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All Journal HAYATI Journal of Biosciences METAMORFOSA Journal of Biological Sciences Jurnal Ilmu Dasar Journal of Tropical Soils BERKALA SAINSTEK Biosfer: Jurnal Tadris Biologi Biogenesis: Jurnal Ilmiah Biologi Jurnal Kelautan Tropis TREUBIA BIOLINK (Jurnal Biologi Lingkungan, Industri, Kesehatan) Jurnal Biodjati SAINS TANAH - Journal of Soil Science and Agroclimatology BIOEDUSCIENCE Bioma : Jurnal Biologi dan Pembelajaran Biologi Jurnal Riset Biologi dan Aplikasinya Reswara: Jurnal Pengabdian Kepada Masyarakat Jurnal Pengabdian Kepada Masyarakat (JPKM) Tabikpun Gunung Djati Conference Series Life Science and Biotechnology Biosaintifika: Journal of Biology & Biology Education
Sulistiyowati, Hari
Biology Department, Faculty Of Mathematics And Natural Sciences, Universitas Negeri Jember Jln. Kalimantan 37, Jember, East Java 68121, Indonesia
Religion Agriculture, Biological Sciences & Forestry Humanities Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry Computer Science & IT Control & Systems Engineering Earth & Planetary Sciences Economics, Econometrics & Finance Education Energy Engineering Environmental Science Health Professions Immunology & microbiology Industrial & Manufacturing Engineering Languange, Linguistic, Communication & Media Law, Crime, Criminology & Criminal Justice Library & Information Science Mathematics Medicine & Pharmacology Physics Social Sciences Other

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Journal : Jurnal Ilmu Dasar

 1 
Spatial Distribution Patterns of Lantana camara L. Population as Invasive Alien Species In Pringtali Savana Bandealit Resort Meru Betiri National Park Sulistiyowati, Hari; Rahmawati, Emitria; Wimbaningrum, Retno
Jurnal ILMU DASAR Vol 22 No 1 (2021)
Publisher : Fakultas Matematika dan Ilmu Pengetahuan Alam Universitas Jember

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.19184/jid.v22i1.9247

Abstract

Bandealit is one of the resorts in Meru Betiri National Park (MBNP). This area has many endemic floras and faunas affected by the presence of invasive alien spesies plants. These plants tend to give negative impacts on savana ecosystem among them is, Lantana camara L. The distribution of this invasive alien spesies in the savana can be used to provide information about the characteristic of the environment. This study was conducted to investigate the patterns of spatial distribution of invasive alien L. camara population in the Pringtali Resort Bandealit savana region. The characters of plant species morphology was recorded for species name identification and validation. Percent cover of the individual L. camara species was collected within 50 plots (5x5 m2), while each of coordinate species found in the plots was recorded by using GPS (Global Positioning System). Abiotic factors such as temperature, pH, light intensity, and soil moisture were measured within the plots. The location of the data collection is 5,000 m2. The distribution pattern of invasive alien L. camara population was analyzed using ArcGIS and Dispersion Morisita’s Index (Ip). The result showed that 51.7% of L. camara population grew spasially close together (clumped) or overlapped one another based on the ArcGIS. This means that L. camara individuals distributein clumped pattern. While the other individuals (48.3%) grew apart randomly from each other. This distribution pattern showed by Ip value, 0.51 was also clumped or clustered. It can be concluded that the distribution pattern ofinvasive alien species L. camara is clumped because the reproduction of plant was by seeds dispersal or vegetative buds that lived around parental individuals.Keywords: ArcGIS, Lantana camara L., Invasive Foreign Plants, Morisita index, Distribution Pattern.
Kluwek Seed (Pangium edule Reinw) Germination Response to Soaking Time and Concentration of Gibberellin Acid (GA3) Ratnasari, Tri; Ana, Daniar Alfi; Sulistiyowati, Hari; Setyati, Dwi
Jurnal ILMU DASAR Vol 22 No 2 (2021)
Publisher : Fakultas Matematika dan Ilmu Pengetahuan Alam Universitas Jember

