Sympagic-pelagic-benthic coupling in Arctic and Atlantic waters around Svalbard revealed by stable isotopic and fatty acid tracers
作者： Janne E. Søreide , Michael L. Carroll , Haakon Hop , William G. Ambrose , Else N. Hegseth
DOI: 10.1080/17451000.2013.775457
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摘要: Abstract Stable isotope and fatty acid trophic markers (FATMs) were used to assess carbon flow structures of sympagic, pelagic benthic communities in high-Arctic Svalbard. Three regions sampled: Northwest Svalbard – dominated by Atlantic water (AtW) limited seasonal sea ice; Northern AtW perennial Northeast Arctic (ArW) extensive ice. four levels (TL) found the three habitats, with a dominance omnivores (TL = 2.4–2.7). Ice fauna relied on phytoplankton ice algae, zooplankton primarily phytoplankton, while benthos algae/refractory material. (mean 39%; range 17–62%) 25%; 11–65%) had high proportions diatom-FATMs, equally diatom- Phaeocystis/dinoflagellate-FATMs 11% 15%, respectively). Calanus-FATMs prominent carnivorous (up 28%) to...
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