Comparative biogeochemistry-ecosystem-human interactions on dynamic continental margins

Lisa A. Levin, Kon Kee Liu, Kay Christian Emeis, Denise L. Breitburg, James Cloern, Curtis Deutsch, Michele Giani, Anne Goffart, Eileen E. Hofmann, Zouhair Lachkhar, Karin Limburg, Su Mei Liu, Enrique Montes, Wajih Naqvi, Olivier Ragueneau, Christophe Rabouille, Santosh Kumar Sarkar, Dennis P. Swaney, Paul Wassman, Karen F. Wishner

Research output: Contribution to journalArticle

Abstract

The oceans' 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. These include 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.

Original languageEnglish (US)
Pages (from-to)3-17
Number of pages15
JournalJournal of Marine Systems
Volume141
DOIs
StatePublished - Jan 1 2015

Fingerprint

biogeochemistry
continental margin
ecosystem response
ecosystems
ecosystem
hydrologic cycle
fishery production
climate cycle
nutrient cycling
buffering
acidification
eutrophication
primary production
shoreline
fishing
human activity
warming
biodiversity
time series
sea level

Keywords

  • Anthropogenic factors
  • Climate change
  • Coastal biogeochemistry
  • Ecosystem services
  • Eutrophication
  • Time series

ASJC Scopus subject areas

  • Oceanography
  • Ecology, Evolution, Behavior and Systematics
  • Aquatic Science

Cite this

Levin, L. A., Liu, K. K., Emeis, K. C., Breitburg, D. L., Cloern, J., Deutsch, C., ... Wishner, K. F. (2015). Comparative biogeochemistry-ecosystem-human interactions on dynamic continental margins. Journal of Marine Systems, 141, 3-17. https://doi.org/10.1016/j.jmarsys.2014.04.016

Comparative biogeochemistry-ecosystem-human interactions on dynamic continental margins. / Levin, Lisa A.; Liu, Kon Kee; Emeis, Kay Christian; Breitburg, Denise L.; Cloern, James; Deutsch, Curtis; Giani, Michele; Goffart, Anne; Hofmann, Eileen E.; Lachkhar, Zouhair; Limburg, Karin; Liu, Su Mei; Montes, Enrique; Naqvi, Wajih; Ragueneau, Olivier; Rabouille, Christophe; Sarkar, Santosh Kumar; Swaney, Dennis P.; Wassman, Paul; Wishner, Karen F.

In: Journal of Marine Systems, Vol. 141, 01.01.2015, p. 3-17.

Research output: Contribution to journalArticle

Levin, LA, Liu, KK, Emeis, KC, Breitburg, DL, Cloern, J, Deutsch, C, Giani, M, Goffart, A, Hofmann, EE, Lachkhar, Z, Limburg, K, Liu, SM, Montes, E, Naqvi, W, Ragueneau, O, Rabouille, C, Sarkar, SK, Swaney, DP, Wassman, P & Wishner, KF 2015, 'Comparative biogeochemistry-ecosystem-human interactions on dynamic continental margins', Journal of Marine Systems, vol. 141, pp. 3-17. https://doi.org/10.1016/j.jmarsys.2014.04.016
Levin, Lisa A. ; Liu, Kon Kee ; Emeis, Kay Christian ; Breitburg, Denise L. ; Cloern, James ; Deutsch, Curtis ; Giani, Michele ; Goffart, Anne ; Hofmann, Eileen E. ; Lachkhar, Zouhair ; Limburg, Karin ; Liu, Su Mei ; Montes, Enrique ; Naqvi, Wajih ; Ragueneau, Olivier ; Rabouille, Christophe ; Sarkar, Santosh Kumar ; Swaney, Dennis P. ; Wassman, Paul ; Wishner, Karen F. / Comparative biogeochemistry-ecosystem-human interactions on dynamic continental margins. In: Journal of Marine Systems. 2015 ; Vol. 141. pp. 3-17.
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