The Arctic Species Trend Index: Migratory Birds Index
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This report aims to describe the broad-scale trends necessary for designing and targeting informed conservation strategies at the flyway level to address these reported declines. To do this, we examine abundance change in selected Arctic breeding bird species, incorporating information from both inside and outside the Arctic (Figure 1) to capture possible influences at different points during a species’ annual cycle. The inclusion of trend information from non-Arctic locations confers a number of other advantages: data are readily available from key sites where individuals congregate in large, easy-to-count flocks; and adding these data allows for better disaggregation of trends due to larger data set size, thus providing the opportunity to elucidate the regional differences that have already been reported in the literature (Zöckler et al. 2013). Importantly, this addition also makes sense politically as the selected species are dependent on interconnected sites across the globe, meaning that suitable and effective conservation strategies can only be devised through international collaboration.
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McRae, Louise; Zöckler, Christoph; Gill, Michael; Loh, Jonathan; Latham, Julia; Harrison, Nicola; Martin, Jenny; Collen, Ben (Conservation of Arctic Flora and Fauna (CAFF), 2010)A 2010 analysis of the Arctic Species Trend Index (ASTI) dataset, an index used to track trend in Arctic fish, mammals and birds. In this report, vertebrate population-abundance data were used to produce an indicator of ...
McRae, L; Delnet, S.; Gill, M.; Collen, B. (Conservation of Arctic Flora and Fauna (CAFF), 2012-04)Track the trends in Arctic marine mammals, birds and fish through this analysis of the marine dataset in the revised Arctic Species Trend Index (ASTI).
Arctic Species Trend Index: Tracking Trends in Arctic Vertebrate Populations Through Space and Time Böhm, M,; McRae, L.; Delnet, S.; Gill, M.; Collen, B. (Conservation of Arctic Flora and Fauna (CAFF), 2012-04)"Utilizing the ASTI data (890 vertebrate populations from 323 species spanning a time period from 1951 to 2010), we expanded the original investigation to examine broad-scale spatial patterns of biodiversity change across ...