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Registro Completo |
Biblioteca(s): |
Embrapa Amazônia Oriental. |
Data corrente: |
12/08/2016 |
Data da última atualização: |
24/05/2022 |
Tipo da produção científica: |
Artigo em Periódico Indexado |
Autoria: |
KLAUBERG, C.; VIDAL, E.; SILVA, C. A.; BENTES, M. de M.; HUDAK, A. T. |
Afiliação: |
Carine Klauberg, ESALQ / USP / USDA Forest Service Rocky Mountain Research Station; EDSON VIDAL, USP / ESALQ; Carlos Alberto Silva, University of Idaho; MICHELLINY PINHEIRO DE MATOS BENTES, CPATU; Andrew Thomas Hudak, USDA Forest Service Rocky Mountain Research Station. |
Título: |
Sampling methods for titica vine (Heteropsis spp.) inventory in a tropical forest. |
Ano de publicação: |
2016 |
Fonte/Imprenta: |
Annals of Forest Science, v. 73, n. 3, p. 757-764, Sep. 2016. |
DOI: |
10.1007/s13595-016-0565-2 |
Idioma: |
Inglês |
Conteúdo: |
Key message: Titica vine provides useful raw fiber material. Using sampling schemes that reduce sampling error can provide direction for sustainable forest management of this vine. Sampling systematically with rectangular plots (10 × 25 m) promoted lower error and greater accuracy in the inventory of titica vines in tropical rainforest. Context: The titica vine (Heteropsis spp.) is an important raw material for native communities located in the Amazon tropical rainforest. However, variability and spatial distribution of this species are some factors that hinder the assessment of accurate productivity prediction, and thus, inventory methods for management plan must be defined. Aims: The aim of this study was to develop and compare accuracy of different sampling approaches for the inventory of titica vines (roots ha−1) using simulations based on field data. Methods: Eighty-eight treatments were defined by the combination of the process (random or systematic), sampling intensity (5, 10, 15, and 20 % of 18 ha), plot size (250 to 3000 m2) and shapes (square, rectangle, and transect). Production estimate, sampling error, and relative efficiency were used to compare treatments with each other and with the reference inventory. Results: The mean production estimates for the random and systematic processes were 570 and 597 vine roots ha−1, while the reference estimate was 500 vine roots ha−1. Among of the treatments evaluated, only 5.8 % of them provided a sampling error less than 15 %. Conclusion: The sampling procedure that combines systematic or random process, plots sizes of 250 or 300 m2 and sampling intensity greater than 15 % was the most efficient for inventory of titica vine in tropical forests. MenosKey message: Titica vine provides useful raw fiber material. Using sampling schemes that reduce sampling error can provide direction for sustainable forest management of this vine. Sampling systematically with rectangular plots (10 × 25 m) promoted lower error and greater accuracy in the inventory of titica vines in tropical rainforest. Context: The titica vine (Heteropsis spp.) is an important raw material for native communities located in the Amazon tropical rainforest. However, variability and spatial distribution of this species are some factors that hinder the assessment of accurate productivity prediction, and thus, inventory methods for management plan must be defined. Aims: The aim of this study was to develop and compare accuracy of different sampling approaches for the inventory of titica vines (roots ha−1) using simulations based on field data. Methods: Eighty-eight treatments were defined by the combination of the process (random or systematic), sampling intensity (5, 10, 15, and 20 % of 18 ha), plot size (250 to 3000 m2) and shapes (square, rectangle, and transect). Production estimate, sampling error, and relative efficiency were used to compare treatments with each other and with the reference inventory. Results: The mean production estimates for the random and systematic processes were 570 and 597 vine roots ha−1, while the reference estimate was 500 vine roots ha−1. Among of the treatments evaluated, only 5.8 % of them provided ... Mostrar Tudo |
Palavras-Chave: |
Cipó titica; Produto florestal não-madeireiro. |
Thesagro: |
Floresta Tropical; Inventário. |
Categoria do assunto: |
K Ciência Florestal e Produtos de Origem Vegetal |
Marc: |
LEADER 02448naa a2200229 a 4500 001 2050825 005 2022-05-24 008 2016 bl uuuu u00u1 u #d 024 7 $a10.1007/s13595-016-0565-2$2DOI 100 1 $aKLAUBERG, C. 245 $aSampling methods for titica vine (Heteropsis spp.) inventory in a tropical forest.$h[electronic resource] 260 $c2016 520 $aKey message: Titica vine provides useful raw fiber material. Using sampling schemes that reduce sampling error can provide direction for sustainable forest management of this vine. Sampling systematically with rectangular plots (10 × 25 m) promoted lower error and greater accuracy in the inventory of titica vines in tropical rainforest. Context: The titica vine (Heteropsis spp.) is an important raw material for native communities located in the Amazon tropical rainforest. However, variability and spatial distribution of this species are some factors that hinder the assessment of accurate productivity prediction, and thus, inventory methods for management plan must be defined. Aims: The aim of this study was to develop and compare accuracy of different sampling approaches for the inventory of titica vines (roots ha−1) using simulations based on field data. Methods: Eighty-eight treatments were defined by the combination of the process (random or systematic), sampling intensity (5, 10, 15, and 20 % of 18 ha), plot size (250 to 3000 m2) and shapes (square, rectangle, and transect). Production estimate, sampling error, and relative efficiency were used to compare treatments with each other and with the reference inventory. Results: The mean production estimates for the random and systematic processes were 570 and 597 vine roots ha−1, while the reference estimate was 500 vine roots ha−1. Among of the treatments evaluated, only 5.8 % of them provided a sampling error less than 15 %. Conclusion: The sampling procedure that combines systematic or random process, plots sizes of 250 or 300 m2 and sampling intensity greater than 15 % was the most efficient for inventory of titica vine in tropical forests. 650 $aFloresta Tropical 650 $aInventário 653 $aCipó titica 653 $aProduto florestal não-madeireiro 700 1 $aVIDAL, E. 700 1 $aSILVA, C. A. 700 1 $aBENTES, M. de M. 700 1 $aHUDAK, A. T. 773 $tAnnals of Forest Science$gv. 73, n. 3, p. 757-764, Sep. 2016.
