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	Provedor de dados OMA (11) Autor Willems, K.A. (11) Heip, C.H.R. (6) Claeys, D. (5) Vanosmael, C. (3) Vincx, M. (3) Fiers, F. (1) Goossens, A. (1) Sandee, A.J.J. (1) Sharma, Y. (1) Van Damme, D. (1) Mais... Palavra-chave North Sea (5) Southern Bight (5) Belgium (4) Flemish Banks (4) Kwinte Bank ANE (4) Netherlands (4) Benthos Sand banks ANE (2) Ems-Dollard Estuary ANE (2) Grevelingen L. (2) 1981 Copepoda [copepods] Harpacticoida ANE (1) 1982 ANE (1) Animal morphology Bays Holotypes New species Copepoda [copepods] Harpacticoida Syrticola mediterraneus MED (1) Benthos Community composition Distribution Ecology Copepoda [copepods] ANE (1) Bottom sampling Meiofauna Vertical distribution ANE (1) Calvi Bay (1) Corsica (1) Delta Area (1) Environmental impact Estuaries Pollution Copepoda [copepods] ANE (1) France (1) Gecarcinus lateralis lateralis (1) Mais... Tipo do documento Info:eu-repo/semantics/article (10) Info:eu-repo/semantics/doctoralThesis (1) Ano 1989 (1) 1987 (1) 1984 (2) 1982 (5) 1981 (1) 1977 (1) Mais... País Belgium (11) Idioma Inglês (10) Holandês (1)		Ordenar por:  Relevância Autor Título Ano Registros recuperados: 11 Primeira ... 1 ... Última Benthos of a sublittoral sandbank in the Southern Bight of the North Sea: general considerations OMA Willems, K.A.; Vanosmael, C.; Claeys, D.; Vincx, M.; Heip, C.H.R.. The benthic fauna of the Kwinte Bank, a linear sandbank in the Belgian coastal waters of the North Sea, was sampled on ten stations in September 1978. This sandbank shows a linear gradient from fine sandy sediments in the south to coarser sandy sediments in the north as a result of the tidal current pattern in the region. The influence of this gradient on macro- and meiofauna was studied. Diversity of polychaetes and harpacticoid copepods is correlated with median grain size of the sand fraction, diversity of nematodes is not. The influence of station location and sediment characteristics on density of all major macrobenthic groups is very outspoken, and linear density trends are common. This is not true for meiofauna in general and nematodes and copepods... Tipo: Info:eu-repo/semantics/article Palavras-chave: Benthos Sand banks ANE; Belgium; Flemish Banks; Kwinte Bank ANE; North Sea; Southern Bight. Ano: 1982 URL: http://www.vliz.be/nl/open-marien-archief?module=ref&refid=3393 <i>Boreopontia heipi</i> n.g., n.sp., an interstitial harpacticoid (Copepoda) from the Southern Bight of the North Sea OMA Willems, K.A.. During a comprehensive investigation of the meiofauna of the Kwinte Bank, a sandbank in the Southern Bight of the North Sea, several specimens were collected of an interstitial harpacticoid of the family Cylindropsyllidae, representing a new genus. These specimens, referred to as <i>Arenopontia</i> sp. A by Willems <i>et al</i>. (in press), occurred in two stations with a pure, very well sorted coarse sand. The physical characteristics were: a median grain size: 402-517 µm; sorting: 0.30-0.24 Ø; mud (<63 µm) content: 0.05-0 % ; gravel (>2000 µm) content: 1.13-0.24 %. The copepod association was dominated by <i>Interleptomesochra eulittoralis</i> Noodt, 1952). <i>Leptastacus laticaudatus intermedius</i>... Tipo: Info:eu-repo/semantics/article Palavras-chave: New genera New species Boreopontia heipi Willems; 1981 Copepoda [copepods] Harpacticoida ANE; Belgium; Flemish Banks; Kwinte Bank ANE; North Sea; Southern Bight. Ano: 1981 URL: http://www.vliz.be/nl/open-marien-archief?module=ref&refid=3411 Meiobenthos of a sublittoral sandbank in the Southern Bight of the North Sea OMA Willems, K.A.; Vincx, M.; Claeys, D.; Vanosmael, C.; Heip, C.H.R.. The meiofauna of a subtidal linear sandbank, the Kwinte Bank, in the Belgian coastal waters of the North Sea was analysed, with particular reference to the nematodes and harpacticoids. Nematodes are evenly spread over the whole sandbank but species differ. Diversity is very high (on average 3.8 bit /ind.) and 136 species were identified. Density on the contrary is low (on average 384 ind./10 cm²). Three species groups can be distinguished which are correlated with sediment characteristics. All trophic