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.19184/jid.v22i2.9437

Abstract

Kluwek seeds (Pangium edule Reinw.) have a low germination percentage caused by dormancy due to hard seed coat. Kluwek seed germination takes about 1 month. The purpose of this study was to obtain a combination of treatments that were effective in increasing the percentage of kluwek seed germination and reducing the intensity of kluwek seed dormancy. This study used a Completely Randomized Design (CRD) factorial design. The first factor was immersion time (H) consisting of five levels, namely H0: Control (0 hour), H1: 6 hours, H2: 12 hours, H3: 18 hours, and H4: 24 hours and the second factor was giberellin concentration (G) with five levels namely G0: 0 ppm, G1: 25 ppm, G2: 50 ppm, G3: 75 ppm and G4: 100 ppm. Data analysis used Analysis of Variance (Anava) and further tested with Duncans' Multiple Range test (DMRT) at a significant level of 5%. The results obtained showed that the percentage of seed germination without immersion is 6.67%. Soaking using aquades produces an average germination percentage of 28.33%. The most effective treatment was GA3 75 ppm for 24 hours with seed germination of 60%, while the value of dormant intensity is 40%.Keywords: dormancy, germination, gibberellin, kluwek.
Preliminary Assessment of The Population Structure and Habitat Characteristics of Javan Langur (Trachyphitecus auratus É. Geoffroy, 1812) in Natural Reserve Watangan Puger Asyrofi, Muhammad; Sulistiyowati, Hari; Wimbaningrum, Retno
Jurnal ILMU DASAR Vol 23 No 1 (2022)
Publisher : Fakultas Matematika dan Ilmu Pengetahuan Alam Universitas Jember

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.19184/jid.v23i1.26032

Abstract

Javan langur (Trachypithecus auratus É. Geoffroy, 1812) is categorized by IUCN as a vulnerable primate species since 2008 and protected under 2018 LHK regulation. They can be found across Java Island, also in the Watangan Puger Nature Reserve (WPNR), East Java. There is no information about the population and habitat characteristics of Javan langur in WPNR except their existence. This research study aims to estimate the population structure, population density, and habitat characteristics of the Javan Langur in the WPNR, within the area of 2.6 ha. Three concentration points for daily observations were determined for 3 days. A combination of concentration count with scan sampling observation method at intervals of 30 minutes every hour of observation was done to get the data of density, position, population structure, and plant species preferred by Javan langurs. The important value, diversity Shannon-Wiener index, and plant species preferred were also analyzed. There are 26 population composed of two groups of the Javan langur occupying an area of 1,118 ha (43%). The population size estimatation for the first group was 17 individuals with a population density of 15.17 individu/ha, while that for the second group was 9 individuals with a population density of 8.02 individu/ha. The twenty-six Javan langurs are composed of complete age structure such as adult 69%, sub-adult 15%, and infant 16%. The Javan langur population was mostly found in the vegetation structure of Syzygium jambos (jambu hutan) to Pithecellobium dulce (asam manila) (IV = 45.47 to 3.88). Total 24 tree species are found in WNPR, most of the trees are used by the Javan langur as food and cover. The tree community in WPNR has medium diversity with value of 2.28. Furthermore, the Javan langur prefer Artocarpus elasticus (bendo) and Syzygium jambos (jambu hutan) at the upper strata (> 15 meters) than other trees and strata. Most of them are actively walking or jumping (locomotion) during the activity observed at the tree community.
Degraded Forest Evaluation Using Vegetation Indices at Bandealit Resort, Meru Betiri National Park Mulyadi, Budi Putra; Sulistiyowati, Hari; Wimbaningrum, Retno
Jurnal ILMU DASAR Vol 26 No 1 (2025)
Publisher : Fakultas Matematika dan Ilmu Pengetahuan Alam Universitas Jember

