Open AccessEstimation of aboveground biomass using allometric relationship between DBH and height for mixed mangrove forest in Setiu Wetland, Terengganu, Malaysia
Author(s) -
Ibrahim Kasawani,
A. Mohd-Zaki,
Onrizal Onrizal,
H. Zulhazman
Publication year - 2021
Publication title -
iop conference series. earth and environmental science
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.179
H-Index - 26
eISSN - 1755-1307
pISSN - 1755-1315
DOI - 10.1088/1755-1315/842/1/012042
Subject(s) - rhizophoraceae , mangrove , bruguiera , biomass (ecology) , biology , diameter at breast height , botany , forestry , agronomy , ecology , geography
A study was conducted to determine aboveground biomass in a mixed mangrove forest in Setiu Wetland, Terengganu, Malaysia. A total of 22 plots were established, diameter breast height (DBH) and height of each of the trees were measured and recorded. A total of three species from Rhizophoraceae and eight species from the non-Rhizophoraceae family were recorded. The highest no. of species for Rhizophoraceae is Bruguiera cylindrica with 189 individuals, meanwhile for non-Rhizophoraceae is Heritiera littoralis with 36 individuals. Linear regression between DBH to height had been done for stem allometry analysis for each species with Avicennia lanata shows good fit (r 2 = 0.906). The total aboveground biomass was 5 202.23 kg ha −1 . A. lanata recorded the highest (983.78 kg ha −1 ) total aboveground biomass because of various ranges of DBH and height. Linear regression also had been done between aboveground biomass to DBH and height. Rhizophora apiculata (Rhizophoraceae) and Excoecaria agallocha (non-Rhizophoraceae) show the highest value of regression between aboveground biomass to DBH which are r 2 = 0.925 and r 2 = 0.948 while B. gymnorrhiza (Rhizophoraceae) and Xylocarpus granatum (non-Rhizophoraceae) show the highest value of regression between aboveground biomass to height with r 2 = 0.806 and r 2 = 0.839. Overall, non-Rhizophoraceae have higher aboveground biomass as compared to Rhizophoraceae.