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Journal : JURNAL HUTAN TROPIS

ANALISIS KELAS KEMAMPUAN PENGGUNAAN LAHAN DI AREAL SUB DAS RIAM KANAN KABUPATEN BANJAR PROVINSI KALIMANTAN SELATAN Sumaryono, Sumaryono; Badaruddin, Badaruddin; Ruslan, Muhammad
Jurnal Hutan Tropis Vol 12, No 4 (2024): Jurnal Hutan Tropis Volume 12 Nomer 4 Edisi Desember 2024
Publisher : Lambung Mangkurat University-Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20527/jht.v12i4.21454

Abstract

Inappropriate land use can result in changes in environmental conditions that have negative impacts on humans. Land use that is not in accordance with its capabilities can cause various disasters, such as excessive erosion, landslides, floods, droughts, and an increase in the area of critical land. The Riam Kanan sub-watershed is one of the sub-watersheds in Banjar Regency, South Kalimantan whose condition requires conservation because this area has varying slopes, so if the land is not managed properly, it can cause flooding and other natural disasters. Based on this, it is necessary to carry out research related to the Land Use Capability Classification. The aim of this research is to analyze inhibiting or limiting factors and to formulate land use capability classes. The highest slope percentage of 15 - 25% is found in Land Unit 3 (three) Block A, Land Unit 4 (four) Block B and Land Unit 2 (two) in Block D. The lowest slope percentage of 3-8% is found in Unit Land 1 (one) Block A, Land Unit 1 (one) Block B and Land Unit 3 (three) in Block C. Other Land Units have a slope percentage of 8-15%. Land Use Capability Classes (KPL) obtained from the analysis results are 3 (three) Land Use Capability Classes (KPL), namely 1). KPL II with Soil Depth Limiting Factor "s". 2). KPL III with limiting factors for slope, soil depth and erosion. 3). KPL IV with Erosion Limiting Factor "e".
KEANEKARAGAMAN VEGETASI HUTAN MANGROVE DI KECAMATAN KURAU KABUPATEN TANAH LAUT Fithria, Abdi; Syam'ani, Syam'ani; Udiansyah, Udiansyah; Ruslan, Muhammad; Rezekiah, Arfa Agustina; Pramudya, Firman; Akbar, Pani; Diva, Achmad Arya; Fahmi, Hilman; Shiba, Yasinta Nur
Jurnal Hutan Tropis Vol 12, No 4 (2024): Jurnal Hutan Tropis Volume 12 Nomer 4 Edisi Desember 2024
Publisher : Lambung Mangkurat University-Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20527/jht.v12i4.21446

Abstract

Kurau sub-district in Tanah Laut Regency is known to have a fairly extensive mangrove forest with great potential. One of the potentials is the variety of mangrove vegetation that grows in the forest. vegetation that grows in it. Knowing the diversity of mangrove forest species in Kurau sub-district aims to provide a scientific basis for in Kurau sub-district aims to provide a scientific basis for protecting and monitoring the forest. and forest supervision. The method used in the research is the technique of collecting data with purposive sampling and then analyzing with calculation of importance value index and Shannon-Wiener diversity index. Research The research was conducted based on the level of forest density consisting of high, medium and sparse forest density. high, medium, and sparse. The results obtained there are 11 types of vegetation that grow in mangrove forests and are dominated by the type of mangrove (Rhizophora mangle) which grows from seedling to tree level. Then followed by Rambai (Sonneratia caseolaris) and Api-api (Avicennia lanata). The level of species diversity in this mangrove forest is categorized as high with an index value of 5.5. high category with an index value of 5.46 for high forest density, 4.22 for medium forest density. While for sparse forest density included in the medium diversity category with a value of 2.34.