Cantitate/Preț
Produs

Raptors at Risk: proceedings of the V World Conference on Birds of Prey and Owls

Autor RD Chancellor, BU Meyburg
en Limba Engleză Paperback – 29 mai 2000
Proceedings of the V World Conference on Birds of Prey and Owls. There are still few studies of the long-term dynamics of a complete raptor community, least of all in the tropics. In Africa, the pioneering population monitoring of eagles in Kenya by Brown and in Zimbabwe by Gargett are noteworthy. Furthermore, the consequences of habitat fragmentation and isolation on bird communities, currently a deep concern, have been thoroughly analyzed in temperate forests, as well as in tropical forests but rarely in Africa and never specifically on a raptor community. Reserves that protect natural habitat patches are often bound to become isolated within a matrix of initially similar but soon degraded habitat increasingly unsuitable for at least some species that eventually survive only in the reserve. Moreover, edge effects add their negative consequences to those of isolation and further imperil the survival of small population. This process, well known in forest fragments, may also occur in grasslands. Raptors are highly sensitive to prey availability, vegetation structure pollution and human disturbance and thus are good indicators of environmental changes.
Citește tot Restrânge

Preț: 18142 lei

Puncte Express: 272

Preț estimativ în valută:
3209 3805$ 2796£

Carte disponibilă

Livrare economică 04-18 martie


Specificații

ISBN-13: 9780888394781
ISBN-10: 0888394780
Pagini: 880
Ilustrații: 10 b/w photos, graphs & maps throughout.
Dimensiuni: 140 x 216 x 46 mm
Greutate: 1.2 kg
Editura: Hancock House
Colecția HANCOCK HOUSE