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Registro Completo |
Biblioteca(s): |
Embrapa Caprinos e Ovinos; Embrapa Unidades Centrais. |
Data corrente: |
13/09/2007 |
Data da última atualização: |
09/04/2019 |
Tipo da produção científica: |
Comunicado Técnico/Recomendações Técnicas |
Autoria: |
SILVA, N. L. da; ARAUJO FILHO, J. A. de; SOUSA, F. B. de; ARAUJO, M. R. A. de. |
Afiliação: |
NILZEMARY LIMA DA SILVA, CNPC; JOAO AMBROSIO DE ARAUJO FILHO, CNPC; FRANCISCO BENI DE SOUSA, CNPC; MARCELO RENATO ALVES DE ARAUJO, CNPC. |
Título: |
Terminação de borregos em caatinga ressemeada com gramíneas. |
Ano de publicação: |
2005 |
Fonte/Imprenta: |
Sobral: Embrapa Caprinos, 2005. |
Páginas: |
3 p. |
Série: |
(Embrapa Caprinos. Comunicado Técnico, 62). |
Idioma: |
Português |
Conteúdo: |
Foram objetivos deste trabalho determinar o desempenho produtivo de ovinos, quando submetidos ao pastoreio de curta duração, assim como, a produção de peso vivo animal das pastagens formadas com gramíneas exóticas, comparando-as com a de caatinga raleada nas condições ecológicas do sertão cearense, durante a época das chuvas. |
Palavras-Chave: |
Brasil; Ceará; Desempenho produtivo; Fattening; Peso vivo. |
Thesagro: |
Caatinga; Ovino; Performance; Produção animal; Sistema de Produção; Terminação. |
Thesaurus Nal: |
Animal performance; Brazil; Semiarid zones; Sheep. |
Categoria do assunto: |
-- |
URL: |
https://ainfo.cnptia.embrapa.br/digital/bitstream/CNPC/20238/1/cot62.pdf
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Marc: |
LEADER 01247nam a2200349 a 4500 001 1534526 005 2019-04-09 008 2005 bl uuuu u0uu1 u #d 100 1 $aSILVA, N. L. da 245 $aTerminação de borregos em caatinga ressemeada com gramíneas. 260 $aSobral: Embrapa Caprinos$c2005 300 $a3 p. 490 $a(Embrapa Caprinos. Comunicado Técnico, 62). 520 $aForam objetivos deste trabalho determinar o desempenho produtivo de ovinos, quando submetidos ao pastoreio de curta duração, assim como, a produção de peso vivo animal das pastagens formadas com gramíneas exóticas, comparando-as com a de caatinga raleada nas condições ecológicas do sertão cearense, durante a época das chuvas. 650 $aAnimal performance 650 $aBrazil 650 $aSemiarid zones 650 $aSheep 650 $aCaatinga 650 $aOvino 650 $aPerformance 650 $aProdução animal 650 $aSistema de Produção 650 $aTerminação 653 $aBrasil 653 $aCeará 653 $aDesempenho produtivo 653 $aFattening 653 $aPeso vivo 700 1 $aARAUJO FILHO, J. A. de 700 1 $aSOUSA, F. B. de 700 1 $aARAUJO, M. R. A. de
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Embrapa Caprinos e Ovinos (CNPC) |
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Registro Completo
Biblioteca(s): |
Embrapa Amazônia Oriental. |
Data corrente: |
26/06/2013 |
Data da última atualização: |
07/11/2022 |
Tipo da produção científica: |
Artigo em Periódico Indexado |
Circulação/Nível: |
Internacional - A |
Autoria: |
MALHI, Y.; WOOD, D.; BAKER, T. R.; WRIGHT, J.; PHILLIPS, O. L.; COCHRANE, T.; MEIR, P.; CHAVE, J.; ALMEIDA, S.; ARROYO, L.; HIGUCHI, N.; KILLEEN, T. J.; LAURANCE, S. G.; LEWIS, S. L.; MONTEAGUDO, A.; NEILL, D. A.; VARGAS, P. N.; PITMAN, N. C. A.; QUESADA, C. A.; SALOMÃO, R.; SILVA, J. N. M.; LEZAMA, A. T.; TERBORGH, J.; MARTÍNEZ, R. V.; VINCETI, B. |
Afiliação: |
