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    Keanekaragaman dan Pola distribusi tumbuhan Paku di Hutan Wisata Alam Taman Eden Kabupaten Toba Samosir Provinsi Sumatera Utara

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    Date
    2009
    Author
    Lubis, Siti Rahmah
    Advisor(s)
    Damanik, B. Sengli J
    Widhiastuti, Retno
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    Abstract
    A research about Diversity and Distribution Type Pterydophyte in Hutan Wisata Alam Taman Eden Kabupaten Toba Samosir North Sumatra Province were conducted in December 2008 to February 2009. Sampling area was settled by using Purposive Sampling Method and divided to three location based on altitude. Altitude I was 1100 – 1300 m above sea level; altitude II was 1300 – 1500 m above sea level and the altitude III was 1500 – 1750 m above sea level. Areas size of observation was 0,15 ha (5 m x 5 m x 20 x 3), were observed in size 5 m x 5 m with 60 subplot. The result showed that the location have 57 species Pteridophyta of 3 class, 5 ordo, 23 family and 36 genera. Altitude I has dominated with Gleichenia truncata and Vittaria angustifolia, altitude II with Gleichenia linearis and Vittaria angustifolia, altitude III with Dipteris conjugata and Phymatopteris triloba. Altitude 1100-1300 m dpl have the highest of Indeks Diversity is 2.95989. The altitude 1300-1500 m dpl and altitude 1300-1750 m dpl has the highest of Indeks Similarity is 60.13%. Distribution Pterydophyta in the observation located are grouping (clumped). Founded the correlation line between Indeks Diversity with air temperature, moisture, light of sun intencity and pH
     
    Penelitian tentang Keanekaragaman dan Pola Distribusi Tumbuhan Paku di Hutan Wisata Alam Taman Eden Kabupaten Toba Samosir Provinsi Sumatera Utara telah dilaksanakan pada bulan Desember 2008 sampai dengan Februari 2009. Lokasi penelitian ditentukan secara Purposive Sampling dan dibagi menjadi 3 bagian berdasarkan ketinggian. Ketinggian I berada pada 1100 – 1300 m dpl; ketinggian II berada pada 1300 – 1500 m dpl; dan ketinggian III berada pada 1500 – 1750 m dpl. Area penelitian seluas 0.15 ha (5m x 5m x 20 x 3), tiap plot berukur 5m x 5m, dengan jumlah subplot 60. Dari hasil penelitian diperoleh 57 jenis Pteridophyta dengan jumlah 3898 individu yang termasuk ke dalam 3 kelas, 5 ordo, 23 famili dan 36 genera. Pada ketinggian 1100-1300 m dpl didominasi oleh Gleichenia truncata dan Vittaria angustifolia, ketinggian 1300-1500 m dpl dengan Gleichenia linearis dan Vittaria angustifolia dan ketinggian 1500-1750 m dpl dengan Dipteris conjugata dan Phymatopteris triloba. Nilai Indeks Keanekaragaman tertinggi terdapat pada ketinggian 1100-1300 m dpl yaitu sebesar 2.95989, sedangkan Indeks Keseragaman tertinggi terdapat antara ketinggian 1100-1300 m dpl dan ketinggian 1300-1500 m dpl sebesar 60.13%. Pola distribusi tumbuhan paku di lokasi penelitian adalah berkelompok (clumped). Suhu udara, kelembaban, intensistas cahaya, dan pH berkorelasi searah pada keanekaragaman tumbuhan paku.

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    http://repositori.usu.ac.id/handle/123456789/43157
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    Repositori Institusi Universitas Sumatera Utara (RI-USU)
    Universitas Sumatera Utara | Perpustakaan | Resource Guide | Katalog Perpustakaan
    DSpace software copyright © 2002-2016  DuraSpace
    Contact Us | Send Feedback
    Theme by 
    Atmire NV