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 | Acesso ao texto completo restrito à biblioteca da Embrapa Amazônia Oriental. Para informações adicionais entre em contato com cpatu.biblioteca@embrapa.br. |
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Registro Completo |
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Biblioteca(s): |
Embrapa Amazônia Oriental. |
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Data corrente: |
04/09/2019 |
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Data da última atualização: |
14/11/2019 |
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Tipo da produção científica: |
Artigo em Periódico Indexado |
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Autoria: |
SANDE, M. T. van der; GOSLING, W.; CORREA-METRIO, A.; PRADO-JUNIOR, P.; POORTER, L.; OLIVEIRA, R. S.; FREITAS, L. J. M. de; BUSH, M. B. |
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Afiliação: |
Masha T. van der Sande, Florida Institute of Technology / University of Amsterdam / Wageningen University and Research; William Gosling, University of Amsterdam; Alexander Correa-Metrio, Universidad Nacional Autonoma de Mexico; Jamir Prado-Junior, UNIVERSIDADE FEDERAL DE UBERLÂNIDA; Lourens Poorter, Wageningen University and Research; Rafael S. Oliveira, UNICAMP; LUCAS JOSE MAZZEI DE FREITAS, CPATU; Mark B. Bush, Florida Institute of Technology. |
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Título: |
A 7000-year history of changing plant trait composition in an Amazonian landscape; the role of humans and climate. |
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Ano de publicação: |
2019 |
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Fonte/Imprenta: |
Ecology Letters, v. 22, n. 6, p. 925-935, June 2019. |
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DOI: |
10.1111/ele.13251 |
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Idioma: |
Inglês |
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Conteúdo: |
Tropical forests are shifting in species and trait composition, but the main underlying causes remain unclear because of the short temporal scales of most studies. Here, we develop a novel approach by linking functional trait data with 7000 years of forest dynamics from a fossil pollen record of Lake Sauce in the Peruvian Amazon. We evaluate how climate and human disturbances affect community trait composition. We found weak relationships between environmental conditions and traits at the taxon level, but strong effects for community-mean traits. Overall, community- mean traits were more responsive to human disturbances than to climate change; humaninduced erosion increased the dominance of dense-wooded, non-zoochorous species with compound leaves, and human-induced fire increased the dominance of tall, zoochorous taxa with large seeds and simple leaves. This information can help to enhance our understanding of forest responses to past environmental changes, and improve predictions of future changes in tropical forest composition. |
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Thesagro: |
Erosão; Mudança Climática. |
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Categoria do assunto: |
K Ciência Florestal e Produtos de Origem Vegetal |
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Marc: |
LEADER 01785naa a2200241 a 4500
001 2111903
005 2019-11-14
008 2019 bl uuuu u00u1 u #d
024 7 $a10.1111/ele.13251$2DOI
100 1 $aSANDE, M. T. van der
245 $aA 7000-year history of changing plant trait composition in an Amazonian landscape; the role of humans and climate.$h[electronic resource]
260 $c2019
520 $aTropical forests are shifting in species and trait composition, but the main underlying causes remain unclear because of the short temporal scales of most studies. Here, we develop a novel approach by linking functional trait data with 7000 years of forest dynamics from a fossil pollen record of Lake Sauce in the Peruvian Amazon. We evaluate how climate and human disturbances affect community trait composition. We found weak relationships between environmental conditions and traits at the taxon level, but strong effects for community-mean traits. Overall, community- mean traits were more responsive to human disturbances than to climate change; humaninduced erosion increased the dominance of dense-wooded, non-zoochorous species with compound leaves, and human-induced fire increased the dominance of tall, zoochorous taxa with large seeds and simple leaves. This information can help to enhance our understanding of forest responses to past environmental changes, and improve predictions of future changes in tropical forest composition.
650 $aErosão
650 $aMudança Climática
700 1 $aGOSLING, W.
700 1 $aCORREA-METRIO, A.
700 1 $aPRADO-JUNIOR, P.
700 1 $aPOORTER, L.
700 1 $aOLIVEIRA, R. S.
700 1 $aFREITAS, L. J. M. de
700 1 $aBUSH, M. B.
773 $tEcology Letters$gv. 22, n. 6, p. 925-935, June 2019.
