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All Journal Jurnal Ilmu-Ilmu Kehutanan
Nurika Arum Sari
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Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Decision Sciences, Operations Research & Management Environmental Science

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Shade Tress in Agroforestry Cultivation Systems as a Solution to Improve Environmental Quality and Welfare of Ulubelu Coffee Farmers Khoryfatul Munawaroh; Eti Artiningsih Octaviani; Nurika Arum Sari; Rio Ardiansyah Murda; Arif Mulizar; Kukuh Diki Prasetya
Jurnal Ilmu Ilmu Kehutanan Vol. 7 No. 2 (2023)
Publisher : Jurusan Kehutanan Fakultas Pertanian Universitas Riau

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31258/jiik.7.2.68-76

Abstract

This research was based on the condition of the Ulubelu District area, which experienced a decrease in environmental quality and coffee yield productivity. Coffee plantations in Ulubelu District, Tanggamus have experienced a reduction in productivity over the last three years. This reduction in quality is due to the age of the less productive coffee plants (30-40 years) and the lack of shade trees. This study aims to determine the effect of shade trees on coffee productivity and land conditions in coffee agroforestry systems on farmers' land. This research was carried out to increase the productivity of coffee plantations economically and ecologically. The initial stage of this research is collecting secondary data on the application of agroforestry by coffee farmers in the Ulubelu area. The results showed that Ulubelu farmers had implemented agroforestry principles, but they are not optimal in terms of the percentage of shade trees and types of trees planted. Therefore, the recommendation is to plant shade trees of Indigofera sp. with the characteristics of deep roots and the leaves are used to feed cattle
Vegetation Analysis and Carbon Stock Estimation of Mangrove Island on Mangrove Ecotourism in Gebang Village, Lampung Eti Artiningsih Octaviani; Nurika Arum Sari
Jurnal Ilmu Ilmu Kehutanan Vol. 6 No. 2 (2022)
Publisher : Jurusan Kehutanan Fakultas Pertanian Universitas Riau

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31258/jiik.6.2.22-29

Abstract

Mangrove forests have an important role in reducing the effects of global warming. This study aims to analyze vegetation and estimate carbon stock in mangrove stands in the Mangrove Island of Petengoran Mangrove Ecotourism Area, Gebang Village, Lampung. The forest vegetation analysis method used is the plotted path method. Paths and plots were taken systematically with tree observation plots made measuring 20 m x 20 m. Carbon estimation was carried out by non-destructive sampling method using the allometric formula for Rhizophora apiculata log BBA= -1.315 + 2.614 log D. The results showed that the mangrove island zone was dominated by Rhizophora apiculata vegetation with a density of 325 ind/Ha. The research location has a silty clay loam soil texture with a temperature range of 25°C-32°C which is very suitable for the vegetation of R. apiculata. The estimated carbon stored in the vegetation was obtained from 46% of the standing biomass of R. apiculata, which was 86,283 tons C/Ha.
Co-Authors Arif Mulizar Eti Artiningsih Octaviani Khoryfatul Munawaroh Kukuh Diki Prasetya Rio Ardiansyah Murda