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Tropical dry-forest regeneration from root suckers in Central Brazil

Published online by Cambridge University Press:  18 April 2006

Daniel L. M. Vieira
Affiliation:
Embrapa Recursos Genéticos e Biotecnologia, Laboratório de Ecologia e Conservação. Parque Estação Biológica, Av. W5 Norte/Final, Caixa Postal 02372, 70770-900 Brasília, DF, Brazil Pós-Graduação em Ecologia, Universidade de Brasília, Caixa Postal 04457, 70919-970, Brasília, DF, Brazil
Aldicir Scariot
Affiliation:
Embrapa Recursos Genéticos e Biotecnologia, Laboratório de Ecologia e Conservação. Parque Estação Biológica, Av. W5 Norte/Final, Caixa Postal 02372, 70770-900 Brasília, DF, Brazil United Nations Development Programme, SCN quadra 2, bloco A, Ed. Corporate Financial Center, 7° andar, CEP 70712-901 Brasília, DF, Brazil
Alexandre B. Sampaio
Affiliation:
Embrapa Recursos Genéticos e Biotecnologia, Laboratório de Ecologia e Conservação. Parque Estação Biológica, Av. W5 Norte/Final, Caixa Postal 02372, 70770-900 Brasília, DF, Brazil Pós-Graduação em Ecologia, Universidade de Brasília, Caixa Postal 04457, 70919-970, Brasília, DF, Brazil
Karen D. Holl
Affiliation:
Department of Environmental Studies, University of California, Santa Cruz, CA 95064, USA

Abstract

Seed dispersal, predation, desiccation and seedling survival are strong bottlenecks that impede tropical forest recovery on abandoned agricultural lands (reviewed in Holl 2002). The ability to resprout after disturbances overcomes these barriers, as those individuals bypass the seed stage and have more vigorous shoots than seedlings (Bond & Midgley 2001, Kammesheidt 1999, Kennard et al. 2002). Resprouting is a particularly important recovery mechanism in tropical dry forests (reviewed in Vieira & Scariot 2006). There are a number of reasons why resprouting may be more important in dry forests than in rain forests, including slower decay rates of trunk bases (Ewel 1980), or adaptation of plants to drought (Bond & Midgley 2001, Sampaio et al. 1993).

Type
Brief Report
Copyright
2006 Cambridge University Press

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