Economic and biological analysis to aid system planning for salmon recovery in the Columbia River Basin

Article Abstract:

The construction of hydroelectric dams and other man-made structures have adversely affected salmon populations in the Columbia River Basin. Moreover, an analysis of existing and past strategies to sustain salmon populations revealed that most of these strategies have failed to meet their goals. Based on the findings of the analysis, it is recommended that all aspects of the salmon life-cycle should be taken into consideration in formulating cost-effective strategies to sustain salmon runs in the area.

Research, Protection and preservation, Fishery conservation, Salmon, Columbia River

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Changes in soil characteristics and plant species composition along a moisture gradient in a Mediterranean pasture

Article Abstract:

A study is conducted to analyze the physicochemical characteristics of soil in Mediterranean area. The study also examines various plant species composition in given area.

Usage, Soil research, Mediterranean region, Soil biology

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Identification of birds as biological markers along a neotropical urban-rural gradient (Cayenne, French Guiana), using co-inertia analysis

Article Abstract:

The identification of certain bird species as biological markers in the complex habitat of the tropical city of Cayenne (French Guyana) is discussed.

Birds

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