{"id":2733,"date":"2024-01-06T21:42:18","date_gmt":"2024-01-06T20:42:18","guid":{"rendered":"https:\/\/pictys.art\/?page_id=2733"},"modified":"2024-03-27T23:21:59","modified_gmt":"2024-03-27T22:21:59","slug":"elementor-2733","status":"publish","type":"page","link":"https:\/\/pictys.art\/index.php\/elementor-2733\/","title":{"rendered":"Balade lichens en Bretagne maritime"},"content":{"rendered":"\t\t<div data-elementor-type=\"wp-page\" data-elementor-id=\"2733\" class=\"elementor elementor-2733\">\n\t\t\t\t<div class=\"elementor-element elementor-element-8b6b8be e-flex e-con-boxed e-con e-parent\" data-id=\"8b6b8be\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-cf07b1f elementor-widget elementor-widget-text-editor\" data-id=\"cf07b1f\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p><strong>Lichens\u00a0: balade naturaliste en Finist\u00e8re<\/strong><strong><br \/>N.B. Pour toutes les descriptions d\u2019esp\u00e8ces \u00e9voqu\u00e9es ci-dessous, se reporter au site <a href=\"https:\/\/www.lichensmaritimes.org\/\" target=\"_blank\" rel=\"noopener\">lichensmaritimes.org<\/a><\/strong><\/p><p>Commen\u00e7ons notre balade \u00e0 Lampaul-Plouarzel, commune littorale du L\u00e9on, ouverte aux vents d\u2019ouest de l\u2019Atlantique mais b\u00e9n\u00e9ficiant d\u2019une relative protection gr\u00e2ce au cordon d\u2019iles de B\u00e9niguet, Mol\u00e8ne et Ouessant. Sur la presqu\u2019ile de Beg ar Vir, qui prot\u00e8ge un petit port des assauts de la mer, se trouve une vieille maison aux murs de pierres et au toit d\u2019ardoises magnifiquement color\u00e9, colonis\u00e9 par <a href=\"http:\/\/www.lichensmaritimes.org\/index.php?task=fiche&amp;lichen=71&amp;lang=fr\" target=\"_blank\" rel=\"noopener\"><em>Xanthoria parietina<\/em><\/a> (photo 1).<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-9a7c95e elementor-widget elementor-widget-image\" data-id=\"9a7c95e\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img fetchpriority=\"high\" decoding=\"async\" width=\"1024\" height=\"628\" src=\"https:\/\/pictys.art\/wp-content\/uploads\/2024\/01\/1-Toit-dardoises-de-maison-cotiere-1024x628.jpg\" class=\"attachment-large size-large wp-image-2743\" alt=\"\" srcset=\"https:\/\/pictys.art\/wp-content\/uploads\/2024\/01\/1-Toit-dardoises-de-maison-cotiere-1024x628.jpg 1024w, https:\/\/pictys.art\/wp-content\/uploads\/2024\/01\/1-Toit-dardoises-de-maison-cotiere-300x184.jpg 300w, https:\/\/pictys.art\/wp-content\/uploads\/2024\/01\/1-Toit-dardoises-de-maison-cotiere-768x471.jpg 768w, https:\/\/pictys.art\/wp-content\/uploads\/2024\/01\/1-Toit-dardoises-de-maison-cotiere.jpg 1400w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-b4b13a7 elementor-widget elementor-widget-text-editor\" data-id=\"b4b13a7\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>Sur le chemin menant \u00e0 cette maison, en bordure du littoral, on remarquera des vieux poteaux de ch\u00eane plant\u00e9s dans la pelouse maritime. Ils prot\u00e8gent d\u2019anciens fours \u00e0 go\u00e9mons. Pour peu que l\u2019on prenne la peine de se coucher dans l\u2019herbe rase et que l\u2019on examine ces supports de bois, on d\u00e9couvrira des paysages de lichens extraordinaires, tapisseries et ornements d\u00e9brid\u00e9s, fantaisies sans limites autre que celles du temps qui passe, du vent et des embruns <strong>(Photo 2),<\/strong> le tout, \u00e0 base de <a href=\"http:\/\/www.lichensmaritimes.org\/index.php?task=fiche&amp;lichen=5&amp;lang=fr\" target=\"_blank\" rel=\"noopener\"><em>Diploicia canescens<\/em><\/a>, <a href=\"http:\/\/www.lichensmaritimes.org\/index.php?task=fiche&amp;lichen=66&amp;lang=fr\" target=\"_blank\" rel=\"noopener\"><em>Ochrolechia parella<\/em><\/a> et <a href=\"http:\/\/www.lichensmaritimes.org\/index.php?task=fiche&amp;lichen=71&amp;lang=fr\" target=\"_blank\" rel=\"noopener\"><em>Xanthoria parietina<\/em><\/a>.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-8210b55 elementor-widget elementor-widget-image\" data-id=\"8210b55\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img decoding=\"async\" src=\"https:\/\/pictys.art\/wp-content\/uploads\/2024\/01\/2-Diploicia-Ochrolechia-.jpg\" title=\"2- Diploicia &#038; Ochrolechia &#038;\" alt=\"2- Diploicia &amp; Ochrolechia &amp;\" loading=\"lazy\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-9d70e6e elementor-widget elementor-widget-text-editor\" data-id=\"9d70e6e\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>En quittant Lampaul-Plouarzel, prendre la route du Conquet et rejoindre la presqu\u2019ile de Kermorvan apr\u00e8s avoir long\u00e9 la plage des Blancs Sablons. Emprunter le sentier c\u00f4tier par le nord jusqu\u2019\u00e0 un ancien fort situ\u00e9 \u00e0 c\u00f4t\u00e9 de Porz Pabu. Sur les rochers d\u00e9couverts \u00e0 mar\u00e9e basse de l\u2019irvi, permettant l\u2019acc\u00e8s au fort, abondent les berniques et les balanes. Sur les coquilles coniques de ces esp\u00e8ces, on peut observer des lichens marins, les <a href=\"http:\/\/www.lichensmaritimes.org\/index.php?task=fiche&amp;lichen=5&amp;lang=fr\" target=\"_blank\" rel=\"noopener\"><em>Collemopsidium<\/em> <\/a>qui pr\u00e9sentent la particularit\u00e9 de vivre dans des cavit\u00e9s creus\u00e9es dans les coquilles <strong>(Photo 3)<\/strong>.