Data from: Combined bottom-up and top-down pressures drive catastrophic population declines of Arctic skuas in Scotland

负责人：

Perkins, Allan

关键词：

sandeel food availability marine conservation population dynamics predation seabird skua

DOI：

doi:10.5061/dryad.v056r5h

摘要：

. 3. Long-term monitoring data were used to quantify changes in population size and productivity of Arctic skuas, their hosts (black-legged kittiwake Rissa

Data from: Shifts in North Sea forage fish productivity and potential fisheries yield

负责人：

Van Deurs, Mikael

关键词：

maximum sustianable yield functional complimentarity bottom-up effect small pelagic fisheries fisheries regime shift recruitment growth

DOI：

doi:10.5061/dryad.tq1f7

摘要：

productivity and the associated influence on fisheries yield of herring, sprat, Norway pout and sandeel in the North Sea. Using principal component analysis, we analysed 40