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Andriwibowo Andriwibowo
Universitas Indonesia
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PEMODELAN POLA KOLONISASI VEGETASI PADA EKOSISTEM EKSTREM KAWAH GUNUNG BERAPI RINJANI DAN TAMBORA Andriwibowo Andriwibowo
Gunung Djati Conference Series Vol. 6 (2021): Seminar Nasional Biologi (SEMABIO) 6 Tahun 2021
Publisher : UIN Sunan Gunung Djati Bandung

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Abstract

Vegetation colonization can occur in various ecosystems. One of the extreme ecosystems for vegetation colonization is a volcanic crater. Given that the ecosystem is located at an altitude of thousands of meters, sometimes high temperatures, strong winds, and no soil layer that contains nutrients. Even so, in the vegetation ecosystem there are sediment deposits and sometimes a lake is formed. Sediment deposits on the surface of the crater will be a medium that supports vegetation colonization. Related to this, this study aims to model the colonization of vegetation around the crater formed at Rinjani (3726 m) and Tambora (2850 m) volcanoes. The crater of Mount Rinjani is known to have formed sedimentation on the surface of the crater covering an area of 3.983 km2. In the sediment the vegetation cover is estimated at 2.866 km2. New vegetation colonization appears to have formed on the edge of the crater surface on the south side. While the area of sediment deposits in the crater of Mount Tambora is 5.333 km2. In the sediment the vegetation cover is estimated at 2.188 km2. In the Tambora crater, new vegetation colonization was also seen around the crater surface. The vegetation colonization index in Rinjani is 0.719 and is greater than the index in Tambora with a value of 0.410. It can be concluded that the vegetation colonization on the surface of the crater is higher at Mount Rinjani.
Pemetaan Tutupan Mangrove Dan Potensi Stok Karbon Pada Kawasan Restorasi Tangkolak Di Pesisir Cilamaya, Karawang, Jawa Barat Andriwibowo Andriwibowo; Nana Suryana Nasution; Adi Basukriadi; Erwin Nurdin
Gunung Djati Conference Series Vol. 6 (2021): Seminar Nasional Biologi (SEMABIO) 6 Tahun 2021
Publisher : UIN Sunan Gunung Djati Bandung

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (403.179 KB)

Abstract

Mangrove restoration through planting activities has been carried out on the coast of Cilamaya, Karawang, West Java. The planting activities were focused on the Tangkolak and Pasir Putih areas. Then, this study aims to map the mapping of mangrove cover in the Tangkolak and Pasir Putih restoration areas. The mapping method used for mapping is a Geographic Information System (GIS). The results showed that in Pasir Putih the area of mangrove restoration was 0.347 km2, residential areas were 0.243 km2, and 2.295 km2 for paddy fields or ponds. While in Tangkolak the area of mangrove restoration is 0.46 km2, settlements are 0.256 km2, and 2.413 km2 for paddy fields or ponds. The comparison of the mangrove restoration area between Tangkolak and Pasir Putih is 1.32 : 1. It is estimated that the potential carbon stock in the restoration area were ranging from 84 ton/ha (95%CI: 77-91 ton/ha) to 92 ton/ha (95%CI: 88-96 ton/ha). From the results of the study, it can be concluded that there is mangrove cover with potential carbon stocks resulting from the restoration of Tangkolak and Pasir Putih.
Co-Authors Adi Basukriadi Erwin Nurdin Nana Suryana Nasution