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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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Role of cold resistance and burial for winter survival and spring initiation of an Ulva spp. (Chlorophyta) bloom in a eutrophic lagoon (Lake Veere lagoon, The Netherlands) Kamermans, P.; Malta, E.-J.; Verschuure, J.M.; Lentz, L.F.; Schrijvers, L. (1998). Role of cold resistance and burial for winter survival and spring initiation of an Ulva spp. (Chlorophyta) bloom in a eutrophic lagoon (Lake Veere lagoon, The Netherlands). Mar. Biol. (Berl.) 1998: 45-51 In: Marine Biology: International Journal on Life in Oceans and Coastal Waters. Springer: Heidelberg; Berlin. ISSN 0025-3162; e-ISSN 1432-1793, meer

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Beschikbaar in	Auteurs | Dataset
VLIZ: Open access 119185 [ download pdf ]
Documenttype: Wetenschappelijk rapport

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Trefwoorden

Eutrophication Life history Properties > Biological properties > Biological resistance > Cold resistance Sediment mixing > Bioturbation Ulvales [WoRMS] ANE, Nederland, Veerse meer [Marine Regions] Brak water

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Auteurs		Top | Dataset
Kamermans, P., meer Malta, E.-J. Verschuure, J.M.	Lentz, L.F. Schrijvers, L.

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Abstract

In the eutrophic Veerse Meer lagoon (The Netherlands) large amounts of free-floating thalli from Ulva spp. are present from May to October. In winter however, no algae seem to occur in the lagoon. Sexual reproduction appears to be negligible, as spore formation and germling growth are observed only sporadically. Results of a field survey showed that in winter, viable Ulva biomass is present buried in the sediment of the shallow parts of the lagoon. Freezing experiments demonstrated that the algae are able to survive temperatures of -5 degrees C for 2 weeks when kept in darkness. In spring, the buried Ulva thalli are liberated out of the sediment to initiate a bloom. A field experiment indicates that bioturbation by the lugworm Arenicola marina does not stimulate the release of the thalli. Burial and winter survival can explain the rapid increase in Ulva biomass in spring and suggest that the initial spring biomass is one of the major factors determining the maximal biomass in summer.

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Dataset

Kamermans P., Soetaert K. 1998: The role of cold resistance and burial for winter survival and spring initiation of an Ulva spp. (Chlorophyta) bloom in an eutrophic lagoon (Veerse Meer lagoon, The Netherlands). Netherlands Institute of Ecology; Centre for Estuarine and Marine Ecology, Netherlands. Metadata available at http://mda.nioo.knaw.nl/imis.php?module=dataset&dasid=1171, meer

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