Impact on pteridophyte diversity due to forest clearance in Sg.Mahua, Crocker Range Park, Sabah

Charan Jit Kaur Thera Singh, (2007) Impact on pteridophyte diversity due to forest clearance in Sg.Mahua, Crocker Range Park, Sabah. University Malaysia Sabah. (Unpublished)

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Abstract

This study is to compare the pteridophyte diversity between permanent plot in Sg. Mahua substation and the plot in a regrowth area where the forest has been previously cleared. Total number of five pteridophyte species was found in regrowth area and 12 species were found in primary forest. The value of Shannon Weiner Index for regrowth area (0.54165) and primary forest (1.08674) shows that the pteridophyte diversity in primary forest is higher. Paired t-test significance value which is less than 0.05 (p = 0.007) proved that there is a significant difference between the means of Shannon - Weiner Index for primary forest and regrowth area. On the other hand, comparison of Evenness Index between regrowth area (0.33655) and primary forest (0.43734) indicates that species equitability in primary forest is higher than regrowth area. There are four environmental parameters that were measured as supporting evidence to the differences in the pteridophyte between the two plots. They are light intensity, moisture, temperature and soil pH. It is shown that diversity of pteridophyte is higher in primary forest because the area has more ideal conditions for pteridophyte growth such as filtered light, adequate moisture, protection from excessive wind and a bit acidic soil More studies about pteridophyte should be carried out especially on comparison of pteridophyte diversity between disturbed and undisturbed area. This is to see different level of disturbance on pteridophyte diversity

Item Type: Academic Exercise
Uncontrolled Keywords: pteridophyte diversity, Sg. Mahua, regrowth, Paired t-test, Shannon - Weiner Index
Subjects: S Agriculture > SD Forestry
Divisions: SCHOOL > School of Science and Technology
Depositing User: MDM SITI AZIZAH IDRIS
Date Deposited: 20 May 2014 03:09
Last Modified: 13 Oct 2017 04:11
URI: http://eprints.ums.edu.my/id/eprint/9058

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