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Registro Completo |
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Biblioteca(s): |
Embrapa Pantanal. |
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Data corrente: |
27/06/1996 |
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Data da última atualização: |
27/06/1996 |
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Autoria: |
BURKART, A. |
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Título: |
Evolution of grasses and grasslands in South America. |
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Ano de publicação: |
1975 |
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Fonte/Imprenta: |
Taxon, v.24, n.1, p.53-66, Feb. 1975. |
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Idioma: |
Inglês |
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Conteúdo: |
This is a discussion of the South American grassland from the standpoint of their evolution and composition. The tribes are considered in relation to climate, and grasses are classified as mega-, meso-, or microthermic with respect to their temperature requirements. The principal grassland regions are three: (A) Tropical and Subtropical, which include the Llanos of the Orinoco River system and the Campos Cerrados of Central Brazil; (B) Temperate, including the Pampa of Argentina and the Campos of Uruguay; and (C) Cold Country Grassland, which are the Steppes of the high Andes and Patagonia, and also the Paramos of Colombia and Ecuador. Some attention is given to the floristic composition of each of these regions. The subject of endemism is dealt with, as well as the problem of disjunct distribution. Included is a discussion of changes brought about by agriculture and ranching in historic times, and what may be expected in the future. |
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Palavras-Chave: |
America do Sul; Evolucao. |
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Thesagro: |
Pastagem. |
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Thesaurus Nal: |
evolution; grasses; grasslands; South America. |
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Categoria do assunto: |
-- |
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Marc: |
LEADER 01447naa a2200205 a 4500
001 1789227
005 1996-06-27
008 1975 bl --- 0-- u #d
100 1 $aBURKART, A.
245 $aEvolution of grasses and grasslands in South America.
260 $c1975
520 $aThis is a discussion of the South American grassland from the standpoint of their evolution and composition. The tribes are considered in relation to climate, and grasses are classified as mega-, meso-, or microthermic with respect to their temperature requirements. The principal grassland regions are three: (A) Tropical and Subtropical, which include the Llanos of the Orinoco River system and the Campos Cerrados of Central Brazil; (B) Temperate, including the Pampa of Argentina and the Campos of Uruguay; and (C) Cold Country Grassland, which are the Steppes of the high Andes and Patagonia, and also the Paramos of Colombia and Ecuador. Some attention is given to the floristic composition of each of these regions. The subject of endemism is dealt with, as well as the problem of disjunct distribution. Included is a discussion of changes brought about by agriculture and ranching in historic times, and what may be expected in the future.
650 $aevolution
650 $agrasses
650 $agrasslands
650 $aSouth America
650 $aPastagem
653 $aAmerica do Sul
653 $aEvolucao
773 $tTaxon$gv.24, n.1, p.53-66, Feb. 1975.
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Registro original: |
Embrapa Pantanal (CPAP) |
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| Registros recuperados : 2 | |
| 1. |  | MAFACIOLI, R.; TESSMANN, D. J.; SANTOS, A. F. dos; VIDA, J. B.; SOUTO, E. R.; HARAKAVA, R. Caracterização molecular de Colletotrichum gloeosporioides da pupunheira e outras hospedeiras baseada em sequências de gene beta-tubulina. Fitopatologia Brasileira, v. 31, (supl.), p. 318, ago. 2006. Edição dos Resumos do 39º Congresso Brasileiro de Fitopatologia, 2006, Salvador. Resumo 0788.| Tipo: Resumo em Anais de Congresso |
| Biblioteca(s): Embrapa Florestas. |
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| 2. | | TESSMANN, D. J; MAFACIOLI, R.; SANTOS, A. F. D.; VIDA, J. B.; HARAKAVA, R.; SOUTO, E. R. Molecular characterization of Colletotrichum gloesporioides isolates from peach palm (Bactris gasipaes) and other hosts based on ribosomal DNA sequences. In: CONGRESSO LATINO AMERICANO DE MICOLOGIA, 5., 2005, Brasília, DF. Anais... Associação Latino Americana de Micologia. p. 246.| Tipo: Resumo em Anais de Congresso |
| Biblioteca(s): Embrapa Florestas. |
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| Registros recuperados : 2 | |
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| Nenhum registro encontrado para a expressão de busca informada. |
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