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-32fdd30 elementor-widget elementor-widget-image\" data-id=\"32fdd30\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img decoding=\"async\" width=\"1024\" height=\"682\" src=\"https:\/\/pictys.art\/wp-content\/uploads\/2024\/01\/3-Collemopsidium-1024x682.jpg\" class=\"attachment-large size-large wp-image-2745\" alt=\"\" srcset=\"https:\/\/pictys.art\/wp-content\/uploads\/2024\/01\/3-Collemopsidium-1024x682.jpg 1024w, https:\/\/pictys.art\/wp-content\/uploads\/2024\/01\/3-Collemopsidium-300x200.jpg 300w, https:\/\/pictys.art\/wp-content\/uploads\/2024\/01\/3-Collemopsidium-768x512.jpg 768w, https:\/\/pictys.art\/wp-content\/uploads\/2024\/01\/3-Collemopsidium.jpg 1400w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-83c8346 elementor-widget elementor-widget-text-editor\" data-id=\"83c8346\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>Sur la route du Conquet, au lieu-dit l\u2019Aber du Conquet (d\u00e9but de chemin au lieu-dit Le Moulin d\u2019en Bas) se trouvent des pins maritimes. Sur les troncs et sur certaines pommes de pin, il est possible d\u2019apercevoir des taches jaunes-oranges form\u00e9es par <a href=\"http:\/\/www.lichensmaritimes.org\/index.php?task=fiche&amp;lichen=361&amp;lang=fr\" target=\"_blank\" rel=\"noopener\"><em>Chrysothrix\u00a0 candelaris<\/em><\/a> \u00a0(Photo 4).<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-28b3330 elementor-widget elementor-widget-image\" data-id=\"28b3330\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img decoding=\"async\" width=\"1024\" height=\"682\" src=\"https:\/\/pictys.art\/wp-content\/uploads\/2024\/01\/4-Chrysothrix-candelaris-IMG_0122-1024x682.jpg\" class=\"attachment-large size-large wp-image-2746\" alt=\"\" srcset=\"https:\/\/pictys.art\/wp-content\/uploads\/2024\/01\/4-Chrysothrix-candelaris-IMG_0122-1024x682.jpg 1024w, https:\/\/pictys.art\/wp-content\/uploads\/2024\/01\/4-Chrysothrix-candelaris-IMG_0122-300x200.jpg 300w, https:\/\/pictys.art\/wp-content\/uploads\/2024\/01\/4-Chrysothrix-candelaris-IMG_0122-768x512.jpg 768w, https:\/\/pictys.art\/wp-content\/uploads\/2024\/01\/4-Chrysothrix-candelaris-IMG_0122.jpg 1400w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-20e16a6 elementor-widget elementor-widget-text-editor\" data-id=\"20e16a6\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>Notre balade emprunte ensuite la c\u00f4te rocheuse entre le Conquet et Brest. \u00a0Pour les randonneurs, il est tout \u00e0 fait possible d\u2019emprunter le GR 34 (qui rejoint Saint-Jacques de Compostelle). Rejoindre l\u2019anse du Petit Minou. Le phare du Petit Minou, situ\u00e9 \u00e0 c\u00f4t\u00e9, est reli\u00e9 \u00e0 la c\u00f4te par un pont de pierres dont le parapet est r\u00e9alis\u00e9 en ma\u00e7onnerie de blocs massifs taill\u00e9s de granite. Une premi\u00e8re approche rapide donne l\u2019impression que les murs sont l\u00e9preux. Ce n\u2019est qu\u2019une impression. D\u00e8s que l\u2019on examine avec attention \u00e0 la loupe, on d\u00e9couvre un monde fascinant et graphique dont on ne pr\u00e9sentera ici que deux esp\u00e8ces caract\u00e9ristiques\u00a0: <a href=\"http:\/\/www.lichensmaritimes.org\/index.php?task=fiche&amp;lichen=61&amp;lang=fr\" target=\"_blank\" rel=\"noopener\"><em>Xanthoparmelia pulla<\/em><\/a>, dont les apoth\u00e9cies dessinent un somptueux motif de tapisserie <strong>(Photo 5)<\/strong>.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-4599782 elementor-widget elementor-widget-image\" data-id=\"4599782\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"682\" src=\"https:\/\/pictys.art\/wp-content\/uploads\/2024\/01\/5-Xanthoparmelia-pulla-1024x682.jpg\" class=\"attachment-large size-large wp-image-2747\" alt=\"\" srcset=\"https:\/\/pictys.art\/wp-content\/uploads\/2024\/01\/5-Xanthoparmelia-pulla-1024x682.jpg 1024w, https:\/\/pictys.art\/wp-content\/uploads\/2024\/01\/5-Xanthoparmelia-pulla-300x200.jpg 300w, https:\/\/pictys.art\/wp-content\/uploads\/2024\/01\/5-Xanthoparmelia-pulla-768x512.jpg 768w, https:\/\/pictys.art\/wp-content\/uploads\/2024\/01\/5-Xanthoparmelia-pulla.jpg 1400w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-0135818 elementor-widget elementor-widget-text-editor\" data-id=\"0135818\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>Avec