Survival and growth of tree seedlings in anthropogenically disturbed Mexican montane rain forests
The montane rain forest in Chiapas, Mexico has been subject to continuous human disturbance, mainly by wood extraction, cattle grazing and fire. To address the effect of this kind of disturbance regime on regeneration, survival and growth of naturally established tree seedlings were evaluated during a 3-yr period in three forest stands which varied in frequency and intensity of human disturbance. Frequency of cattle browsing on transplanted seedlings of Cornus disciflora, Liquidambar styraciflua and Oreopanax xalapensis planted on different facing slopes was evaluated over an 18-mo period, their survival and growth was also determined. The density of seedlings, number of species and survival of naturally recruited tree seedlings decreased with increased intensity of disturbance. Only seedlings of Pinus and Quercus species were recorded in heavily disturbed conditions.
Main Author: | Ramírez Marcial, Neptalí 1963- Doctor autor/a 5449 |
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Format: | Texto biblioteca |
Language: | spa |
Subjects: | Podocarpus, Liquidambar, Disturbio ecológico, Reforestación, Pinos, Regeneración forestal, Artfrosur, |
Online Access: | http://www.bioone.org/doi/pdf/10.1658/1100-9233%282003%29014%5B0881%3ASAGOTS%5D2.0.CO%3B2 |
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