Abstract
AbstractThe melting of the Greenland Ice Sheet is accelerating, with glaciers shifting from marine to land termination and potential consequences for fjord ecosystems downstream. Monthly samples in 2016 in two fjords in southwest Greenland show that subglacial discharge from marine-terminating glaciers sustains high phytoplankton productivity that is dominated by diatoms and grazed by larger mesozooplankton throughout summer. In contrast, melting of land-terminating glaciers results in a fjord ecosystem dominated by bacteria, picophytoplankton and smaller zooplankton, which has only one-third of the annual productivity and half the CO2 uptake compared to the fjord downstream from marine-terminating glaciers.
Funder
Nederlandse Organisatie voor Wetenschappelijk Onderzoek
Canadian Network for Research and Innovation in Machining Technology, Natural Sciences and Engineering Research Council of Canada
Aage V. Jensens Fonde
EC | Horizon 2020 Framework Programme
Publisher
Springer Science and Business Media LLC
Subject
General Earth and Planetary Sciences
Cited by
2 articles.
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