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| Hamerlynck, O.; Hostens, K.. |
| Frequency of occurrence of fish species was monitored on a fortnightly basis in four fykes and a weir in the Oosterschelde estuary from 1979 through 1988. This was done in order to record changes in the fish fauna that may have occurred as a response to the construction of a storm-surge barrier in the mouth of the Oosterschelde (1984-1986) and the concomitant building of compartmentalization dams in the landward part. These compartmentalization dams reduced the freshwater inflow into the system. Principal component analysis using the annual averages in frequency of occurrence suggests a slight shift occurred in the fish community separating a cluster of years 1979-1984 from the cluster 1985-1988. Many of the changes in individual species could be... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Fyke nets Storm surge barriers ANE; Netherlands; Oosterschelde. |
| Ano: 1994 |
URL: http://www.vliz.be/nl/open-marien-archief?module=ref&refid=2584 |
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| Tackx, M.L.M.; Bakker, C.; Francke, J.W.; Vink, M.. |
| Grazing of adults of the copepods <i>Acartia</i> spp., <i>Temora longicornis, Centropages hamatus</i> and nauplii of <i>Balanus</i> spp. on natural particulate matter from the Oosterschelde was studied using a Coulter counter. Two types of particulate matter distributions were found to occur in the Oosterschelde: 1. distributions with distinct peaks in the >20 µm size range (A) and 2. more flattened distributions which were bell-shapened or contained multiple small peaks spread over the entire 4-100 µm size range (B). In A-type distributions, peak tracking was performed in all species studied, especially in <i>Acartia</i> spp. and <i>T. longicornis</i>. In B-type distributions, the animals... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Zooplankton ANE; Netherlands; Oosterschelde. |
| Ano: 1989 |
URL: http://www.vliz.be/nl/open-marien-archief?module=ref&refid=3190 |
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| Hostens, K.; HamerlyncK, O.. |
| Data on the mobile epifauna of the Oosterschelde estuary, collected by beam trawl, were compiled from several studies. Multivariate statistical techniques brought out the fact that the Oosterschelde, when compared with neighbouring areas, has a characteristic epibenthic fauna. Diversity as measured by Hill's diversity numbers N through N <sub>+infinite</sub>, is higher for the Oosterschelde (N<sub>1</sub>=4.5) than for the Voordelta (N<sub>1</sub>=3.5) and the Westerschelde (N<sub>1</sub>=2.2).Four epifaunal communities can be distinguished within the Oosterschelde, the two most seaward communities being the richest. Annual production is estimated at about 6 gADW m<sup>-2</sup>... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Production Production Production ANE; Netherlands; Oosterschelde. |
| Ano: 1994 |
URL: http://www.vliz.be/nl/open-marien-archief?module=ref&refid=2585 |
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