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External Effects of Mitigating Measures to Reduce Large Carnivore Predation on Sheep AgEcon
Asheim, Leif Jarle; Mysterud, Ivar.
Outfield range pastures with widely dispersed sheep are quite common in Norway, with a summer population of approximately 2.4 million animals. In many areas losses to predators are considerable and identifying efficient mitigating measures against predation is a prime target in nature management. In order to assess economic efficiency, any actual effect of the measure on predation and loss regime must be addressed. One problem with some research is the "scale problem". While sheep outfield home range areas have been measured from 2.2 - 33.8 km2, large carnivores on their ranges might use from several hundred up to even thousands of square kilometres. For lynx (Lynx lynx) the home range varies between 158 and 433 km2, wolverine (Gulo gulo) between 61 and...
Tipo: Conference Paper or Presentation Palavras-chave: Carnivores; External effects; Home range areas; Livestock guard dogs; Predation; Preventive methods; Sheep losses.; Livestock Production/Industries.
Ano: 2003 URL: http://purl.umn.edu/24342
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AGRI-PRODUCT EVALUATION AND BIODIVERSITY MEASUREMENT AgEcon
Kovacs, Szilvia.
This paper is meant to be the first part of a two part unit that will be published next. The objective of this paper is to be an introduction of agri-product evaluation, within which a short summary of essentials of diversity measurement is given and to share experience on evaluation of environmental friendly agri-product. For biodiversity measurement and extern effects, literature of related publications was processed and experience gained over experimental projects on environmental-friendly technologies was summed up. Methods applied were based on influence-response approach which guided us all through the research work. It can be stated that one diversity measure or one diversity function fails to describe communities of living beings; therefore, at...
Tipo: Journal Article Palavras-chave: Biodiversity measurement; Agri-product; External effects; Influence-response; Agribusiness.
Ano: 2011 URL: http://purl.umn.edu/104648
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Internationaler Handel und multifunktionale Landwirtschaft : Ein Agrarsektormodell zur Analyse Politischer Optionen und Entscheidungsunterstutzung AgEcon
Weber, Gerald.
Tipo: Working or Discussion Paper Palavras-chave: Agricultural sector; Policy analysis; Agricultural trade; Multifunctionality; External effects; Taxes; Subsidies; Sector modeling; International Relations/Trade; C61; C69; D62; H23; H41; Q71; Q18.
Ano: 2003 URL: http://purl.umn.edu/18824
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