Hasil Pencarian  ::  Simpan CSV :: Kembali

Abstrak :
This book explores the influence of the environment on livestock production across global biomes. The challenges the livestock industry faces in maintaining the delicate balance between animal welfare and production are also highlighted.

Abstrak :
Most birds cannot cover the distance between their breeding and winter quarters in one hop. They have to make multiple flights alternated with stopovers. Which factors govern the birds’ decisions to stop, to stop for how long, when to resume flight? What is better – to accumulate much fuel and to make long flights for many hundreds of kilometres, or to travel in small steps? Is it necessary to find habitats similar to the breeding ones or other habitats would do? Are long migratory flights indeed so costly energetically as usually assumed? This monograph summarizes our current knowledge on the ecology of songbird migrants during migratory stopovers and on their behaviour.​

Abstrak :
This bibliography updates progress in the study of bone disease in recent and fossil amphibians and reptiles, using advanced diagnostic tools, and drawing on a secure review of the literature and a growing database describing the nature of bony alterations.