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Registro Completo |
Biblioteca(s): |
Embrapa Amazônia Oriental. |
Data corrente: |
25/01/2017 |
Data da última atualização: |
20/05/2022 |
Tipo da produção científica: |
Artigo em Periódico Indexado |
Autoria: |
SOLAR, R. R. de C.; BARLOW, J.; ANDERSEN, A. N.; SCHOEREDER, J. H.; BERENGUER, E.; FERREIRA, J. N.; GARDNER, T. A. |
Afiliação: |
Ricardo Ribeiro de Castro Solar, UFV / Lancaster University; Jos Barlow, Lancaster University / MPEG; Alan N. Andersen, CSIRO Land & Water; José H. Schoereder, UFV; Erika Berenguer, Lancaster University; JOICE NUNES FERREIRA, CPATU; Toby Alan Gardner, Stockholm Environment Institute. |
Título: |
Biodiversity consequences of land-use change and forest disturbance in the Amazon: A multi-scale assessment using ant communities. |
Ano de publicação: |
2016 |
Fonte/Imprenta: |
Biological Conservation, v. 197, p. 98-107, May 2016. |
Idioma: |
Inglês |
Conteúdo: |
Quantifying and understanding the main drivers of biodiversity responses to human disturbances at multiple scales is key to foster effective conservation plans and management systems. Here we report on detailed regional assessment of the response of ant communities to land-use change and forest disturbance in the Brazilian Amazon. We aimed to explore the effects of land-use intensification at both site and landscape scales, examining variation in ant species richness and composition, and asking which set of environmental variables best predict observed patterns of diversity. We sampled 192 sites distributed across 18 landscapes (each 50 km2) in Paragominas, eastern Brazilian Amazon, covering ca. 20,000 km2. We sampled from undisturbed primary forest through varyingly disturbed primary forests, secondary forests, pastures and mechanised agriculture, following a gradient of decreasing total aboveground biomass. Irrespective of forest disturbance class, ant species richness was almost twice as high in forests when compared to production areas. In contrast, ant species composition showed continuous variation from primary forest to intensive agriculture, following a gradient of aboveground biomass. Ant species richness at all spatial scales increased with primary forest cover in the surrounding landscapes. We highlight the limited value of species richness as an indicator of changes in habitat quality, reinforcing calls to consider species composition in assessments of forest disturbance. Taken together, our results reveal the unique biodiversity value of undisturbed primary forests, but also show that disturbed primary forests and secondary forests have high conservation value, and thus play an important role in regional conservation planning. MenosQuantifying and understanding the main drivers of biodiversity responses to human disturbances at multiple scales is key to foster effective conservation plans and management systems. Here we report on detailed regional assessment of the response of ant communities to land-use change and forest disturbance in the Brazilian Amazon. We aimed to explore the effects of land-use intensification at both site and landscape scales, examining variation in ant species richness and composition, and asking which set of environmental variables best predict observed patterns of diversity. We sampled 192 sites distributed across 18 landscapes (each 50 km2) in Paragominas, eastern Brazilian Amazon, covering ca. 20,000 km2. We sampled from undisturbed primary forest through varyingly disturbed primary forests, secondary forests, pastures and mechanised agriculture, following a gradient of decreasing total aboveground biomass. Irrespective of forest disturbance class, ant species richness was almost twice as high in forests when compared to production areas. In contrast, ant species composition showed continuous variation from primary forest to intensive agriculture, following a gradient of aboveground biomass. Ant species richness at all spatial scales increased with primary forest cover in the surrounding landscapes. We highlight the limited value of species richness as an indicator of changes in habitat quality, reinforcing calls to consider species composition in assessments of forest dis... Mostrar Tudo |
Thesagro: |
Biodiversidade; Conservação; Desmatamento; Floresta; Floresta Tropical. |
Thesaurus Nal: |
Amazonia. |
Categoria do assunto: |
K Ciência Florestal e Produtos de Origem Vegetal |
