Degrees of Extinsion Risk in Farm Animal Populations

Autor:	George Florea Toba, Alexandru T. Bogdan, Marcel Paraschivescu, Iudith Ipate, Marcel Theodor Paraschivescu
Rok vydání:	2010
Předmět:	Extinction Ecology business.industry media_common.quotation_subject Geography Planning and Development Biodiversity Management Monitoring Policy and Law Biology Crossbreed Biological species Resource conservation Livestock Reproduction business media_common Demography
Zdroj:	Bulletin of University of Agricultural Sciences and Veterinary Medicine Cluj-Napoca. Agriculture. 67
ISSN:	1843-5386 1843-5246
DOI:	10.15835/buasvmcn-agr:5187
Popis:	In the last time a sustained activity for defending the biodiversity in the nature has evolved. In order to classify the degree of extinction risk in natural biological populations (biological species) the number of adult animals was preferred. The established degrees of risk are: in safety state >10000 heads, in vulnerably state heads, species in danger heads, species in critical state
Databáze:	OpenAIRE
Externí odkaz:	https://explore.openaire.eu/search/publication?articleId=doi_________::397d0e2221cc58e644054af07a97c451 https://doi.org/10.15835/buasvmcn-agr:5187 Zobrazit plný text záznamu