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Registro Completo |
Biblioteca(s): |
Embrapa Amazônia Oriental. |
Data corrente: |
10/11/2021 |
Data da última atualização: |
10/11/2021 |
Tipo da produção científica: |
Artigo em Periódico Indexado |
Autoria: |
BOURGOIN, C.; BETBEDER, J.; LE ROUX, R.; GOND, V.; OSZWALD, J.; ARVOR, D.; BAUDRY, J.; BOUSSARD, H.; LE CLECH, S.; FREITAS, L. J. M. de; DESSARD, H.; LÄDERACH, P.; REYMONDIN, L.; BLANC, L. |
Afiliação: |
CLÉMENT BOURGOIN, CIRAD / CIAT; JULIE BETBEDER, CIRAD / CATIE; RENAN LE ROUX, CIRAD; VALÉRY GOND, CIRAD; JOHAN OSZWALD, Université Rennes 2; DAMIEN ARVOR, Université Rennes 2; JACQUES BAUDRY, BAGAP, INRAE, Institut Agro; HUGUES BOUSSARD, BAGAP, INRAE, Institut Agro; SOLEN LE CLECH, Wageningen University and Research; LUCAS JOSE MAZZEI DE FREITAS, CPATU; HÉLÈNE DESSARD, CIRAD; PETER LÄDERACH, CIAT; LOUIS REYMONDIN, CIAT; LILIAN BLANC, CIRAD. |
Título: |
Looking beyond forest cover: an analysis of landscape-scale predictors of forest degradation in the Brazilian Amazon. |
Ano de publicação: |
2021 |
Fonte/Imprenta: |
Environmental Research Letters, v. 16, n. 11, 114045, Nov. 2021. |
DOI: |
https://doi.org/10.1088/1748-9326/ac31eb |
Idioma: |
Inglês |
Conteúdo: |
While forest degradation rates and extent exceed deforestation in the Brazilian Amazon, less attention is given to the factors controlling its spatial distribution. No quantified correlation exists between changes of forest structure due to anthropogenic disturbances and dynamics of land use and cover change occurring at broader spatial levels. This study examines the influence of multi-scale landscape structure factors (i.e. spatial composition, configuration and dynamic of land use/cover) on primary forest's aboveground biomass (AGB), spanning from low to highly degraded, in Paragominas municipality (Pará state). We used random forest models to identify the most important landscape predictors of degradation and clustering methods to analyze their distribution and interactions. We found that 58% of the variance of AGB could be explained by metrics reflecting land use practices and agricultural dynamics around primary forest patches and that their spatial patterns were not randomly distributed. Forest degradation is mainly driven by fragmentation effects resulting from old deforestation and colonization events linked with cropland expansion (e.g. soybean and maize) coupled with high accessibility to market. To a lesser extent, degradation is driven by recent and ongoing (1985?2015) deforestation and fragmentation in slash-and-burn agricultural areas, characterized by heterogeneous mosaics of pastures and fallow lands combined with high use of fire. Our findings highlight the potential of landscape-level framework and remotely sensed land cover data for a thorough understanding of the distribution of forest degradation across human-modified landscapes. Addressing these spatial determinants by looking at agricultural dynamics beyond forest cover is necessary to improve forest management which has major implications for biodiversity, carbon and other ecosystem services. MenosWhile forest degradation rates and extent exceed deforestation in the Brazilian Amazon, less attention is given to the factors controlling its spatial distribution. No quantified correlation exists between changes of forest structure due to anthropogenic disturbances and dynamics of land use and cover change occurring at broader spatial levels. This study examines the influence of multi-scale landscape structure factors (i.e. spatial composition, configuration and dynamic of land use/cover) on primary forest's aboveground biomass (AGB), spanning from low to highly degraded, in Paragominas municipality (Pará state). We used random forest models to identify the most important landscape predictors of degradation and clustering methods to analyze their distribution and interactions. We found that 58% of the variance of AGB could be explained by metrics reflecting land use practices and agricultural dynamics around primary forest patches and that their spatial patterns were not randomly distributed. Forest degradation is mainly driven by fragmentation effects resulting from old deforestation and colonization events linked with cropland expansion (e.g. soybean and maize) coupled with high accessibility to market. To a lesser extent, degradation is driven by recent and ongoing (1985?2015) deforestation and fragmentation in slash-and-burn agricultural areas, characterized by heterogeneous mosaics of pastures and fallow lands combined with high use of fire. Our findings highlight the... Mostrar Tudo |
Thesagro: |
Degradação Ambiental; Sensoriamento Remoto; Uso da Terra. |
Categoria do assunto: |
