Top Predators in Marine Ecosystems

Informationen zum Autor C. J. Camphuysen's current research interests include foraging ecology, mortality and distribution patterns of seabirds in the Atlantic Ocean and in the North Sea, the impacts of fishing on marine birds and the spatial distribution and temporal trends in abundance of cetaceans in the North Sea. Klappentext Through studying the behaviour and populations of predators in the marine environment, changes in the marine ecosystem can be monitored. As these predators often exploit the same marine resources as fisheries, they can be affected by other human influences on the marine environment and therefore can act as indicators of the impact of man on marine environments. This book examines the current understanding of marine predator ecology and investigates how this information can be used in marine management scenarios. Zusammenfassung Seals! seabirds! whales and dolphins are at the top of marine food chains: studying their ecology can help identify and monitor changes in wider marine ecosystems. This book examines our current understanding of marine predator ecology and investigates how it can be used in management and conservation of marine habitats. Inhaltsverzeichnis Preface; 1. Introduction I. L. Boyd, S. Wanless and C. J. Campheysen; 2. Effects of fisheries on ecosystems: just another top predator? Andrew W. Trites, Villy Christensen and Daniel Pauly; 3. Physical forcing in the southwest Atlantic: ecosystem control P. N. Trathan, E. J. Murphy, J. Forcada, J. P. Croxall, K. Reid and S. E. Thorpe; 4. The use of biologically meaningful oceanographic indices to separate the effects of climate and fisheries on seabird breeding success B. E. Scott, J. Sharples, S. Wanless, O. Ross, M. Frederiksen and F. Daunt; 5. Linking predator foraging behaviour and diet with variability in continental shelf ecosystems: grey seals of eastern Canada W. D. Bowen, C. A. Beck, S. J. Iverson, D. Austin, and J. I. McMillan; 6. Distribution and foraging interactions of seabirds and marine mammals in the North Sea: multi-species foraging assemblages and habitat-specific feeding strategies. C. J. Camphuysen, Beth Scott and Sarah Wanless; 7. Spatial and temporal variation in the diets of polar bears across the Canadian Arctic: indicators of changes in prey populations and environment Sara J. Iverson, Ian Stirling, and Shelley L. C. Lang; 8. Biophysical influences on seabird trophic assessments W. A. Montevecchi, S. Garthe and G. K. Davoren; 9. Consequences of prey distribution for the foraging behaviour of top predators Iain J Staniland, Phil Trathan and Anthony R. Martin; 10. Identifying drivers of change; did fisheries play a role in the spread of North Atlantic fulmars? Paul M. Thompson; 11. Monitoring predator-prey interactions using multiple predator species: the South Georgia experience J. P. Croxall; 12. Impacts of oceanography on the foraging dynamics of seabirds in the North Sea F. Daunt, S. Wanless, G. Peters, S. Benvenuti, J. Sharples, D. Grémillet and B. Scott; 13. Foraging energetics of North Sea birds confronted with fluctuating prey availability M. R. Enstipp, F. Daunt, S. Wanless, E. M. Humphreys, K. C. Hamer, S. Benvenuti and D. Grémillet; 14. How many fish should we leave in the sea for seabirds and marine mammals? Robert W. Furness; 15. Does the prohibition of industrial fishing for sandeels have any impact on local gadoid populations? Simon P. R. Greenstreet; 16. Use of gannets to monitor prey availability in the NE Atlantic Ocean: colony size, diet and foraging behaviour Keith C. Hamer, Sue Lewis, Sarah Wanless, Richard A. Phillips, Tom N. Sherratt, Elizabeth M. Humphreys, Janos Hennicke and Stefan Garthe; 17. Population dynamics of Antarctic krill Euphausia superba at South Georgia - sampling with predators provides new insights K. Reid, E. J. Murphy, J. P. Croxall and P. N. Trathan; 18. The functional response of generalist predators and its implications for ...

