منابع مشابه
Resource-Conserving Agriculture Increases Yields in Developing Countries
J . N . P R E T T Y , * , † A . D . N O B L E , ‡ D . B O S S I O , § J . D I X O N , | R . E . H I N E , † F . W . T . P E N N I N G D E V R I E S , ⊥ A N D J . I . L . M O R I S O N † Department of Biological Sciences and Centre for Environment and Society, University of Essex, Wivenhoe Park, Colchester CO4 3SQ, U.K., International Water Management Institute (IWMI), P.O. Box 1025, Kasetsart U...
متن کاملResource-conserving agriculture increases yields in developing countries.
Despite great recent progress, hunger and poverty remain widespread and agriculturally driven environmental damage is widely prevalent. The idea of agricultural sustainability centers on the need to develop technologies and practices that do not have adverse effects on environmental goods and services, and that lead to improvements in food productivity. Here we show the extent to which 286 rece...
متن کاملEthnobotanical Importance of Orans - As a Means Of Conserving Biodiversity
Special sites or areas that have one or more attributes which distinguish them as somehow extraordinary, usually in a religious or spiritual sense, are called sacred places. They tend to evoke a feeling of some awesome, mysterious, and transcendent power that merits special reverence and treatment. Sacred groves are stands of trees or patches of forest that local communities conserve primarily ...
متن کاملFeeding performance by sympatric blue and fin whales exploiting a common prey resource
ARI S. FRIEDLAENDER, Marine Mammal Institute, Hatfield Marine Science Center, Oregon State University, 2035 Marine Science Drive, Newport, Oregon 97365, U.S.A. and Southall Environmental Associates, Inc. 9099 Soquel Drive, Suite 8, Aptos, California 95003, U.S.A.; JEREMY A. GOLDBOGEN, Department of Biology, Hopkins Marine Station, Stanford University, Pacific Grove, California 93950, U.S.A.; EL...
متن کاملZooarchaeology of a Focal Resource: Dietary Importance of Beluga Whales to the Precontact Mackenzie Inuit
Ethnohistoric records indicate that the economy of early historic Mackenzie Inuit was centred on the summer hunt for beluga whales (Delphinapterus leucas). However, no systematic attempt has been made to quantify the dietary importance of beluga whales to earlier, precontact-period Mackenzie Inuit societies. This issue is addressed herein through analysis of over 2000 beluga bones recovered fro...
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ژورنال
عنوان ژورنال: Nature
سال: 1974
ISSN: 0028-0836,1476-4687
DOI: 10.1038/251366a0