Electronic Theses and Dissertation

Penelitian pendataan jenis lumut di Kabupaten Bener Meriah belum pernah dilakukan. Penelitian ini bertujuan untuk mengidentifikasi jenis, melihat status jenis pada komunitasnya, dan menghitung keanekaragaman tumbuhan lumut di perkebunan kopi Kabupaten Bener Meriah, Aceh. Penelitian ini dilakukan dari bulan Desember 2021 sampai bulan Agustus 2022. Metode dalam penelitian ini adalah purposive sampling. Penelitian ini di laksanakan di tiga lokasi penelitian yaitu perkebunan kopi di Desa Simpang Lancang, Perkebunan kopi di Desa Tunyang, dan Perkebunan kopi di Desa Rembele. Pada setiap perkebunan kopi dibuat satu (1) plot berukuran 50 m x 50m, kemudian dipilih 15 pohon kopi didalam plot tersebut. Pada setiap pohon kopi yang dipilih dibuat dua (2) sub plot berukuran 5 cm x 60 cm dengan menggunakan plastik transparan. Sub plot pertaman diletakkan pada ketinggian pohon 0 cm – 60 cm dan sub plot kedua diletakkan pada ketinggian 60 cm – 120 cm. Total sub plot dalam penelitian ini dari tiga lokasi yaitu 90 sub plot. Kondisi lingkungan pada setiap perkebunan kopi dicatat, seperti suhu udara, kelembapan udara, dan pH tanah. Sampel tumbuhan lumut yang ditemukan dimasukkan ke dalam amplop kertas untuk diidentifikasi. Hasil dari penelitian ini didapatkan 13 jenis lumut dari ketiga lokasi penelitian yaitu Frullania ericoides, Lejeunea obscura, Metzgeria furcata, Plagiochila fasciculata, Porella acutifolia, Aulacomnium palasture, Brachythecium sp., Entodon seductrix, Leucodon sp., Macromitrium sp., Neckera pennata, Racopilum cuspidigerum, Syntrichia ruralis. Frullania ericoides merupakan jenis tumbuhan lumut dengan nilai INP tertinggi dengan nilai 106.79 dan Syntrichia ruralis merupakan jenis tumbuhan lumut dengan nilai INP terendah yaitu 3.07. Nilai keanekaragaman (H') di perkebunan kopi Desa Simpang Lancang tergolong katagori rendah dengan nilai H' 0.91, perkebunan kopi di Desa Tunyang tergolong katagori sedang dengan nilai H' 1.53, dan perkebunan kopi di Desa Rembele tergolong katagori sedang dengan nilai H' 1.60.

Kata kunci: Indeks keanekaragaman, Purposive sampling, Perkebunan kopi, Tumbuhan lumut.

Research on moss spesies data collection in Bener Meriah District has never been done. This study aims to identify the type, see the status of species in the community, and determine the diversity of moss plants in coffee plantations in Bener Meriah Regency, Aceh. This research conducted from March to May 2022. The method in this research is purposive sampling. This study consisted of three research locations, namely coffee plantations in Simpang Lancang Village, coffee plantations in Tunyang Village, and coffee plantations in Rembele Village. In each coffee plantation, one (1) plot measuring 50 m x 50 m was made, then 15 coffee trees were selected in the plot. For each selected coffee tree, two (2) sub-plots measuring 5 cm x 60 cm were made using transparent plastic. The first sub plot is placed at a tree height of 0 cm – 60 cm and the second sub plot is placed at a height of 60 cm – 120 cm. The total sub-plots in this study were from three locations, namely 90 sub-plots. Pay attention to environmental conditions in each coffe plantions, such as air temperature, humidity, and soil pH. The moss samples found collected and kept in paper envelope for identifications purposes. The results of this study obtained 13 types of mosses from the three research locations, namely Frullania ericoides, Lejeunea obscura, Metzgeria furcata, Plagiochila fasciculata, Porella acutifolia, Aulacomnium palasture, Brachythecium sp., Entodon seductrix, Leucodon sp., Macromitrium sp., Neckera pennata, Racopilum cuspidigerum, and Syntrichia ruralis. Frullania ericoides is a moss plant species with the highest INP value with a value of 106.79 and Syntrichia ruralis are a moss plant species with the lowest INP value with a value of 3.07. The value of diversity (H') in the coffee plantation in Simpang Lancang Village is in the low category with an H' value of 0.91, the coffee plantation in Tunyang Village is in the medium category with an H' value of 1.53, and the coffee plantation in Rembele Village is in the medium category with an H' value of 1.60. Keywords: Diversity index, Purposive sampling, Coffee plantations, Moss plants.