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Registro Completo |
Biblioteca(s): |
Embrapa Semiárido. |
Data corrente: |
26/02/1997 |
Data da última atualização: |
11/11/2013 |
Autoria: |
LOPES, E. B.; FERNANDES, J. B.; LIRA, M. A. |
Título: |
Plantas hospedeiras do" mosquito do algodao" (Gargahia Torresi Lima, 1922) nos Estados do Rio Grande do Norte e Paraíba. |
Ano de publicação: |
1984 |
Fonte/Imprenta: |
João Pessoa: EMEPA-PB, 1984. |
Páginas: |
2 p. |
Série: |
(EMEPA-PB. Comunicado Técnico, 7) |
Idioma: |
Português |
Conteúdo: |
O trabalho levanta algumas plantas hospedeiras do "mosquito do algodao" (Gargaphia torresi), um inseto altamente polifago, com perspectivas de melhor controla-lo, haja visto que sao um dos fatores bioticos em potencial do manejo integrado de pragas. |
Palavras-Chave: |
Cultivo; Gorgaphia torresi; Mosquito do algodão; Paraiba; Recursos naturais; Rio Grande do Norte. |
Thesagro: |
Algodão; Entomologia; Planta Hospedeira. |
Thesaurus Nal: |
Cotton. |
Categoria do assunto: |
A Sistemas de Cultivo |
Marc: |
LEADER 01032nam a2200277 a 4500 001 1127557 005 2013-11-11 008 1984 bl uuuu u0uu1 u #d 100 1 $aLOPES, E. B. 245 $aPlantas hospedeiras do" mosquito do algodao" (Gargahia Torresi Lima, 1922) nos Estados do Rio Grande do Norte e Paraíba. 260 $aJoão Pessoa: EMEPA-PB$c1984 300 $a2 p. 490 $a(EMEPA-PB. Comunicado Técnico, 7) 520 $aO trabalho levanta algumas plantas hospedeiras do "mosquito do algodao" (Gargaphia torresi), um inseto altamente polifago, com perspectivas de melhor controla-lo, haja visto que sao um dos fatores bioticos em potencial do manejo integrado de pragas. 650 $aCotton 650 $aAlgodão 650 $aEntomologia 650 $aPlanta Hospedeira 653 $aCultivo 653 $aGorgaphia torresi 653 $aMosquito do algodão 653 $aParaiba 653 $aRecursos naturais 653 $aRio Grande do Norte 700 1 $aFERNANDES, J. B. 700 1 $aLIRA, M. A.
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Embrapa Semiárido (CPATSA) |
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Registro Completo
Biblioteca(s): |
Embrapa Milho e Sorgo. |
Data corrente: |
23/08/2020 |
Data da última atualização: |
28/08/2023 |
Tipo da produção científica: |
Capítulo em Livro Técnico-Científico |
Autoria: |
COSTA, T. C. e C. da; VIANA, J. H. M.; RIBEIRO, J. L. |
Afiliação: |
THOMAZ CORREA E CASTRO DA COSTA, CNPMS; JOAO HERBERT MOREIRA VIANA, CNPMS; Juliana Leite Ribeiro, Universidade Federal de São João del-Rei. |
Título: |
Models for semideciduous seasonal forest production of leaves and deciduousness: recent perspectives. |
Ano de publicação: |
2020 |
Fonte/Imprenta: |
In: YU, H. (ed.). International research in environment, geography and earth science. Hooghly: Book Publisher International, 2020. |
Volume: |
v. 2. |
Páginas: |
p. 41-72. |
DOI: |
978-93-90149-38-4 |
Idioma: |
Inglês |
Conteúdo: |
The climate, mainly the water availability and temperature, drives the renewal of biomass in seasonal forest ecosystem, and the greenness and leaf area of its canopy are responsive by climate variations. The renewal of leaves indicated by deciduousness can be model to obtain the estimates of this component as an additional compartment of the ecosystem carbon sink. In this study was investigated the relationship between litterfall, climate variables, Leaf Area Index (LAI), and Normalized Difference Vegetation Index (NDVI) in semideciduous forests, to test models to explain the leaf production and deciduousness by time. The data were obtained in satellite images and in plots installed at forest monitoring sites, visited monthly. The tests were conducted in eight semideciduous forest fragments. Permanent plots were monitored monthly and LAI measurements and weighing of litterfall deposited in nets. In this time, Landsat and IRS satellite images were obtained and processed for generation of NDVI. The water balance was calculated for each day. The relationship among the variables ?leaf dry weight?, ?LAI?, ?NDVI? and climate variables were verified and regression models was build and evaluated. With monitoring of the sites, the model was validated and reviewed with new variables and data and three equations were compared. It is possible to estimate the fall and renew of leaves biomass in semideciduous forests with reasonable precision. This study showed that only