Klappentext

Through studying the behaviour and populations of predators in the marine environment, changes in the marine ecosystem can be monitored. As these predators often exploit the same marine resources as fisheries, they can be affected by other human influences on the marine environment and therefore can act as indicators of the impact of man on marine environments. This book examines the current understanding of marine predator ecology and investigates how this information can be used in marine management scenarios.

Zusammenfassung
Seals, seabirds, whales and dolphins are at the top of marine food chains: studying their ecology can help identify and monitor changes in wider marine ecosystems. This book examines our current understanding of marine predator ecology and investigates how it can be used in management and conservation of marine habitats.

Inhalt

Preface; 1. Introduction I. L. Boyd, S. Wanless and C. J. Campheysen; 2. Effects of fisheries on ecosystems: just another top predator? Andrew W. Trites, Villy Christensen and Daniel Pauly; 3. Physical forcing in the southwest Atlantic: ecosystem control P. N. Trathan, E. J. Murphy, J. Forcada, J. P. Croxall, K. Reid and S. E. Thorpe; 4. The use of biologically meaningful oceanographic indices to separate the effects of climate and fisheries on seabird breeding success B. E. Scott, J. Sharples, S. Wanless, O. Ross, M. Frederiksen and F. Daunt; 5. Linking predator foraging behaviour and diet with variability in continental shelf ecosystems: grey seals of eastern Canada W. D. Bowen, C. A. Beck, S. J. Iverson, D. Austin, and J. I. McMillan; 6. Distribution and foraging interactions of seabirds and marine mammals in the North Sea: multi-species foraging assemblages and habitat-specific feeding strategies. C. J. Camphuysen, Beth Scott and Sarah Wanless; 7. Spatial and temporal variation in the diets of polar bears across the Canadian Arctic: indicators of changes in prey populations and environment Sara J. Iverson, Ian Stirling, and Shelley L. C. Lang; 8. Biophysical influences on seabird trophic assessments W. A. Montevecchi, S. Garthe and G. K. Davoren; 9. Consequences of prey distribution for the foraging behaviour of top predators Iain J Staniland, Phil Trathan and Anthony R. Martin; 10. Identifying drivers of change; did fisheries play a role in the spread of North Atlantic fulmars? Paul M. Thompson; 11. Monitoring predator-prey interactions using multiple predator species: the South Georgia experience J. P. Croxall; 12. Impacts of oceanography on the foraging dynamics of seabirds in the North Sea F. Daunt, S. Wanless, G. Peters, S. Benvenuti, J. Sharples, D. Grémillet and B. Scott; 13. Foraging energetics of North Sea birds confronted with fluctuating prey availability M. R. Enstipp, F. Daunt, S. Wanless, E. M. Humphreys, K. C. Hamer, S. Benvenuti and D. Grémillet; 14. How many fish should we leave in the sea for seabirds and marine mammals? Robert W. Furness; 15. Does the prohibition of industrial fishing for sandeels have any impact on local gadoid populations? Simon P. R. Greenstreet; 16. Use of gannets to monitor prey availability in the NE Atlantic Ocean: colony size, diet and foraging behaviour Keith C. Hamer, Sue Lewis, Sarah Wanless, Richard A. Phillips, Tom N. Sherratt, Elizabeth M. Humphreys, Janos Hennicke and Stefan Garthe; 17. Population dynamics of Antarctic krill Euphausia superba at South Georgia - sampling with predators provides new insights K. Reid, E. J. Murphy, J. P. Croxall and P. N. Trathan; 18. The functional response of generalist predators and its implications for the monitoring of marine ecosystems Christian Asseburg, John Harwood, Jason Matthiopoulos and Sophie Smout; 19. The method of multiple hypotheses and the decline of Steller Sea Lions in western Alaska Nicholas Wolf, Jason Melbourne and Marc Mangel; 20. Modelling the behaviour of individuals and groups of animals foraging in heterogeneous environments J. G. Ollason, J. M. Yearsley, K. Liu…