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All Journal NUSRA: Jurnal Penelitian dan Ilmu Pendidikan
Fitra Suzanti
Program Studi Pendidikan Biologi, Fakultas Keguruan dan Ilmu Pendidikan, Universitas Riau, Indonesia
Education Languange, Linguistic, Communication & Media Mathematics Other

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Struktur Komunitas Vegetasi Bawah Pada Perkebunan Kelapa Sawit (Elaeis guineensis Jacq) di Kecamatan Kampar Kiri Tengah Kabupaten Kampar Sebagai Rancangan Media Poster Pada Pembelajaran Biologi SMA Lili Nur Indahsari; Fitra Suzanti; Suwondo Suwondo
NUSRA : Jurnal Penelitian dan Ilmu Pendidikan Vol. 7 No. 1 (2026): NUSRA: Jurnal Penelitian dan Ilmu Pendidikan, Februari 2026
Publisher : LPPM Institut Pendidikan Nusantara Global

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55681/nusra.v7i1.4033

Abstract

This study aimed to analyze the structure of understory vegetation communities in oil palm plantations located in Kampar Kiri Tengah District, Kampar Regency. The research was conducted in March 2025 using a survey method. Sampling was carried out through purposive random sampling by considering oil palm age. Parameters observed included species composition, density, frequency, importance value index, diversity index, similarity index, and dominance index. Physical chemical environmental factors measured comprised soil temperature, air temperature, soil pH, and light intensity. Results showed that understory vegetation consisted of 31 species from 18 families, with a total of 3580 individuals recorded. The highest density was found in Cyperus kyllingia from the Cyperaceae family with a relative density of 37.23 percent, while the lowest density occurred in Mikania micrantha from the Asteraceae family at 0.08 percent. The highest relative frequency was observed in Cyperus rotundus at 4.84 percent, whereas the lowest was recorded for Davallia tasmanii at 2.13 percent. The highest importance value index was recorded for Cyperus kyllingia at 42.97 percent, while the lowest was found in Lindsaea cultrata at 0.24 percent. The diversity index was categorized as moderate. The evenness index ranged from 0.61 to 0.69, indicating moderate uniformity. The dominance index showed no species dominated excessively. Research findings were integrated into poster-based learning media and validated by experts as very valid. This study demonstrates strong potential for using understory vegetation community structure as learning media for ecosystem component topics.
Keanekaragaman Serangga Permukaan Tanah Pada Perkebunan Kelapa Sawit (Elaeis guineensis Jacq) di Kecamatan Kampar Kiri Tengah Kabupaten Kampar Sebagai Rancangan Booklet SMA Kelas X Pada Materi Keanekaragaman Hayati Desi Lesmini Br. Harahap; Fitra Suzanti; Suwondo Suwondo
NUSRA : Jurnal Penelitian dan Ilmu Pendidikan Vol. 7 No. 1 (2026): NUSRA: Jurnal Penelitian dan Ilmu Pendidikan, Februari 2026
Publisher : LPPM Institut Pendidikan Nusantara Global

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55681/nusra.v7i1.4039

Abstract

This study aims to determine the diversity of ground insects in oil palm plantations in Kampar Kiri Tengah District, Kampar Regency. This research was carried out for 3 months from February to May 2025. This study consists of two stages, namely data collection of ground insects and booklet design. The method of collecting ground insect data was "purposive sampling", sampling using a pitfall trap (trap). The samples obtained were identified in Biology, FKIP UNRI and analyzed using the Shannon-Wiener species diversity index. The results of the study of ground insects obtained 487 individuals belonging to 12 species and 4 orders consisting of Harpalus rufipes, Staphylinus caesarius, Entomobrya unostrigata, Isotomurus palustris, Anoplolepis gracilipes, Dolichoderus thoracicus, Formica rufa, Labidus raedator, Lasius niger, Monomorium minimum, Solenopsis fugax, Gryllus bimaculatus. The diversity index of ground insects at station I was 2.28 (moderate), station II was 2.22 (moderate) and station III was 2.31 (moderate). The physical-chemical factors in oil palm plantations have a soil pH of 6.33-7, temperature of 32.7-34.6 ° C, air humidity of 59-63% and light intensity of 157-224 lux. The data from the results of this study have the potential to be used as a booklet design on biodiversity material.
Co-Authors Desi Lesmini Br. Harahap Lili Nur Indahsari Suwondo Suwondo