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- W2376604111 abstract "To clarify regenerative traits and explore effects of canopy cover, density, distance, dispersers, or predators on fates of seeds or seedlings of Phoebe bournei , fruit fall, seed bank, seed dispersal, fruit/seed predation, seed germination and seedling survival were examined in a mid|subtropical evergreen broadleaf forest in Luoboyan Nature Reserve, southeastern China. Fruit production averaged 116 fruits/m 2 between 1995 and 1996, and 103 fruits/m 2 between 1997 and 1998. The peak of fruit ripening appeared in mid|January, 1996, and in mid|December,1997. Most fruits(90 1%) fell directly from parent trees and less than 9 5 per cent were disseminated by birds between 1997 and 1998. Field and laboratory germination rate differed sharply with 93 0 per cent in laboratory compared to 12 per cent in the field. Poor field germination rate was mainly due to rotted seeds attacked by soil pathogens. Phoebe did not have a persistent seed bank strategy. Its seeds germinated in early April and were inviable after July. Predators affected not only seed survival, but seedling mortality as well. The number of predated fruits or lost seedlings in the unprotected plots differed significantly from that in the protected plots. Recent gaps or far distance from parent trees reduced fruit removal and seedling mortality, but their interaction was not always the case. Density dependence occurred in the very young seedling stage(about 2～3 months),but did not significantly affected fruit predation or mortality of seedlings more than 3 months. These results indicate that Phoebe seeds or seedlings suffer high environmental pressures, i.e., most seeds near parent trees in high moist habitats are susceptible not only to soil pathogens, but to high predation beneath parent trees′canopy as well, which results in poor field seed germination and seedling survival." @default.
- W2376604111 created "2016-06-24" @default.
- W2376604111 creator A5088956194 @default.
- W2376604111 date "2001-01-01" @default.
- W2376604111 modified "2023-09-25" @default.
- W2376604111 title "Seed and seedling ecology of the endangered Phoebe bournei (Lauraceae)" @default.
- W2376604111 hasPublicationYear "2001" @default.
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