ANALISIS PERUBAHAN TINGKAT KEKRITISAN MANGROVE DI KECAMATAN TELUKNAGA KABUPATEN TANGERANG

MUHAMMAD HILMY RAHMAN, . (2026) ANALISIS PERUBAHAN TINGKAT KEKRITISAN MANGROVE DI KECAMATAN TELUKNAGA KABUPATEN TANGERANG. Sarjana thesis, UNIVERSITAS NEGERI JAKARTA.

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Abstract

Kecamatan Teluknaga, Kabupaten Tangerang merupakan wilayah pesisir yang mengalami tekanan terhadap ekosistem mangrove akibat perubahan penggunaan lahan dan abrasi. Penelitian ini bertujuan menganalisis perubahan tingkat kekritisan mangrove berdasarkan unit lahan yang dibentuk dari status perubahan mangrove, penggunaan lahan, kerapatan tajuk, dan ketahanan tanah terhadap abrasi. Penelitian menggunakan metode deskriptif kuantitatif dengan pendekatan analisis spasial berbasis Sistem Informasi Geografis (SIG) dan penginderaan jauhTingkat kekritisan mangrove ditentukan berdasarkan Pedoman Inventarisasi dan Identifikasi Lahan Kritis Mangrove Departemen Kehutanan (2005) menggunakan metode skoring dan weighted overlay. Hasil penelitian menunjukkan bahwa luas mangrove menurun dari 169,63 ha menjadi 145,67 ha, sedangkan luas mangrove dengan kerapatan tajuk tinggi meningkat dari 123,02 ha menjadi 144,45 ha. Perubahan penggunaan lahan didominasi oleh konversi tambak dan sawah menjadi lahan kosong, sementara analisis status perubahan menunjukkan luas mangrove yang hilang lebih besar dibandingkan mangrove yang bertambah. Meskipun demikian, kategori tidak rusak meningkat dari 94,70 ha menjadi 136,77 ha, sedangkan kategori rusak dan rusak berat mengalami penurunan. Analisis pada Unit P menunjukkan bahwa sebagian besar mangrove yang bertahan tetap berada pada kategori tidak rusak atau mengalami perbaikan kondisi. ***** Teluknaga District, Tangerang Regency, is a coastal area experiencing pressure on its mangrove ecosystem due to land use change and coastal abrasion, resulting in a decline in mangrove extent. This study aimed to analyze changes in mangrove criticality based on mangrove land units derived from mangrove change status, land use, canopy density, and soil resistance to abrasion. A quantitative descriptive method with a spatial analysis approach based on Geographic Information Systems (GIS) and remote sensing was employed. Mangrove criticality was determined using a scoring system and weighted overlay based on the Guidelines for the Inventory and Identification of Critical Mangrove Land issued by the Indonesian Ministry of Forestry (2005). The results showed that the total mangrove area decreased from 169.63 ha in 2020 to 145.67 ha in 2025, whereas the area with high canopy density increased from 123.02 ha to 144.45 ha. Land use change was mainly characterized by the conversion of fishponds and paddy fields into open land, indicating extensive land clearing in the coastal area. Mangrove change analysis identified 110.98 ha of persistent mangroves (Unit P), 34.68 ha of gained mangroves (L1), and 58.65 ha of lost mangroves (L2). The area classified as non-critical increased from 94.70 ha to 136.77 ha, while the critical and severely critical categories decreased. Analysis of Unit P revealed that most persistent mangroves remained in the non-critical category or improved from critical to non-critical conditions.

Item Type:	Thesis (Sarjana)
Additional Information:	1). Fauzi Ramadhoan A'Rachman S.Pd., M.Sc.; 2). Rayuna Handawati, S.Si., M.Pd.
Subjects:	Geografi, Antropologi > Geografi
Divisions:	FIS > S1 Geografi
Depositing User:	Muhammad Hilmy Rahman .
Date Deposited:	07 Aug 2026 02:25
Last Modified:	07 Aug 2026 02:25
URI:	http://repository.unj.ac.id/id/eprint/69086

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