Counts of Henricia sp. adults and recruits in quadrats, north-central California coast: Andrew Molean State Park to Manchester State Park from 2005-2014 (CHIPS project)

<p>Twenty accessible rocky intertidal sites were selected to span the ‘kill-zone’ and peripheral locations (see list of sites in Jurgens et al. submitted). Two rocky intertidal areas were sampled per site, usually one on either side of the point of entry onto the beach and separated by approximately 100 m. We used quadrats (1m2 [4 * 0.25 m^2] or 0.0625 m^2) and swaths (2 m wide transects) to estimate juvenile and adult abundance for each target species.</p> <p>This data set includes counts of <em>Henricia</em> sp. (Pacific blood star) in quadrats along the California coast from 36.3 N to 39.2 N.</p> <p><strong>Access Restriction</strong>: Access to these data are restricted until publication of the associated manuscript, which is currently in review at PLOS ONE Progress Series. [2015-02-05]</p> <p>Version 4 (2015-07-15) replaces version 3 (2014-10-03). Values for the sampled area were corrected.</p> <p><strong>Related Datasets:</strong><br /> <a href=\"http://www.bco-dmo.org/dataset/541003\">Purple urchin density</a><br /> <a href=\"http://www.bco-dmo.org/dataset/541036\">Purple urchin density by depth</a><br /> <a href=\"http://www.bco-dmo.org/dataset/528940\">Seastar and chiton counts - quadrats and swaths</a><br /> <a href=\"http://www.bco-dmo.org/dataset/562467\" target=\"_blank\">CHIPS02 - seastar chiton urchin counts in quadrats</a></p><p>本研究选取20处可进入的潮间带岩礁样点，覆盖“死亡区”及其周边区域（样点列表详见Jurgens等人已投稿的研究论文）。每个样点设置两处潮间带岩礁采样区域，通常位于海滩入口两侧，间距约100米。本研究采用样方（1m² [4×0.25m²] 或0.0625m²）与样带（2米宽样线）两种采样方法，估算各目标物种的幼体与成体种群丰度。</p> <p>本数据集涵盖北纬36.3°至39.2°的加州海岸沿线样方内的<em>Henricia</em>属（Henricia）物种（太平洋血海星）的个体计数数据。</p> <p><strong>数据使用限制</strong>：本数据集的获取权限将受到限制，直至相关研究论文正式发表。该论文目前正在《PLOS ONE Progress Series》期刊审稿中。[2015-02-05]</p> <p>本数据集版本4（发布于2015年7月15日）替代了版本3（2014年10月3日），修正了采样区域的相关数值。</p> <p><strong>相关数据集</strong>：<br /> <a href="http://www.bco-dmo.org/dataset/541003">紫海胆种群密度</a><br /> <a href="http://www.bco-dmo.org/dataset/541036">不同深度下的紫海胆种群密度</a><br /> <a href="http://www.bco-dmo.org/dataset/528940">海星与石鳖个体计数——基于样方与样带法</a><br /> <a href="http://www.bco-dmo.org/dataset/562467" target="_blank">CHIPS02——样方内海星、石鳖与海胆个体计数</a></p>