Vegetasi Riparian dan Kesuburan Tanah di Sub DAS Senggapa Rainforest Lodge Kedah

نویسندگان

چکیده

Abstrak. Kondisi zona riparian di sungai Senggapa Rainforest Lodge Kedah Kecamatan Blangjerango, Kabupaten Gayo Lues, Provinsi Aceh sebagian telah beralih fungsi menjadi lahan perkebunan. Alih diduga berpengaruh terhadap kondisi dan tingkat kesuburan tanah. Penelitian dilakukan dari bulan Februari hingga Juli 2021. Metode yang digunakan dalam penelitian ini adalah metode garis berpetak, terdapat 20 plot contoh 10 transek diletakkan pada sisi kiri kanan sungai. Jenis vegetasi ditemukan sub DAS yaitu sebanyak 533 individu 52 jenis 29 suku. Indeks Nilai Penting (INP) tertinggi berdasarkan pohon dimiliki oleh Lithocarpus sp. sebesar 35,59%, INP tiang juga 34,26%, pancang Aglaia argentea Magnolia montana masing-masing 13,69%, semai Laportea sinuata 15,56%, tumbuhan bawah Colocasia esculenta 42,28%. keanekaragaman 3,21 tergolong tinggi, 2,93 sedang, 3,15 3,07 2,19 sedang. Tingkat tanah stasiun I II sama-sama rendah, hal disebabkan salah satu parameter kimia dianalisis diperoleh sangat rendah. Pada area hutan lebat kawasan perkebunan memiliki kandungan P2O5 sehingga mempengaruhi penilaian rainforest Kedah.Abstract. The condition of the zone in river Blangjerango Subdistrict, Lues Regency, Province has partially switched functions into plantation land. transfer function is thought to affects and fertility rate soil. study was conducted from February July method used this line-transect with sample plots transects placed on left right sides river. There were individuals vegetation found Sub watershed consisting species families. highest Importance Value Index (IVI) based tree level at 35.59%. IVI pole also 34.26%. stake at13.69%. seedling 15.56%, lower plants 42.28%. diversity index 3.21 which classified as high, 2.93 moderate, 3.15 3.07 2.19 moderate. soil both station relatively low. This due one chemical parameters analyzed obtained very In areas dense forest areas, content low, thus affecting assessment Kedah.

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ژورنال

عنوان ژورنال: Jurnal Ilmiah Mahasiswa Pertanian

سال: 2021

ISSN: ['2614-6053', '2615-2878']

DOI: https://doi.org/10.17969/jimfp.v6i4.18361