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Registro original: |
Embrapa Amazônia Oriental (CPATU) |
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Registro Completo
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Biblioteca(s): |
Embrapa Pecuária Sudeste. |
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Data corrente: |
05/04/2024 |
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Data da última atualização: |
09/04/2024 |
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Tipo da produção científica: |
Artigo em Periódico Indexado |
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Circulação/Nível: |
A - 1 |
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Autoria: |
OLIVEIRA, K. C. C. DE; FATURI, C.; GARCIA, A. R.; JOELE, M. R. S. P.; NAHUM, B. de S.; SILVA, W. C. DA; RODRIGUES, T. C. G. DE C.; SILVA, E. B. R. DA; LOURENÇO JÚNIOR, J. DE B. |
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Afiliação: |
KELLY CAVALCANTI CONOR DE OLIVEIRA, Federal University of Para; CRISTIAN FATURI, Federal Rural University of the Amazônia; ALEXANDRE ROSSETTO GARCIA, CPPSE; MARIA REGINA SARKIS PEIXOTO JOELE; BENJAMIM DE SOUZA NAHUM, CPATU; WELLIGTON CONCEIÇÃO DA SILVA, Federal University of Para; THOMAZ CYRO GUIMARÃES DE CARVALHO RODRIGUES, Federal University of Para; ÉDER BRUNO REBELO DA SILVA, Federal University of Para; JOSÉ DE BRITO LOURENÇO-JÚNIOR, Federal University of Para. |
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Título: |
The characterization of pastures by grazing cycle and evaluation of supplementation with agro-industry co-products on the performance of buffaloes in the humid tropics. |
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Ano de publicação: |
2024 |
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Fonte/Imprenta: |
Animals, v. 14, n. 6, 2024, 879. |
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DOI: |
10.3390/ani14060879 |
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Idioma: |
Inglês |
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Conteúdo: |
The objective was to characterize the pastures by grazing cycle, as well as to evaluate the performance of buffaloes in intensive rotational grazing in a silvopastoral system in the eastern Amazon supplemented with agro-industry co-products in order to characterize the grazing cycles, the composition of the fractions, and the carcass yield. Fifteen non-castrated, crossbred water buffaloes (Murrah × Mediterranean) were used. All animals used in the study were clinically healthy and weighed approximately 458 kg. The animals were grazed in a single group, and supplementation (1% of live weight—LW/day) was divided into three treatments: control (control—conventional ingredients); Cocos nucifera coconut cake (Cocos nucifera) (coconut cake—70%); and palm kernel cake (Guinean elaeis) (palm kernel cake—70% palm kernel cake). The chemical composition of the forage is different in each part of the plant, with higher protein values in the leaves (11.40%) and higher acid detergent fiber (ADF) values in the stems (50.03%). Among the ingredients of the supplement, corn has the highest percentage of indigestible protein (35.57%), most of the protein in palm kernel cake is B3 (49.11%), and in Coco, B2 (51.52%). Mombasa grass has a higher percentage of B3 and B2 proteins; the indigestible fraction is lower in the leaves (17.16%). The leaf/stem ratio also varied between grazing cycles, being better in the second cycle (2.11%) and with an overall average of 1.71. Supplement consumption varied between cycles and was higher in the control treatment, with an overall mean of 4.74. There was no difference in daily weight gain and carcass yield, with an average of 1 kg/day and 49.23%, respectively. Therefore, it can be concluded that including supplements based on by-products from the coconut and palm oil agro-industries promotes performance and carcass yields compatible with conventional supplements. Their use reduces production costs, optimizes the utilization of forage mass, enhances the sustainability of the production chain, and, therefore, is recommended. MenosThe objective was to characterize the pastures by grazing cycle, as well as to evaluate the performance of buffaloes in intensive rotational grazing in a silvopastoral system in the eastern Amazon supplemented with agro-industry co-products in order to characterize the grazing cycles, the composition of the fractions, and the carcass yield. Fifteen non-castrated, crossbred water buffaloes (Murrah × Mediterranean) were used. All animals used in the study were clinically healthy and weighed approximately 458 kg. The animals were