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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 [76694]
The Influence of temperature and salinity on energy partitioning in the marine nematode Diplolaimelloides bruciei Warwick, R.M. (1981). The Influence of temperature and salinity on energy partitioning in the marine nematode Diplolaimelloides bruciei. Oecologia 51(3): 318-325. https://dx.doi.org/10.1007/BF00540900 In: Oecologia. Springer: Heidelberg; Berlin. ISSN 0029-8549; e-ISSN 1432-1939, meer

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Beschikbaar in	Auteur
VLIZ: Non-open access 352535 [ aanvragen ]

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Trefwoorden

Environmental effects Population characteristics > Population density Population characteristics > Population structure > Sex ratio Respiration Diplolaimelloides bruciei Hopper, 1970 [WoRMS] Marien/Kust

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Auteur		Top
Warwick, R.M., meer

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Abstract

Measurements of population growth, generation time, fecundity and respiration in laboratory culture have been made, in relation to temperature and salinity, for the nematode Diplolaimelloides bruciei Hopper, a species normally associated with decayed material of the marsh grass Spartina. The intrinsic rate of increase (r) is high: it is related to temperature between 5 degree and 25 degree C by a sigmoid function which is steepest between 10 degree and 15 degree C, and is maximum at 26ppt. salinity. Generation time is related to temperature by a power function and is shortest at 26ppt. salinity. The effect of temperature on generation time is consistent with other data for marine nematodes, and the steep slope of r against temperature is largely due to the marked effect of temperature on fecundity. A sex ratio of 2:1 in favour of males is maintained regardless of culture conditions or population density. Respiration increases exponentially with temperature between 5 degree and 25 degree C, with a very high Q10 (3.94), but is not affected by salinity.

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