Extent of nontimber resource extraction in tropical forests: Accessibility to game vertebrates by hunters in the Amazon basin

Article Abstract:

A basin-wide geographic information system analysis of the nonmotorized accessibility of Amazonian nontimber forest product (NTFP) extraction was conducted and estimated the proportion of the Amazon drainage basin within Brazil that can be accessed on foot from the nearest navigable river or functional road. The concept of truly undisturbed wildlands in the last major tropical forest regions by distinguishing potentially overharvested areas from those that remain largely or entirely pristine and that maintain viable populations of a full complement of harvest-sensitive species is discussed.

Protection and preservation, Amazon River region, Logging, Rain forests, Game and game-birds, Game animals, Big game animals

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Using phylogenetic diversity measures to set priorities in conservation: An example from southern South America

Article Abstract:

Phylogenetic diversity measures ranks is used to consider factors that can provide additional taxic information such as taxa richness, taxa distributional patterns, area endemicity and complimentary between areas. The use of complementarity allows for preservation of the maximum quantity of taxa in minimal number of protected areas and an example from South America justifies the studies.

Cladistic analysis, Conservation biology

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A Freshwater Classification Approach for Biodiversity Conservation Planning

Article Abstract:

A spatially hierarchical method for classifying freshwater systems is presented which targets biodiversity levels. The method results in a comprehensive spatial inventory of classified and mapped units and can be utilized remotely to delineate aquatic ecosystem regional patterns. Application examples include the Paraguay River and Columbia River Basin regions.

Science & research, North America, Research, Methods, Models, Measurement, Comparative analysis, Biological diversity, Biodiversity, Freshwater ecology, Spatial analysis (Statistics), Columbia River Gorge, Paraguay River

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