| Autor: |
Nguyen, V. Q., Pham, V. D., Bui, T. D., Nguyen, H. H. |
| Zdroj: |
Moscow University Biological Sciences Bulletin; Jun2023, Vol. 78 Issue 2, p89-99, 11p |
| Abstrakt: |
The niche theory is always central in explaining the structure of communities, helping to understand the distributions, interactions and coexistence of species fully. This study analysed niches and interspecific associations of dominant species in the evergreen broadleaved forest type. In 2022, we established a 3‑ha study plot within the strictly protected zone of Nui Ong Nature Reserve, southern Vietnam. All trees with a diameter at breast height (DBH) 5 cm in the study plot were determined, including their names and DBH. The results showed that five out of thirteen dominant species of the stand were ecologically significant. The similarity, breadth and overlap of niches of dominant tree species indicated that most were specialist species. The overall interspecific association among dominant species showed that the stand structure was relatively stable with a variance ratio = 1.34. Among seventy-nine pairs of thirteen dominant species, five pairs surpassed all tests of Chi-square, association coefficient and Pearson's correlation, in which two positive association pairs and three negative association pairs. The differences in niches and interspecific associations of dominant species in this study must be attentive in planning forest management and developing strategies for vegetation restoration in southern Vietnam. [ABSTRACT FROM AUTHOR] |
| Databáze: |
Complementary Index |
| Externí odkaz: |
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