Topiltzin Contreras-MacBeath

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Humans depend on biodiversity in myriad ways, yet species are being rapidly lost due to human activities. The ecosystem services approach to conservation tries to establish the value that society derives from the natural world such that the true cost of proposed development actions becomes apparent to decision makers. Species are an integral component of(More)
The alteration of aquatic ecosystems and increasing aquarium fish trade with exotic species is promoting the presence and invasion of these species in large river systems, with the consequent loss of native biodiversity and the homogenization of aquatic systems. The Chontalcuatlan-Amacuzac hydrological system belonging to the biogeographical province of the(More)
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