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    Komposisi Komunitas Fauna Tanah yang Aktif di Permukaan Tanah pada Areal Pertanian Hortikultura di Desa Pengambaten Kecamatan Merek Kabupaten Karo

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    Date
    2018
    Author
    Martadina
    Advisor(s)
    Jhon, Arlen Hanel
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    Abstract
    The study of soil fauna community that active on surface in horticultural farmland has been conducted from September 2016toApril 2017. The aim of this study was to analyze composition of soil fauna community that active on surface and their correlation with physico-chemical factors in horticultural farmland of Pengambaten village Merek sub-district, Karo district, North Sumatera. The research was conducted in three horticultural farms. Designation of sampling sites were determined by Purpossive Sampling. Soil fauna were sampled using pit fall trap method. The study found 20 specieses consisted of two phylas, six classes, 11 orders, 15 families. Four specieses of soil fauna possessed potential as indicator biotic, shown by the value of Relative Density (KR) ≥ 10% and Frequency of Presence ≥ 25% in study site, namely Aphaenogaster sp., Euborellia sp., Onychiurus sp. and Pangaeus bilineatus. Soil fauna with the highest structuring community was shown in Location I by species Euborellia sp., in Location II by species Onychiurussp. and in Location III by species Aphaenogaster sp.
     
    Penelitian komposisikomunitas faunatanahyang aktif di permukaan tanah pada arealpertanian hortikultura telah dilakukan dari bulan September 2016 sampai April 2017.Tujuan penelitian adalahuntuk menganalisis komposisikomunitas faunatanahyang aktif di permukaan tanah dan hubungannya dengan faktor fisika-kimia tanahpada arealpertanian hortikultura di Desa Pengambaten Kecamatan Merek Kabupaten Karo Provinsi Sumatera Utara.Lokasi sampling terdiri dari tiga petak lahan.Penentuan titik sampling menggunakan metode Purposive Sampling. Pengambilan sampel fauna tanah menggunakan metode Pitfall trap. Hasil penelitian ditemukan dua filum, lima kelas, 11 ordo, 15 famili dan 20 spesies fauna tanah. Empat spesies fauna tanah yang memiliki potensi sebagai indikator biotik yang ditandai dari nilai KR ≥ 10% dan FK ≥ 25% pada lokasi penelitian yaituAphaenogaster sp., Euborellia sp., Onychiurus sp. dan Pangaeus bilineatus. Fauna tanah dengan nilai komposisi tertinggi pada Lokasi I adalah Euborellia sp., Lokasi II adalah Onychiurus sp. dan Lokasi III adalah Aphaenogaster sp.

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    http://repositori.usu.ac.id/handle/123456789/6815
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    DSpace software copyright © 2002-2016  DuraSpace
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