Perencanaan Rehabilitasi Hutan Dan Lahan (Rhl) Berbasis Kemampuan Lahan Di Daerah Tangkapan Air (Dta) Danau Tondano

Hengki Djemie Hengki hengki_walangitan@yahoo.com
Program Studi Ilmu Kehutanan Fakultas Pertanian Universitas Sam Ratulangi
已出版: 十一月 20, 2014
关键词: rehabilitasi hutan dan lahan, kelas kemampuan lahan, agroforestry
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DOI: 10.62142/z2m68461

Abstract

Penelitian ini bertujuan menganalisis dan mengembangkan alternatif rehabilitasi hutan dan lahan (RHL) berdasarkan kemampuan lahan di daerah tangkapan air (DTA) Danau Tondano. Metode evaluasi kemampuan lahan menggunakan pedoman intensitas faktor penghambat yaitu faktor lereng, drainase dan laju infiltrasi dan dianalisis dengan menggunakan Sistem Informasi Geografis (SIG). Sedangkan arahan penggunaan lahan yang ideal pada setiap kemampuan lahan sebagai dasar perencanaan.  Hasil analisis spasial diperoleh data luas masing-masing kelas kemampuan lahan sebagai berikut :  kelas kemampuan I seluas  2.041,13 ha (11,05 %), lahan kelas II seluas 348,35 ha (1,89 %), lahan kelas III seluas  5.681,27 ha (30,76 %), lahan kelas IV seluas 7.107,37 ha (38,49 %), lahan kelas V
seluas  475,23 ha (2,57 %) lahan kelas VI seluas 957,98 ha ( 5,19 %), lahan kelas VII seluas 1.125,2 ha  (6,09%)  dan lahan kelas VIII seluas 730,58 ha ( 3,96 %).   Berdasarkan hasil evaluasi penggunaan lahan menurut kelampuan lahan saat ini maka dikembangkan arahan RHL sebagai berikut : sekitar 85 % wilayah DTA danau Tondano tergolong dalam kelas kemampuan lahan I sampai kelas V, lahan tersebut dikembangkan sebagai lahan pertanian intensif dengan konservasi tanah pengembangan pertanian organik dalam berbagai variasi implementasi.  Selanjutnya sekitar 15 % lainnya dapat dimanfaatkan sebagai kawasan pertanian terbatas dengan tindakan konservasi tanah berupa penyempurnaan sistem agroforestry, pengembangan agroforestry berbasis tanaman cengkih yang tertata  atau pengembangan hutan serbaguna pada kawasan hutan lindung dan hutan produksi dengan tanaman penghasil hasil
hutan non kayu (aren, bambu) dan jasa lingkungan.

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