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Embrapa Amazônia Oriental (CPATU) |
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Biblioteca(s): |
Embrapa Milho e Sorgo. |
Data corrente: |
09/04/2019 |
Data da última atualização: |
10/04/2019 |
Tipo da produção científica: |
Artigo em Anais de Congresso |
Autoria: |
PIRES, D. A. A.; GONÇALVES, L. C.; BORGES, I.; RODRIGUEZ, N. M.; RODRIGUES, J. A. S.; BORGES, A. L. C. C.; SALIBA, E. de O. S.; GUIMARÃES JÚNIOR, R.; JAYME, D. G. |
Afiliação: |
Daniel Ananias Assis Pires; Lúcio Carlos Gonçalves, Universidade Federal de Minas Gerais; Iran Borges, Universidade Federal de Minas Gerais; Norberto Mario Rodriguez, Universidade Federal de Minas Gerais; JOSE AVELINO SANTOS RODRIGUES, CNPMS; Ana Luíza Costa Cruz Borges, Univesidade Federal de Minas Gerais; Eloísa de Oliveira Simões Saliba, Universidade Federal de Minas Gerais; Roberto Guimarães Júinior; Diogo Gonzaga Jayme. |
Título: |
Consumo e digestibilidade aparente das frações fibrosas das silagens de quatro genótipos de sorgo ("Sorghum bicolor" (L.)) com e sem tanino nos grãos de ovinos. |
Ano de publicação: |
2004 |
Fonte/Imprenta: |
In: REUNIÃO ANUAL DA SOCIEDADE BRASILEIRA DE ZOOTECNIA, 41., 2004, Campo Grande, MS. A produção animal e segurança alimentar: anais dos simpósios e dos resumos. Campo Grande, MS: Sociedade Brasileira e Zootecnia: Embrapa Gado de Corte, 2004. |
Idioma: |
Português |
Thesagro: |
Celulose; Hemicelulose; Milho; Valor Nutritivo. |
Categoria do assunto: |
F Plantas e Produtos de Origem Vegetal |
URL: |
https://ainfo.cnptia.embrapa.br/digital/bitstream/item/195667/1/Consumo-digestibilidade-9.pdf
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Marc: |
LEADER 00998nam a2200241 a 4500 001 2108036 005 2019-04-10 008 2004 bl uuuu u00u1 u #d 100 1 $aPIRES, D. A. A. 245 $aConsumo e digestibilidade aparente das frações fibrosas das silagens de quatro genótipos de sorgo ("Sorghum bicolor" (L.)) com e sem tanino nos grãos de ovinos.$h[electronic resource] 260 $aIn: REUNIÃO ANUAL DA SOCIEDADE BRASILEIRA DE ZOOTECNIA, 41., 2004, Campo Grande, MS. A produção animal e segurança alimentar: anais dos simpósios e dos resumos. Campo Grande, MS: Sociedade Brasileira e Zootecnia: Embrapa Gado de Corte$c2004 650 $aCelulose 650 $aHemicelulose 650 $aMilho 650 $aValor Nutritivo 700 1 $aGONÇALVES, L. C. 700 1 $aBORGES, I. 700 1 $aRODRIGUEZ, N. M. 700 1 $aRODRIGUES, J. A. S. 700 1 $aBORGES, A. L. C. C. 700 1 $aSALIBA, E. de O. S. 700 1 $aGUIMARÃES JÚNIOR, R. 700 1 $aJAYME, D. G.
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