YADVINDER MALHI, Oxford University Centre for the Environment/ University of Edinburgh; DANIEL WOOD, University of Edinburgh; TIMOTHY R. BAKER, University of Leeds; JAMES WRIGHT, University of Southampton; OLIVER L. PHILLIPS, University of Leeds; THOMAS COCHRANE, Agteca; PATRICK MEIR, University of Edinburgh; JEROME CHAVE, Laboratoire Evolution et Diversité Biologique, CNRS/UPS; SAMUEL ALMEIDA, MPEG; LUZMILLA ARROYO, Museo Noel Kempff Mercado; NIRO HIGUCHI, INPA; TIMOTHY J. KILLEEN, Center for Applied Biodiversity Science, Conservation International; SUSAN G. LAURANCE, Smithsonian Tropical Research Institute; SIMON L. LEWIS, University of Leeds; ABEL MONTEAGUDO, Universidad Nacional San Antonio Abad del Cusco / Jardin Botanico de Missouri; DAVID A. NEILL, Fundacion Jatun Sacha; PERCY NÚÑEZ VARGAS, Universidad Nacional San Antonio Abad del Cusco; NIGEL C. A. PITMAN, Duke University; CARLOS ALBERTO QUESADA, University of Leeds; RAFAEL SALOMÃO, MPEG; JOSÉ NATALINO MACEDO SILVA, CIFOR / CPATU; ARMANDO TORRES LEZAMA, INDEFOR; JOHN TERBORGH, Duke University; RODOLFO VÁSQUEZ MARTÍNEZ, Jardin Botanico de Missouri; BARBARA VINCETI, International Plant Genetic Resources Institute. |
Título: |
The regional variation of aboveground live biomass in old-growth Amazonian forests. |
Ano de publicação: |
2006 |
Fonte/Imprenta: |
Global Change Biology, v. 12, n. 7, p. 1107-1138, July 2006. |
DOI: |
10.1111/j.1365-2486.2006.01120.x |
Idioma: |
Inglês |
Conteúdo: |
The biomass of tropical forests plays an important role in the global carbon cycle, both as a dynamic reservoir of carbon, and as a source of carbon dioxide to the atmosphere in areas undergoing deforestation. However, the absolute magnitude and environmental determinants of tropical forest biomass are still poorly understood. Here, we present a new synthesis and interpolation of the basal area and aboveground live biomass of old-growth lowland tropical forests across South America, based on data from 227 forest plots, many previously unpublished. Forest biomass was analyzed in terms of two uncorrelated factors: basal area and mean wood density. Basal area is strongly affected by local landscape factors, but is relatively invariant at regional scale in moist tropical forests, and declines significantly at the dry periphery of the forest zone. Mean wood density is inversely correlated with forest dynamics, being lower in the dynamic forests of western Amazonia and high in the slow-growing forests of eastern Amazonia. The combination of these two factors results in biomass being highest in the moderately seasonal, slow growing forests of central Amazonia and the Guyanas (up to 350 Mg dry weight ha−1) and declining to 200?250 Mg dry weight ha−1 at the western, southern and eastern margins. Overall, we estimate the total aboveground live biomass of intact Amazonian rainforests (area 5.76 × 106 km2 in 2000) to be 93±23 Pg C, taking into account lianas and small trees. Including dead biomass and belowground biomass would increase this value by approximately 10% and 21%, respectively, but the spatial variation of these additional terms still needs to be quantified. MenosThe biomass of tropical forests plays an important role in the global carbon cycle, both as a dynamic reservoir of carbon, and as a source of carbon dioxide to the atmosphere in areas undergoing deforestation. However, the absolute magnitude and environmental determinants of tropical forest biomass are still poorly understood. Here, we present a new synthesis and interpolation of the basal area and aboveground live biomass of old-growth lowland tropical forests across South America, based on data from 227 forest plots, many previously unpublished. Forest biomass was analyzed in terms of two uncorrelated factors: basal area and mean wood density. Basal area is strongly affected by local landscape factors, but is relatively invariant at regional