Szukana fraza: [Opis = "Small mammals were sampled during 14 months in 1982 and 1983 on a 10X16 station \(3.6 ha\) grid sited such that half was on a recent clearcut and half was in an uncut mixed oak stand in southcentral Pennsylvania \(USA\). Nine species of small mammals were captured, eight of which were taken on both halves of the grid. An average of 3.9 and 3.6 species were taken per month on the clearcut and forest halves, respectively."]

Wyników: 1