pour voisine imm\u00e9diate une esp\u00e8ce \u00e0 l\u2019aspect banal \u00e0 faible grossissement\u00a0: <a href=\"http:\/\/www.lichensmaritimes.org\/index.php?task=fiche&amp;lichen=59&amp;lang=fr\" target=\"_blank\" rel=\"noopener\"><em>Pertusaria pseudocoralina<\/em><\/a> <strong>(Photo 6)<\/strong>. Pourtant, d\u00e8s que l\u2019on passe \u00e0 un grandissement sup\u00e9rieur, les organes de reproduction asexu\u00e9e que sont les isidies apparaissent comme autant de petites excroissances en forme de massue, formant ainsi une esp\u00e8ce de tapis. (Les concepteurs de matelas seraient bien inspir\u00e9s de se rappeler que le bio mim\u00e9tisme a permis de r\u00e9aliser des merveilles \u00e0 commencer par les \u00ab\u00a0scratchs\u00a0\u00bb des chaussures pour enfants).<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-3a6f600 elementor-widget elementor-widget-image\" data-id=\"3a6f600\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"1024\" src=\"https:\/\/pictys.art\/wp-content\/uploads\/2024\/01\/6-Pertusaria-pseudororallina-1024x1024.jpg\" class=\"attachment-large size-large wp-image-2748\" alt=\"\" srcset=\"https:\/\/pictys.art\/wp-content\/uploads\/2024\/01\/6-Pertusaria-pseudororallina-1024x1024.jpg 1024w, https:\/\/pictys.art\/wp-content\/uploads\/2024\/01\/6-Pertusaria-pseudororallina-300x300.jpg 300w, https:\/\/pictys.art\/wp-content\/uploads\/2024\/01\/6-Pertusaria-pseudororallina-150x150.jpg 150w, https:\/\/pictys.art\/wp-content\/uploads\/2024\/01\/6-Pertusaria-pseudororallina-768x768.jpg 768w, https:\/\/pictys.art\/wp-content\/uploads\/2024\/01\/6-Pertusaria-pseudororallina-650x650.jpg 650w, https:\/\/pictys.art\/wp-content\/uploads\/2024\/01\/6-Pertusaria-pseudororallina-1300x1300.jpg 1300w, https:\/\/pictys.art\/wp-content\/uploads\/2024\/01\/6-Pertusaria-pseudororallina.jpg 1400w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-234b072 elementor-widget elementor-widget-text-editor\" data-id=\"234b072\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>A Brest, \u00e0 proximit\u00e9 du fort Montbarey, jusqu\u2019\u00e0 une p\u00e9riode r\u00e9cente il \u00e9tait possible d\u2019observer sur une terrasse ouverte, expos\u00e9e \u00e0 la pluie, au soleil et au vent un plot de bois dur, ins\u00e9r\u00e9 dans le b\u00e9ton. Au fil des ann\u00e9es, les chiens des promeneurs ont arros\u00e9 presque quotidiennement ce bout de bois mort qui, touch\u00e9 par tant de constance, a d\u00e9velopp\u00e9 \u00e0 sa surface sup\u00e9rieure une couverture continue de lichens du genre <a href=\"http:\/\/www.lichensmaritimes.org\/index.php?task=fiche&amp;lichen=493&amp;lang=fr\" target=\"_blank\" rel=\"noopener\"><em>Lecanora<\/em><\/a>. Observ\u00e9 d\u2019un peu plus pr\u00e8s, on y d\u00e9couvrait un v\u00e9ritable HLM \u00e0 lichens, sans la moindre surface libre <strong>(photo 7).<\/strong> A noter que pour obtenir une couverture totale de la surface du bois, il a fallu attendre pas moins de quinze ann\u00e9es. Les lichens ne bougent pas, certes, mais leur croissance extr\u00eamement lente peut mettre \u00e0 rude \u00e9preuve la patience des observateurs. Inutile d\u2019\u00eatre press\u00e9 ! Si le mod\u00e8le ne fuit pas, il faut parfois l\u2019attendre tr\u00e8s longtemps !<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-306948b elementor-widget elementor-widget-image\" data-id=\"306948b\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"682\" src=\"https:\/\/pictys.art\/wp-content\/uploads\/2024\/01\/7-HLM-a-Lecanora-1024x682.jpg\" class=\"attachment-large size-large wp-image-2749\" alt=\"\" srcset=\"https:\/\/pictys.art\/wp-content\/uploads\/2024\/01\/7-HLM-a-Lecanora-1024x682.jpg 1024w, https:\/\/pictys.art\/wp-content\/uploads\/2024\/01\/7-HLM-a-Lecanora-300x200.jpg 300w, https:\/\/pictys.art\/wp-content\/uploads\/2024\/01\/7-HLM-a-Lecanora-768x512.jpg 768w, https:\/\/pictys.art\/wp-content\/uploads\/2024\/01\/7-HLM-a-Lecanora.jpg 1400w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-17691a9 elementor-widget elementor-widget-text-editor\" data-id=\"17691a9\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>A proximit\u00e9, \u00e0 c\u00f4t\u00e9 du parc de l\u2019Arc\u2019Hantel, \u00a0de jeunes arbres d\u2019une quinzaine d\u2019ann\u00e9es poussent en bordure d\u2019une rocade situ\u00e9e \u00e0 \u00a0l\u2019ouest de l\u2019agglom\u00e9ration brestoise. Les rameaux de certains arbres, et notamment les tro\u00e8nes, les h\u00eatres, les noisetiers, les pruneliers sont largement colonis\u00e9s par des esp\u00e8ces de lichens classiques des arbres. Sous le climat oc\u00e9anique breton, et \u00e0 quelques encablures de la mer, une esp\u00e8ce embl\u00e9matique s\u2019\u00e9panouit et prend, observ\u00e9e en macrophoto, des airs de r\u00e9cifs coralliens\u00a0<strong>(photo 8). I<\/strong>l s\u2019agit de <a href=\"http:\/\/www.lichensmaritimes.org\/index.php?task=fiche&amp;lichen=274&amp;lang=fr\" target=\"_blank\" rel=\"noopener\"><em>Teloschistes chrysophtalmus<\/em><\/a>. A noter que cette photo a \u00e9t\u00e9 r\u00e9alis\u00e9e au moyen de la technique du \u00ab\u00a0bracketting\u00a0\u00bb de mise au point (focus stacking) avec 16 prises de vue successives.