Underground Natural Cavities
Mostrando 1-4 de 4 artigos, teses e dissertações.
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1. A new technique in the excavation of ground-nest bee burrows (Hymenoptera: Apoidea)
ABSTRACT Bees have a diversified natural history, thus the methods applied to study such diversity are varied. When it comes to studies of nesting biology, bees which nest in pre-existing cavities have been reasonably well studied since researchers started using trap-nests. However, bees whose nests are built underground are poorly studied due to the difficu
Rev. Bras. entomol.. Publicado em: 2018-01
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2. Analysis of the economic feasibility of a mining project due to the presence of natural underground cavities
The legislation for the protection and conservation of caves is recent in Brazil. In 2008, the Decree 6.640 was enacted and in 2009, the Normative Instruction Nº 2 by the Brazilian Environment Ministry (MMA, Portuguese acronyms) was published. Mining operations cause a significant impact on the caves when they are present in or next to the mineral body. The
Rem: Rev. Esc. Minas. Publicado em: 2015-09
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3. Critérios de relevância para classificação de cavernas no Brasil
What is the scientific basis used for the classification of caves in Brazil? Are the attributes identified today and the aspects evaluated sufficient to classify natural underground cavities? To answer these questions, 1,169 caves were selected as a sample of the universe of 6,522 natural underground cavities known and registered in Brazil. A questionnaire w
Publicado em: 2008
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4. Cavidades naturais subterâneas, patrimônio espeleológico e ambiente cárstico: proteção e implicações jurídicas
Essa dissertação de mestrado tem por objetivo tecer um diagnóstico da proteção jurídica atual conferida às cavidades naturais subterrâneas, ao patrimônio espeleológico e ao ambiente cárstico brasileiro, mediante a aplicação dos princípios, diretrizes e conceitos do Direito Ambiental e da interpretação teleológica e sistemática do ordenament
Publicado em: 2006