Relationship between land cover and insectivorous bat activity in an urban landscape

摘要: Despite the clear importance of conserving biodiversity in urbanized areas, research on how bats are influenced by urbanization has is only recently catching up to more established body for urban birds. Much extant been limited parks and other natural areas. Here I present results an acoustic survey throughout agricultural/forest/suburban/urban mosaic Minneapolis-St. Paul metropolitan area. Activity indices each six recorded species (Eptesicus fuscus, Lasiurus cinereus, borealis, Lasionycteris noctivagans, Myotis sp., Perimyotis subflavus) were used as response variables with land cover a series statistical models. Because may perceive landscape at different scales, candidate models included within 100, 500 1,000 m sampling location. L. noctivagans was negatively related amount impervious surface open habitat immediate landscape. borealis activity positively correlated tree scale. Tree proximity water levels cinereus P. subflavus, but latter surrounding surface. These suggest that one-size fits all approach bat conservation human modified landscapes not appropriate, also certain appear do well environments provided there sufficient cover.