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Registro Completo |
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Biblioteca(s): |
Embrapa Cerrados. |
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Data corrente: |
14/10/1996 |
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Data da última atualização: |
14/10/1996 |
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Autoria: |
GOTTLIEB, O. R.; BORIN, M. R. de M. B. |
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Título: |
The diversity of plants. Where is it? Why is it there? What will it become? |
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Ano de publicação: |
1994 |
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Fonte/Imprenta: |
Anais da Academia Brasileira de Ciencias, v.66, p.55-83, 1994. Suplemento. |
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Descrição Física: |
8 tabelas; 26 figuras. |
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Idioma: |
Inglês |
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Notas: |
Apresentado no "Workshop on Ecology and Biodiversity", Rio de Janeiro, 1994. |
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Conteúdo: |
The answer to the first title-question requires pre-qualification of biodiversity. With increasing latitude from the equator to the tropic of capricorn and for morphology-base characteristics of plants, while species-diversity may decline, taxon-diversity indeed increases. Concomitantly, for metabolism-based characteristics, while diversity of shikimate derived phenolics declines, diversity of acetate derived aliphatics increases. Again, there may be more plant species in rain forest plots than in cerrado plots of equal area. However, taxon-diversity is certainly much higher in the latter. With respect to metabolism, for shikimate derived phenolics strong diversity in the rainforest coincides with small diversity in the cerrado. The opposite regularity dominates the distribution of acetate derived aliphatics. The answer to the second title-question: Rainforests are rich in species diversity, but poor in taxon-diversity because speciation leads mostly to closely related woody forms. Only restriction of lignin biosynthesis, whatever the reason, can liberate the otherwise ubiquitous trends in angiosperm evolution towards the numerous more herbaceous taxa. And finally the answer to the third title-question: If alternation between species-diversity and taxon-diversity indeed determines habit of vascular plants, preferential exploitation of forest trees by mankind must have contributed to strengthening of taxon-diversity worldwide. |
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Palavras-Chave: |
Neotropical region; Plants; Regiao Neotropical. |
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Thesagro: |
Biodiversidade; Cerrado; Taxonomia Vegetal. |
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Thesaurus Nal: |
biodiversity; taxonomy. |
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Categoria do assunto: |
-- |
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Marc: |
LEADER 02230naa a2200253 a 4500
001 1551925
005 1996-10-14
008 1994 bl --- 0-- u #d
100 1 $aGOTTLIEB, O. R.
245 $aThe diversity of plants. Where is it? Why is it there? What will it become?
260 $c1994
300 $c8 tabelas; 26 figuras.
500 $aApresentado no "Workshop on Ecology and Biodiversity", Rio de Janeiro, 1994.
520 $aThe answer to the first title-question requires pre-qualification of biodiversity. With increasing latitude from the equator to the tropic of capricorn and for morphology-base characteristics of plants, while species-diversity may decline, taxon-diversity indeed increases. Concomitantly, for metabolism-based characteristics, while diversity of shikimate derived phenolics declines, diversity of acetate derived aliphatics increases. Again, there may be more plant species in rain forest plots than in cerrado plots of equal area. However, taxon-diversity is certainly much higher in the latter. With respect to metabolism, for shikimate derived phenolics strong diversity in the rainforest coincides with small diversity in the cerrado. The opposite regularity dominates the distribution of acetate derived aliphatics. The answer to the second title-question: Rainforests are rich in species diversity, but poor in taxon-diversity because speciation leads mostly to closely related woody forms. Only restriction of lignin biosynthesis, whatever the reason, can liberate the otherwise ubiquitous trends in angiosperm evolution towards the numerous more herbaceous taxa. And finally the answer to the third title-question: If alternation between species-diversity and taxon-diversity indeed determines habit of vascular plants, preferential exploitation of forest trees by mankind must have contributed to strengthening of taxon-diversity worldwide.
650 $abiodiversity
650 $ataxonomy
650 $aBiodiversidade
650 $aCerrado
650 $aTaxonomia Vegetal
653 $aNeotropical region
653 $aPlants
653 $aRegiao Neotropical
700 1 $aBORIN, M. R. de M. B.
773 $tAnais da Academia Brasileira de Ciencias$gv.66, p.55-83, 1994. Suplemento.
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Embrapa Cerrados (CPAC) |
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| Registros recuperados : 135 | |
| 83. |  | FLUMIGNAN, D. L.; SILVA, J. A. da; SOUZA, C. H. M. de; REZENDE, M. K. A. FATOR de resposta da produção (Ky) do milho safrinha para a região de Dourados, MS. In: CONGRESSO BRASILEIRO DE AGROMETEOROLOGIA, 20.; SIMPÓSIO DE MUDANÇAS CLIMÁTICAS E DESERTIFICAÇÃO DO SEMIÁRIDO BRASILEIRO, 5., 2017, Juazeiro. A agrometeorologia na solução de problemas multiescala: anais. Petrolina: Embrapa Semiárido: Univasf, 2017. P. 2958-2962| Tipo: Artigo em Anais de Congresso |
| Biblioteca(s): Embrapa Agropecuária Oeste. |
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| 89. | | FIETZ, C. R.; COMUNELLO, E.; FLUMIGNAN, D. L.; LAMAS, F. M. Época de semeadura do algodoeiro na região de Dourados, MS, com base no risco climático. In: CONGRESSO BRASILEIRO DE AGROMETEOROLOGIA, 21., 2019, Catalão. Anais... Catalão: CBAGRO: UFGO, 2019. p. 1196-1200| Tipo: Artigo em Anais de Congresso |
| Biblioteca(s): Embrapa Agropecuária Oeste. |
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| 94. | | RIBAS, H. S.; FLUMIGNAN, D. L.; SILVA, C. J. da; COMUNELLO, E.; GEISENHOFF, L. O. Determinação do coeficiente de cultivo (Kc) da cana-de-açúcar para a região de Dourados, MS. In: JORNADA DE INICIAÇÃO À PESQUISA DA EMBRAPA, 2019, Dourados. Resumos... Brasília, DF: Embrapa, 2019. JIPE 2019| Tipo: Resumo em Anais de Congresso |
| Biblioteca(s): Embrapa Agropecuária Oeste. |
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| Registros recuperados : 135 | |
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