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Registro Completo |
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Biblioteca(s): |
Embrapa Algodão; Embrapa Amazônia Ocidental; Embrapa Amazônia Oriental; Embrapa Hortaliças; Embrapa Semiárido; Embrapa Tabuleiros Costeiros; Embrapa Trigo. |
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Data corrente: |
16/11/1992 |
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Data da última atualização: |
24/09/2010 |
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Autoria: |
SANTOS, P. dos. |
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Título: |
A macrofotografia na identificação de insetos e outras espécies prejudiciais às plantas cultivadas. |
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Ano de publicação: |
1984 |
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Fonte/Imprenta: |
Campinas: CATI, 1984. |
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Páginas: |
15 p. |
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Série: |
(CATI. Boletim técnico, 180). |
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Idioma: |
Português |
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Conteúdo: |
Introdução. Teoria básica. Prática. Atuação prática para coleta de fotos macro. Recomendações |
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Palavras-Chave: |
Editoração; Identification; Insect; Insetos; Macrofotografia; Pest insects; Planta cultivada; Plants; Pragas; Uso. |
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Thesagro: |
Entomologia; Fotografia; Identificação; Inseto; Planta; Praga. |
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Thesaurus Nal: |
crops; Insecta; insects; pests; photography. |
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Categoria do assunto: |
--
O Insetos e Entomologia |
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Marc: |
LEADER 01040nam a2200385 a 4500
001 1383509
005 2010-09-24
008 1984 bl uuuu u0uu1 u #d
100 1 $aSANTOS, P. dos
245 $aA macrofotografia na identificação de insetos e outras espécies prejudiciais às plantas cultivadas.
260 $aCampinas: CATI$c1984
300 $a15 p.
490 $a(CATI. Boletim técnico, 180).
520 $aIntrodução. Teoria básica. Prática. Atuação prática para coleta de fotos macro. Recomendações
650 $acrops
650 $aInsecta
650 $ainsects
650 $apests
650 $aphotography
650 $aEntomologia
650 $aFotografia
650 $aIdentificação
650 $aInseto
650 $aPlanta
650 $aPraga
653 $aEditoração
653 $aIdentification
653 $aInsect
653 $aInsetos
653 $aMacrofotografia
653 $aPest insects
653 $aPlanta cultivada
653 $aPlants
653 $aPragas
653 $aUso
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Registro original: |
Embrapa Amazônia Oriental (CPATU) |
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 | Acesso ao texto completo restrito à biblioteca da Embrapa Florestas. Para informações adicionais entre em contato com cnpf.biblioteca@embrapa.br. |
Registro Completo
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Biblioteca(s): |
Embrapa Florestas. |
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Data corrente: |
24/10/2023 |
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Data da última atualização: |
24/10/2023 |
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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: |
IBARR, M. A.; ZANATTA, J. A.; DIECKOW, J.; RIBEIRO, R. H.; SCHIRMANN, J.; RACHWAL, M. F. G.; STAHL, J.; SIMON, P. L. |
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Afiliação: |
MARIANA ALVES IBARR, UNIVERSIDADE FEDERAL DO PARANÁ; JOSILEIA ACORDI ZANATTA, CNPF; JEFERSON DIECKOW, UNIVERSIDADE FEDERAL DO PARANÁ; RICARDO HENRIQUE RIBEIRO, UNIVERSIDADE FEDERAL DO PARANÁ; JANQUIELI SCHIRMANN, BOLSISTA DA EMBRAPA FLORESTAS; MARCOS FERNANDO GLUCK RACHWAL, CNPF; JAMES STAHL, KLABIN; PRISCILA LUZIA SIMON, AGRESEARCH INVERMAY. |
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Título: |
Nitrous oxide and methane emissions from a Ferralsol as affected by loblolly pine cultivation time in subtropical Brazil. |
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Ano de publicação: |
2023 |
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Fonte/Imprenta: |
Science of the Total Environment, v. 903, 166471, 2023. |
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DOI: |
https://doi.org/10.1016/j.scitotenv.2023.166471 |
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Idioma: |
Português |
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Conteúdo: |
Abstract. We hypothesized that the age of loblolly pine stands influences soil methane (CH4) and nitrous oxide (N2O) emissions. This is a relevant topic to be studied in subtropical Brazil, where the pine plantation area is increasing considerably. We evaluated N2O and CH4 emissions for two years in a Ferralsol under loblolly pine (Pinus taeda L.) stands of 1, 9 and 18 year-olds and a native forest (NF). We calculated the net CO2eq emission by considering the N2O and CH4 emissions from soil and the carbon (C) accumulation as litter in the forest floor. The soil N2O emission reduced gradually over the loblolly pine cultivation years, whereas CH4 uptake rates showed no clear pattern. Soil N2O emission showed a positive relationship with soil temperature in NF, and with soil ammonium and nitrate intensities in the pine stands. Soil CH4 uptake was inversely related to water-filled pore space in the pine stands, but this relationship was not observed in NF. The soil CH4 uptake rate was 4.6 times higher (p < 0.10) in NF than the average uptake in