High environmental variability and steep biological gradients in the waters off the northern Antarctic Peninsula: Polarstern expedition PS81 (ANT-XXIX/3)

Gutt, Julian, David, Bruno, Isla, Enrique and Piepenburg, Dieter (2016) High environmental variability and steep biological gradients in the waters off the northern Antarctic Peninsula: Polarstern expedition PS81 (ANT-XXIX/3) Polar Biology, 39 (5). pp. 761-764. DOI 10.1007/s00300-016-1937-7.

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Abstract

The ocean off the northern Antarctic Peninsula is characterised by steep environmental gradients, if not discrete boundaries (Dorschel et al. 2015), as well as speciose benthic habitats (Griffiths 2010; De Broyer et al. 2014) and hotspots of biological productivity (Grange and Smith 2013). This region of the Southern Ocean (SO) attracts particular attention from scientists, decision-makers as well as the general public, because here the pace of atmospheric and oceanic climate change has been clearly above the global average over the past decades (Turner et al. 2014), and the local ecosystems are strongly affected by multiple stressors (Gutt et al. 2015a, b). Moreover, commercial bottom trawling disturbed the sea floor until it became prohibited in 1990, and whaling, sealing and exploitation of penguin and krill stocks modified the pelagic system in the twentieth century (Kock 1992; Knox 2007). In the austral summer (January–March) of 2013, this region was the target area of the cruise PS81 (ANT-XXIX/3) of the German research icebreaker Polarstern (for the PS81 cruise report, see Gutt 2013) (Figs. 1, 2 and 3).

Document Type: Article
Research affiliation: Kiel University > Kiel Marine Science
OceanRep > The Future Ocean - Cluster of Excellence
Kiel University
Refereed: Yes
DOI etc.: 10.1007/s00300-016-1937-7
ISSN: 0722-4060
Projects: Future Ocean
Date Deposited: 13 Aug 2019 08:59
Last Modified: 20 Aug 2019 09:45
URI: http://eprints.uni-kiel.de/id/eprint/47466

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