grazed in a single group, and supplementation (1% of live weight—LW/day) was divided into three treatments: control (control—conventional ingredients); Cocos nucifera coconut cake (Cocos nucifera) (coconut cake—70%); and palm kernel cake (Guinean elaeis) (palm kernel cake—70% palm kernel cake). The chemical composition of the forage is different in each part of the plant, with higher protein values in the leaves (11.40%) and higher acid detergent fiber (ADF) values in the stems (50.03%). Among the ingredients of the supplement, corn has the highest percentage of indigestible protein (35.57%), most of the protein in palm kernel cake is B3 (49.11%), and in Coco, B2 (51.52%). Mombasa grass has a higher percentage of B3 and B2 proteins; the indigestible fraction is lower in the leaves (17.16%). The leaf/stem ratio also varied between grazing cycles, being better in the second cycle (2.11%) and with an overall average of 1.71. Supplement consumption varied ... Mostrar Tudo |
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Palavras-Chave: |
Agroforestry systems; Co products; Coconut cake; Pasture supplementation; Performance of water buffaloes; Protein fractions; Water buffalo. |
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Thesaurus NAL: |
Nutrition; Palm kernel cake. |
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Categoria do assunto: |
L Ciência Animal e Produtos de Origem Animal |
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URL: |
https://ainfo.cnptia.embrapa.br/digital/bitstream/doc/1163335/1/CharacterizationPasturesGrazing.pdf
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Marc: |
LEADER 03158naa a2200337 a 4500
001 2163337
005 2024-04-09
008 2024 bl uuuu u00u1 u #d
024 7 $a10.3390/ani14060879$2DOI
100 1 $aOLIVEIRA, K. C. C. DE
245 $aThe characterization of pastures by grazing cycle and evaluation of supplementation with agro-industry co-products on the performance of buffaloes in the humid tropics.$h[electronic resource]
260 $c2024
520 $aThe objective was to characterize the pastures by grazing cycle, as well as to evaluate the performance of buffaloes in intensive rotational grazing in a silvopastoral system in the eastern Amazon supplemented with agro-industry co-products in order to characterize the grazing cycles, the composition of the fractions, and the carcass yield. Fifteen non-castrated, crossbred water buffaloes (Murrah × Mediterranean) were used. All animals used in the study were clinically healthy and weighed approximately 458 kg. The animals were grazed in a single group, and supplementation (1% of live weight—LW/day) was divided into three treatments: control (control—conventional ingredients); Cocos nucifera coconut cake (Cocos nucifera) (coconut cake—70%); and palm kernel cake (Guinean elaeis) (palm kernel cake—70% palm kernel cake). The chemical composition of the forage is different in each part of the plant, with higher protein values in the leaves (11.40%) and higher acid detergent fiber (ADF) values in the stems (50.03%). Among the ingredients of the supplement, corn has the highest percentage of indigestible protein (35.57%), most of the protein in palm kernel cake is B3 (49.11%), and in Coco, B2 (51.52%). Mombasa grass has a higher percentage of B3 and B2 proteins; the indigestible fraction is lower in the leaves (17.16%). The leaf/stem ratio also varied between grazing cycles, being better in the second cycle (2.11%) and with an overall average of 1.71. Supplement consumption varied between cycles and was higher in the control treatment, with an overall mean of 4.74. There was no difference in daily weight gain and carcass yield, with an average of 1 kg/day and 49.23%, respectively. Therefore, it can be concluded that including supplements based on by-products from the coconut and palm oil agro-industries promotes performance and carcass yields compatible with conventional supplements. Their use reduces production costs, optimizes the utilization of forage mass, enhances the sustainability of the production chain, and, therefore, is recommended.
650 $aNutrition
650 $aPalm kernel cake
653 $aAgroforestry systems
653 $aCo products
653 $aCoconut cake
653 $aPasture supplementation
653 $aPerformance of water buffaloes
653 $aProtein fractions
653 $aWater buffalo
700 1 $aFATURI, C.
700 1 $aGARCIA, A. R.
700 1 $aJOELE, M. R. S. P.
700 1 $aNAHUM, B. de S.
700 1 $aSILVA, W. C. DA
700 1 $aRODRIGUES, T. C. G. DE C.
700 1 $aSILVA, E. B. R. DA
700 1 $aLOURENÇO JÚNIOR, J. DE B.
773 $tAnimals$gv. 14, n. 6, 2024, 879.
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Embrapa Pecuária Sudeste (CPPSE) |
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