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Morphological variation of Keratella cochlearis in the presence of cyclopoid copepods in Meimoa Reservoir


, : Morphological variation of Keratella cochlearis in the presence of cyclopoid copepods in Meimoa Reservoir. Limnetica 16: 33-38

Species succession and succession of different morphs of the same species throughout the year are frequently reported. Environmental factors have been considered uneffective to justify such variations while the role of biotic relationships has received increasing attention. During this study the importance of biotic factors on body and spine lengths variation of Keratella cochlearis (Rotifera) during 1995 in Meimoa Reservoir was investigated. The predation impact on K. cochlearis morphology was evidenced as a general increase of body and spine lengths in the presence of potential cyclopoid predators. The importance of predator species composition and abundance on morphological variation of K. cochlearis was emphasised by direct correlation of both spine and body lengths to Acanthocyclops robustus density and not to the whole cyclopoid population.

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Other references

Anonymous, 1991: Consensus statement from the U.S. National Institutes of Health (NIH). Intravenous immunoglobulin: prevention and treatment of disease. International Journal of Technology Assessment in Health Care 7(4): 643-643

Zilber, I.A.; Belousova, A.K.; Dubur, G.Ia., 1970: Effect of nicotinamide analogs on biosyntheses connected with the folic acid cycle. Biokhimiia 35(5): 879-885

Junttila O.; Heide O.M., 1981: Shoot and needle growth in pinus sylvestris as related to temperature in northern fennoscandia. Shoot and needle growth of 20 yr old P. sylvestris trees was studied in relation to the temperature of the current and previous seasons at 3 localities in northern Fennoscandia over 10 yr. Leader length and the number of needle fasicles per leader...

Mirkes P.E.; Walker E.A., 1988: Embryotoxicity of cyclophosphamide and a structural analog 4 methylcyclophosphamide in postimplantation rat embryos cultured in vitro. Teratology 37(5): 477

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Linsley, E.G.; Usinger, R.L., 1959: Linnaeus and the development of the International Code of Zoological Nomenclature. Systematic Zoology, 8: 39-47

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