SBC LTER: Reef: Kelp Forest Community Dynamics: Abundance and size of Giant Kelp (Macrocystis Pyrifera), ongoing since 2000

These data describe the abundance of giant kelp, Macrocystis pyrifera , and are part of the
SBCLTER kelp forest monitoring program. The study was initiated in
2000, in the Santa Barbara Channel, California, USA, and this
dataset is updated once per year. The number and size (number of
fronds and diameter of holdfasts) of plants were recorded along
permanent transects at nine reef sites located along the mainland
coast of the Santa Barbara Channel and at two sites on the north
side Santa Cruz Island. These sites reflect several oceanographic
regimes in the channel and vary in distance from sources of
terrestrial runoff. The time period of data collection varied among the 11 kelp forest
sites. Sampling at BULL, CARP, and NAPL began in 2000, sampling at
the other 6 mainland sites (AHND, AQUE, IVEE, GOLB, ABUR, MOHK)
began in 2001 (transects 3, 5, 6, 7, 8 at IVEE were added in
2011). Data collection at the two Santa Cruz Island sites (SCTW
and SCDI) began in 2004. See Methods for more information.

本数据集记录了巨藻（Macrocystis pyrifera）的丰度情况，属于SBCLTER海带林监测计划的一部分。本研究于2000年在美国加利福尼亚州圣巴巴拉海峡启动，本数据集每年更新一次。研究人员在圣巴巴拉海峡大陆沿岸的9个礁体站点，以及圣克鲁斯岛北侧的2个站点，通过永久样带记录了巨藻的数量与形态特征（包括藻叶数量及固着器直径）。这些站点覆盖了海峡内的多种海洋学环境，且与陆地径流源的距离各不相同。11个海带林站点的数据采集起始时间各不相同：BULL、CARP及NAPL站点的采样始于2000年；其余6个大陆沿岸站点（AHND、AQUE、IVEE、GOLB、ABUR、MOHK）的采样始于2001年（IVEE站点的3、5、6、7、8号样带于2011年新增）；圣克鲁斯岛的2个站点（SCTW与SCDI）的采集工作始于2004年。更多细节请参阅方法部分。