Articles | Volume 16, issue 22
https://doi.org/10.5194/bg-16-4337-2019
© Author(s) 2019. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/bg-16-4337-2019
© Author(s) 2019. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
Environmental factors influencing benthic communities in the oxygen minimum zones on the Angolan and Namibian margins
Ulrike Hanz
CORRESPONDING AUTHOR
Department of Ocean Systems, NIOZ Royal Netherlands Institute for Sea Research and Utrecht University, Texel, 1797SH, the Netherlands
Claudia Wienberg
MARUM–Center for Marine Environmental Sciences, University of Bremen, 28359 Bremen, Germany
Dierk Hebbeln
MARUM–Center for Marine Environmental Sciences, University of Bremen, 28359 Bremen, Germany
Gerard Duineveld
Department of Ocean Systems, NIOZ Royal Netherlands Institute for Sea Research and Utrecht University, Texel, 1797SH, the Netherlands
Marc Lavaleye
Department of Ocean Systems, NIOZ Royal Netherlands Institute for Sea Research and Utrecht University, Texel, 1797SH, the Netherlands
Katriina Juva
GEOMAR Helmholtz Centre for Ocean Research, 24148 Kiel, Germany
Wolf-Christian Dullo
GEOMAR Helmholtz Centre for Ocean Research, 24148 Kiel, Germany
André Freiwald
Department for Marine Research, Senckenberg Institute, 26382 Wilhelmshaven, Germany
Leonardo Tamborrino
MARUM–Center for Marine Environmental Sciences, University of Bremen, 28359 Bremen, Germany
Gert-Jan Reichart
Department of Ocean Systems, NIOZ Royal Netherlands Institute for Sea Research and Utrecht University, Texel, 1797SH, the Netherlands
Faculty of Geosciences, Earth Sciences Department, Utrecht University, Utrecht, 3512JE, the Netherlands
Sascha Flögel
GEOMAR Helmholtz Centre for Ocean Research, 24148 Kiel, Germany
Furu Mienis
Department of Ocean Systems, NIOZ Royal Netherlands Institute for Sea Research and Utrecht University, Texel, 1797SH, the Netherlands
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Latest update: 23 Nov 2024
Short summary
Along the Namibian and Angolan margins, low oxygen conditions do not meet environmental ranges for cold–water corals and hence are expected to be unsuitable habitats. Environmental conditions show that tidal movements deliver water with more oxygen and high–quality organic matter, suggesting that corals compensate unfavorable conditions with availability of food. With the expected expansion of oxygen minimum zones in the future, this study provides an example how ecosystems cope with extremes.
Along the Namibian and Angolan margins, low oxygen conditions do not meet environmental ranges...
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