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		<title>Les Pics du camp militaire de Chambaran</title>
		<link>https://www.cen-isere.org/2024/02/les-pics-du-camp-militaire-de-chambaran/</link>
		
		<dc:creator><![CDATA[CEN Isère]]></dc:creator>
		<pubDate>Wed, 07 Feb 2024 09:08:14 +0000</pubDate>
				<category><![CDATA[Articles]]></category>
		<category><![CDATA[Newsletter]]></category>
		<category><![CDATA[Suivis scientifiques]]></category>
		<guid isPermaLink="false">https://www.cen-isere.org/?p=16701</guid>

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<section  class='av_textblock_section av-lsbifw7q-48625b90827b8cc37d312a7bc710aa37 '   itemscope="itemscope" itemtype="https://schema.org/BlogPosting" itemprop="blogPost" ><div class='avia_textblock'  itemprop="text" ><h4>Camp militaire de Chambaran</h4>
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<div  class='hr av-17bj6v1-8a7d3ffee9f9bc9ec07e80e2dd7224f5 hr-invisible  avia-builder-el-5  el_after_av_textblock  el_before_av_textblock '><span class='hr-inner '><span class="hr-inner-style"></span></span></div><br />
<section  class='av_textblock_section av-lsbigxod-e54589e7a5cce9fdee79ee02aa8923fe '   itemscope="itemscope" itemtype="https://schema.org/BlogPosting" itemprop="blogPost" ><div class='avia_textblock'  itemprop="text" ><p><strong>En février commence l&rsquo;inventaire des oiseaux du camp militaire de Chambaran avec un passage axé sur la recherche des pics qui sont à cette période en plein dans la constitution des couples. Certains tambourinent, d&rsquo;autres font des cris de râle ou de goret, comme on le dit, tous sont actifs. C&rsquo;est le bon moment pour déceler leur présence. La gestion relativement durable des boisements du camp militaire permet l&rsquo;accueil de 6 espèces de picidés !</strong></p>
<p>Connus depuis plusieurs années, les pics noir, épeiche, vert et épeichette s&rsquo;y reproduisent annuellement. Le Torcol, un picidé migrateur, apprécie la partie centrale du camp. Arrivé sur le camp en 2023, le Pic mar repousse chaque année la limite méridionale de son aire de répartition. Découvert en 2012 en Isère, il gagne toujours un peu plus de terrain. En 2023, des prospections effectuées en bordure du camp militaire ont permis de noter sa présence. Plusieurs individus territoriaux contactés en Isère et sur le département de la Drôme, représentant alors le premier cas de nidification probable de l&rsquo;espèce dans ce département. Cet inventaire 2024 et ce passage au mois de février va donc permettre, si la météo et l&rsquo;activité des pics sont au rendez-vous, de préciser la répartition du Pic mar sur le camp militaire et de recueillir des informations sur les autres pics. Quant au Torcol fourmilier, il attendra les passages d&rsquo;avril et de mai pour se faire remarquer.</p>
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		<title>Sur les traces de l&#8217;Écrevisse à pattes blanches</title>
		<link>https://www.cen-isere.org/2017/11/traces-de-lecrevisse-a-pattes-blanches/</link>
		
		<dc:creator><![CDATA[CEN Isère]]></dc:creator>
		<pubDate>Mon, 20 Nov 2017 16:39:05 +0000</pubDate>
				<category><![CDATA[Articles]]></category>
		<category><![CDATA[Gestion conservatoire]]></category>
		<category><![CDATA[Suivis scientifiques]]></category>
		<guid isPermaLink="false">http://www.cen-isere.org/?p=11581</guid>

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<div  class='avia-image-container av-av_image-624c607c5bb6bd9f3238b2e75b42db69 av-styling- avia-align-center  avia-builder-el-4  el_after_av_hr  el_before_av_hr '   itemprop="image" itemscope="itemscope" itemtype="https://schema.org/ImageObject" ><div class="avia-image-container-inner"><div class="avia-image-overlay-wrap"><img decoding="async" fetchpriority="high" class='wp-image-11584 avia-img-lazy-loading-not-11584 avia_image ' src="https://www.cen-isere.org/wp-content/uploads/2017/11/Ecrevisse-pattes-blanches_MJ-CEN-Isere-300x200.jpg" alt='' title='Écrevisse à pattes blanches © CEN Isère - M. Juton'  height="200" width="300"  itemprop="thumbnailUrl" srcset="https://www.cen-isere.org/wp-content/uploads/2017/11/Ecrevisse-pattes-blanches_MJ-CEN-Isere-300x200.jpg 300w, https://www.cen-isere.org/wp-content/uploads/2017/11/Ecrevisse-pattes-blanches_MJ-CEN-Isere-768x512.jpg 768w, https://www.cen-isere.org/wp-content/uploads/2017/11/Ecrevisse-pattes-blanches_MJ-CEN-Isere.jpg 1030w, https://www.cen-isere.org/wp-content/uploads/2017/11/Ecrevisse-pattes-blanches_MJ-CEN-Isere-705x470.jpg 705w, https://www.cen-isere.org/wp-content/uploads/2017/11/Ecrevisse-pattes-blanches_MJ-CEN-Isere-450x300.jpg 450w" sizes="(max-width: 300px) 100vw, 300px" /></div></div></div><br />

