| |
|
|
 | Acesso ao texto completo restrito à biblioteca da Embrapa Caprinos e Ovinos. Para informações adicionais entre em contato com cnpc.biblioteca@embrapa.br. |
|
Registro Completo |
|
Biblioteca(s): |
Embrapa Caprinos e Ovinos. |
|
Data corrente: |
01/08/1992 |
|
Data da última atualização: |
13/11/2023 |
|
Autoria: |
DAVIS, J. B.; TUELLER, P. T.; BRUNER, A. D. |
|
Título: |
Estimating forage production from shrub ring widths in hot creek valley, Nevada. |
|
Ano de publicação: |
1972 |
|
Fonte/Imprenta: |
Journal of Range Management, v. 25, n. 2, p. 398-402, 1972. |
|
DOI: |
DOI 10.2307/3896556 |
|
Idioma: |
Inglês |
|
Conteúdo: |
Abstract: Floristic and soil factors on 60 sites in the shadscale and sagebrush zone in Hot Creek Valley, Nevada were sampled to derive one or more equations for estimating production on those sites. The factors were analyzed by an all possible correlation followed by stepwise regression with production as the dependent variable. Many of the factors correlated significantly with production, but widths of growth rings of shrubs accounted for most of the variation in production. Thus, ring widths of big sagebrush, bud sagebrush, shadscale, common winterfat, and spiny hopsage were used to derive regression equations to estimate forage production. Big sagebrush and shadscale ring widths varied exponentially with production, while a linear relationship expressed the regression of production on ring widths for the other shrubs. The linear regression probably represents only a portion of the complete curve. The methods of collection and analysis of shrub rings to derive production estimation equations could probably be extended to other areas within the Great Basin. |
|
Palavras-Chave: |
Estimacao. |
|
Thesagro: |
Pastagem; Produção. |
|
Thesaurus Nal: |
Forage production. |
|
Categoria do assunto: |
F Plantas e Produtos de Origem Vegetal |
|
Marc: |
LEADER 01674naa a2200205 a 4500
001 1521424
005 2023-11-13
008 1972 bl uuuu u00u1 u #d
024 7 $aDOI 10.2307/3896556$2DOI
100 1 $aDAVIS, J. B.
245 $aEstimating forage production from shrub ring widths in hot creek valley, Nevada.$h[electronic resource]
260 $c1972
520 $aAbstract: Floristic and soil factors on 60 sites in the shadscale and sagebrush zone in Hot Creek Valley, Nevada were sampled to derive one or more equations for estimating production on those sites. The factors were analyzed by an all possible correlation followed by stepwise regression with production as the dependent variable. Many of the factors correlated significantly with production, but widths of growth rings of shrubs accounted for most of the variation in production. Thus, ring widths of big sagebrush, bud sagebrush, shadscale, common winterfat, and spiny hopsage were used to derive regression equations to estimate forage production. Big sagebrush and shadscale ring widths varied exponentially with production, while a linear relationship expressed the regression of production on ring widths for the other shrubs. The linear regression probably represents only a portion of the complete curve. The methods of collection and analysis of shrub rings to derive production estimation equations could probably be extended to other areas within the Great Basin.
650 $aForage production
650 $aPastagem
650 $aProdução
653 $aEstimacao
700 1 $aTUELLER, P. T.
700 1 $aBRUNER, A. D.
773 $tJournal of Range Management$gv. 25, n. 2, p. 398-402, 1972.
Download
Esconder MarcMostrar Marc Completo |
|
Registro original: |
Embrapa Caprinos e Ovinos (CNPC) |
|
|
Biblioteca |
ID |
Origem |
Tipo/Formato |
Classificação |
Cutter |
Registro |
Volume |
Status |
URL |
Voltar
|
|
|
| Registros recuperados : 1 | |
| Registros recuperados : 1 | |
|
| Expressão de busca inválida. Verifique!!! |
|
|