Marc: |
LEADER 02564naa a2200265 a 4500 001 2061806 005 2022-05-20 008 2016 bl uuuu u00u1 u #d 100 1 $aSOLAR, R. R. de C. 245 $aBiodiversity consequences of land-use change and forest disturbance in the Amazon$bA multi-scale assessment using ant communities.$h[electronic resource] 260 $c2016 520 $aQuantifying and understanding the main drivers of biodiversity responses to human disturbances at multiple scales is key to foster effective conservation plans and management systems. Here we report on detailed regional assessment of the response of ant communities to land-use change and forest disturbance in the Brazilian Amazon. We aimed to explore the effects of land-use intensification at both site and landscape scales, examining variation in ant species richness and composition, and asking which set of environmental variables best predict observed patterns of diversity. We sampled 192 sites distributed across 18 landscapes (each 50 km2) in Paragominas, eastern Brazilian Amazon, covering ca. 20,000 km2. We sampled from undisturbed primary forest through varyingly disturbed primary forests, secondary forests, pastures and mechanised agriculture, following a gradient of decreasing total aboveground biomass. Irrespective of forest disturbance class, ant species richness was almost twice as high in forests when compared to production areas. In contrast, ant species composition showed continuous variation from primary forest to intensive agriculture, following a gradient of aboveground biomass. Ant species richness at all spatial scales increased with primary forest cover in the surrounding landscapes. We highlight the limited value of species richness as an indicator of changes in habitat quality, reinforcing calls to consider species composition in assessments of forest disturbance. Taken together, our results reveal the unique biodiversity value of undisturbed primary forests, but also show that disturbed primary forests and secondary forests have high conservation value, and thus play an important role in regional conservation planning. 650 $aAmazonia 650 $aBiodiversidade 650 $aConservação 650 $aDesmatamento 650 $aFloresta 650 $aFloresta Tropical 700 1 $aBARLOW, J. 700 1 $aANDERSEN, A. N. 700 1 $aSCHOEREDER, J. H. 700 1 $aBERENGUER, E. 700 1 $aFERREIRA, J. N. 700 1 $aGARDNER, T. A. 773 $tBiological Conservation$gv. 197, p. 98-107, May 2016.
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Embrapa Amazônia Oriental (CPATU) |
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Biblioteca(s): |
Embrapa Mandioca e Fruticultura. |
Data corrente: |
27/12/2017 |
Data da última atualização: |
26/01/2018 |
Tipo da produção científica: |
Resumo em Anais de Congresso |
Autoria: |
KALILE, M. O.; RAGNI, M.; FANCELLI, M.; MAGALHÃES, D.; ROSA, M.; SILVA, J. N. da. |
Afiliação: |
MILENA OLIVEIRA KALILE, Universidade Estadual de Feira de Santana; MIRCO RAGNI, Universidade Estadual de Feira de Santana; MARILENE FANCELLI, CNPMF; DANIELA MAGALHÃES, Universidade Estadual de Feira de Santana; MANUELA ROSA, Universidade Federal do Recôncavo da Bahia; JAQUELINE NONATO DA SILVA, Universidade Federal do Recôncavo da Bahia. |
Título: |
Avaliação da atração de Diaphorina citri por diferentes frequências de radiação eletromagnética |
Ano de publicação: |
2017 |
Fonte/Imprenta: |
In: JORNADA CIENTÍFICA EMBRAPA MANDIOCA E FRUTICULTURA, 17., 2017 Ciência e Empreendedorismo : resumos. Cruz das Almas, BA: Embrapa Mandioca e Fruticultura, 2017. 137p. |
Páginas: |
1p. |
Idioma: |
Português |
Notas: |
Manejo das principais doenças e insetos-praga |
Palavras-Chave: |
Citros. |
Categoria do assunto: |
-- |
URL: |
https://ainfo.cnptia.embrapa.br/digital/bitstream/item/169932/1/MDP-A6-144-17-V02-Aprovado.pdf
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Marc: |
LEADER 00737nam a2200193 a 4500 001 2083722 005 2018-01-26 008 2017 bl uuuu u00u1 u #d 100 1 $aKALILE, M. O. 245 $aAvaliação da atração de Diaphorina citri por diferentes frequências de radiação eletromagnética$h[electronic resource] 260 $aIn: JORNADA CIENTÍFICA EMBRAPA MANDIOCA E FRUTICULTURA, 17., 2017 Ciência e Empreendedorismo : resumos. Cruz das Almas, BA: Embrapa Mandioca e Fruticultura, 2017. 137p.$c2017 300 $a1p. 500 $aManejo das principais doenças e insetos-praga 653 $aCitros 700 1 $aRAGNI, M. 700 1 $aFANCELLI, M. 700 1 $aMAGALHÃES, D. 700 1 $aROSA, M. 700 1 $aSILVA, J. N. da
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