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All Journal Jurnal Penelitian Pendidikan IPA (JPPIPA) Jurnal Biologi Tropis Jurnal Gema Ngabdi Jurnal Abdi Insani
Suripto Suripto
Biology Study Program, Faculty Of Mathematics And Natural Sciences University Of Mataram
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Health Status of Seagrass Beds in Intertidal Zone of West Sekotong West Lombok Anisa Nurfitriani; Dining Aidil Candri; Sri Puji Astuti; Hilman Ahyadi; Suripto
Jurnal Penelitian Pendidikan IPA Vol 12 No 2 (2026)
Publisher : Postgraduate, University of Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jppipa.v12i2.7605

Abstract

The coastal waters of West Sekotong possess significant potential in fisheries and marine resources. Seagrass is one of the key biotas contributing nutrients to support the fertility of surrounding waters. This study, conducted from May to July 2021 aimed to identify seagrass species and assess the health status of seagrass bed based on percentage cover and ecological indices. The research method used was purposive sampling with three research stations and systematic random sampling with transects. Based on the research that has been conducted, the following results were obtained seven seagrass species from two families. Hydrocharitaceae families (Enhalus acoroides, Thalassia hemprichii, Halophila ovalis, Halophila minor) and Cymodoceaceae families (Cymodocea rotundata, Cymodocea serrulata, Halodule pinifolia). The highest species density was H. pinifolia (119.47 ind/m²), with the highest important value index at station 1 (H. pinifolia 89%), station 2 (T. hemprichii 205%), and station 3 (E. acoroides 300%). Station 1 had the highest diversity and uninformity index, while station 3 was dominated by single species. Seagrass cover ranged from 31–48.33%, indicating unhealthy conditions, although environmental parameters remained within suitable ranges for seagrass growth.
Evaluation of Insecticidal Performances of Jayanti Plant (Sesbania sesban) for Integrated Control of Cabbage Caterpillar (Plutella xylostella) Suripto Suripto; Lalu Japa; Hilman Ahyadi; Rachmawati Noviana Rahayu
Jurnal Penelitian Pendidikan IPA Vol 9 No 10 (2023): October
Publisher : Postgraduate, University of Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jppipa.v9i10.5635

Abstract

The study on the use of local natural materials as a source of insecticides is intended, among other things, to reduce farmers' dependency on using synthetic chemicals. This research was conducted to obtain the most selective insecticidal active ingredient from Sesbania sesban plant for controlling cabbage caterpillars, choose a target mode of action that has a safe impact on the environment, and determine insecticidal stability during storage of the material prior to application and its stability in water after application.  The dried powder of S. sesban leaves was extracted in stages using a series of solvents, namely hexane, DCM, ethanol and water, respectively.  Each of the extract fractions produced was tested for its lethal toxicity against Plutella xylostella larvae and Diadegma semiclausum imago. Each of mortality data were processed by probit analysis to produce LC50(s) to determine their insecticidal selectivity. Subsequent bioassays were carried out using extract-water of S. sesban leaves and the data were processed by probit analysis to determine their anti-ovipositor, ovicidal powers and anti-feedant properties against P. xylostella. The insecticidal stability of S. sesban was also studied according to variations in the storage time of the simplicia before extraction, the storage time of the extract before dissolution, and its stability in water during application. The data was processed using ANOVA. The results show that the insecticidal activity of the ethanol extract fraction of S. sesban leaves for controlling cabbage caterpillars was very selective, namely very toxic to P. xylostella but very less toxic to D. semiclausum. Against P. xylostella, S. sesban leaf extract has also been proven to significantly prevent oviposition, inhibit egg hatching and feeding activity. The insecticidal power of S. sesban did not decrease significantly during storage of the simplicia for less than three months and during storage of the extract for less than seven days. However, the toxicity of the extract solution decreased drastically after 24 hours of application
Analysis of Residential Well Water Quality Around People's Gold Mines in the Tourist Area of Dusun Selindungan Rachmawati Noviana Rahayu; Suripto; Hilman Ahyadi
Jurnal Penelitian Pendidikan IPA Vol 10 No 7 (2024): July
Publisher : Postgraduate, University of Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jppipa.v10i7.8200

