Salinity fluctuation of the brine discharge affects growth and survival of the seagrass Cymodocea nodosa

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Title: Salinity fluctuation of the brine discharge affects growth and survival of the seagrass Cymodocea nodosa
Authors: Garrote-Moreno, Aurora | Fernández-Torquemada, Yolanda | Sánchez-Lizaso, José Luis
Research Group/s: Biología Marina | Recursos Hídricos y Desarrollo Sostenible
Center, Department or Service: Universidad de Alicante. Departamento de Ciencias del Mar y Biología Aplicada
Keywords: Cymodocea nodosa | Brine discharge | Salinity fluctuations | Seagrass growth
Knowledge Area: Zoología
Issue Date: 15-Apr-2014
Publisher: Elsevier
Citation: Marine Pollution Bulletin. 2014, 81(1): 61-68. doi:10.1016/j.marpolbul.2014.02.019
Abstract: The increase of seawater desalination plants may affect seagrasses as a result of its hypersaline effluents. There are some studies on the salinity tolerance of seagrasses under controlled laboratory conditions, but few have been done in situ. To this end, Cymodocea nodosa shoots were placed during one month at four localities: two close to a brine discharge; and the other two not affected by the discharge, and this experiment was repeated four times. The results obtained showed a decrease in growth and an increased mortality at the localities affected by the brine discharge. An increase was detected in the percentage of horizontal shoots in respect to vertical shoots at the impacted localities. It is probably that not only the average salinity, but also the constant salinity fluctuations and slightly higher temperatures associated with the brine that may have caused physiological stress thus reducing C. nodosa growth and survival.
Sponsor: This research was financed by a grant of University of Alicante and by an ACUAMED contract.
ISSN: 0025-326X (Print) | 1879-3363 (Online)
DOI: 10.1016/j.marpolbul.2014.02.019
Language: eng
Type: info:eu-repo/semantics/article
Peer Review: si
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Appears in Collections:INV - Recursos Hídricos y Desarrollo Sostenible - Artículos de Revistas
INV - BM - Artículos Científicos / Scientific Papers

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