K Ciência Florestal e Produtos de Origem Vegetal |
URL: |
https://ainfo.cnptia.embrapa.br/digital/bitstream/item/227627/1/Bourgoin-2021-Environ.-Res.-Lett.-16-114045.pdf
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Marc: |
LEADER 02866naa a2200325 a 4500 001 2135995 005 2021-11-10 008 2021 bl uuuu u00u1 u #d 024 7 $ahttps://doi.org/10.1088/1748-9326/ac31eb$2DOI 100 1 $aBOURGOIN, C. 245 $aLooking beyond forest cover$ban analysis of landscape-scale predictors of forest degradation in the Brazilian Amazon.$h[electronic resource] 260 $c2021 520 $aWhile forest degradation rates and extent exceed deforestation in the Brazilian Amazon, less attention is given to the factors controlling its spatial distribution. No quantified correlation exists between changes of forest structure due to anthropogenic disturbances and dynamics of land use and cover change occurring at broader spatial levels. This study examines the influence of multi-scale landscape structure factors (i.e. spatial composition, configuration and dynamic of land use/cover) on primary forest's aboveground biomass (AGB), spanning from low to highly degraded, in Paragominas municipality (Pará state). We used random forest models to identify the most important landscape predictors of degradation and clustering methods to analyze their distribution and interactions. We found that 58% of the variance of AGB could be explained by metrics reflecting land use practices and agricultural dynamics around primary forest patches and that their spatial patterns were not randomly distributed. Forest degradation is mainly driven by fragmentation effects resulting from old deforestation and colonization events linked with cropland expansion (e.g. soybean and maize) coupled with high accessibility to market. To a lesser extent, degradation is driven by recent and ongoing (1985?2015) deforestation and fragmentation in slash-and-burn agricultural areas, characterized by heterogeneous mosaics of pastures and fallow lands combined with high use of fire. Our findings highlight the potential of landscape-level framework and remotely sensed land cover data for a thorough understanding of the distribution of forest degradation across human-modified landscapes. Addressing these spatial determinants by looking at agricultural dynamics beyond forest cover is necessary to improve forest management which has major implications for biodiversity, carbon and other ecosystem services. 650 $aDegradação Ambiental 650 $aSensoriamento Remoto 650 $aUso da Terra 700 1 $aBETBEDER, J. 700 1 $aLE ROUX, R. 700 1 $aGOND, V. 700 1 $aOSZWALD, J. 700 1 $aARVOR, D. 700 1 $aBAUDRY, J. 700 1 $aBOUSSARD, H. 700 1 $aLE CLECH, S. 700 1 $aFREITAS, L. J. M. de 700 1 $aDESSARD, H. 700 1 $aLÄDERACH, P. 700 1 $aREYMONDIN, L. 700 1 $aBLANC, L. 773 $tEnvironmental Research Letters$gv. 16, n. 11, 114045, Nov. 2021.
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Registro original: |
Embrapa Amazônia Oriental (CPATU) |
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| Acesso ao texto completo restrito à biblioteca da Embrapa Caprinos e Ovinos. Para informações adicionais entre em contato com cnpc.biblioteca@embrapa.br. |
Registro Completo
Biblioteca(s): |
Embrapa Caprinos e Ovinos. |
Data corrente: |
03/01/2020 |
Data da última atualização: |
03/01/2020 |
Autoria: |
SILVA, W. W.; BEVILAQUA, C. M. L.; COSTA, A. L. |
Afiliação: |
Universidade Federal da Paraíba (UFPB) - Patos, PB, Brazil; Universidade Estadual do Ceará (UECE) - Fortaleza, Ce, Brazil; ARLINDO LUIZ DA COSTA, CNPC / Universidade Estadual do Ceará (UECE) - Fortaleza, Ce, Brazil. |
Título: |
Natural evolution of gastrointestinal nematodes in goats ( Capra hircus) in the semi-arid ecosystem of Paraiban backwoods, northeastern Brazil. |
Ano de publicação: |
1998 |
Fonte/Imprenta: |
Veterinary Parasitology, v. 80, n. 1, p. 47-52, Dec. 1998. |
Idioma: |
Português |
Thesagro: |
Caatinga; Doença Animal; Helminto Gastrintestinal; Nematóide; Ovino. |
Thesaurus NAL: |
Age; Brazil; Gastrointestinal nematodes; Goat diseases; Goats; Semiarid zones. |
Categoria do assunto: |
H Saúde e Patologia |
Marc: |
LEADER 00787naa a2200265 a 4500 001 2118086 005 2020-01-03 008 1998 bl uuuu u00u1 u #d 100 1 $aSILVA, W. W. 245 $aNatural evolution of gastrointestinal nematodes in goats ( Capra hircus) in the semi-arid ecosystem of Paraiban backwoods, northeastern Brazil. 260 $c1998 650 $aAge 650 $aBrazil 650 $aGastrointestinal nematodes 650 $aGoat diseases 650 $aGoats 650 $aSemiarid zones 650 $aCaatinga 650 $aDoença Animal 650 $aHelminto Gastrintestinal 650 $aNematóide 650 $aOvino 700 1 $aBEVILAQUA, C. M. L. 700 1 $aCOSTA, A. L. 773 $tVeterinary Parasitology$gv. 80, n. 1, p. 47-52, Dec. 1998.
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