Abstract

The Sekotong area has natural charm and potential mining. This area is one of the preferred destinations for visits by local and foreign tourists. However, apart from that, the Sekotong area is also famous as a community gold mining area. Mining activities carried out still use traditional methods, which are very far from environmentally friendly principles, so they can have impacts, including causing a decrease in the quality of residential well water. This research was conducted to determine the water quality of residential wells around community gold mining in the tourist area of Dusun Selindungan Eleven well water samples were taken using a purposive sampling method based on the distance of the well to the source of gold mining waste disposal and are still used by residents to meet their daily needs. Physical, chemical and biological water quality parameters of water samples were investigated in the laboratory, except temperature and pH were measured directly in the field. Data for each water quality variable was analyzed to determine the pollution index. The results show that DO, TDS, content of phosphate, E. Coli bacteria and total coliforms in well water from the study area generally exceed quality standardsWell water in an area that is a different distance from the people's gold mining waste disposal site has each been contaminated with manganese and mercury, although it is still below quality standards.
Identification and Mapping of Flood Vulnerability in the Meninting Watershed, West Lombok Arben Virgota; Baiq Farista; Suripto; Lalu Adi Gunawan; Ernawati
Jurnal Penelitian Pendidikan IPA Vol 10 No 7 (2024): July
Publisher : Postgraduate, University of Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jppipa.v10i7.8201

Abstract

Flooding is the inundation of a flat area as a result of overflowing water from the surrounding area or an overflowing river. The largest river that crosses West Lombok Regency is the Meninting River. The Meninting watershed area as a catchment area has an area of 12,307.75 hectares. This research aims to identify and map flood-vulnerability areas in the Meninting Watershed. Data collection was carried out through a geographic information system (GIS) using overlay and scoring methods. The variables used to assess the level of flood vulnerability were land slope, soil type, rainfall, land cover, and geological aspects. The level of flood vulnerability is divided into three classes, namely not vulnerable, moderately vulnerable, and very vulnerable. The results show that of the 41 villages/sub-districts in the Meninting watershed, 34 villages/urban- villages with a coverage area of 8.21% were very vulnerable to flooding. The four villages that have the largest flood-vulnerable areas were the villages of North Ampenan (120.16 hectares), Midang (87.43 hectares), Dasan Griya (79.68 hectares), and Sesela (77.32 hectares). Around 56.24% of all villages/urban villages in the Meninting watershed were quite vulnerable to flooding and 35.55% of the area was not vulnerable.
Co-Authors Ahmad Jupri Ahmad Jupri Ali Aqif Rabbani Fadholi Anisa Nurfitriani Arben Virgota Atika Choirunissa Baiq Farista Baiq Medina Baiq Puji Hendrawati Choirul Umam Dian Tri Wahyuni Dining Aidil Candri, Dining Aidil Eka Sunarwidhi Prasedya Ernawati Ernin Hidayati Farista, B. Feby Ayu Genggelang Gunawan, E.R. H. Ahyadi Hilman Ahyadi Hilman Ahyadi Immy Suci Rohyani Jupri, A. Kurniasih Sukenti L Wiresapta Karyadi Lalu Adi Gunawan Lalu Japa Lalu Japa Lalu Japa Lalu Muhammad Aby Dujana Meysya Putri Muhamad Alfian Yunanmalifah Nuning Juniarsih Nurul Hidayah Peti Arita Les Sumbawati Rachmawati Noviana Rahayu Rachmawati Noviana Rahayu Rizka Yulia Ashari Salsa Billah Shintya Putri Anggriani Sri Puji Astuti Sukiman Sukiman Supardiono Supardiono Tapaul Rozi Taufiq Ramdani Tresnani, G. Tri Mulyaningsih Virgota, A.