Introduction of Dorper sheep into Australian rangelands: implications for production and natural resource management
نویسندگان
چکیده
منابع مشابه
Productive performance of Dorper sheep.
The Dorper is a hardy South African composite breed, derived from a cross between the Black-headed Persian and the Dorset Horn. Dorpers are regarded as early-maturing, and ewes lambed at an age of 1 year in one study. Age at first lambing was higher in other literature sources cited. The fertility of Dorper ewes was approximately 0.90 ewes that lambed per ewe mated, with a litter size ranging f...
متن کاملTrust And Cooperation In Natural Resource Management: The Case Of Agistment In Rangelands
Reciprocal altruism is paradoxical; theoretically the more one is trusted, the better the outcomes from one-shot prisoner’s dilemmas, although for individuals the best outcomes are when trust is not reciprocated. Most real life games are not one-shot, but iterated where trust develops through past actions (Cárdenas and Ostrom, 2004). Furthermore, in social-ecological systems outcomes are driven...
متن کاملManagement Implications of Global Change for Great Plains Rangelands
The Great Plains of North America encompass approximately 85 million ha (210 million acres) consisting of shortgrass, mixed-grass, and tallgrass prairie with about 60% of this area converted to crop agriculture and the remainder used primarily for livestock production. Large-scale gradients of precipitation (west to east, <30 to >100 cm; <12 to >40 inches) and mean annual temperature (north to ...
متن کاملQuantifying Production-Environment Tradeoffs Associated with Grazing Land Management – A Case Example from the Australian Rangelands
Contemporary Australian rangeland management is characterised by concurrent processes of a continuing intensification of land management practices and simplification of landscape ecological processes. This dual characteristic is associated with increasing levels of potential conflict between land management practices that promote improved economic performance of rangeland enterprises at the app...
متن کاملTransformational Change in Environmental and Natural Resource Management
It is widely agreed the Anthropocene has seen an unprecedented decline in the natural resources conditions that have underpinned the economic growth of the last few hundred years. As communities, we have not responded to Boulding’s vision of ‘the coming space ship earth’ although not for want of much official and private effort. As ‘wicked problems’ the impacts have been often ignored or off lo...
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: The Rangeland Journal
سال: 2014
ISSN: 1036-9872
DOI: 10.1071/rj13034