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Registro Completo |
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Biblioteca(s): |
Embrapa Pantanal. |
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Data corrente: |
29/06/1995 |
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Data da última atualização: |
05/04/2017 |
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Autoria: |
LANGE, J. H. de; BOUCHER, C. |
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Título: |
Autecological studies on Audouinia capitata (Bruniaceae). 8.Role of fire in regeneration. |
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Ano de publicação: |
1993 |
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Fonte/Imprenta: |
South African Journal of Botany, v.59, n.2, p.188-202, 1993. |
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Idioma: |
Inglês |
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Conteúdo: |
In A. capitata the protracted juvenile phase, the longevity of plants and their effective vegetative fire regeneration, are all possibly adaptively linked to poor sexual reproduction. After a fire-free period of more than ten years, averages of only 4.7 and 0.4 seedlings per plant were recruited following summer and winter burns, respectively. The positive correlation between the prevalence of fynbos fires from January to March and the germination response of soil-borne seeds when treated with smoke at different times of the year, suggested that species has evoveld in a fire-prone vegetation in a climate with a seasonal rainfall distribution similar to the present one. The vegetative vigour of shoots, the size and numbers of inflorescences and seed set were increased by fire. The continuation of a policy of late autumn and winter burns may be fatal for survival of the species. Plants responsed favourably to fire at a post-fire age of 11 years. Some populations, however, were still vigorous and sexually productive at a post-fire age of 20 years. |
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Palavras-Chave: |
Audouinia capitata; Fire; Plant; Renegeration. |
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Thesagro: |
Ecologia; Fogo; Planta; Regeneração. |
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Thesaurus Nal: |
Bruniaceae; ecology. |
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Categoria do assunto: |
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Marc: |
LEADER 01720naa a2200253 a 4500
001 1784716
005 2017-04-05
008 1993 bl --- 0-- u #d
100 1 $aLANGE, J. H. de
245 $aAutecological studies on Audouinia capitata (Bruniaceae). 8.Role of fire in regeneration.
260 $c1993
520 $aIn A. capitata the protracted juvenile phase, the longevity of plants and their effective vegetative fire regeneration, are all possibly adaptively linked to poor sexual reproduction. After a fire-free period of more than ten years, averages of only 4.7 and 0.4 seedlings per plant were recruited following summer and winter burns, respectively. The positive correlation between the prevalence of fynbos fires from January to March and the germination response of soil-borne seeds when treated with smoke at different times of the year, suggested that species has evoveld in a fire-prone vegetation in a climate with a seasonal rainfall distribution similar to the present one. The vegetative vigour of shoots, the size and numbers of inflorescences and seed set were increased by fire. The continuation of a policy of late autumn and winter burns may be fatal for survival of the species. Plants responsed favourably to fire at a post-fire age of 11 years. Some populations, however, were still vigorous and sexually productive at a post-fire age of 20 years.
650 $aBruniaceae
650 $aecology
650 $aEcologia
650 $aFogo
650 $aPlanta
650 $aRegeneração
653 $aAudouinia capitata
653 $aFire
653 $aPlant
653 $aRenegeration
700 1 $aBOUCHER, C.
773 $tSouth African Journal of Botany$gv.59, n.2, p.188-202, 1993.
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Registro original: |
Embrapa Pantanal (CPAP) |
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| Registros recuperados : 1 | |
| 1. |  | LANGE, J.; RESENDE, A.; WANDERLEY, F.; RODRIGUES, D. de S.; GAMBETTA, R. A molecular dynamic protocol to study deconstruction of crystalline cellulose systems at high temperatures. In: WORLD CONGRESS OF ENGINEERING, 10., 2017, London, UK. [Proceedings ...]. Hong Kong: International Association of Engineers, 2017. Não paginado.| Tipo: Resumo em Anais de Congresso |
| Biblioteca(s): Embrapa Agroenergia. |
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