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<div  class='hr av-av_hr-ee2847e2e025ce3d30801259a03f9fd4 hr-invisible  avia-builder-el-5  el_after_av_image  el_before_av_textblock '><span class='hr-inner '><span class="hr-inner-style"></span></span></div><br />
<section  class='av_textblock_section av-av_textblock-396ddf1f42196ca838231e61a4602801 '   itemscope="itemscope" itemtype="https://schema.org/BlogPosting" itemprop="blogPost" ><div class='avia_textblock'  itemprop="text" ><p><strong>C’est bien connu, chaque être vivant qui passe sur terre laisse une trace&nbsp;! Même l’espèce la plus discrète, même quand elle est de petite taille, a une carapace et vit dans un ruisseau, comme l’Écrevisse à pattes blanches.</strong></p>
<p>Le cours d’eau abrite des espèces animales ou végétales qui sont différentes selon les caractères écologiques de celui-ci. Si un des caractères est modifié, c’est l’ensemble de la biodiversité qui est modifiée. Les espèces qui ont la plus faible tolérance aux changements dans leur milieu de vie sont dites «&nbsp;sentinelles&nbsp;».</p>
<p>L’Écrevisse à pattes blanches est une espèce sentinelle protégée au niveau de l’Europe. Avoir la connaissance de sa présence dans un cours d’eau apporte une indication sur le très bon état de celui-ci. Des scientifiques ont engagé des démarches d’étude de présence de cette espèce en détectant la présence de traces de son ADN dans l’eau. Ainsi, dans le cadre d’un projet de recherche du pôle biodiversité du Département de l’Isère, Claude Miaud de l’École Pratique des Hautes Études (EPHE) de Montpellier s’est rapproché du CEN Isère pour faire ces mesures sur des cours d’eau où la présence de l’écrevisse est avérée mais aussi où elle est soupçonnée. L’eau est récoltée et filtrée dans un environnement stérile. Les produits issus de la filtration sont analysés en laboratoire pour en extraire les traces d’ADN qui sont ensuite comparées avec l’ADN de l’écrevisse à pattes blanches. Cette étude constitue la première étape du programme recherche et développement de l’EPHE. L’étape suivante sera de quantifier la population.</p>
</div></section><br />

