Analisis Spasial Perubahan Tutupan Lahan pada Area Kesatuan Hidrologis Gambut Krueng Wonki-Bubon di Kabupaten Aceh Barat
DOI:
https://doi.org/10.32522/0bx49148Keywords:
Aceh Barat, Kesatuan Hidrologis Gambut, penginderaan jauh, perubahan tutupan lahan, Sistem Informasi GeografisAbstract
Penelitian ini bertujuan untuk mengidentifikasi kondisi tutupan lahan, menganalisis perubahan tutupan lahan, serta menghitung luas perubahan tutupan lahan pada area KHG Krueng Wonki-Bubon di Kabupaten Aceh Barat periode 2020 dan 2025. Penelitian dilakukan menggunakan pendekatan penginderaan jauh dan sistem informasi geografis dengan memanfaatkan citra landsat 8 tahun 2020 dan 2025 dengan dilakukan analisis melalui pengolahan data spasial, overlay, dan perhitungan luas masing-masing kelas tutupan lahan. Hasil penelitian menunjukkan bahwa area KHG Krueng Wonki-Bubon didominasi oleh kelas perkebunan pada kedua tahun pengamatan dengan luas 5.032,69 ha (48,6%) pada tahun 2020 dan meningkat menjadi 6.019,92 ha (58,1%) pada tahun 2025. Luas lahan terbuka mengalami penurunan dari 530,20 ha menjadi 187,20 ha, belukar rawa juga menurun dari 4.257,39 ha menjadi 3.737,57 ha. Hutan rawa sekunder masih ditemukan seluas 170,62 ha pada tahun 2025. Perubahan tutupan lahan yang terjadi menunjukkan adanya peningkatan pemanfaatan lahan untuk kegiatan budidaya yang disertai berkurangnya tutupan vegetasi alami. Dengan demikian, dinamika tutupan lahan di area Krueng Wonki-Bubon di Kabupaten Aceh Barat periode 2020 dan 2025 didominasi oleh perluasan perkebunan yang berpotensi memengaruhi fungsi ekologis ekosistem gambut.
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