@misc{Grüm_Leszek_The_1965,
 author={Grüm, Leszek},
 editor={Polska Akademia Nauk. Komitet Ekologiczny},
 copyright={Creative Commons Attribution BY 3.0 PL license},
 address={Warszawa},
 howpublished={online},
 year={1965},
 language={eng},
 abstract={Analysis was made of the significance of the migration rate of individuals in the regulation of intensivity of penetration of a given section of the population's area. Study areas were marked out in a pine wood and the imagines of Carabus arcensis Hrbst. and Pterostichus niger Schall. caught in traps in these areas were marked with individual numbers. Observations were next made of the rate at which they left the study area. It proved that with increasing intensivity of penetration of the habitat by part of the individuals - expressed by a decrease in the rate of their disappearance – the percentage of individuals not penetrating that habitat increased.},
 type={Text},
 title={The significance of the migration rate of individuals in the regulation of intensivity of penetration of the habitat by populations of two species of Carabidae: Carabus arcensis Hrbst. and Pterostichus niger Schall.},
 URL={http://rcin.org.pl/Content/69464/PDF/WA058_86110_P2840-T13_Eko-Pol-A-Nr-28.pdf},
 volume={13},
 number={28},
 journal={Ekologia Polska. Seria A},
 publisher={Państwowe Wydawnictwo Naukowe},
 keywords={ground beetles, ecology, Carabidae},
}