2010
DOI: 10.1590/s0103-40142010000100012
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Políticas de conservação e critérios ambientais: princípios, conceitos e protocolos

Abstract: São discutidos conceitos fundamentais à elaboração de políticas ambientais cientificamente embasadas e, portanto, consistentes e eficazes, como o de biodiversidade (baseado na noção de variedade), conservação, resiliência de ecossistemas, fragilidade e perturbação, efeitos acumulativos e princípio da precaução. São analisados os dois principais instrumentos que vêm sendo considerados nesse âmbito, quais sejam as áreas prioritárias para conservação da biodiversidade e as listas de espécies ameaçadas de extinção… Show more

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Cited by 30 publications
(22 citation statements)
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“…It is noteworthy that in these studies it was necessary at least four sampling occasions to reach that richness of opilionids and other species records, which indicates that the number of samplings is directed related to the diversity. Gallão and Bichuette (2015) show that even after six sampling occasions, species were added in their samplings, which highlights the inefficiency of Brazilian laws that demand only two sampling occasions (Trajano, 2010;Gallão and Bichuette, 2015). Besides, the high richness of opilionids in Riacho Subterrâneo cave likely is related to vegetation surrounding, which is remaining of Atlantic Rainforest.…”
Section: Discussionmentioning
confidence: 98%
“…It is noteworthy that in these studies it was necessary at least four sampling occasions to reach that richness of opilionids and other species records, which indicates that the number of samplings is directed related to the diversity. Gallão and Bichuette (2015) show that even after six sampling occasions, species were added in their samplings, which highlights the inefficiency of Brazilian laws that demand only two sampling occasions (Trajano, 2010;Gallão and Bichuette, 2015). Besides, the high richness of opilionids in Riacho Subterrâneo cave likely is related to vegetation surrounding, which is remaining of Atlantic Rainforest.…”
Section: Discussionmentioning
confidence: 98%
“…Em um sistema relativamente estável, com flutuações perió-dicas regulares, adaptações cronobiológicas podem ser previstas, sempre a partir de estudos em escalas temporais abrangendo pelo menos três vezes o período de interesse (Trajano, 2010). Adicionalmente, variações irregulares, não-periódicas, podem superpor-se às anteriores, dificultando ainda mais a detecção de padrões.…”
Section: Padrões Cíclicos No Meio Subterrâneounclassified
“…Tais constatações influenciam na qualidade dos estudos e, consequentemente, acarretam prejuízo para a conservação das espécies (PRIMACK, 2001;TRAJANO, 2010).…”
Section: Identificação De Impactos à Faunaunclassified