Biodiversity change after climate-induced ice-shelf collapse in the Antarctic

Biodiversity change after climate-induced ice-shelf collapse in the Antarctic

Julian Gutt ... et al. -- 10 pages, 5 figures, 1 table, supplementary data https://doi.org/10.1016/j.dsr2.2010.05.024

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Main Authors: Gutt, Julian, Isla, Enrique, Sañé, Elisabet
Format: artículo biblioteca
Language:English
Published: Elsevier 2011-01
Subjects:Antarctic Peninsula, Benthos, Krill, Apex predators, Pioneer species, Deep-sea species,
Online Access:http://hdl.handle.net/10261/48585
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spelling dig-icm-es-10261-485852020-11-24T09:03:51Z Biodiversity change after climate-induced ice-shelf collapse in the Antarctic Gutt, Julian Isla, Enrique Sañé, Elisabet Antarctic Peninsula Benthos Krill Apex predators Pioneer species Deep-sea species Julian Gutt ... et al. -- 10 pages, 5 figures, 1 table, supplementary data https://doi.org/10.1016/j.dsr2.2010.05.024 The marine ecosystem on the eastern shelf of the Antarctic Peninsula was surveyed 5 and 12 years after the climate-induced collapse of the Larsen A and B ice shelves. An impoverished benthic fauna was discovered, that included deep-sea species presumed to be remnants from ice-covered conditions. The current structure of various ecosystem components appears to result from extremely different response rates to the change from an oligotrophic sub-ice-shelf ecosystem to a productive shelf ecosystem. Meiobenthic communities remained impoverished only inside the embayments. On local scales, macro- and mega-epibenthic diversity was generally low, with pioneer species and typical Antarctic megabenthic shelf species interspersed. Antarctic Minke whales and seals utilised the Larsen A/B area to feed on presumably newly established krill and pelagic fish biomass. Ecosystem impacts also extended well beyond the zone of ice-shelf collapse, with areas of high benthic disturbance resulting from scour by icebergs discharged from the Larsen embayments Financial supportofANTXXIII/8 Polarstern expedition by CAML, BIANZOII, UMAC, DFGandof L.M. Gould and N.B. Palmer expeditions by NSF.Additional species identification by E.Cano (E.C.), C.DeBroyer (C.D.B.), J.-M.Gili (J.-M.G.), C.M.Lopez-Fedela Cuadra (C.M.L.), C. McClelland (C.M.), E.Rodríguez (E.R.), M.Roux (M.R.), V.Siegel, N.Teixido, H.Wägele (H.W.), helpful comments by A. Van reuse land two anonymous referees. ROV provided by MARUM/University of Bremen, oceanographic equipment by D. Gerdes.This is CAML contribution #39 Peer reviewed 2012-04-20T09:48:56Z 2012-04-20T09:48:56Z 2011-01 artículo http://purl.org/coar/resource_type/c_6501 Deep Sea Research - Part II - Topical Studies in Oceanography 58(1-2): 74-83 (2011) 0967-0645 http://hdl.handle.net/10261/48585 10.1016/j.dsr2.2010.05.024 en https://doi.org/10.1016/j.dsr2.2010.05.024 none Elsevier
institution ICM ES
collection DSpace
country España
countrycode ES
component Bibliográfico
access En linea
databasecode dig-icm-es
tag biblioteca
region Europa del Sur
libraryname Biblioteca del ICM España
language English
topic Antarctic Peninsula
Benthos
Krill
Apex predators
Pioneer species
Deep-sea species
Antarctic Peninsula
Benthos
Krill
Apex predators
Pioneer species
Deep-sea species
spellingShingle Antarctic Peninsula
Benthos
Krill
Apex predators
Pioneer species
Deep-sea species
Antarctic Peninsula
Benthos
Krill
Apex predators
Pioneer species
Deep-sea species
Gutt, Julian
Isla, Enrique
Sañé, Elisabet
Biodiversity change after climate-induced ice-shelf collapse in the Antarctic
description Julian Gutt ... et al. -- 10 pages, 5 figures, 1 table, supplementary data https://doi.org/10.1016/j.dsr2.2010.05.024
format artículo
topic_facet Antarctic Peninsula
Benthos
Krill
Apex predators
Pioneer species
Deep-sea species
author Gutt, Julian
Isla, Enrique
Sañé, Elisabet
author_facet Gutt, Julian
Isla, Enrique
Sañé, Elisabet
author_sort Gutt, Julian
title Biodiversity change after climate-induced ice-shelf collapse in the Antarctic
title_short Biodiversity change after climate-induced ice-shelf collapse in the Antarctic
title_full Biodiversity change after climate-induced ice-shelf collapse in the Antarctic
title_fullStr Biodiversity change after climate-induced ice-shelf collapse in the Antarctic
title_full_unstemmed Biodiversity change after climate-induced ice-shelf collapse in the Antarctic
title_sort biodiversity change after climate-induced ice-shelf collapse in the antarctic
publisher Elsevier
publishDate 2011-01
url http://hdl.handle.net/10261/48585
work_keys_str_mv AT guttjulian biodiversitychangeafterclimateinducediceshelfcollapseintheantarctic
AT islaenrique biodiversitychangeafterclimateinducediceshelfcollapseintheantarctic
AT saneelisabet biodiversitychangeafterclimateinducediceshelfcollapseintheantarctic
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