MCR LTER: Coral Reef Resilience: Algae, Coral, and Sediment data from Grazing Intensity Experiment, ongoing since 2010

These data describe the percent cover of benthic space holders (primarily algae),
the biomass of algae and sediment, and the number of corals recruiting on 15 cm X 15
cm terra cota tiles experimentally manipulated on the forereef on the north shore of
Moorea. The experiment was established to test whether and how different levels of
grazing influence benthic community development. Five treatments were initially
established to create a gradient in grazing pressure with a sixth treatment
established shortly thereafter. Each treatment was replicated ten times using a
randomized block design. Each cage initially contained four tiles, and one tile from
each cage has been photographed and destructively sampled for biomass at regular
intervals. In addition to the original tiles deployed in July 2010, tiles were
subsequently deployed in March 2011, August 2011, and March 2012 to test whether
community development varies among seasons. *** All but one table in this dataset are restricted (LTER Network Type II).
Data may be made available through arrangement with the dataset owner. ***

本数据集记录了底栖空间占据者（主要为藻类）的盖度百分比、藻类与沉积物的生物量，以及在莫雷阿岛北岸前礁区域开展的受控实验中，15cm×15cm赤陶陶片上的珊瑚定植幼体数量。本实验旨在探究不同强度的牧食作用是否以及如何影响底栖群落的发育。实验最初设置5组处理以构建牧食压力梯度，随后补充增设第6组处理。所有处理均采用随机区组设计，每组处理设置10次重复。每个实验笼最初放置4片陶片，随后定期对每个实验笼中的1片陶片进行拍照，并通过破坏性取样获取其生物量数据。除2010年7月首次投放的原始陶片外，研究团队还分别于2011年3月、2011年8月及2012年3月补充投放陶片，以验证底栖群落的发育是否存在季节差异。*** 本数据集除1张表格外，其余全部表格均受LTER网络II类数据权限限制。数据需通过与数据集所有者协商后方可获取。***