Search results
4 Results
Sorted by relevance
Report - Alternatives to fenthion for quelea bird control
… and, if so, there is a possibility that future progress in genetic manipulation might allow the introduction of lethal … UK. Jaeger, M.E. & Elliott, C.C.H. 1989. Quelea as a resource. In Bruggers, R.L. and Elliott, C.C.H. (eds.) Quelea … Quelea (Quelea Quelea) and use of the birds as a food resource. Unpublished M.Phil. thesis, University of …
The valuation of ecosystem services: Are the challenges too many to ensure the maintenance of ecosystem integrity?
… one enjoys from the pure knowledge that a natural resource exists. The method of valuation depends on the type … 2 Provisioning services includes food and fibre, fuel, genetic resources, biochemicals, natural medicines, and … 22 T. Tietenberg and L. Lewis, Environmental & Natural Resource Economics, 8th ed. (Pearson 2009) 24. The Challenges …
Evaluating effectiveness : A framework for assessing management effectiveness of protected areas
… management in a changing environment; assist in effective resource allocation; promote accountability and transparency; … or socially important species etc) Local population level Genetic level Landscape and geological Evidence of formation … Examples include micro-reserves to protect crop genetic diversity, sacred groves that also contain …