STUDYING BIODIVERSITY OF FERN (POLYPODIOPHYTA) IN HON GIAO DWARF FOREST – BIDOUP NUI BA NATIONAL PARK

Nguyễn Hồng Hạnh, Trần Văn Tiến

Abstract


The quantitative analysis of Fern diversity for Hon Giao dwarf forest in Bidoup Nui Ba National Park is necessary to create a solution for conservation and sustainable use of biodiversity resources. The quantitative analysis of biology in order to determine the following in indicies: taxon diversity, Density (D), Frequency (F), Abundance (A), A/F, H (Shannon’s index), Cd (Simpson’S index), SI (Sorensen’s index) was used to quantify the diversity of Fern. The results showed that quantitative support for the generality of positive heterogeneity-richness relationship across heterogeneity components, taxa, spartial scale. The taxon diversity at the study sites were recorded with 25 species, 22 genus and 4 orders of Fern. The species distributed and varied greatly in spatial scale. Fern diversity was the highest at sites with low altitudes (1600-1700 m a.s.l.) and the lowest at site with high altitudes (≥ 1800m a.s.l.). Otherwise, based on the sites were they grew, Fern diversity was also the higest with high soil moisture, fertility.


Keywords


Diversity index; Dwarf forest; Fern; Inventory

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DOI: http://dx.doi.org/10.37569/DalatUniversity.6.4.88(2016)

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