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Farms as ecosystems
(University Extension Press, University of Saskatchewan, Saskatoon, 1999)
Organic farming provides ecosystem services as well as food. The weakest points of organic farming systems are limited use of livestock and declining genetic resources. Organic farming has special research and service ...
Variation in milk production and lactation performance in grey seals and consequences for pup growth and weaning characteristics
Phocid seals are one of the few groups of mammals capable of sustaining the energetic demands of lactation entirely through body nutrient stores while fasting. Lactation performance of the female in turn influences the ...
The cost of compensation
No abstract available.