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-32a5768 elementor-widget elementor-widget-image\" data-id=\"32a5768\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"682\" height=\"1024\" src=\"https:\/\/pictys.art\/wp-content\/uploads\/2024\/01\/8.-T.-chrysophthalmus-682x1024.jpg\" class=\"attachment-large size-large wp-image-2750\" alt=\"\" srcset=\"https:\/\/pictys.art\/wp-content\/uploads\/2024\/01\/8.-T.-chrysophthalmus-682x1024.jpg 682w, https:\/\/pictys.art\/wp-content\/uploads\/2024\/01\/8.-T.-chrysophthalmus-200x300.jpg 200w, https:\/\/pictys.art\/wp-content\/uploads\/2024\/01\/8.-T.-chrysophthalmus-768x1152.jpg 768w, https:\/\/pictys.art\/wp-content\/uploads\/2024\/01\/8.-T.-chrysophthalmus.jpg 933w\" sizes=\"(max-width: 682px) 100vw, 682px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-dbf77fd elementor-widget elementor-widget-text-editor\" data-id=\"dbf77fd\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>Prendre ensuite \u00a0la direction de Quimper et rejoindre une vieille for\u00eat sous influence du climat oc\u00e9anique, la for\u00eat du Cranou situ\u00e9e \u00e0 c\u00f4t\u00e9 du Faou. Caract\u00e9ris\u00e9e par un niveau moyen \u00e9lev\u00e9 d\u2019humidit\u00e9, les troncs des vieux ch\u00eanes et des vieux h\u00eatres sont colonis\u00e9s par des esp\u00e8ces embl\u00e9matiques de ce type de milieux, dont <em>Lobaria virens<\/em> \u00a0<strong>(photo 9)<\/strong> et <a href=\"http:\/\/www.lichensmaritimes.org\/index.php?task=fiche&amp;lichen=273&amp;lang=fr\" target=\"_blank\" rel=\"noopener\"><em>Lobaria pulmonaria<\/em><\/a>.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-a407fbd elementor-widget elementor-widget-image\" data-id=\"a407fbd\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"682\" height=\"1024\" src=\"https:\/\/pictys.art\/wp-content\/uploads\/2024\/01\/10-Lobaria-virens-682x1024.jpg\" class=\"attachment-large size-large wp-image-2752\" alt=\"\" srcset=\"https:\/\/pictys.art\/wp-content\/uploads\/2024\/01\/10-Lobaria-virens-682x1024.jpg 682w, https:\/\/pictys.art\/wp-content\/uploads\/2024\/01\/10-Lobaria-virens-200x300.jpg 200w, https:\/\/pictys.art\/wp-content\/uploads\/2024\/01\/10-Lobaria-virens-768x1152.jpg 768w, https:\/\/pictys.art\/wp-content\/uploads\/2024\/01\/10-Lobaria-virens.jpg 933w\" sizes=\"(max-width: 682px) 100vw, 682px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-372577d e-flex e-con-boxed e-con e-parent\" data-id=\"372577d\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-c2189f0 elementor-widget elementor-widget-text-editor\" data-id=\"c2189f0\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>Poursuivre en direction de la Presqu\u2019Ile de Crozon. Rejoindre le bois de Lesteven \u00e0 proximit\u00e9 de la plage de la Palue, r\u00e9put\u00e9e pour ses vagues et ses surfeurs. Dans ce bois \u00e9trange de faible hauteur soumis aux vents d\u2019ouest dominants, certaines zones sont peupl\u00e9es presque exclusivement de fr\u00eanes. En y regardant de plus pr\u00e8s, leurs \u00e9corces apparaissent comme autant de mosa\u00efques piquet\u00e9es de petits points sombres. Il s\u2019agit en fait de mosa\u00efques assez extraordinaires cr\u00e9\u00e9es par deux esp\u00e8ces proches de lichens\u00a0: <a href=\"http:\/\/www.lichensmaritimes.org\/index.php?task=fiche&amp;lichen=422&amp;lang=fr\" target=\"_blank\" rel=\"noopener\"><em>Pyrenula macrospora<\/em><\/a> et <em>Pyrenula chlorospila<\/em> <strong>(Photo 10)<\/strong>.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-7bfef9d e-flex e-con-boxed e-con e-parent\" data-id=\"7bfef9d\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-d115cb3 elementor-widget elementor-widget-image\" data-id=\"d115cb3\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"682\" height=\"1024\" src=\"https:\/\/pictys.art\/wp-content\/uploads\/2024\/01\/11-Pyrenula-macrospora-682x1024.jpg\" class=\"attachment-large size-large wp-image-2753\" alt=\"\" srcset=\"https:\/\/pictys.art\/wp-content\/uploads\/2024\/01\/11-Pyrenula-macrospora-682x1024.jpg 682w, https:\/\/pictys.art\/wp-content\/uploads\/2024\/01\/11-Pyrenula-macrospora-200x300.jpg 200w, https:\/\/pictys.art\/wp-content\/uploads\/2024\/01\/11-Pyrenula-macrospora-768x1152.jpg 768w, https:\/\/pictys.art\/wp-content\/uploads\/2024\/01\/11-Pyrenula-macrospora.jpg 933w\" sizes=\"(max-width: 