Estimation of population density of the common vole in Poland: an analysis of owl pellets
On the basis of 804 samples of the barn owl and the tawny owl pellets from the whole area of Poland estimation was made of relative density of the common vole. Average population density of M. arvalis was worked out using the square networks of 2,500 km2 of the UTM system Na podstawie 804 zbiorów zr...
Main Authors: | , |
---|---|
Format: | Text |
Language: | English Polish |
Published: |
1977
|
Subjects: | |
Online Access: | https://rcin.org.pl/dlibra/publication/edition/16282/content |
Summary: | On the basis of 804 samples of the barn owl and the tawny owl pellets from the whole area of Poland estimation was made of relative density of the common vole. Average population density of M. arvalis was worked out using the square networks of 2,500 km2 of the UTM system Na podstawie 804 zbiorów zrzutek sów z terenu całej Polski obliczono względne zagęszczenie M. arvalis, przypadające na jednostkę powierzchni 2,500 km2 On the basis of 804 samples of the barn owl and the tawny owl pellets from the whole area of Poland estimation was made of relative density of the common vole. Average population density of M. arvalis was worked out using the square networks of 2,500 km2 of the UTM system Na podstawie 804 zbiorów zrzutek sów z terenu całej Polski obliczono względne zagęszczenie M. arvalis, przypadające na jednostkę powierzchni 2,500 km2 |
---|