groups of nematodes are equally distributed within the sediment. Copepods are both more numerous and more diverse in the coarser sediments of the northern side of the sandbank. One cyclopoid and 65 harpacticoid species were identified with an average... Tipo: Info:eu-repo/semantics/article Palavras-chave: Meiobenthos Sand banks Harpacticoida Nematoda [Nematodes] ANE; Belgium; Flemish Banks; Kwinte Bank ANE; North Sea; Southern Bight. Ano: 1982 URL: http://www.vliz.be/nl/open-marien-archief?module=ref&refid=3394 Vertical distribution of meiofauna and the efficiency of the Van Veen grab on sandy bottoms in lake Grevelingen (the Netherlands) OMA Heip, C.H.R.; Willems, K.A.; Goossens, A.. Comparison of density estimates of Nematoda and Harpacticoida obtained by a Van Veen grab and SCUBA diving from a sandy sediment in shallow water shows that Harpacticoida are sampled efficiently with the grab but Nematoda are not. For the Nematoda, total density is underestimated and the relative abundance of surface-dwellers is overestimated. Samples obtained with a Van Veen grab from which the material is collected in a bucket and subsampled afterwards have a much smaller statistical variability than samples obtained with other methods. Tipo: Info:eu-repo/semantics/article Palavras-chave: Bottom sampling Meiofauna Vertical distribution ANE; Netherlands; Grevelingen L.. Ano: 1977 URL: http://www.vliz.be/nl/open-marien-archief?module=ref&refid=3570 Larval development of the land crab <i>Gecarcinus lateralis lateralis</i> (Fréminville,1835) (Brachyura Gecarcinidae) reared in the laboratory OMA Willems, K.A.. The complete larval development of <i>Gecarcinus lateralis lateralis</i> (Fréminville, 1835), a gecarcinid land crab from Bermuda, is described and illustrated based on larvae reared in the laboratory. The species passes through six (possibly five) zoeal stages and one megalopal stage. The development through six zoeal stages to the young crab stage takes at least 29 days. Morphological characters of <i>G. l. lateralis</i> larvae are compared with gecarcinid species of which the complete larval development is known, i.e., <i>Cardisoma guanhumi</i> and <i>C. carnifex</i>. Tipo: Info:eu-repo/semantics/article Palavras-chave: Larval development; Rearing; Gecarcinus lateralis lateralis. Ano: 1982 URL: http://www.vliz.be/nl/open-marien-archief?module=ref&refid=3392 <i>Syrticola mediterraneus</i> n. sp., a harpacticoid copepod from the Bay of Calvi, Corsica OMA Willems, K.A.; Claeys, D.; Fiers, F.. <i>Syrticola mediterraneus</i> n. sp. belonging to the family Cylindropsyllidae Sars (<i>sensu</i> Lang, 1948) is described from the Bay of Calvi (Corsica). The species is closely related to (?) <i>Notopontia galapagoensis</i> Mielke, 1982 and <i>Syrticola flandricus</i> Willems & Claeys, 1982. The former species is now transferred to the genus <i>Syrticola</i> as <i>Syrticola galapagoensis</i> n. comb. Tipo: Info:eu-repo/semantics/article Palavras-chave: Animal morphology Bays Holotypes New species Copepoda [copepods] Harpacticoida Syrticola mediterraneus MED; France; Corsica; Calvi Bay. Ano: 1987 URL: http://www.vliz.be/nl/open-marien-archief?module=ref&refid=3258 Long-term evolution of the meiofauna at a sandy station in lake Grevelingen, the Netherlands OMA Willems, K.A.; Sharma, Y.; Heip, C.H.R.; Sandee, A.J.J.. Data on density, diversity and species number of harpacticoids and nematodes from a 3 m deep station in Lake Grevelingen are reported over the period 1975-1980. Vertical distribution of both copepod and nematodes densities are added. Over the 6 years period 95 species of nematodes and 26 species of harpacticoids have been identified. Neither diversity nor species number of harpacticoids changed significantly over the period. Nematode diversity and species number showed considerable changes, and especially the species composition evolved drastically over the years. The changes in feeding types among nematodes are discussed. Densities of both copepods and nematodes changed substantially over the 6 years period. Concurrent with a significant rise of the redox... Tipo: Info:eu-repo/semantics/article Palavras-chave: Meiobenthos