682px) 100vw, 682px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-1fcf844 e-flex e-con-boxed e-con e-parent\" data-id=\"1fcf844\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-76c4a5b elementor-widget elementor-widget-text-editor\" data-id=\"76c4a5b\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>Un peu plus \u00e0 l\u2019ouest, toujours en Presqu\u2019Ile de Crozon, sur les pelouses maritimes qui surplombent la mer, des poteaux de bois enfonc\u00e9s dans le sol en bordure de parking emp\u00eachent les voitures de touristes de s\u2019aventurer sur les espaces prot\u00e9g\u00e9s. Le sommet de certains de ces vieux poteaux, partiellement prot\u00e9g\u00e9s par des herbes hautes, sert de perchoirs aux oiseaux marins et aussi de milieu de pr\u00e9dilection au d\u00e9veloppement d\u2019une esp\u00e8ce de lichens (<a href=\"http:\/\/www.lichensmaritimes.org\/index.php?task=fiche&amp;lichen=888&amp;lang=fr\" target=\"_blank\" rel=\"noopener\"><em>Candelariella\u00a0 coralliza<\/em><\/a>) qui, en ces lieux, compose de v\u00e9ritables tableaux tr\u00e8s graphiques et tr\u00e8s color\u00e9s <strong>(Photo 11)<\/strong>.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-b872e6f e-flex e-con-boxed e-con e-parent\" data-id=\"b872e6f\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-62fd072 elementor-widget elementor-widget-image\" data-id=\"62fd072\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"768\" src=\"https:\/\/pictys.art\/wp-content\/uploads\/2024\/01\/12-Candelariella-vitellina-1024x768.jpg\" class=\"attachment-large size-large wp-image-2754\" alt=\"\" srcset=\"https:\/\/pictys.art\/wp-content\/uploads\/2024\/01\/12-Candelariella-vitellina-1024x768.jpg 1024w, https:\/\/pictys.art\/wp-content\/uploads\/2024\/01\/12-Candelariella-vitellina-300x225.jpg 300w, https:\/\/pictys.art\/wp-content\/uploads\/2024\/01\/12-Candelariella-vitellina-768x576.jpg 768w, https:\/\/pictys.art\/wp-content\/uploads\/2024\/01\/12-Candelariella-vitellina.jpg 1400w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-e62108e e-flex e-con-boxed e-con e-parent\" data-id=\"e62108e\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-44f3990 elementor-widget elementor-widget-text-editor\" data-id=\"44f3990\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>Sur le chemin du retour, arr\u00eat obligatoire \u00e0 quelques kilom\u00e8tres de l\u00e0, chapelle St. Julien. D\u2019une mani\u00e8re g\u00e9n\u00e9rale les vieux murs des chapelles, ainsi que les \u00e9corces des vieux h\u00eatres et ch\u00eanes des\u00a0 enclos paroissiaux sont des supports propices \u00e0 la colonisation par une tr\u00e8s grande vari\u00e9t\u00e9 de lichens.<br \/>Sur le mur nord en pierres siliceuses de St. Julien une esp\u00e8ce non formellement identifi\u00e9e (<em><a href=\"http:\/\/www.lichensmaritimes.org\/index.php?task=fiche&amp;lichen=113&amp;lang=fr\" target=\"_blank\" rel=\"noopener\">Buellia subdisciformis<\/a>\u00a0?<\/em>), r\u00e9alise de magnifiques mosa\u00efques agr\u00e9ment\u00e9es de dentelles <strong>(Photo 12)<\/strong>.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-d7b0a4f e-flex e-con-boxed e-con e-parent\" data-id=\"d7b0a4f\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-5a43229 elementor-widget elementor-widget-image\" data-id=\"5a43229\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"682\" src=\"https:\/\/pictys.art\/wp-content\/uploads\/2024\/01\/13-Mosaique-Buellia-subdisciformis-1024x682.jpg\" class=\"attachment-large size-large wp-image-2755\" alt=\"\" srcset=\"https:\/\/pictys.art\/wp-content\/uploads\/2024\/01\/13-Mosaique-Buellia-subdisciformis-1024x682.jpg 1024w, https:\/\/pictys.art\/wp-content\/uploads\/2024\/01\/13-Mosaique-Buellia-subdisciformis-300x200.jpg 300w, https:\/\/pictys.art\/wp-content\/uploads\/2024\/01\/13-Mosaique-Buellia-subdisciformis-768x512.jpg 768w, https:\/\/pictys.art\/wp-content\/uploads\/2024\/01\/13-Mosaique-Buellia-subdisciformis.jpg 1400w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-24f2f49 e-flex e-con-boxed e-con e-parent\" data-id=\"24f2f49\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-b748253 elementor-widget elementor-widget-text-editor\" data-id=\"b748253\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>Toujours sur le chemin du retour vers Brest, nouvel arr\u00eat en Presqu\u2019\u00cele de Plougastel, non pour une d\u00e9gustation de fraises, mais pour la visite de l\u2019enclos paroissial de la chapelle Ste Tr\u00e9meur. Un examen des \u00e9corces des vieux h\u00eatres et vieux ch\u00eanes permet de comprendre assez vite que certains peuples observateurs de l\u2019antiquit\u00e9 ont pu inventer l\u2019\u00e9criture id\u00e9ographique en s\u2019inspirant simplement des sc\u00e8nes graphiques pr\u00e9sentes sur les \u00e9corces.