منابع مشابه
EXPLOITATiON OF FISH POPULATIONS
The tcrm "exploitation" implies the idea of making use of the population, and in fisheries is generally regarded as a process which should be continued indefinitely without destroying the population. Very intense exploitation leading to the complete destruction of the population, or at least its reduction to a level so low that further exploitation is not worthwhile, is rarely, if ever, deliber...
متن کاملBatcheler: Compensatory Response of Mammal Populations
Ecology contributes to management of animal pests in two ways: by defining the precise damage done by the suspect and finding efficient methods of reducing the population to numbers compatible with land use. The latter is the most sought-after service because it concerns development and evaluation of efficient control methods; and herein lies, perhaps, the great bogey of pest control, for this ...
متن کاملIrruptive mammal host populations shape tularemia epidemiology
1 Departamento de Ciencias Agroforestales, Escuela Técnica Superior de Ingenierı́as Agrarias, Universidad de Valladolid, Palencia, Spain, 2 Instituto de Investigación en Recursos Cinegéticos (Consejo Superior de Investigaciones cientı́ficas—Universidad de Castilla-La Mancha–Junta de Comunidades de Castilla-La Mancha), Ciudad Real, Spain, 3 Facultad de Medicina, Universidad de Castilla-La Mancha, ...
متن کاملRecovery Trends in Marine Mammal Populations
Marine mammals have greatly benefitted from a shift from resource exploitation towards conservation. Often lauded as symbols of conservation success, some marine mammal populations have shown remarkable recoveries after severe depletions. Others have remained at low abundance levels, continued to decline, or become extinct or extirpated. Here we provide a quantitative assessment of (1) publicly...
متن کاملThe impact of hunting on tropical mammal and bird populations.
Hunting is a major driver of biodiversity loss, but a systematic large-scale estimate of hunting-induced defaunation is lacking. We synthesized 176 studies to quantify hunting-induced declines of mammal and bird populations across the tropics. Bird and mammal abundances declined by 58% (25 to 76%) and by 83% (72 to 90%) in hunted compared with unhunted areas. Bird and mammal populations were de...
متن کاملذخیره در منابع من
با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید
ژورنال
عنوان ژورنال: Pacific Conservation Biology
سال: 1997
ISSN: 1038-2097
DOI: 10.1071/pc980405