Please use this identifier to cite or link to this item: http://repository.ipb.ac.id/handle/123456789/122555
Title: Studi Populasi dan Distribusi Palahlar (Dipterocarpus hasseltii Blume) di Resort Gunung Salak I, Taman Nasional Gunung Halimun Salak
Authors: Hilwan, Iwan
Anggoro, Prima
Issue Date: 2023
Publisher: IPB University
Abstract: Taman Nasional Gunung Halimun Salak (TNGHS) merupakan kawasan konservasi yang berpotensi sebagai habitat dari berbagai jenis flora maupun fauna langka dan dilindungi. Palahlar (Dipterocarpus hasseltii Blume) menjadi salah satu jenis tumbuhan langka yang terdapat di kawasan TNGHS dengan status konservasi genting (endangered) dengan tren populasi yang menurun. Penelitian ini bertujuan menganalisis kondisi habitat, kondisi populasi, serta pola sebaran D. hasseltii di Resort Gunung Salak I, TNGHS. Pengambilan data dilakukan secara purposive sampling berdasarkan keberadaan jenis D. hasseltii. Analisis vegetasi menggunakan metode jalur berpetak sebanyak 5 jalur berukuran masing-masing 100 m × 20 m, sehingga total luas petak pengamatan seluas 1 ha. Kondisi umum lokasi didominasi oleh puspa (Schima wallichii) yang memiliki Indeks Nilai Penting (INP) tertinggi pada tingkat pertumbuhan semai, pancang, dan pohon masing-masing sebesar 26,80%, 24,04%, dan 53,86%. Laju regenerasi D. hasseltii berdasarkan tingkat pertumbuhannya menunjukkan kondisi yang tidak normal, karena jumlah semai lebih sedikit dibanding jumlah pancang. Sebanyak 28 individu D. hasseltii ditemukan di lokasi penelitian yang terdiri atas 4 individu semai, 15 individu pancang, 3 individu tiang, dan 6 individu pohon. Hasil penelitian menunjukkan pola sebaran D. hasseltii adalah mengelompok.
Gunung Halimun Salak National Park (GHSNP) is a conservation area that potentially becomes a habitat for rare and protected flora and fauna. Palahlar (Dipterocarpus hasseltii Blume) is a rare plant species found in the GHSNP area with an endangered conservation status and declining population trend. This study aimed to analyze habitat conditions, population conditions, and distribution patterns of D. hasseltii at Gunung Salak I Resort of GHSNP. Data were collected by purposive sampling method based on the presence of D. hasseltii. Vegetation analysis used the grid-lined method of 5 lanes measuring 100 × 20 m, each so that the total area of the observation plots was 1 ha. The observation plots were dominated by puspa (Schima wallichii), which had the highest Importance Value Index (IVI) at the growth rate of seedlings (26,80%), saplings (24,04%), and trees (53,86%). The regeneration rate of D. hasseltii, based on its growth rate, showed an abnormal condition, because the number of seedlings was less than the number of saplings. A total of 28 individuals of D. hasseltii were found at the observation plots consisted of 4 individual seedlings, 15 individual saplings, 3 individual poles, and 6 individual trees. The results showed that the distribution pattern of D. hasseltii was clustered.
URI: http://repository.ipb.ac.id/handle/123456789/122555
Appears in Collections:UT - Silviculture

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