the leaf component of the litterfall of a semideciduous forest in tropical climate can capture average 6.5 Mg.ha-1 .yr-1 of CO2 and this amount can be estimated using climate, biophysics and vegetation index variables. MenosThe climate, mainly the water availability and temperature, drives the renewal of biomass in seasonal forest ecosystem, and the greenness and leaf area of its canopy are responsive by climate variations. The renewal of leaves indicated by deciduousness can be model to obtain the estimates of this component as an additional compartment of the ecosystem carbon sink. In this study was investigated the relationship between litterfall, climate variables, Leaf Area Index (LAI), and Normalized Difference Vegetation Index (NDVI) in semideciduous forests, to test models to explain the leaf production and deciduousness by time. The data were obtained in satellite images and in plots installed at forest monitoring sites, visited monthly. The tests were conducted in eight semideciduous forest fragments. Permanent plots were monitored monthly and LAI measurements and weighing of litterfall deposited in nets. In this time, Landsat and IRS satellite images were obtained and processed for generation of NDVI. The water balance was calculated for each day. The relationship among the variables ?leaf dry weight?, ?LAI?, ?NDVI? and climate variables were verified and regression models was build and evaluated. With monitoring of the sites, the model was validated and reviewed with new variables and data and three equations were compared. It is possible to estimate the fall and renew of leaves biomass in semideciduous forests with reasonable precision. This study showed that only the leaf componen... Mostrar Tudo |
Palavras-Chave: |
NDVI; Thornthwaite. |
Thesagro: |
Carbono; Ecossistema; Floresta; Folha; Mudança Climática. |
Categoria do assunto: |
F Plantas e Produtos de Origem Vegetal |
Marc: |
LEADER 02526naa a2200265 a 4500 001 2124516 005 2023-08-28 008 2020 bl uuuu u00u1 u #d 024 7 $a978-93-90149-38-4$2DOI 100 1 $aCOSTA, T. C. e C. da 245 $aModels for semideciduous seasonal forest production of leaves and deciduousness$brecent perspectives.$h[electronic resource] 260 $c2020 300 $ap. 41-72. v. 2. 490 $vv. 2. 520 $aThe climate, mainly the water availability and temperature, drives the renewal of biomass in seasonal forest ecosystem, and the greenness and leaf area of its canopy are responsive by climate variations. The renewal of leaves indicated by deciduousness can be model to obtain the estimates of this component as an additional compartment of the ecosystem carbon sink. In this study was investigated the relationship between litterfall, climate variables, Leaf Area Index (LAI), and Normalized Difference Vegetation Index (NDVI) in semideciduous forests, to test models to explain the leaf production and deciduousness by time. The data were obtained in satellite images and in plots installed at forest monitoring sites, visited monthly. The tests were conducted in eight semideciduous forest fragments. Permanent plots were monitored monthly and LAI measurements and weighing of litterfall deposited in nets. In this time, Landsat and IRS satellite images were obtained and processed for generation of NDVI. The water balance was calculated for each day. The relationship among the variables ?leaf dry weight?, ?LAI?, ?NDVI? and climate variables were verified and regression models was build and evaluated. With monitoring of the sites, the model was validated and reviewed with new variables and data and three equations were compared. It is possible to estimate the fall and renew of leaves biomass in semideciduous forests with reasonable precision. This study showed that only the leaf component of the litterfall of a semideciduous forest in tropical climate can capture average 6.5 Mg.ha-1 .yr-1 of CO2 and this amount can be estimated using climate, biophysics and vegetation index variables. 650 $aCarbono 650 $aEcossistema 650 $aFloresta 650 $aFolha 650 $aMudança Climática 653 $aNDVI 653 $aThornthwaite 700 1 $aVIANA, J. H. M. 700 1 $aRIBEIRO, J. L. 773 $tIn: YU, H. (ed.). International research in environment, geography and earth science. Hooghly: Book Publisher International, 2020.
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