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Het OWA, het open archief van het Waterbouwkundig Laboratorium heeft tot doel alle vrij toegankelijke onderzoeksresultaten van dit instituut in digitale vorm aan te bieden. Op die manier wil het de zichtbaarheid, verspreiding en gebruik van deze onderzoeksresultaten, alsook de wetenschappelijke communicatie maximaal bevorderen.

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one publication added to basket [126105]

Go with the flow: tidal import and export of larvae from semi-enclosed bays Jessopp, M.J.; McAllen, R.J. (2008). Go with the flow: tidal import and export of larvae from semi-enclosed bays. Hydrobiologia 606(1): 81-92. https://dx.doi.org/10.1007/s10750-008-9344-x In: Hydrobiologia. Springer: The Hague. ISSN 0018-8158; e-ISSN 1573-5117, meer Is gerelateerd aan: Jessopp, M.J.; McAllen, R.J. (2008). Go with the flow: tidal import and export of larvae from semi-enclosed bays, in: Davenport, J. et al. Challenges to Marine Ecosystems: Proceedings of the 41st European Marine Biology Symposium, held in Cork, Ireland, 4-8 September 2005. Developments in Hydrobiology, 202: pp. 81-92. https://dx.doi.org/10.1007/978-1-4020-8808-7_8, meer

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Beschikbaar in	Auteurs
VLIZ: Non-open access 354011 [ aanvragen ]

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Trefwoorden

Abundance Biodiversity Conservation Developmental stages > Larvae Dispersion Environmental impact Land use Marine biology Marine parks Motion > Tidal motion > Tides Population dynamics Species diversity Water bodies > Coastal waters > Coastal landforms > Coastal inlets > Bays Invertebrata [Ongewervelden] Marien/Kust

Author keywords

marine reserve; larval dispersal; larval retention; bays

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Auteurs		Top
Jessopp, M.J. McAllen, R.J., meer

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Abstract

There is a growing body of evidence that suggests the effective functioning of marine reserves is dependent on the dispersal and recruitment of larvae. Enhanced production inside reserves is predicted to lead to a net larval export and increased settlement and recruitment outside reserve boundaries. However, larval retention in bays is also well documented. Since bays are increasingly being used as reserve areas, planktonic larvae of benthic marine invertebrates were sampled from two semi-enclosed marine reserves during flood and ebb tides to determine whether these bays are acting as net exporters of larvae. Neither reserve was a net importer or exporter of species richness, larval abundance or diversity, although one reserve showed a small export of species richness during the hours of darkness. Both reserves balanced the net import of some species with a net export of others, which was generally related to adult or larval abundance, although exceptions were found in one reserve. Significant effects of light were found, with the net import or export of some species occurring exclusively during either the hours of daylight or darkness. An increased understanding of larval sink-source dynamics in bays is essential for ensuring their effective use as marine reserves to meet specific conservation needs.

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