The earthworm fauna of regenerating forests and anthropogenic habitats in the coastal region of Paraná

Detalhes bibliográficos
Autor(a) principal: Roembke, Joerg
Data de Publicação: 2010
Outros Autores: Schmidt, Petra, Hofer, Hubert
Tipo de documento: Artigo
Idioma: por
Título da fonte: Pesquisa Agropecuária Brasileira (Online)
Texto Completo: https://seer.sct.embrapa.br/index.php/pab/article/view/1575
Resumo: The aim of this study was to evaluate abundance, biomass and diversity of earthworms in the southern coast region of the Mata AtlÔntica biodiversity hotspot. Aátotal of 51ástudy sites in pastures, banana monocultures, mixed agroforestry systems, secondary forests in succession and old-growth forests near the coast of Paranß, Brazil, were evaluated. Each site was sampled once. Species richness of the earthworms was generally low and varied little between sites. At all sites except for one, the peregrine species Pontoscolex corethrurus (Glossoscolecidae) strongly dominated. Three other peregrine species, Amynthas corticis, Amynthas gracilis (Megascolecidae) and Ocnerodrilus occidentalis (Ocnerodrilidae), were frequent in moist sites. No autochthonous species were found. Abundance and biomass of earthworms varied strongly within and between sites (0–338 individuals m-2, 0–96 g m-² fresh weight). Pastures had significantly lower abundance than all other sites. The forest sites had similar earthworm abundance and biomass, with a tendency to be higher in younger succession stages. The coastal plain region has been strongly altered by human activities. Reasons for the lack of any autochthonous species and the dominance of one peregrine species require further investigation.
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spelling The earthworm fauna of regenerating forests and anthropogenic habitats in the coastal region of ParanáThe earthworm fauna of forests and anthropogenic habitats in the coastal region of Paraná (southern Mata Atlântica), an example of sincere biodiversity reductionA fauna de minhocas em florestas em regeneração e habitats antropogênicos na região costeira do ParanáPontoscolex corethrurus; Atlantic Forest; biodiversity; Oligochaeta; peregrine species; secondary forestAtlantic Rain Forest, earthworms, peregrine species, secondary forestsPontoscolex corethrurus; Mata Atlântica; biodiversidade; Oligochaeta; espécies peregrinas; floresta secundáriaThe aim of this study was to evaluate abundance, biomass and diversity of earthworms in the southern coast region of the Mata AtlÔntica biodiversity hotspot. Aátotal of 51ástudy sites in pastures, banana monocultures, mixed agroforestry systems, secondary forests in succession and old-growth forests near the coast of Paranß, Brazil, were evaluated. Each site was sampled once. Species richness of the earthworms was generally low and varied little between sites. At all sites except for one, the peregrine species Pontoscolex corethrurus (Glossoscolecidae) strongly dominated. Three other peregrine species, Amynthas corticis, Amynthas gracilis (Megascolecidae) and Ocnerodrilus occidentalis (Ocnerodrilidae), were frequent in moist sites. No autochthonous species were found. Abundance and biomass of earthworms varied strongly within and between sites (0–338 individuals m-2, 0–96 g m-² fresh weight). Pastures had significantly lower abundance than all other sites. The forest sites had similar earthworm abundance and biomass, with a tendency to be higher in younger succession stages. The coastal plain region has been strongly altered by human activities. Reasons for the lack of any autochthonous species and the dominance of one peregrine species require further investigation.As part of the German-Brazilian research project SOLOBIOMA earthworms were sampled at 51 sites in the southern Atlantic forest of Brazil. Aims of the study were to enhance knowledge of the earthworm fauna in the “biodiversity hotspot” Mata Atlântica and to evaluate abundance, biomass and diversity of earthworms with regard to the biological quality of sites. Study sites were pastures, banana monocultures, agroforestry systems, secondary forests in succession and old-growth forests near the coast of Paraná. Each site was sampled once. Species richness of the earthworms was generally low. At all except one sites Pontoscolex corethrurus (Glossoscolecidae), a peregrine species, strongly dominated. Two other peregrine species Amynthas sp. (Megascolecidae) and Ocnerodrilus occidentalis (Ocnerodrilidae) were frequent in moist sites. No autochthonous species was sampled. Abundance and biomass of earthworms varied strongly within and between sites (0 - 338 ind m-2, 0 - 70 g fresh weight (FW) m-²). Pastures did differ significantly from all other sites. All forest sites showed a surprisingly similar earthworm fauna in terms of abundance and also biomass. Abundance and biomass were higher in the younger succession stages than in the older ones. The results indicate that the whole region has since a long time been strongly altered by man. For unknown reasons all autochthonous species had disappeared and been replaced by the peregrine species Pontoscolex corethrurus. By its high abundance and biomass this species determines the decomposition and nutrient cycles, but nothing is known about the long-term effect of such a biodiversity reduction on ecosystem services. Index terms: Atlantic Rain Forest, earthworms, peregrine species, secondary forestsO objetivo deste estudo foi avaliar a abundância, a biomassa e a diversidade de minhocas, na região costeira sul do "hotspot" de biodiversidade Mata Atlântica. Um total de 51 locais foram avaliados em pastagens, monoculturas de banana e sistemas agroflorestais de banana com palmito e florestas secundárias próximos à costa do Estado do Paraná. Cada local foi amostrado apenas uma vez. A riqueza de espécies de minhocas, de modo geral, foi baixa e variou pouco entre os locais. Em todos os locais, exceto um, predominou a espécie peregrina Pontoscolex corethrurus (Glossoscolecidae). Não foram encontradas espécies nativas em nenhum local. Três outras espécies peregrinas, Amynthas corticis, Amynthas gracilis (Megascolecidae) e Ocnerodrilus occidentalis (Ocnerodrilidae), foram frequentes em locais úmidos. A abundância e a biomassa das minhocas variaram muito, dentro e entre os sítios amostrais (0-338 indivíduos m-2, 0–96 g m-2 de massa fresca). Nas pastagens, observou-se menor abundância do que nos demais ecossistemas. As florestas apresentaram abundância e biomassa similares, sendo que estágios mais jovens da regeneração apresentaram abundância e biomassa mais alta. A planície litorânea já foi fortemente alterada por atividades antrópicas. As razões da falta de espécies nativas e da predominância de uma espécie peregrina, na região, necessitam ser mais pesquisadas.Pesquisa Agropecuaria BrasileiraPesquisa Agropecuária BrasileiraGerman Federal Ministry of Education and Research (BMBFProject 01LB0201) and the Brazilian National Council for Scientific and Technological Development (CNPqProc. 590042/2006-8) within the Brazilian-German Mata Atlântica programRoembke, JoergSchmidt, PetraHofer, Hubert2010-12-03info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersionapplication/pdfhttps://seer.sct.embrapa.br/index.php/pab/article/view/1575Pesquisa Agropecuaria Brasileira; v.44, n.8, ago. 2009: Thematic Issue XV International Colloquium on Soil Zoology and XX Colloquium on Apterygota; 1040-1049Pesquisa Agropecuária Brasileira; v.44, n.8, ago. 2009: Thematic Issue XV International Colloquium on Soil Zoology and XX Colloquium on Apterygota; 1040-10491678-39210100-104xreponame:Pesquisa Agropecuária Brasileira (Online)instname:Empresa Brasileira de Pesquisa Agropecuária (Embrapa)instacron:EMBRAPAporhttps://seer.sct.embrapa.br/index.php/pab/article/view/1575/5855https://seer.sct.embrapa.br/index.php/pab/article/downloadSuppFile/1575/1049https://seer.sct.embrapa.br/index.php/pab/article/downloadSuppFile/1575/1050https://seer.sct.embrapa.br/index.php/pab/article/downloadSuppFile/1575/1051https://seer.sct.embrapa.br/index.php/pab/article/downloadSuppFile/1575/1052https://seer.sct.embrapa.br/index.php/pab/article/downloadSuppFile/1575/1053https://seer.sct.embrapa.br/index.php/pab/article/downloadSuppFile/1575/1054https://seer.sct.embrapa.br/index.php/pab/article/downloadSuppFile/1575/1055https://seer.sct.embrapa.br/index.php/pab/article/downloadSuppFile/1575/2337info:eu-repo/semantics/openAccess2012-06-17T11:52:08Zoai:ojs.seer.sct.embrapa.br:article/1575Revistahttp://seer.sct.embrapa.br/index.php/pabPRIhttps://old.scielo.br/oai/scielo-oai.phppab@sct.embrapa.br || sct.pab@embrapa.br1678-39210100-204Xopendoar:2012-06-17T11:52:08Pesquisa Agropecuária Brasileira (Online) - Empresa Brasileira de Pesquisa Agropecuária (Embrapa)false
dc.title.none.fl_str_mv The earthworm fauna of regenerating forests and anthropogenic habitats in the coastal region of Paraná
