GLOBAL JOURNAL OF EARTH AND ENVIRONMENTAL SCIENCE
Integrity Research Journals
ISSN: 2636-6002
Model: Open Access/Peer Reviewed
DOI: 10.31248/GJEES
Start Year: 2016
Email: gjees@integrityresjournals.org
Productivity and rate of litter decomposition in wimbi watershed forest area, Central Sulawesi, Indonesia
https://doi.org/10.31248/GJEES2023.131 | Article Number: 0BD1FB9B2 | Vol.8 (1) - February 2023
Received Date: 18 January 2023 | Accepted Date: 21 February 2023 | Published Date: 28 February 2023
Authors: Adam Malik* and Naharuddin Naharuddin
Keywords: productivity, Decomposition rate, litter, production forest
The purpose of this research was to analyze the productivity and rate of litter decomposition in the Production Forest Area of Wimbi Village, Poso Regency. This research was conducted for six months, from March to September 2021. The method used was the survey method. Litter collection was carried out using a litter trap measuring 1 × 1 m2. The litter trap was made of nylon, which was placed at a height of 50 cm. The placement of the litter collection device was expected to optimally accommodate vegetation litter. The fallen litter was collected every week and separated according to its category. Furthermore, the litter was dried by putting it in a litter decomposition bag. The placement of the litter trap was divided into three observation points based on vegetation density. To determine the density of vegetation, purposive sampling was carried out by using a plot measuring 20 m x 20 m. Each density was sampled with four litter traps. The weight measurement of the decomposition litter was carried out at the Forestry Laboratory, Faculty of Agriculture, Tadulako University. The results showed that at high density, the number of individuals obtained was 1125 ind/ha, medium density the number of individuals obtained was 875 ind/ha and at low density, the number of individuals obtained was 750 ind/ha. Total litter productivity in production forest areas at high density was 514.01 gr/m2/week, at a medium density of 420.94 gr/m2/week and at a low density of 327.58 gr/m2/week. The average weight loss in the forest area was 0.69 grams with a litter decomposition rate of 2.96%/week. Productivity of litter in production forest areas shows that the higher the number of individual vegetation, the higher the density of litter production, therefore it is necessary to stabilize the management of production forests in a sustainable manner.
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