Counts of shorebirds and environmental correlates at Roberts Bank, British Columbia (1991 to 2019)

Data include counts conducted during northward migration of two species of shorebirds (Western Sandpiper Calidris mauri and Dunlin Calidris alpina) on the mudflats of Roberts Bank, British Columbia, 1991 to 2019. Count methodology detailed in Drever et al. (2014) and Canham et al. (2021). Data also include a set of covariates related to local conditions (precipitation, temperature, wind speed and direction, solar radiation, tidal amplitude, and water discharge rates from the Fraser River).本数据集包含1991年至2019年间，在加拿大不列颠哥伦比亚省罗伯茨滩涂开展的两种滨鸟北迁计数数据，涉及物种为西滨鹬（Western Sandpiper, Calidris mauri）与黑腹滨鹬（Dunlin, Calidris alpina）。相关计数方法详见Drever等（2014）与Canham等（2021）的研究成果。此外，数据集还涵盖一系列与当地环境条件相关的协变量，包括降水量、气温、风速与风向、太阳辐射、潮汐振幅以及弗雷泽河的径流量。