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W Parku Krajobrazowym Promno, jedynym stanowisku orzesznicy Muscardinus avellanarius L., 1758 w Wielkopolsce, przeprowadzono badania nad rozmieszczeniem przestrzennym populacji, zagęszczeniem, rozrodczością oraz preferencjami siedliskowymi gatunku. Kontrolowano specjalnie rozwieszone skrzynki i tzw. tubki gniazdowe, poszukiwano śladów żerowania oraz letnich gniazd wolnostojących. Orzesznice i ślady...
We used a non-invasive TOBEC method (Total Body Electric Conductivity) to estimate lean body mass and fat content in mouse-eared bats Myotis myotis (Borkhausen, 1797) hibernating in Poznań Forts (W Poland) and in a semi-natural cave-mine Miedzianka (SE Poland). In December, fat content averaged 5.5 g in females (body mass = 29.4 g) and 5.3 g in males (body mass = 28.4 g). At the end of hibernation...
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