The earthworm fauna of forests and anthropogenic habitats in the coastal region of Paraná (southern Mata Atlântica), an example of sincere biodiversity reduction
A fauna de minhocas em florestas em regeneração e habitats antropogênicos na região costeira do Paraná
title The earthworm fauna of regenerating forests and anthropogenic habitats in the coastal region of Paraná
spellingShingle The earthworm fauna of regenerating forests and anthropogenic habitats in the coastal region of Paraná
Roembke, Joerg
Pontoscolex corethrurus; Atlantic Forest; biodiversity; Oligochaeta; peregrine species; secondary forest
Atlantic Rain Forest, earthworms, peregrine species, secondary forests
Pontoscolex corethrurus; Mata Atlântica; biodiversidade; Oligochaeta; espécies peregrinas; floresta secundária
title_short The earthworm fauna of regenerating forests and anthropogenic habitats in the coastal region of Paraná
title_full The earthworm fauna of regenerating forests and anthropogenic habitats in the coastal region of Paraná
title_fullStr The earthworm fauna of regenerating forests and anthropogenic habitats in the coastal region of Paraná
title_full_unstemmed The earthworm fauna of regenerating forests and anthropogenic habitats in the coastal region of Paraná
title_sort The earthworm fauna of regenerating forests and anthropogenic habitats in the coastal region of Paraná
author Roembke, Joerg
author_facet Roembke, Joerg
Schmidt, Petra
Hofer, Hubert
author_role author
author2 Schmidt, Petra
Hofer, Hubert
author2_role author
author
dc.contributor.none.fl_str_mv
German Federal Ministry of Education and Research (BMBF
Project 01LB0201) and the Brazilian National Council for Scientific and Technological Development (CNPq
Proc. 590042/2006-8) within the Brazilian-German Mata Atlântica program

dc.contributor.author.fl_str_mv Roembke, Joerg
Schmidt, Petra
Hofer, Hubert
dc.subject.por.fl_str_mv Pontoscolex corethrurus; Atlantic Forest; biodiversity; Oligochaeta; peregrine species; secondary forest
Atlantic Rain Forest, earthworms, peregrine species, secondary forests
Pontoscolex corethrurus; Mata Atlântica; biodiversidade; Oligochaeta; espécies peregrinas; floresta secundária
topic Pontoscolex corethrurus; Atlantic Forest; biodiversity; Oligochaeta; peregrine species; secondary forest
Atlantic Rain Forest, earthworms, peregrine species, secondary forests
Pontoscolex corethrurus; Mata Atlântica; biodiversidade; Oligochaeta; espécies peregrinas; floresta secundária
description The aim of this study was to evaluate abundance, biomass and diversity of earthworms in the southern coast region of the Mata AtlÔntica biodiversity hotspot. Aátotal of 51ástudy sites in pastures, banana monocultures, mixed agroforestry systems, secondary forests in succession and old-growth forests near the coast of Paranß, Brazil, were evaluated. Each site was sampled once. Species richness of the earthworms was generally low and varied little between sites. At all sites except for one, the peregrine species Pontoscolex corethrurus (Glossoscolecidae) strongly dominated. Three other peregrine species, Amynthas corticis, Amynthas gracilis (Megascolecidae) and Ocnerodrilus occidentalis (Ocnerodrilidae), were frequent in moist sites. No autochthonous species were found. Abundance and biomass of earthworms varied strongly within and between sites (0–338 individuals m-2, 0–96 g m-² fresh weight). Pastures had significantly lower abundance than all other sites. The forest sites had similar earthworm abundance and biomass, with a tendency to be higher in younger succession stages. The coastal plain region has been strongly altered by human activities. Reasons for the lack of any autochthonous species and the dominance of one peregrine species require further investigation.
publishDate 2010
dc.date.none.fl_str_mv 2010-12-03
dc.type.none.fl_str_mv
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language por
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Pesquisa Agropecuária Brasileira
publisher.none.fl_str_mv Pesquisa Agropecuaria Brasileira
Pesquisa Agropecuária Brasileira
dc.source.none.fl_str_mv Pesquisa Agropecuaria Brasileira; v.44, n.8, ago. 2009: Thematic Issue XV International Colloquium on Soil Zoology and XX Colloquium on Apterygota; 1040-1049
Pesquisa Agropecuária Brasileira; v.44, n.8, ago. 2009: Thematic Issue XV International Colloquium on Soil Zoology and XX Colloquium on Apterygota; 1040-1049
1678-3921
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