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|Drie copepoden, nieuw voor de Belgische fauna|
Heip, C.H.R. (1969). Drie copepoden, nieuw voor de Belgische fauna. Biol. Jb. Dodonaea 37: 42-49
In: Biologisch Jaarboek (Dodonaea). Koninklijk Natuurwetenschappelijk Genootschap Dodonaea: Gent. ISSN 0366-0813, more
|Also published as |
- Heip, C.H.R. (1971). Drie copepoden, nieuw voor de Belgische fauna, in: (1971). IZWO Coll. Rep. 1(1971). IZWO Collected Reprints, 1: pp. chapter 5, more
During a research of a shallow brackish water sheet, the Dievengat, located on the territory of the region of Knokke, some copepoda were collected, amongst which three that had not previously been found in Belgium. The items originate from soil samples through means of a glass tube with a diameter of 6 cm²; it concerns a soil rich in detritus. The water is about 20 cm in depth at the location of the sample taking. Samples were taken over the period from August 1968 until May 1969. The salinity is susceptible to a relatively wide variation. Usually values between 12 promille S and 18 promille S were measured. The maximum measured was 19.03 promille S on 16/12/68 and the minimum measured 8.41 promille S on 5/5/69. According to the system of Venece, 1958, the water can be trade marked mesohalian, eventhough the maximum exceeds the limits applying for this system (5 to 18 promille S). The pH varies from 7.6 to 8.6.