loblolly pine stands. On the other hand, soil N2O emissions in 9 and 18- year-old stands were similar (p > 0.10) to those in NF (1.3 kg N ha 1 yr 1). Our results suggest that cultivation with loblolly pine for 18 years can reduce soil N2O emission, and the uptake of CH4 in this system offsets 17 % of N2O emissions. Furthermore, the C accumulation as litter in the forest floor of the mature pine stands (9- and 18- year-old) generated a net emission of 1.6 Mg CO2eq ha 1 yr 1, showing to be an expressive offsetting mech- anism. Therefore, we conclude that aged loblolly forests can reach N2O emissions levels comparable to those of NF, and the C sequestration in these forests floor can significantly contribute to offset N2O emissions and act as sink for net atmospheric CO2eq. MenosAbstract. We hypothesized that the age of loblolly pine stands influences soil methane (CH4) and nitrous oxide (N2O) emissions. This is a relevant topic to be studied in subtropical Brazil, where the pine plantation area is increasing considerably. We evaluated N2O and CH4 emissions for two years in a Ferralsol under loblolly pine (Pinus taeda L.) stands of 1, 9 and 18 year-olds and a native forest (NF). We calculated the net CO2eq emission by considering the N2O and CH4 emissions from soil and the carbon (C) accumulation as litter in the forest floor. The soil N2O emission reduced gradually over the loblolly pine cultivation years, whereas CH4 uptake rates showed no clear pattern. Soil N2O emission showed a positive relationship with soil temperature in NF, and with soil ammonium and nitrate intensities in the pine stands. Soil CH4 uptake was inversely related to water-filled pore space in the pine stands, but this relationship was not observed in NF. The soil CH4 uptake rate was 4.6 times higher (p < 0.10) in NF than the average uptake in loblolly pine stands. On the other hand, soil N2O emissions in 9 and 18- year-old stands were similar (p > 0.10) to those in NF (1.3 kg N ha 1 yr 1). Our results suggest that cultivation with loblolly pine for 18 years can reduce soil N2O emission, and the uptake of CH4 in this system offsets 17 % of N2O emissions. Furthermore, the C accumulation as litter in the forest floor of the mature pine stands (9- and 18- year-old) generated a net... Mostrar Tudo |
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Palavras-Chave: |
Forest floor; Gases de efeito estufa; Pine; Sequestro de carbono; Stand age. |
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Thesagro: |
Floresta; Pinus spp. |
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Thesaurus NAL: |
Carbon sequestration; Forests; Greenhouse gases. |
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Categoria do assunto: |
K Ciência Florestal e Produtos de Origem Vegetal |
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Marc: |
LEADER 02839naa a2200337 a 4500
001 2157448
005 2023-10-24
008 2023 bl uuuu u00u1 u #d
024 7 $ahttps://doi.org/10.1016/j.scitotenv.2023.166471$2DOI
100 1 $aIBARR, M. A.
245 $aNitrous oxide and methane emissions from a Ferralsol as affected by loblolly pine cultivation time in subtropical Brazil.$h[electronic resource]
260 $c2023
520 $aAbstract. We hypothesized that the age of loblolly pine stands influences soil methane (CH4) and nitrous oxide (N2O) emissions. This is a relevant topic to be studied in subtropical Brazil, where the pine plantation area is increasing considerably. We evaluated N2O and CH4 emissions for two years in a Ferralsol under loblolly pine (Pinus taeda L.) stands of 1, 9 and 18 year-olds and a native forest (NF). We calculated the net CO2eq emission by considering the N2O and CH4 emissions from soil and the carbon (C) accumulation as litter in the forest floor. The soil N2O emission reduced gradually over the loblolly pine cultivation years, whereas CH4 uptake rates showed no clear pattern. Soil N2O emission showed a positive relationship with soil temperature in NF, and with soil ammonium and nitrate intensities in the pine stands. Soil CH4 uptake was inversely related to water-filled pore space in the pine stands, but this relationship was not observed in NF. The soil CH4 uptake rate was 4.6 times higher (p < 0.10) in NF than the average uptake in loblolly pine stands. On the other hand, soil N2O emissions in 9 and 18- year-old stands were similar (p > 0.10) to those in NF (1.3 kg N ha 1 yr 1). Our results suggest that cultivation with loblolly pine for 18 years can reduce soil N2O emission, and the uptake of CH4 in this system offsets 17 % of N2O emissions. Furthermore, the C accumulation as litter in the forest floor of the mature pine stands (9- and 18- year-old) generated a net emission of 1.6 Mg CO2eq ha 1 yr 1, showing to be an expressive offsetting mech- anism. Therefore, we conclude that aged loblolly forests can reach N2O emissions levels comparable to those of NF, and the C sequestration in these forests floor can significantly contribute to offset N2O emissions and act as sink for net atmospheric CO2eq.
650 $aCarbon sequestration
650 $aForests
650 $aGreenhouse gases
650 $aFloresta
650 $aPinus spp
653 $aForest floor
653 $aGases de efeito estufa
653 $aPine
653 $aSequestro de carbono
653 $aStand age
700 1 $aZANATTA, J. A.
700 1 $aDIECKOW, J.
700 1 $aRIBEIRO, R. H.
700 1 $aSCHIRMANN, J.
700 1 $aRACHWAL, M. F. G.
700 1 $aSTAHL, J.
700 1 $aSIMON, P. L.
773 $tScience of the Total Environment$gv. 903, 166471, 2023.
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Embrapa Florestas (CNPF) |
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