Article (Scientific journals)
Comparative biogeochemistry-ecosystem-human interactions on dynamic continental margins
Levin, Lisa A.; Liu, Kon-Kee; Kay-Christian, Emeis et al.
2015In Journal of Marine Systems, 141, p. 3-17
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Keywords :
Anthropogenic factors; coastal biogeochemistry; climate change; eutrophication; ecosystem services; time series; Bay of Calvi; Corsica
Abstract :
[en] The ocean’s continental margins face strong and rapid change, forced by a combination of direct human activity, anthropogenic CO2-induced climate change, and natural variability. Stimulated by discussions in Goa, India at the IMBER IMBIZO III, we (1) provide an overview of the drivers of biogeochemical variation and change on margins, (2) compare temporal trends in hydrographic and biogeochemical data across different margins (3) review ecosystem responses to these changes, (4) highlight the importance of margin time series for detecting and attributing change and (5) examine societal responses to changing margin biogeochemistry and ecosystems. We synthesize information over a wide range of margin settings in order to identify the commonalities and distinctions among continental margin ecosystems. Key drivers of biogeochemical variation include long-term climate cycles, CO2-induced warming, acidification, and deoxygenation, as well as sea level rise, eutrophication, hydrologic and water cycle alteration, changing land use, fishing, and species invasion. Ecosystem responses are complex and impact major margin services including primary production, fisheries production, nutrient cycling, shoreline protection, chemical buffering, and biodiversity. Despite regional differences, the societal consequences of these changes are unarguably large and mandate coherent actions to reduce, mitigate and adapt to multiple stressors on continental margins.
Research center :
MARE - Centre Interfacultaire de Recherches en Océanologie - ULiège
Disciplines :
Aquatic sciences & oceanology
Author, co-author :
Levin, Lisa A.
Liu, Kon-Kee
Kay-Christian, Emeis
Breitburg, Denise L.
Cloern, James
Deutsch, Curtis
Giani, Michele
Goffart, Anne  ;  Université de Liège - ULiège > Département de Biologie, Ecologie et Evolution > Océanologie
Hofmann, Eileen E.
Lachkar, Zouhair
Limburg, Karin
Liu, Su-Mei
Montes, Enrique
Naqvi, Wajih
Ragueneau, Olivier
Rabouille, Christophe
Kumar Sarkar, Santosh
Swaney, Dennis P.
Wassman, Paul
Wishner, Karen F.
More authors (10 more) Less
Language :
English
Title :
Comparative biogeochemistry-ecosystem-human interactions on dynamic continental margins
Publication date :
2015
Journal title :
Journal of Marine Systems
ISSN :
0924-7963
Publisher :
Elsevier Science, Amsterdam, Netherlands
Volume :
141
Pages :
3-17
Peer reviewed :
Peer Reviewed verified by ORBi
Available on ORBi :
since 05 May 2014

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