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Importância ecológica e ambiental das minhocas

Environmental and ecological importance of earthworms
Authors: Steffen,Gerusa Pauli Kist; Antoniolli,Zaida Inês; Steffen,Ricardo Bemfica; Jacques,Rodrigo Josemar Seminoti;

Importância ecológica e ambiental das minhocas

Abstract

As minhocas correspondem a um dos principais grupos de organismos edáficos atuantes nos processos de movimenta­ção de partículas e ciclagem de nutrientes. Este trabalho tem como objetivos discutir a importância das minhocas para a melhoria e manutenção da sustentabilidade dos agroecossistemas, salientando as formas de avaliação da comunidade de minhocas no solo e sua utilização como ferramenta em avaliações ambientais. Através da constante movimentação e atividade de ingestão de solo e resíduos orgânicos, constroem galerias que contribuem com o aumento da aeração e da taxa de infiltração de água no solo. A liberação de excrementos na superfície e no interior do solo modifica positiva­mente sua estrutura e fertilidade. A densidade e diversidade de minhocas em agroecossistemas pode ser determinada por diferentes métodos de extração. Algumas espécies de minhocas, por apresentarem sensibilidade a alterações de uso e manejo do solo, são excelentes bioindicadoras ambientais, representando importante ferramenta para avaliação de impactos em ecossistemas.

Revista de Ciências Agrárias, vol. 36 n.º 2 (2013)

Related Organizations
Keywords

Agroecossistemas, oligochaetas, sustentabilidade

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
2
Average
Average
Average
Green