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.19184/jid.v26i1.34773

Abstract

The forest degradation and deforestation was widely occurred in Indonesia and Meru Betiri National Park is one of the area with illegal loggings threats. Bandealit Resort as one of the resort in Meru Betiri National Park was reported as the area with high activity of illegal loggings specifically in 2020. Based on this information, this research study aims to evaluate the degraded level of the forests using Normalized Difference Vegetation Index and Enhanced Vegetation Index (NDVI and EVI) so it can be managed and evaluated in the future. This research use direct and indirect observation methods in three areas with different damage levels. Direct observation was done by counting the number of species and the stands trees, while the indirect observation was analyzing the Landsat 8 Imagery in 2020, 2021 and 2022. The results showed that the A area had the lowest density with only 45 remaining trees than two others with more than 150 trees. The greenness levels imply the quality level of tree stand density, as higher the tree stand density, the higher the greenness. NDVI and EVI showed that A area had the range from low greenness (sparse density) to high greenness (medium density) than two others area had the higher greenness and densities.
Echinodermata Community Structure in Seagrass Ecosystem at Sijile Beach Baluran National Park Amero, Movhalky Argeswara Delta Cancera; Wimbaningrum, Retno; Sulistiyowati, Hari
Jurnal ILMU DASAR Vol. 26 No. 2 (2025)
Publisher : Fakultas Matematika dan Ilmu Pengetahuan Alam Universitas Jember

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.19184/jid.v26i2.53695

Abstract

Seagrass ecosystems represent one of the most important coastal ecosystems due to their crucial ecological role in maintaining marine environmental balance.This study aims to identify and analyze the community structure of Echinodermata from the classes Ophiuroidea, Echinoidea, and Holothuroidea in the seagrass ecosystem of Sijile Beach, Baluran National Park. Sampling was conducted using a systematic transect-plot method across 10 transects and a total of 100 plots. The results revealed seven Echinodermata species, with Ophiocoma scolopendrina being the most dominant (6.15 ind/m²). The Shannon-Wiener diversity index (H') was 0.98, indicating low species diversity. This low diversity is attributed to the dominance of specific species and uneven individual distribution. Although seagrass serves as a crucial habitat supporting Echinodermata survival, environmental conditions and species-specific adaptations play key roles in shaping the community structure. These findings highlight the importance of ecological studies for the conservation and management of coastal resources.
Co-Authors Agung Sih Kurnianto Ahmad Farid Ary Wardhana Amero, Movhalky Argeswara Delta Cancera Ana, Daniar Alfi Ananda, Rizky Putra Aprilia Palupi, Annisaa Arianti, Indriana Arif Mohammad Siddiq Asyrofi, Muhammad Baguinon, Nestor Bambang Hermiyanto Baraas, Abdillah Buot Jr, Inocencio Cahyono, Haris Damasa Macandog Dewi, Nilasari Dwi Setyati Dwi Wardatul Rizkiah Dwinianti, Edia Fitri Fadri, Firda Fandani, Septian Theo Febrianti, Silvia Dwi Firmansyah, Puji Fuad Bahrul Ulum Hasanah, Ela Apriliyanti Hayyinah, Asa Hanifatul Hidayatullah, Alhabsy Imaniar, Raisa Inocencio Buot Jr Kholiq, Nur Kumalasari, Deris Erlita Macandog, Damasa Mandala, Marga Mita Yuni Aditiya Mohammad Siddiq, Arif Monica Paulina Erizcy Muhammad Asyrofi Muhammad Kurniawan Mulyadi, Budi Putra Nestor Baguinon Nur Widodo Pradana, Yuan Zulia Qisti, Nissaul Rachel Sotto Rahmawati, Emitria Rani, Cynthia Ratnasari, Tri Rendy Setiawan Rizkiah, Dwi Wardatul Sabila, Firman Syauqi Nur Sotto, Rachel Su'udi, Mukhamad Sudarmadji, S. Sugeng Winarso Sukron Romadhona Supriadi, Dudun Tri Ratnasari Ulaa, Munaa Aqidatul Wachju Subchan Wati, Dewi Erna Wimbaningrum, Retno Yennita Dwi April Liana Yulianto, Roni yusra yusra yusra yusra, yusra yusra