<br \/>Sur h\u00eatre, on note la pr\u00e9sence de colonies de <a href=\"http:\/\/www.lichensmaritimes.org\/index.php?task=fiche&amp;lichen=574&amp;lang=fr\" target=\"_blank\" rel=\"noopener\"><em>Phaeographis dendritica<\/em><\/a>, dont les lirelles (apoth\u00e9cies allong\u00e9es plus ou moins immerg\u00e9es dans le thalle) composent des motifs rappelant certains caract\u00e8res chinois ou certains kanas des syllabaires japonais <strong>(Photo 13)<\/strong>. Nul n\u2019a pu jusqu\u2019\u00e0 pr\u00e9sent d\u00e9chiffrer les messages inscrits dans l\u2019\u00e9corce, pourtant inlassablement r\u00e9p\u00e9t\u00e9s depuis des mill\u00e9naires.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-c6b3897 e-flex e-con-boxed e-con e-parent\" data-id=\"c6b3897\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-895bf7b elementor-widget elementor-widget-image\" data-id=\"895bf7b\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"682\" src=\"https:\/\/pictys.art\/wp-content\/uploads\/2024\/01\/14-Phaeographis-dendritica-1024x682.jpg\" class=\"attachment-large size-large wp-image-2756\" alt=\"\" srcset=\"https:\/\/pictys.art\/wp-content\/uploads\/2024\/01\/14-Phaeographis-dendritica-1024x682.jpg 1024w, https:\/\/pictys.art\/wp-content\/uploads\/2024\/01\/14-Phaeographis-dendritica-300x200.jpg 300w, https:\/\/pictys.art\/wp-content\/uploads\/2024\/01\/14-Phaeographis-dendritica-768x512.jpg 768w, https:\/\/pictys.art\/wp-content\/uploads\/2024\/01\/14-Phaeographis-dendritica.jpg 1400w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-3ec4942 e-flex e-con-boxed e-con e-parent\" data-id=\"3ec4942\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-bd49b83 elementor-widget elementor-widget-text-editor\" data-id=\"bd49b83\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>A quelques m\u00e8tres de l\u00e0, un vieux ch\u00eane \u00e0 l\u2019\u00e9corce tortur\u00e9e. Dans un repli d\u2019\u00e9corce, un message cach\u00e9 nous attend, tout aussi myst\u00e9rieux que le pr\u00e9c\u00e9dent <strong>(Photo 14).<br \/><\/strong><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-0412634 e-flex e-con-boxed e-con e-parent\" data-id=\"0412634\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-36f0a23 elementor-widget elementor-widget-image\" data-id=\"36f0a23\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"682\" height=\"1024\" src=\"https:\/\/pictys.art\/wp-content\/uploads\/2024\/01\/15-Graphies-indeterminees-682x1024.jpg\" class=\"attachment-large size-large wp-image-2757\" alt=\"\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-b42e7d6 e-flex e-con-boxed e-con e-parent\" data-id=\"b42e7d6\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-8f3965d elementor-widget elementor-widget-text-editor\" data-id=\"8f3965d\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p><strong>Quand la nature reprend ses droits.<\/strong><\/p><p>\u00a0Cette balade pourrait aussi bien s\u2019achever au Diben, \u00e0 c\u00f4t\u00e9 de Morlaix, o\u00f9 des \u00e9paves de vieux bateaux de p\u00eache en bois se d\u00e9composent lentement sur les pr\u00e9s sal\u00e9s du haut de l\u2019estran. Et au milieu d\u2019\u00e9cailles de peinture dont les multiples couches successives p\u00e8lent comme un oignon en un kal\u00e9idoscope de couleurs, quelques esp\u00e8ces de lichens s\u2019aventurent sur ces substrats hautement toxiques du fait de leurs concentrations \u00e9lev\u00e9es en m\u00e9taux. Avec quelquefois des couleurs pas tout \u00e0 fait naturelles, comme celles de la colonie de <a href=\"http:\/\/www.lichensmaritimes.org\/index.php?task=fiche&amp;lichen=995&amp;lang=fr\" target=\"_blank\" rel=\"noopener\"><em>Xanthoria parietina<\/em><\/a> pr\u00e9sent\u00e9e ici <strong>(Photo 15)<\/strong>.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-07d8743 e-flex e-con-boxed e-con e-parent\" data-id=\"07d8743\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-fde765b elementor-widget elementor-widget-image\" data-id=\"fde765b\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"682\" src=\"https:\/\/pictys.art\/wp-content\/uploads\/2024\/01\/16-Xanthoria-parietina-1024x682.jpg\" class=\"attachment-large size-large wp-image-2758\" alt=\"\" srcset=\"https:\/\/pictys.art\/wp-content\/uploads\/2024\/01\/16-Xanthoria-parietina-1024x682.jpg 1024w, https:\/\/pictys.art\/wp-content\/uploads\/2024\/01\/16-Xanthoria-parietina-300x200.jpg 300w, https:\/\/pictys.art\/wp-content\/uploads\/2024\/01\/16-Xanthoria-parietina-768x512.jpg 768w, https:\/\/pictys.art\/wp-content\/uploads\/2024\/01\/16-Xanthoria-parietina.jpg 1400w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-9b43b93 e-flex e-con-boxed e-con e-parent\" data-id=\"9b43b93\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-efce88c elementor-widget elementor-widget-text-editor\" data-id=\"efce88c\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>On pourrait aussi la poursuivre sur d\u2019autres lieux o\u00f9 des \u00e9paves abandonn\u00e9es depuis plusieurs ann\u00e9es offrent des surfaces de bois peintes ou des surfaces synth\u00e9tiques, m\u00e9tal ou composite en g\u00e9n\u00e9ral peints. Dans certains cas, comme sur le site de Quelmer dans l\u2019estuaire de la Rance<strong> (Photo 16)<\/strong>, de vieilles coques sont colonis\u00e9es par des dr\u00f4les d\u2019organismes non identifi\u00e9s, dont on suppose qu\u2019il s\u2019agit de lichens, qui composent un paysage \u00e9tonnant digne d\u2019une autre plan\u00e8te.