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      Komposisi, Keanekaragaman, dan Kekayaan Jenis Tumbuhan Bawah dari Simpanan Biji Ekosistem Karst Ciampea

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      Date
      2023
      Author
      Tutazqiyah, Aldira Dina
      Qayim, Ibnul
      Putri, Winda Utami
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      Abstract
      Simpanan biji merupakan kumpulan cadangan biji yang terkubur di dalam tanah dan berpotensi mampu menggantikan tanaman dewasa. Tujuan penelitian ini mengidentifikasi dan membandingkan komposisi, keanekaragaman, dan kekayaan jenis tumbuhan bawah yang tumbuh dari simpanan biji di kawasan hutan dan bekas tambang ekosistem karst Ciampea. Penelitian ini dilakukan di dua lokasi yaitu kawasan hutan dan bekas tambang dengan membuat plot sebanyak 15 buah berukuran 25 cm x 25 cm dengan kedalaman 3-5 cm di kedua lokasi penelitian. Perkecambahan biji dilakukan di Rumah Kaca Biologi, IPB. Tumbuhan bawah hasil perkecambahan yang telah terindentifikasi terdiri dari 26 jenis yang berasal dari 14 suku. Keanekaragaman jenis tumbuhan bawah di kedua lokasi penelitian tergolong sedang. Jenis tumbuhan bawah yang mendominasi di kedua lokasi penelitian adalah Asplenium adiantum-nigrum L. dengan nilai INP berturut-turut 45,6% dan 64,81%. Kekayaan jenis dan kesamaan jenis tumbuhan bawah di kedua lokasi penelitian tergolong rendah. Perbandingan kesamaan jenis tumbuhan bawah pada simpanan biji dengan vegetasi permukaan pada kawasan bekas tambang relatif lebih tinggi dibandingkan pada kawasan hutan.
       
      The seed bank refers to a collection of buried seeds that have the potential to replace mature plants. The objective of this study are to identify and compare the composition, diversity, and species richness of understory plants growing from the seed bank in the forest and former mining areas of the Ciampea karst ecosystem. The research was conducted in two locations, the forest area and the former mining area, by establishing 15 plots measuring 25 cm × 25 cm with a depth of 3-5 cm in both research locations. Seed germination was carried out in the Biology Greenhouse, IPB. The identified understory plants resulting from seed germination consisted of 26 species belonging to 14 families. The species diversity of understory plants in both research locations is considered moderate. The dominant understory plant species in both research locations is Asplenium adiantum-nigrum L. with respective important value percentages of 45,6% and 64,81%. The species richness and similarity of understory plants in both research locations were relatively low. The comparison of species similarity between the seed bank and surface vegetation in the former mining area was relatively higher than in the forest area
       
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      http://repository.ipb.ac.id/handle/123456789/123434
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      • UT - Biology [2402]

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      Copyright © 2020 Library of IPB University
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      Indonesia DSpace Group 
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