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Analysis of the technical quality of environmental impact studies done on the Atlantic Rain Forest of Santa Catarina: a faunistic approach

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Author(s): Marinez Scherer

Journal: Biotemas
ISSN 0103-1643

Volume: 24;
Issue: 4;
Start page: 171;
Date: 2011;
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Keywords: Ecological interactions | Environmental Impact Assessment | Indicators | Fauna

ABSTRACT
Alterations in components of an ecosystem might modify ecological interactions, which are sometimes irreversible, and could cause a loss in biodiversity. In order to control ecosystem alterations caused by human activity, public policies and control tools, such as environmental licenses, have been developed. This work carried out a critical analysis of aspects related to the fauna from fi ve Environmental Impact Assessments (EIAs) prepared in the context of the Atlantic Rain Forest biome. The following deficiencies were found in the studies analyzed: (i) absence of information about terrestrial invertebrates; (ii) absence of identification of reproduction and feeding areas; (iii) superficial identification of migration and behavior aspects; (iv) superficial characterization of ecological interactions; (v) absence of identification of community structure and key-species; and (vi) absence of the identification of bioindicators. The EIAs did not adequately diagnose the biological system in order to point out subsequent impacts. Similarly, the environmental impact evaluations did not relate ecological interactions with the human activities that were planned in the development proposals. Therefore the ecological aspects of the EIAs in Santa Catarina could be (and should be) substantially improved in order to provide more accurate data during the decision-making process.
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