The information available reveals pronounced changes in the ion ratio when marine and fresh waters are mi~ed. The critical salinity has been shown to be about 50/00 in the Kara, White, Baltic, Azov, Black and, probably, Caspian Seas, and British Columbia. Corresponding results were obtained in exper
โฆ LIBER โฆ
Some peculiar elements in the rotifer fauna of the atlantic sahara and of the atlas mountains
โ Scribed by Marc Coussement; Henri J. Dumont
- Publisher
- Springer
- Year
- 1980
- Tongue
- English
- Weight
- 345 KB
- Volume
- 73
- Category
- Article
- ISSN
- 1573-5141
No coin nor oath required. For personal study only.
โฆ Synopsis
In addition to ubiquitous forms, the Adrar of Mauretania has a number of rare tropicopolitan species, which occur here in relative abundance. In the Moroccan Atlas mountains, West-African forms meet boreo-alpine forms.
A population of Hexarthra from Atar, Mauretania, was intermediate between thefennica-group and the,ienkinae-group.
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