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-402dba0 e-flex e-con-boxed e-con e-parent\" data-id=\"402dba0\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-bb05dd1 elementor-widget elementor-widget-image\" data-id=\"bb05dd1\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"682\" src=\"https:\/\/pictys.art\/wp-content\/uploads\/2024\/01\/17-Indetermine-1024x682.jpg\" class=\"attachment-large size-large wp-image-2759\" alt=\"\" srcset=\"https:\/\/pictys.art\/wp-content\/uploads\/2024\/01\/17-Indetermine-1024x682.jpg 1024w, https:\/\/pictys.art\/wp-content\/uploads\/2024\/01\/17-Indetermine-300x200.jpg 300w, https:\/\/pictys.art\/wp-content\/uploads\/2024\/01\/17-Indetermine-768x512.jpg 768w, https:\/\/pictys.art\/wp-content\/uploads\/2024\/01\/17-Indetermine.jpg 1400w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-cc7a702 e-flex e-con-boxed e-con e-parent\" data-id=\"cc7a702\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-9d850e3 elementor-widget elementor-widget-text-editor\" data-id=\"9d850e3\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>On ira de surprise en surprise en examinant d\u2019autres \u00e9paves, dont celles cach\u00e9es dans des anses secr\u00e8tes de la rivi\u00e8re du Bono dans le Morbihan. Sur une coque en aluminium peinte particuli\u00e8rement laide qui fait hurler les amoureux du littoral, fleurit une esp\u00e8ce non identifi\u00e9e de lichen dont la croissance rayonnante compose un paysage singulier. Observ\u00e9 \u00e0 la loupe, il ne faut pas beaucoup d\u2019imagination pour se surprendre \u00e0 survoler des iles et des atolls inconnus <strong>(Photo 17)<\/strong>.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-7db3709 e-flex e-con-boxed e-con e-parent\" data-id=\"7db3709\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-3481f2a elementor-widget elementor-widget-image\" data-id=\"3481f2a\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"682\" height=\"1024\" src=\"https:\/\/pictys.art\/wp-content\/uploads\/2024\/01\/18-Indetermine-w-682x1024.jpg\" class=\"attachment-large size-large wp-image-2760\" alt=\"\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-5b80544 e-flex e-con-boxed e-con e-parent\" data-id=\"5b80544\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-f63f099 elementor-widget elementor-widget-text-editor\" data-id=\"f63f099\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>On pourra achever cette promenade littorale par l\u2019arri\u00e8re port du Guilvinec o\u00f9 reposent p\u00eale-m\u00eale quelques \u00e9paves de vieux bateaux de p\u00eache en bois et de multiples coques en plastique disgracieuses. Comme tr\u00e8s souvent, la gr\u00e2ce n\u2019est qu\u2019une affaire de point de vue et au fur et \u00e0 mesure que l\u2019on se rapproche des bord\u00e9s de bois abandonn\u00e9s, les perspectives changent et l\u2019attention se porte naturellement sur une t\u00e2che blanche contrastant avec le brun us\u00e9 et sale laiss\u00e9 par la vase s\u00e9ch\u00e9e. Alors l\u2019observateur aura le plaisir de\u00a0 d\u00e9couvrir une broderie vivante d\u2019un blanc immacul\u00e9\u00a0: une colonie de lichen au nom inappropri\u00e9 de <a href=\"http:\/\/www.lichensmaritimes.org\/index.php?task=fiche&amp;lichen=712&amp;lang=fr\" target=\"_blank\" rel=\"noopener\"><em>Ochrolechia palescens<\/em><\/a> ( de \u00ab\u00a0\u00f4kros\u00a0\u00bb, jaune p\u00e2le\u00a0 et \u00ab\u00a0lechia\u00a0\u00bb, lichen en grec) <strong>(Photo 18).