Plant diversity and stand characteristics of Asajaya Mangrove forest

Farah Amalina, Mohamed Affandi (2014) Plant diversity and stand characteristics of Asajaya Mangrove forest. [Final Year Project Report] (Unpublished)

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Abstract

Mangroves offer mankind many benefits in daily life. Mangroves are extremely important for supporting the fisheries industry which generates a high amount of revenue and they are rich source of timber which can be harvested on a sustainable basis. There are 33 genera and 79 species of mangrove plants in the world approximately. This study focused on determining the species composition and distribution, and the status of mangrove stands in Asajaya mangrove forest. Three line transects were established within the study area. Twenty sampled plots of 20 x 20 m were set up and enumerated. The dominant species in the forest area was Sonneratia alba (Perepat), followed by Rhizophora mueronata, Avieennia alba and Avieennia marina. The highest frequency per hectare was Sonneratia alba with 460 treeslha. Almost 50 % of the enumerated trees were in the diameter class 5-15 cm at DBH. Heights of trees were 7.28 m in average. The highest basal area per hectare was S. alba with 14 m2 lha. Sonneratia alba also had the highest importance value index with 43.3 % and the lowest was A. marina with 2.9 %. The Shannon-weiner index calculated was 0.35. Further study is required in order to cover other parts of Asajaya Mangrove forest so that reliable results can be obtained and the status can be assessed correctly.

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