Population density Population dynamics Species diversity Vertical distribution Copepoda [copepods] Harpacticoida Nematoda [Nematodes] ANE; Netherlands; Grevelingen L.. Ano: 1984 URL: http://www.vliz.be/nl/open-marien-archief?module=ref&refid=3278 Influence of pollution on the harpacticoid copepods of two North Sea estuaries OMA Van Damme, D.; Heip, C.H.R.; Willems, K.A.. Seasonal monitoring of the meiobenthos in the Dutch estuaries revealed an anomaly in density and diversity of harpacticoid copepods in the Westerschelde. Another Dutch estuary, the Eems Dollard, has comparable hydrodynamical, physical and sedimentological, characteristics and a similar fauna, but even in the severely organically polluted oligohaline mudflats of this estuary, annual average density and diversity of endo-epibenthic harpacticoid communities are higher than at similar less enriched meso- to polyhaline biotopes of the Westerschelde. Besides the concentrations of inorganic pollutants, such as phosphates and nitrates, the concentration of pesticides, cyanide, detergents, phenols, oils, polychlorobenzenes, polycyclic aromatic hydrocarbons and... Tipo: Info:eu-repo/semantics/article Palavras-chave: Environmental impact Estuaries Pollution Copepoda [copepods] ANE; Netherlands; Ems-Dollard Estuary ANE; Netherlands; Westerschelde. Ano: 1984 URL: http://www.vliz.be/nl/open-marien-archief?module=ref&refid=3337 Verspreiding, ecologie en gemeenschapsstructuur van benthische copepoden in het Delta-gebied en de Eems-Dollard (Nederland) OMA Willems, K.A.. Tipo: Info:eu-repo/semantics/doctoralThesis Palavras-chave: Benthos Community composition Distribution Ecology Copepoda [copepods] ANE; Ems-Dollard Estuary ANE; Netherlands; Delta Area. Ano: 1989 URL: http://www.vliz.be/nl/open-marien-archief?module=ref&refid=5775 <i>Syrticola flandricus</i> n.g., n.sp., a harpacticoid copepod from the Southern Bight of the North Sea OMA Willems, K.A.; Claeys, D.. During a comprehensive study of the macro- and meiobenthos of the Kwintebank, a sandbank in the Southern Bight of the North Sea, eleven female specimens of a cylindropsyllid, belonging to a new genus, were collected from one of the stations sampled. The station's coordinates are 51°18'00''N 2°40'10''E. The sediment at this stations is a pure, very well sorted, coarse sand (median grain size: 517 µm; sorting: 0.24; mud<63µm: 0%) with a harpacticoid community similar to the <i>Leptastacus laticaudatus-Paramesochra helgolandica</i>- community from the "Open Sea" Zone described by Govaere et al. (1980). All specimens have been deposited at the "Koninklijk Belgisch Instituut voor Natuurwetenschappen", Vautierstraat 31, B-1040 Brussels, under no.... Tipo: Info:eu-repo/semantics/article Palavras-chave: New genera New species Copepoda [copepods] Syrticola flandricus Willems & Claeys; 1982 ANE; North Sea; Southern Bight. Ano: 1982 URL: http://www.vliz.be/nl/open-marien-archief?module=ref&refid=3423 Macrobenthos of a sublittoral sandbank in the Southern Bight of the North Sea OMA Vanosmael, C.; Willems, K.A.; Claeys, D.; Vincx, M.; Heip, C.H.R.. The benthic fauna of a linear sandbank, the Kwinte Bank, in the Belgian coastal waters of the North Sea was sampled on ten stations in September 1978. Density and species composition of the macrofauna and sediment characteristics have been studied. The Kwinte Bank shows a gradient from finer sediments in the south to coarser sediments in the north, resulting from the tidal current pattern in the region, and can be considered as a biogeographical island as the bank is surrounded by a region of much finer sediments. The macrofauna consists of 73 identified species and has an average density of 4910 ind./m² and an average diversity of 2.5 bits/ind. Interstitial polychaetes predominate and among those <i>Hesionura augeneri</i> is the most abundant... Tipo: Info:eu-repo/semantics/article Palavras-chave: Benthos Sand banks ANE; Belgium; Flemish Banks; Kwinte Bank ANE; North Sea; Southern Bight. Ano: 1982 URL: http://www.vliz.be/nl/open-marien-archief?module=ref&refid=3390 Registros recuperados: 11 Primeira ... 1 ... Última

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