UV effects that come and go: A global comparison of marine benthic community level impacts..

Wahl, Martin , Molis, M., Davis, A., Dobretsov, S., Dürr, S., Johansson, J., Kinley, J., Kirugara, D., Langer, M., Lotze, Heike, Thiel, M., Thomason, J.C., Worm, Boris and Zeevi Ben-Yosef, D. (2004) UV effects that come and go: A global comparison of marine benthic community level impacts.. Global Change Biology, 10 (12). pp. 1962-1972. DOI 10.1111/j.1365-2486.2004.00872.x.

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Abstract

Ambient UV radiation has substantially increased during the last decades, but its impact on marine benthic communities is hardly known. The aim of this study was to globally compare and quantify how shallow hard-bottom communities are affected by UV during early succession. Identical field experiments in 10 different coastal regions of both hemispheres produced a consistent but unexpected pattern: (i) UV radiation affected species diversity and community biomass in a very similar manner, (ii) diversity and biomass were reduced to a larger extent by UVA than UVB radiation, (iii) ambient UV levels did not affect the composition of the communities, and (iv) any UV effects disappeared during species succession after 2–3 months. Thus, current levels of UV radiation seem to have small, predictable, and transient effects on shallow marine hard-bottom communities.

Document Type: Article
Keywords: Benthic Ecology; Ecology; Climatology; climate change; community resilience; global assessment; marine benthic diversity; UV radiation
Research affiliation: OceanRep > GEOMAR > FB3 Marine Ecology > FB3-EOE-N Experimental Ecology - Food Webs
OceanRep > GEOMAR > FB3 Marine Ecology > FB3-EOE-B Experimental Ecology - Benthic Ecology
Refereed: Yes
Open Access Journal?: No
DOI etc.: 10.1111/j.1365-2486.2004.00872.x
ISSN: 1354-1013
Projects: GAME
Date Deposited: 22 Apr 2009 10:25
Last Modified: 16 May 2018 13:18
URI: http://oceanrep.geomar.de/id/eprint/8020

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