<\/strong><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-3cb5ace e-flex e-con-boxed e-con e-parent\" data-id=\"3cb5ace\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-0d2ca9d elementor-widget elementor-widget-image\" data-id=\"0d2ca9d\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"682\" src=\"https:\/\/pictys.art\/wp-content\/uploads\/2024\/01\/19-Ochrolechia-palescens-1024x682.jpg\" class=\"attachment-large size-large wp-image-2761\" alt=\"\" srcset=\"https:\/\/pictys.art\/wp-content\/uploads\/2024\/01\/19-Ochrolechia-palescens-1024x682.jpg 1024w, https:\/\/pictys.art\/wp-content\/uploads\/2024\/01\/19-Ochrolechia-palescens-300x200.jpg 300w, https:\/\/pictys.art\/wp-content\/uploads\/2024\/01\/19-Ochrolechia-palescens-768x512.jpg 768w, https:\/\/pictys.art\/wp-content\/uploads\/2024\/01\/19-Ochrolechia-palescens.jpg 1400w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-a801057 e-flex e-con-boxed e-con e-parent\" data-id=\"a801057\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-341acdc elementor-widget elementor-widget-text-editor\" data-id=\"341acdc\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>On souhaitera au lecteur la curiosit\u00e9 d\u2019approcher son nez des rochers et de tous types de substrats lors des prochaines balades en montagne ou sur le littoral, quels que soient le pays et la latitude, et \u2026 d\u2019ouvrir les yeux comme s\u2019il d\u00e9couvrait le monde pour la premi\u00e8re fois. Il y d\u00e9couvrira un univers trop souvent ignor\u00e9, et quelques v\u00e9ritables tableaux de ma\u00eetres, abandonn\u00e9s \u00e0 la pluie, \u00e0 la neige, aux embruns, au vent et m\u00eame, si l\u2019on \u00e9coute bien, aux orages et aux r\u00eaves des nuages. Et, quand accroch\u00e9 par ces minuscules paysages singuliers il sera tent\u00e9 d\u2019y retourner, il d\u00e9couvrira \u00e0 nouveau un monde apr\u00e8s le monde, qui lui avait \u00e9chapp\u00e9 lors de la premi\u00e8re visite. C\u2019est ainsi que retournant dans la for\u00eat du Cranou, il pourra admirer que certaines algues, qui composent avec des champignons d\u2019extraordinaires assemblages. Ces algues sont capables de fausser compagnie \u00e0 leurs champignons favoris et de vivre et prosp\u00e9rer seules, \u00e0 l\u2019image de <a href=\"http:\/\/www.lichensmaritimes.org\/index.php?task=fiche&amp;lichen=402&amp;lang=fr\" target=\"_blank\" rel=\"noopener\"><em>Trentepohlia aurea<\/em><\/a> sur les murs d\u2019un ouvrage d\u2019art de la ligne SNCF Quimper-Brest <strong>(photo 19).<\/strong><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-2174da6 e-flex e-con-boxed e-con e-parent\" data-id=\"2174da6\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-b0be4f2 elementor-widget elementor-widget-image\" data-id=\"b0be4f2\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"682\" src=\"https:\/\/pictys.art\/wp-content\/uploads\/2024\/01\/20-Trentepohlia-aurata-Cranou-IMG_1352-b-1024x682.jpg\" class=\"attachment-large size-large wp-image-2762\" alt=\"\" srcset=\"https:\/\/pictys.art\/wp-content\/uploads\/2024\/01\/20-Trentepohlia-aurata-Cranou-IMG_1352-b-1024x682.jpg 1024w, https:\/\/pictys.art\/wp-content\/uploads\/2024\/01\/20-Trentepohlia-aurata-Cranou-IMG_1352-b-300x200.jpg 300w, https:\/\/pictys.art\/wp-content\/uploads\/2024\/01\/20-Trentepohlia-aurata-Cranou-IMG_1352-b-768x512.jpg 768w, https:\/\/pictys.art\/wp-content\/uploads\/2024\/01\/20-Trentepohlia-aurata-Cranou-IMG_1352-b.jpg 1400w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t","protected":false},"excerpt":{"rendered":"<p>Lichens\u00a0: balade naturaliste en Finist\u00e8reN.B. Pour toutes les descriptions d\u2019esp\u00e8ces \u00e9voqu\u00e9es ci-dessous, se reporter au site lichensmaritimes.org Commen\u00e7ons notre balade \u00e0 Lampaul-Plouarzel, commune littorale du L\u00e9on, ouverte aux vents d\u2019ouest [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":0,"menu_order":22,"comment_status":"closed","ping_status":"closed","template":"","meta":{"site-sidebar-layout":"no-sidebar","site-content-layout":"page-builder","ast-site-content-layout":"full-width-container","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"disabled","ast-breadcrumbs-content":"","ast-featured-img":"disabled","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"set","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"folder":[],"class_list":["post-2733","page","type-page","status-publish","hentry"],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/pictys.art\/index.php\/wp-json\/wp\/v2\/pages\/2733","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/pictys.art\/index.php\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/pictys.art\/index.php\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/pictys.art\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/pictys.art\/index.php\/wp-json\/wp\/v2\/comments?post=2733"}],"version-history":[{"count":29,"href":"https:\/\/pictys.art\/index.php\/wp-json\/wp\/v2\/pages\/2733\/revisions"}],"predecessor-version":[{"id":3469,"href":"https:\/\/pictys.art\/index.php\/wp-json\/wp\/v2\/pages\/2733\/revisions\/3469"}],"wp:attachment":[{"href":"https:\/\/pictys.art\/index.php\/wp-json\/wp\/v2\/media?parent=2733"}],"wp:term":[{"taxonomy":"folder","embeddable":true,"href":"https:\/\/pictys.art\/index.php\/wp-json\/wp\/v2\/folder?post=2733"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}