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<div id='av-masonry-1' class='av-masonry av-av_masonry_gallery-62dad7e6fe5840843b7a14a99e3c459f noHover av-flex-size av-large-gap av-hover-overlay-active av-masonry-animation-active av-masonry-col-flexible av-caption-always av-caption-style- av-masonry-gallery ' data-post_id="11581"><div class="av-masonry-container isotope av-js-disabled"><div class='av-masonry-entry isotope-item av-masonry-item-no-image '></div><a href="https://www.cen-isere.org/wp-content/uploads/2017/11/Ecrevisse-pattes-blanches_MJ-CEN-Isere-1030x687.jpg" data-srcset="https://www.cen-isere.org/wp-content/uploads/2017/11/Ecrevisse-pattes-blanches_MJ-CEN-Isere.jpg 1030w, https://www.cen-isere.org/wp-content/uploads/2017/11/Ecrevisse-pattes-blanches_MJ-CEN-Isere-300x200.jpg 300w, https://www.cen-isere.org/wp-content/uploads/2017/11/Ecrevisse-pattes-blanches_MJ-CEN-Isere-768x512.jpg 768w, https://www.cen-isere.org/wp-content/uploads/2017/11/Ecrevisse-pattes-blanches_MJ-CEN-Isere-705x470.jpg 705w, https://www.cen-isere.org/wp-content/uploads/2017/11/Ecrevisse-pattes-blanches_MJ-CEN-Isere-450x300.jpg 450w" data-sizes="(max-width: 1030px) 100vw, 1030px"  aria-label="image Écrevisse à pattes blanches © CEN Isère &#8211; M. Juton"  id='av-masonry-1-item-11584' data-av-masonry-item='11584' class='av-masonry-entry isotope-item post-11584 attachment type-attachment status-inherit hentry  av-masonry-item-with-image' title="Écrevisse à pattes blanches © CEN Isère &#8211; M. Juton" alt=""    itemprop="thumbnailUrl" ><div class='av-inner-masonry-sizer'></div><figure class='av-inner-masonry main_color'><div class="av-masonry-outerimage-container"><div class='av-masonry-image-container'  ><img decoding="async" width="705" height="470" fetchpriority="high" class="wp-image-11584 avia-img-lazy-loading-not-11584"  src="https://www.cen-isere.org/wp-content/uploads/2017/11/Ecrevisse-pattes-blanches_MJ-CEN-Isere-705x470.jpg" title="Écrevisse à pattes blanches © CEN Isère &#8211; M. Juton" alt="" srcset="https://www.cen-isere.org/wp-content/uploads/2017/11/Ecrevisse-pattes-blanches_MJ-CEN-Isere-705x470.jpg 705w, https://www.cen-isere.org/wp-content/uploads/2017/11/Ecrevisse-pattes-blanches_MJ-CEN-Isere-300x200.jpg 300w, https://www.cen-isere.org/wp-content/uploads/2017/11/Ecrevisse-pattes-blanches_MJ-CEN-Isere-768x512.jpg 768w, https://www.cen-isere.org/wp-content/uploads/2017/11/Ecrevisse-pattes-blanches_MJ-CEN-Isere.jpg 1030w, https://www.cen-isere.org/wp-content/uploads/2017/11/Ecrevisse-pattes-blanches_MJ-CEN-Isere-450x300.jpg 450w" sizes="(max-width: 705px) 100vw, 705px" /></div></div></figure></a><!--end av-masonry entry--><a href="https://www.cen-isere.org/wp-content/uploads/2017/11/ADNe_AM-CEN-Isere-687x1030.jpg" data-srcset="https://www.cen-isere.org/wp-content/uploads/2017/11/ADNe_AM-CEN-Isere.jpg 687w, https://www.cen-isere.org/wp-content/uploads/2017/11/ADNe_AM-CEN-Isere-200x300.jpg 200w, https://www.cen-isere.org/wp-content/uploads/2017/11/ADNe_AM-CEN-Isere-470x705.jpg 470w, https://www.cen-isere.org/wp-content/uploads/2017/11/ADNe_AM-CEN-Isere-450x675.jpg 450w" data-sizes="(max-width: 687px) 100vw, 687px"  aria-label="image Filtration de l&rsquo;eau pour le recueil de l&rsquo;ADN environnemental © CEN Isère &#8211; A. Merlin"  id='av-masonry-1-item-11583' data-av-masonry-item='11583' class='av-masonry-entry isotope-item post-11583 attachment type-attachment status-inherit hentry  av-masonry-item-with-image' title="Filtration de l&rsquo;eau pour le recueil de l&rsquo;ADN environnemental © CEN Isère &#8211; A. Merlin" alt=""    itemprop="thumbnailUrl" ><div class='av-inner-masonry-sizer'></div><figure class='av-inner-masonry main_color'><div class="av-masonry-outerimage-container"><div class='av-masonry-image-container'  ><img decoding="async" width="470" height="705" fetchpriority="high" class="wp-image-11583 avia-img-lazy-loading-not-11583"  src="https://www.cen-isere.org/wp-content/uploads/2017/11/ADNe_AM-CEN-Isere-470x705.jpg" title="Filtration de l&rsquo;eau pour le recueil de l&rsquo;ADN environnemental © CEN Isère &#8211; A. Merlin" alt="" srcset="https://www.cen-isere.org/wp-content/uploads/2017/11/ADNe_AM-CEN-Isere-470x705.jpg 470w, https://www.cen-isere.org/wp-content/uploads/2017/11/ADNe_AM-CEN-Isere-200x300.jpg 200w, https://www.cen-isere.org/wp-content/uploads/2017/11/ADNe_AM-CEN-Isere.jpg 687w, https://www.cen-isere.org/wp-content/uploads/2017/11/ADNe_AM-CEN-Isere-450x675.jpg 450w" sizes="(max-width: 470px) 100vw, 470px" /></div></div></figure></a><!--end av-masonry entry--></div></div><br />

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<div  class='hr av-av_hr-ee2847e2e025ce3d30801259a03f9fd4 hr-invisible  avia-builder-el-9  el_after_av_masonry_gallery  el_before_av_button  avia-builder-el-first '><span class='hr-inner '><span class="hr-inner-style"></span></span></div><br />
<div  class='avia-button-wrap av-av_button-2deeac739aed439c41966a6d7515a88d-wrap avia-button-right  avia-builder-el-10  el_after_av_hr  avia-builder-el-last '><a href='http://www.cen-isere.org/la-gestion-conservatoire/les-suivis-scientifiques/'  class='avia-button av-av_button-2deeac739aed439c41966a6d7515a88d av-link-btn avia-icon_select-yes-left-icon avia-size-small avia-position-right avia-color-theme-color-subtle'   aria-label="Les suivis scientifiques du CEN Isère"><span class='avia_button_icon avia_button_icon_left avia-iconfont avia-font-entypo-fontello' data-av_icon='' data-av_iconfont='entypo-fontello' ></span><span class='avia_iconbox_title' >Les suivis scientifiques du CEN Isère</span></a></div></p></div></p>
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