|
|
| Janssen, Hans; Scheepmaker, Maarten; Couwelaar, Matthijs van; Pinkster, Sjouk. |
| 1. Gammarus aequicauda (Martynov, 1931) and Gammarus insensibilis Stock, 1966 have been the subject of a quantitative ecological research project in the lagoon system of Bages-Sigean (France, dépt. Aude). From April 1976 till August 1977 samples have been taken at 31 different stations all over the lagoon at intervals of about 2 weeks. With the samples thus obtained we studied the biology and distribution of the two species in relation to environmental factors, the most important being chlorinity and temperature. 2. Both species reproduce throughout the year and have a regular reproductive pattern with maxima in spring and autumn. In G. aequicauda. as compared to the other species, this peak is earlier in spring and later in autumn. This is caused by a... |
| Tipo: Article / Letter to the editor |
|
| Ano: 1979 |
URL: http://www.repository.naturalis.nl/record/504129 |
| |
