Muhammad, Alwi (2021) Distribusi Dan Kekayaan Spesies Pohon Di Hutan Sumber Pawon, Kediri, Jawa Timur. Undergraduate thesis, Instittut Teknologi Sepuluh Nopember.
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Abstract
Hutan Sumber Pawon merupakan kawasan lindung yang belum memiliki data kekayaan spesies pohon. Informasi mengenai distribusi dan kekayaan spesies pohon penting untuk mengetahui struktur dan fungsi dari ekosistem hutan. Penelitian untuk mendapatkan data deskriptif mengenai kekayaan spesies dan pola distribusi pohon dilakukan di kawasan hutan lindung Sumber Pawon, Kediri, Jawa Timur pada periode November 2020 - Januari 2021. Untuk mengatahui kekayaan spesies dilakukan metode inventarisasi dengan cara Systematic Strip Sampling pada seluruh area hutan sumber pawon. Indeks Dispersi Morisita yang telah distandarisasi (Ip) digunakan untuk mengetahui pola distribusi spesies. Dari hasil penelitian diketahui bahwa hutan Sumber Pawon merupakan tipe hutan dataran rendah. Tercatat 878 individu pohon yang termasuk dalam 17 jenis dan 8 suku. Suku Malvaceae dan Moraceae merupakan suku dengan jumlah jenis tertinggi dengan C. Elastica dari famili Moraceae merupakan jenis dengan kelimpahan individu tertinggi. Kekayaan spesies pohon hutan Sumber Pawon tergolong rendah jika dibandingkan dengan hutan lain di pulau Jawa. Hal ini disebabkan oleh kondisi hutan yang merupakan hutan sekunder dan mengalami gangguan. Dari hasil analisis indeks Morisita untuk distribusi pohon didapatkan 16 spesies memiliki pola distribusi mengelompok yaitu Pteresperpum javanicum, Ceiba petandra, Hibiscus similis, Artocarpus elasticus, Ficus elastica, Ficus septica, Castilla elastica, Albizia chinensis, Leucaena leucocephala, Samanea saman, Tabernaemontana macrocarpa, Alstonia scholaris, Swietenia mahogani, Gnetum gnemon, Gluta renghas, dan Tectona grandis. Pola mengelompok ini diduga disebabkan oleh faktor pembatas pada populasi yang ada seperti penyebaran biji yang terbatas atau kondisi lingkungan. Distribusi acak didapatkan hanya pada 1 jenis yaitu Theobroma cacao L. hal ini disebabkan oleh ketidakberhasilan kakao untuk meperbanyak diri dan terdistribusi karena hanya ditemukan 1 individu di hutan Sumber Pawon.
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Sumber Pawon Forest is a protected area and does not yet have data on tree species richness. Information on the distribution and tree species richness is important for understanding the structure and function of forest ecosystems. Research to obtain descriptive data on species richness and tree distribution patterns was carried out in the protected forest of Sumber Pawon, Kediri, East Java in the period November 2020 - January 2021. To determine species richness an inventory method was carried out by means of Systematic Strip Sampling in all forest areas. Standardized Morisita Dispersion Index (Ip) method is used to determine the distribution pattern of species. From the analyst results, it is known that Sumber Pawon forest is a lowland forest type. There were 878 individual trees belonging to 17 species and 8 families. The Malvaceae and Moraceae family were the family with the highest number of species, with C. Elastica from the Moraceae family being the species with the highest individual abundance. The tree species richness of Sumber Pawon forest is low when compared to other forests on the island of Java. This is caused by the condition of the forest which is a disturbances secondary forest. The results of distribution analysis showed that there were 16 species having a clustered distribution pattern, namely Pteresperpum javanicum, Ceiba petandra, Hibiscus similis, Artocarpus elasticus, Ficus elastica, Ficus septica, Castilla elastica, Albizia chinensis, Leucaena leucocephala, Samanea saman, Tabernaemontana macrocarpa, Alstonia scholaris, Swietenia mahogany, Gnetum Gnemon, Gluta renghas, and Tectona Grandis. This clumped pattern is thought to be caused by limiting factors in the existing population such as limited seed distribution or environmental conditions. Random distribution pattern was found for only in 1 species, namely Theobroma cacao L. This was due to the limitation of cacao to reproduce and distribute because only 1 individual was found in the Sumber Pawon forest.
| Item Type: | Thesis (Undergraduate) |
|---|---|
| Uncontrolled Keywords: | Kekayaan spesies, Pohon, Pola distribusi, distribution pattern, tree, speciec richness |
| Subjects: | Q Science > QH Biology > QH541 Ecology Q Science > QH Biology > QH75 Nature conservation. Landscape protection. Biodiversity conservation. Endangered species and ecosystems (General). Habitat conservation. Ecosystem management. Conservation biology Q Science > QH Biology > QH91.8.S64 Species diversity S Agriculture > SD Forestry |
| Divisions: | Faculty of Science and Data Analytics (SCIENTICS) > Biology > 46201-(S1) Undergraduate Thesis |
| Depositing User: | Alwi Muhammad |
| Date Deposited: | 31 Aug 2021 04:25 |
| Last Modified: | 31 Aug 2021 04:25 |
| URI: | http://repository.its.ac.id/id/eprint/90887 |
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