scale in moist tropical forests, and declines significantly at the dry periphery of the forest zone. Mean wood density is inversely correlated with forest dynamics, being lower in the dynamic forests of western Amazonia and high in the slow-growing forests of eastern Amazonia. The combination of these two factors results in biomass being highest in the moderately seasonal, slow growing forests of central Amazonia and the Guyanas (up to 350 Mg dry weight ha−1) and declining to 200?250 Mg dry weight ha−1 at the western, southern and eastern margins. Overall, we estimate the total aboveground live biomass of intact Amazonian rainforests (area 5.76 × 106 km2 in 2000) to be 93±23 Pg C, taking into account lianas and small trees.... Mostrar Tudo |
Thesagro: |
Biomassa; Carbono; Fertilidade do Solo. |
Thesaurus NAL: |
Amazonia. |
Categoria do assunto: |
P Recursos Naturais, Ciências Ambientais e da Terra |
Marc: |
LEADER 02953naa a2200469 a 4500 001 1960662 005 2022-11-07 008 2006 bl uuuu u00u1 u #d 024 7 $a10.1111/j.1365-2486.2006.01120.x$2DOI 100 1 $aMALHI, Y. 245 $aThe regional variation of aboveground live biomass in old-growth Amazonian forests.$h[electronic resource] 260 $c2006 520 $aThe biomass of tropical forests plays an important role in the global carbon cycle, both as a dynamic reservoir of carbon, and as a source of carbon dioxide to the atmosphere in areas undergoing deforestation. However, the absolute magnitude and environmental determinants of tropical forest biomass are still poorly understood. Here, we present a new synthesis and interpolation of the basal area and aboveground live biomass of old-growth lowland tropical forests across South America, based on data from 227 forest plots, many previously unpublished. Forest biomass was analyzed in terms of two uncorrelated factors: basal area and mean wood density. Basal area is strongly affected by local landscape factors, but is relatively invariant at regional scale in moist tropical forests, and declines significantly at the dry periphery of the forest zone. Mean wood density is inversely correlated with forest dynamics, being lower in the dynamic forests of western Amazonia and high in the slow-growing forests of eastern Amazonia. The combination of these two factors results in biomass being highest in the moderately seasonal, slow growing forests of central Amazonia and the Guyanas (up to 350 Mg dry weight ha−1) and declining to 200?250 Mg dry weight ha−1 at the western, southern and eastern margins. Overall, we estimate the total aboveground live biomass of intact Amazonian rainforests (area 5.76 × 106 km2 in 2000) to be 93±23 Pg C, taking into account lianas and small trees. Including dead biomass and belowground biomass would increase this value by approximately 10% and 21%, respectively, but the spatial variation of these additional terms still needs to be quantified. 650 $aAmazonia 650 $aBiomassa 650 $aCarbono 650 $aFertilidade do Solo 700 1 $aWOOD, D. 700 1 $aBAKER, T. R. 700 1 $aWRIGHT, J. 700 1 $aPHILLIPS, O. L. 700 1 $aCOCHRANE, T. 700 1 $aMEIR, P. 700 1 $aCHAVE, J. 700 1 $aALMEIDA, S. 700 1 $aARROYO, L. 700 1 $aHIGUCHI, N. 700 1 $aKILLEEN, T. J. 700 1 $aLAURANCE, S. G. 700 1 $aLEWIS, S. L. 700 1 $aMONTEAGUDO, A. 700 1 $aNEILL, D. A. 700 1 $aVARGAS, P. N. 700 1 $aPITMAN, N. C. A. 700 1 $aQUESADA, C. A. 700 1 $aSALOMÃO, R. 700 1 $aSILVA, J. N. M. 700 1 $aLEZAMA, A. T. 700 1 $aTERBORGH, J. 700 1 $aMARTÍNEZ, R. V. 700 1 $aVINCETI, B. 773 $tGlobal Change Biology$gv. 12, n. 7, p. 1107-1138, July 2006.
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