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The preservation of cave dwelling fauna the contribution of modelling ecological aspects






Annales de la Societe Royale Zoologique de Belgique 117(1): 3-14

The preservation of cave dwelling fauna the contribution of modelling ecological aspects

The cave environment and the cave-dwelling fauna are endangered, especially in Belgium, by water pollution, frequent sacking and abusive frequentations. Preservation operations must be carried out with regard to ecological and ethological characteristics of cave animals. A modelling of the principal features of the physical environment and different biological forms has been done. It determines the distribution of n cave animal population in an underground environment constituted by n physically and spatially separated sections. Each organism group is characterized by three kinds of preferenda (temperature, relative humidity and air movement), a tolerance zone and a sensibility limit. The resultant repartition of concerned populations is calculated for each time interval. The incidence of negative external agents is simulated as required. On another side, preservation operations have also been tested. The simulation shows which important parameters must be respected for effective conservation actions. The connection between this forecast and the biological data is discussed.


Accession: 006740003



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