RT info:eu-repo/semantics/article
T1 Road and topography effects on invasion: edge effects in rat foraging patterns in two oceanic island forests (Tenerife, Canary Islands)
A1 Delgado, Juan Domingo
A1 Arévalo, José Ramón
A1 Fernández-Palacios, José María
K1 ratas
K1 islas oceánicas
K1 Islas Canarias
K1 bosques
K1 bordes de carretera
K1 rat
K1 oceanic islands
K1 Canary Islands
K1 forests
K1 road edges
AB We studied the effect of road edges on foraging activity by introduced ship or roofrats Rattus rattus in road-fragmented laurel and pine forests on Tenerife (CanaryIslands). By using selective baited stations enabling only foraging by rats we assessedbait removal rates along a road-interior gradient and different topographic locations.We recorded higher removal rates in the laurel than in the pine forest regardless ofthe distance to road. We detected an edge effect of paved roads on introduced ratforaging. Removal rates were significantly greater along road edges than in forestinterior in the laurel forest but not in the pine forest. Rats were more active alongroad habitats in forest ridges and slopes than in ravine beds in the laurel forest. Therewas no difference between topographic locations in rat activity at any distance fromthe road in the pine forest. It is suggested that variation in foraging intensity byintroduced rats in road-fragmented forests on these islands may depend, among otherfactors, on forest type, road edge effects and topographic pattern of the landscape.
PB Oikos Editorial Office
YR 2001
FD 2001
LK http://riull.ull.es/xmlui/handle/915/18474
UL http://riull.ull.es/xmlui/handle/915/18474
LA en
NO Viceconsejería de Medio Ambiente
DS Repositorio institucional de la Universidad de La Laguna
RD 02-may-2024