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All Journal Jurnal Penelitian Pendidikan IPA (JPPIPA) Bioedukasi: Jurnal Pendidikan Biologi
Yudhistian Yudhistian
Universitas PGRI Ronggolawe
Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry Education Immunology & microbiology Materials Science & Nanotechnology Physics

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The Diversity index and Importance Value of Herbaceous Vegetation in the Joko Tarub Forest Tuban Yudhistian Yudhistian; Dede Nuraida; Susi Novita Sari; Fitriatus Sholikah
Jurnal Penelitian Pendidikan IPA Vol 11 No 4 (2025): April
Publisher : Postgraduate, University of Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jppipa.v11i4.10974

Abstract

This study aims to determine the diversity index and the importance value index of herbaceous plants found around the Joko Tarub Forest Tuban. The type of research is quantitative descriptive with a sampling method using the quadrat technique. The quadrates were made with a size of 1 x 1 m as many as 10, as a measurement area. The data collection technique was carried out by recording the names of plants and their numbers found in each quadrat. In addition, the area covered by each plant in the quadrat was also calculated. The data analysis was carried out by calculating the density of species, dominance, and frequency as a basis for calculating the important value index. In addition, the Shannon-Wienner diversity index was also calculated to determine the level of diversity of herbaceous plants living in the area. From the results of this study, 10 types of herbaceous plants were found which are included in 9 Families. Of the 10 types of plants found, those with a high importance value index are Synedrella nodiflora and Crassocephalum crepidioides with values ​​of 53.61 and 44.37 respectively. The herbaceous plant diversity index in the region is in the moderate with a value of 1.89
Utilization of the Local Potential Campus Area as a Learning Resource Related to Morphology-Based Poaceae Diversity Yudhistian Yudhistian; Imas Cintamulya
Bioedukasi: Jurnal Pendidikan Biologi Vol 18, No 1 (2025): Bioedukasi: Jurnal Pendidikan Biologi
Publisher : Department of Biology Education Faculty of Teacher Training and Education Sebelas Maret Un

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20961/bioedukasi.v18i1.80288

Abstract

The utilization of local potential in the campus area has not been done optimally. The need for contextualized learning resources requires lecturers to provide appropriate learning resources for students, including biology education students in plant morphology. This study aims to utilize the local potential of the campus area as a learning resource regarding the diversity of Poaceae based on morphological reviews. The type of research used is descriptive quantitative. The data collection method in this study was observation. Sampling technique by making plots with the quadrat method with a size of 1x1 meter at several points in the campus area. The results of this study indicate that the Poaceae family identified in the PGRI Ronggolawe University campus area consists of 12 species, including Stenotaphrum secundatum, Elymus repens, Poa annua, Paspalum dilatatum, Chloris barbata, Zoysia japonica, Muhlenbergia schreberi, Thyrsotachys oliveri, Bambusa vulgaris, Cymbopogon citratus, Digitaria sanguinalis, Panicum repens with four subfamilies namely Bambusoideae, Pooideae, Panicoideae, Chloridoideae with a total of 259 individuals found. Overall, the level of Poaceae diversity in the campus area is H’ = 2.19, which is a moderate category. The level of Poaceae diversity in the campus area from the highest to the lowest value is the subfamily Panicoideae (1.09), Chloridoideae (1.05), Pooideae (0.69), and Bambusoideae (0.66). Analysis of the potential of the research results shows that the diversity of Poaceae in the campus area can be used as learning material for plant morphology for biology education students.
Co-Authors Dede Nuraida Fitriatus Sholikah Imas Cintamulya Susi Novita Sari