Abstract
Ethier, D., P. Davidson, G. H. Sorenson, K. L. Barry, K. Devitt, C. B. Jardine, D. Lepage, and D. W. Bradley. 2020. Twenty years of coastal waterbird trends suggest regional patterns of environmental pressure in British Columbia, Canada. Avian Conservation and Ecology 15(2):20. https://doi.org/10.5751/ACE-01711-150220
Highlights
Human impacts on marine ecosystems are complex and widespread
Using 20 years of citizen science data collected by the British Columbia Coastal Waterbird Survey, we examine species-specific trends in abundance of 50 species in the Salish Sea and 37 species along the outer Pacific Ocean coast that we considered to form the core wintering coastal bird community of British Columbia, Canada
Results from this study further demonstrate that citizen science data provide robust insight into regional abundance trends of coastal waterbirds and the commonalities that influence their susceptibility to environmental pressures (Bower 2009, Vilchis et al 2015)
Summary
Human impacts on marine ecosystems are complex and widespread Activities such as commercial fishing (e.g., Thrush et al 1998), pollution (e.g., Kennish 2002), and climate change (e.g., Harley et al 2006) affect a diverse suite of flora and fauna, leading to complex and varying consequences for marine biodiversity. Unravelling these dynamic relationships and identifying the mechanisms driving declines in marine biodiversity continue to challenge ecologists (Möllmann and Diekmann 2012, Gamfeldt et al 2015). Trends in waterbird abundance can offer insights into ecosystem changes happening locally and beyond and the conservation measures necessary to mitigate them
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