Impact of introduced juvenile mussel cultures on the pelagic ecosystem of the western Wadden Sea, The Netherlands

Pelagic mussel collectors provide an alternative to fishing for mussel seed from natural beds. These collectors, which have been recently introduced in the Dutch part of the Wadden Sea, facilitate the settlement and survival of blue mussel Mytilus edulis larvae. We assessed the removal of plankton b...

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Autores principales:	P Jacobs, R Riegman, J van der Meer
Formato:	article
Lenguaje:	EN
Publicado:	Inter-Research 2016
Materias:	Aquaculture. Fisheries. Angling SH1-691 Ecology QH540-549.5
Acceso en línea:	https://doaj.org/article/6592051169de4d219406b474e80ac638
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spelling	oai:doaj.org-article:6592051169de4d219406b474e80ac6382021-11-11T11:06:23ZImpact of introduced juvenile mussel cultures on the pelagic ecosystem of the western Wadden Sea, The Netherlands1869-215X1869-753410.3354/aei00196https://doaj.org/article/6592051169de4d219406b474e80ac6382016-09-01T00:00:00Zhttps://www.int-res.com/abstracts/aei/v8/p553-566/https://doaj.org/toc/1869-215Xhttps://doaj.org/toc/1869-7534Pelagic mussel collectors provide an alternative to fishing for mussel seed from natural beds. These collectors, which have been recently introduced in the Dutch part of the Wadden Sea, facilitate the settlement and survival of blue mussel Mytilus edulis larvae. We assessed the removal of plankton by juvenile mussels and the recovery of plankton after filtration. A mesocosm experiment, using natural sea water, was executed on 12 occasions from June to October in 2010 and 2011. Mussel filtration resulted in large reductions in nanophytoplankton, ciliate and total chlorophyll biomasses (65-62%), while picophytoplankton and bacterial biomasses were reduced to a lower extent (38 and 18%). After filtration, mussels were removed and the plankton community was allowed to recover for 8 d, which is the average residence time of water in the area. During this recovery period, net growth rates of bacteria, pico- and nanophytoplankton increased initially in the mussel-filtered mesocosms, but at the end of the recovery period, growth rates were similar in mussel-filtered and control mesocosms. At the end of the recovery period, plankton concentrations between control and mussel mesocosms were not statistically different despite the initial large reduction due to mussel filtration. Our results suggest that nutrients released by mussels during filtration might have stimulated the filtered plankton community, enabling recovery to filtration within 8 d.P JacobsR RiegmanJ van der MeerInter-ResearcharticleAquaculture. Fisheries. AnglingSH1-691EcologyQH540-549.5ENAquaculture Environment Interactions, Vol 8, Pp 553-566 (2016)
institution	DOAJ
collection	DOAJ
language	EN
topic	Aquaculture. Fisheries. Angling SH1-691 Ecology QH540-549.5
spellingShingle	Aquaculture. Fisheries. Angling SH1-691 Ecology QH540-549.5 P Jacobs R Riegman J van der Meer Impact of introduced juvenile mussel cultures on the pelagic ecosystem of the western Wadden Sea, The Netherlands
description	Pelagic mussel collectors provide an alternative to fishing for mussel seed from natural beds. These collectors, which have been recently introduced in the Dutch part of the Wadden Sea, facilitate the settlement and survival of blue mussel Mytilus edulis larvae. We assessed the removal of plankton by juvenile mussels and the recovery of plankton after filtration. A mesocosm experiment, using natural sea water, was executed on 12 occasions from June to October in 2010 and 2011. Mussel filtration resulted in large reductions in nanophytoplankton, ciliate and total chlorophyll biomasses (65-62%), while picophytoplankton and bacterial biomasses were reduced to a lower extent (38 and 18%). After filtration, mussels were removed and the plankton community was allowed to recover for 8 d, which is the average residence time of water in the area. During this recovery period, net growth rates of bacteria, pico- and nanophytoplankton increased initially in the mussel-filtered mesocosms, but at the end of the recovery period, growth rates were similar in mussel-filtered and control mesocosms. At the end of the recovery period, plankton concentrations between control and mussel mesocosms were not statistically different despite the initial large reduction due to mussel filtration. Our results suggest that nutrients released by mussels during filtration might have stimulated the filtered plankton community, enabling recovery to filtration within 8 d.
format	article
author	P Jacobs R Riegman J van der Meer
author_facet	P Jacobs R Riegman J van der Meer
author_sort	P Jacobs
title	Impact of introduced juvenile mussel cultures on the pelagic ecosystem of the western Wadden Sea, The Netherlands
title_short	Impact of introduced juvenile mussel cultures on the pelagic ecosystem of the western Wadden Sea, The Netherlands
title_full	Impact of introduced juvenile mussel cultures on the pelagic ecosystem of the western Wadden Sea, The Netherlands
title_fullStr	Impact of introduced juvenile mussel cultures on the pelagic ecosystem of the western Wadden Sea, The Netherlands
title_full_unstemmed	Impact of introduced juvenile mussel cultures on the pelagic ecosystem of the western Wadden Sea, The Netherlands
title_sort	impact of introduced juvenile mussel cultures on the pelagic ecosystem of the western wadden sea, the netherlands
publisher	Inter-Research
publishDate	2016
url	https://doaj.org/article/6592051169de4d219406b474e80ac638
work_keys_str_mv	AT pjacobs impactofintroducedjuvenilemusselculturesonthepelagicecosystemofthewesternwaddenseathenetherlands AT rriegman impactofintroducedjuvenilemusselculturesonthepelagicecosystemofthewesternwaddenseathenetherlands AT jvandermeer impactofintroducedjuvenilemusselculturesonthepelagicecosystemofthewesternwaddenseathenetherlands
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Impact of introduced juvenile mussel cultures on the pelagic ecosystem of the western Wadden Sea, The Netherlands

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