KOMPOSISI MAKROFAUNA TANAH PADA LUBANG RESAPAN BIOPORI DI UIN RADEN INTAN LAMPUNG

PUTRI, SABINA SUHERLI (2025) KOMPOSISI MAKROFAUNA TANAH PADA LUBANG RESAPAN BIOPORI DI UIN RADEN INTAN LAMPUNG. Diploma thesis, UIN Raden Intan Lampung.

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Abstract

ABSTRAK Penelitian ini dilakukan di UIN Raden Intan Lampung untuk mengevaluasi komposisi makrofauna tanah pada lubang resapan biopori serta menilai kualitas tanah di sekitarnya. UIN Raden Intan Lampung, sebagai kampus hijau dengan masalah banjir dan sampah organik, memerlukan solusi efisien seperti lubang resapan biopori untuk meningkatkan peresapan air. Penelitian ini menggunakan metode deskriptif kuantitatif dengan pengambilan sampel di 16 titik lubang biopori. Pengambilan spesimen makrofauna dilakukan dengan metode handsorting, dan parameter fisik serta kimia tanah diukur menggunakan alat seperti tensiometer, thermometer tembak, dan spektrofotometer UV- Vis. Hasil penelitian menunjukkan bahwa lubang resapan biopori di UIN Raden Intan Lampung memiliki keanekaragaman makrofauna tanah yang bervariasi, dengan dominasi oleh famili Formicidae, dan kadar pH tanah serta C-organik menunjukkan kondisi tanah yang mendukung peresapan air. Indeks keanekaragaman H’ menunjukkan nilai sedang, sedangkan indeks kemerataan E dan indeks dominansi Simpson D mengindikasikan bahwa distribusi makrofauna cenderung merata dengan sedikit dominasi spesies tertentu. Kesimpulannya, lubang resapan biopori efektif dalam meningkatkan kualitas tanah dan peresapan air, dengan keanekaragaman makrofauna tanah yang cukup baik dan kondisi tanah yang mendukung. Penelitian ini memberikan dasar bagi pengelolaan lubang biopori yang lebih baik di masa mendatang. Kata Kunci: Lubang Resapan Biopori, Kualitas Tanah, Makrofauna. ABSTRACT This study was conducted at UIN Raden Intan Lampung to evaluate the composition of soil macrofauna in biopore infiltration holes and to assess the quality of the surrounding soil. UIN Raden Intan Lampung, as a green campus with flooding and organic waste problems, requires efficient solutions such as biopore infiltration holes to increase water infiltration. This study used a quantitative descriptive method with sampling at 16 biopore hole points. Macrofauna specimens were taken using the handsorting method, and physical and chemical parameters of the soil were measured using tools such as tensiometers, gun thermometers, and UV Vis spectrophotometers. The results showed that biopore infiltration holes at UIN Raden Intan Lampung have a variety of soil macrofauna diversity, dominated by the Formicidae family, and soil pH and C-organic levels indicate soil conditions that support water infiltration. The diversity index H' shows a moderate value, while the evenness index E and the Simpson dominance index D indicate that the distribution of macrofauna tends to be even with little dominance of certain species. In conclusion, biopore infiltration holes are effective in improving soil quality and water infiltration, with a fairly good diversity of soil macrofauna and supportive soil conditions. This study provides a basis for better management of biopore holes in the future. Keywords: Biopore Infiltration Holes, Soil Quality, Macrofauna.

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