Quantitative analysis of seed rain under natural and artificial perches in the Araucaria Forest

Authors

  • Sandra Bos Mikich Embrapa Florestas
  • Rafael Fernando da Silva Possette Universidade Federal do Paraná, Setor de Ciências Biológicas, Departamento de Botânica,Curso de Pós-graduação em Botânica

Keywords:

Araucaria Forest, bird perches, forest restoration, nucleation, seed dispersal, seed rain.

Abstract

The objective of this study was to compare the efficiency in terms of number of seeds deposited under natural and artificial bird-perches set in degraded areas of Araucaria Forest. Six experimental units were used, each containing seed traps set under natural perches (NP), artificial perches (AP) and under open sky (OS). After 12 months of weekly sampling 26880 zoochoric seeds were collected under AP, 5729 under NP, and only seven under OS. Thus, the presence of perches increases dramatically seed deposition and NP are more or as efficient as AP when the effect of deposition area is taken into account.

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How to Cite

MIKICH, Sandra Bos; POSSETTE, Rafael Fernando da Silva. Quantitative analysis of seed rain under natural and artificial perches in the Araucaria Forest. Pesquisa Florestal Brasileira, [S. l.], n. 55, p. 103, 2010. Disponível em: https://pfb.sede.embrapa.br/pfb/article/view/123. Acesso em: 20 apr. 2025.

Issue

No. 55 (2007): jul./dez.

Section

Scientific Notes

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