Dining in the Deep: The Feeding Ecology of Deep-Sea Fishes
Deep-sea fishes inhabit ∼75% of the biosphere and are a critical part of deep-sea food webs. Diet analysis and more recent trophic biomarker approaches, such as stable isotopes and fatty-acid profiles, have enabled the description of feeding guilds and an increased recognition of the vertical connec...
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| Veröffentlicht in: | Annual review of marine science 2017-01, Vol.9 (1), p.337-366 |
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| creator | Drazen, Jeffrey C Sutton, Tracey T |
| description | Deep-sea fishes inhabit ∼75% of the biosphere and are a critical part of deep-sea food webs. Diet analysis and more recent trophic biomarker approaches, such as stable isotopes and fatty-acid profiles, have enabled the description of feeding guilds and an increased recognition of the vertical connectivity in food webs in a whole-water-column sense, including benthic-pelagic coupling. Ecosystem modeling requires data on feeding rates; the available estimates indicate that deep-sea fishes have lower per-individual feeding rates than coastal and epipelagic fishes, but the overall predation impact may be high. A limited number of studies have measured the vertical flux of carbon by mesopelagic fishes, which appears to be substantial. Anthropogenic activities are altering deep-sea ecosystems and their services, which are mediated by trophic interactions. We also summarize outstanding data gaps. |
| doi_str_mv | 10.1146/annurev-marine-010816-060543 |
| format | Article |
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| fulltext | fulltext |
| identifier | ISSN: 1941-1405 |
| ispartof | Annual review of marine science, 2017-01, Vol.9 (1), p.337-366 |
| issn | 1941-1405 1941-0611 |
| language | eng |
| recordid | cdi_pubmed_primary_27814034 |
| source | Annual Reviews Complete A-Z List; MEDLINE |
| subjects | Animals Ecology Ecosystem Feeding Behavior feeding rates Fishes Food Chain food webs Marine Pisces trophic biomarkers trophic guilds vertical carbon flux |
| title | Dining in the Deep: The Feeding Ecology of Deep-Sea Fishes |
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