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Efficient Conservation in a Utility-Maximization Framework Ecology and Society
Davis, Frank W; University of California; fd@bren.ucsb.edu; Costello, Christopher; University of California; costello@bren.ucsb.edu; Stoms, David; University of California; stoms@bren.ucsb.edu.
Systematic planning for biodiversity conservation is being conducted at scales ranging from global to national to regional. The prevailing planning paradigm is to identify the minimum land allocations needed to reach specified conservation targets or maximize the amount of conservation accomplished under an area or budget constraint. We propose a more general formulation for setting conservation priorities that involves goal setting, assessing the current conservation system, developing a scenario of future biodiversity given the current conservation system, and allocating available conservation funds to alter that scenario so as to maximize future biodiversity. Under this new formulation for setting conservation priorities, the value of a site depends on...
Tipo: Peer-Reviewed Reports Palavras-chave: Biodiversity; Sierra Nevada; California; Conservation; Cost-effectiveness; Irreplaceability; Planning; Retention; Scenario.
Ano: 2006
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Light and temperature effects on seed germination of four native species of Mediterranean high mountains(Spain) Phyton
Serrano-Bernardo,F; Rosúa,JL; Díaz-Miguel,M.
The Mediterranean region is considered one of the most important zones worldwide in terms of plant diversity. Sierra Nevada (S Spain) is a unique mountain massif within the high-mountain systems of the Mediterranean. It is of great floristic importance and very rich in endemic species. However, it requires numerous tasks for restoring plant cover due to the constant anthropic degradation, especially because of the ski station located near the second-highest peak of the mountain. One of the restoration efforts consists of trying to reproduce, in the laboratory, the ideal conditions to pre-germinate seeds of some of the species most threatened by these perturbations. This is to transplant the seedlings afterwards in the mountain, thereby contributing to the...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Germination; Plant-cover restoration; Mediterranean high mountains; Sierra Nevada; Light; Temperature.
Ano: 2007 URL: http://www.scielo.org.ar/scielo.php?script=sci_arttext&pid=S1851-56572007000100003
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