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EnviroScienteae
Published by Universitas Lambung Mangkurat
ISSN : 19788096     EISSN : 23023708     DOI : -
Core Subject : Social,
Environmental Science
Scientific Journal of Management of Natural Resources and Environment, aims to disseminate research findings on environmental and natural resource management. Publication 3 (three) times a year, every April, August and November.
Arjuna Subject : -
Articles 558 Documents
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ANALISIS BANJIR SUNGAI MENGGUNAKAN MODEL HEC-RAS DI WILAYAH DAS TABANIO KABUPATEN TANAH LAUT PROVINSI KALIMANTAN SELATAN Prayogo, Shonu Dwi; Syahdan, Muhammad; Ridwan, Ichsan; Rifa’i, Muhammad Ahsin
EnviroScienteae Vol 19, No 4 (2023): ENVIROSCIENTEAE VOLUME 19 NOMOR 4, NOVEMBER 2023
Publisher : Universitas Lambung Mangkurat

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20527/es.v19i4.17817

Abstract

This study aims to determine the amount of water runoff and water depth in the Tabanio Watershed, Tanah Laut Regency. The study was conducted using the HEC-RAS software to generate a flood simulation model. Data analysis included Digital Elevation Model for National Scale (DEMNAS) data, flood discharge data, rainfall data, river bathymetry, and tidal data. DEMNAS data was obtained from the website of the National Geospatial Information Agency (BIG), rainfall data was obtained from the Center for Hydrometeorology and Remote Sensing (CHRS) website. Rainfall data analysis involves selecting the maximum daily rainfall value to determine the flood discharge. The hourly flood discharge is calculated using the Synthetic Unit Hydrograph method with the Nakayasu approach. River bathymetry data is processed as additional data for DEM, with interval recording done every 0.2 seconds. Tide data was obtained through prediction based on the location constant closest to the research area and analyzed using the Pasut.exe software for a period of 6 days. Based on the results of flood analysis research using the HEC-RAS model in the Tabanio Watershed, Tanah Laut Regency, South Kalimantan Province, it can be concluded that the model results show the water depth and area of water runoff at maximum discharge. as follows: less than 0.5 meters with a very low category covering an area of 4,168.86 hectares, 0.51 to 1.5 meters with a low category covering an area of 6,417.79 hectares, 1.51 to 2.5 meters with a medium category covering an area of 1,987, 25 hectares, 2.51 to 3.5 meters with a high category of 741.47 hectares, and above 3.51 meters with a very high category of 113.69 hectares. So that the total water runoff reaches 13,429.05 hectares.
IDENTIFIKASI MINERAL SEKUNDER UNTUK MENILAI POTENSI TANAH LAHAN PERTANIAN CABE HIYUNG DI DESA HIYUNG KABUPATEN TAPIN KALIMANTAN SELATAN Taher, Ratna; Syarbini, Muhammad
EnviroScienteae Vol 20, No 2 (2024): ENVIROSCIENTEAE VOLUME 20 NOMOR 2, MEI 2024
Publisher : Universitas Lambung Mangkurat

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20527/es.v20i2.19384

Abstract

Hiyung Village is part of Tapin Tengah District, Tapin Regency, South Kalimantan. Besides rice, superior agricultural commodities in this village is Hiyung Cayenne Pepper. High demand and prices have caused more and more cayenne pepper to be cultivated. Hiyung Cayenne Pepper Cultivation is expected to increase farmers' income, so efforts are needed so that agricultural activities can continue. The sustainability of agricultural can be maintained if they are managed well. Appropriate management actions can be implemented if the soil and land characteristics are known. Soil is one of the things that really determines the success of an agricultural business, especially the availability of nutrients. Analysis of the secondary mineral composition of soil (sand) is very important in order to determine the nutrient reserves in the soil. Information about nutrient reserves in the soil can be used as a basis for good soil management so that it meets plant needs and does not cause damage to the soil and the environment. The specific aim of this research is to determine the composition of primary minerals (sand) to identify nutrient reserves in the soil. This research was carried out using a survey method to obtain data or information on soil and land characteristics and current management. Observations and soil sampling in the field were carried out at 5 locations with a distance of 1 km between locations. Sand mineral analysis uses a polarizing microscope to determine the mineral composition. Primary minerals (sand) at the research location are dominated by rock fragments and quartz. The weatherable mineral content is very small so the potential for nutrient reserves is very small.
ANALISIS ESTIMASI LAJU EROSI DI DAS MALUKA PROVINSI KALIMANTAN SELATAN DENGAN MODEL E30 Ilmi, Zainal; Badaruddin, Badaruddin; Suyanto, Suyanto; Fithria, Abdi
EnviroScienteae Vol 19, No 4 (2023): ENVIROSCIENTEAE VOLUME 19 NOMOR 4, NOVEMBER 2023
Publisher : Universitas Lambung Mangkurat

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20527/es.v19i4.17795

Abstract

Problems in the Maluka watershed such as flood disasters are an indication that the management of the Maluka watershed still needs continuous and targeted improvement, one indication of the cause of the flood problem is the high rate of erosion in the Maluka watershed, several studies have been conducted in parts of the Maluka watershed area, but comprehensive erosion rate data in the Maluka watershed area still does not exist so that this Erosion Rate Estimation research with the E30 Model can be an answer and will produce data in the form of Geospatial data that can be a reference for watershed management information systems,  The research method uses the E30 Model which only requires three parameters, namely NDVI data obtained from Sentinel 2-MSI Imagery, slope data obtained from DEM data and sample data of the miminum erosion rate and maximum erosion rate in the Maluka watershed at a slope of 30 degrees taken during one year, from field sample data shows a minimum erosion rate of 29.23 mm/year and a maximum erosion rate of 83.67 mm/year, analysis of erosion rate estimation with the E30 model in the Maluka watershed shows the highest erosion rate in the Maluka watershed 1. 000- 1,299.72 tonnes/ha/year covering 128 hectare, 0.15% of the Maluka watershed area.  The smallest erosion rate in the Maluka watershed is 0-15 tonnes/ha/year covering 8,180 hectare, 9% of the Maluka watershed area.  Very severe Erosion Hazard Level (IV-SB) is located in the upper area of the Maluka watershed which is dominated by steep slopes, especially in the Banyu irang sub-watershed which does have a higher slope level than the Bati-bati sub-watershed.  The erosion rate of 180-480, which indicates Severe Erosion Hazard Level (III-B), is spread over more gentle areas, while Moderate Erosion Hazard Level (III-S) dominates in the middle and lower reaches of the Maluka watershed.
DAYA DUKUNG LINGKUNGAN HIDUP BERBASIS JASA EKOSISTEM PENYEDIA AIR DAN PANGAN DI KABUPATEN HULU SUNGAI UTARA Rizkon, Muhammad; Kadir, Syarifuddin; Kissinger, Kissinger; Ridwan, Ichsan
EnviroScienteae Vol 20, No 1 (2024): ENVIROSCIENTEAE VOLUME 20 NOMOR 1, FEBRUARI 2024
Publisher : Universitas Lambung Mangkurat

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20527/es.v20i1.18880

Abstract

The population growth in Hulu Sungai Utara District has led to an unsustainable exploitation of natural resources, negatively impacting environmental quality. This study aims to analyze the environmental support of ecosystem services, specifically focusing on water and food provision in the region. The analytical method involves calculating indicative environmental support based on ecosystem services. It includes the classification of ecoregion characteristics (landscapes and natural vegetation types), land cover assessment, and the creation of service/performance maps using the Simple Additive Weighting method. The results indicate a predominance of high to very high categories in the ecosystem service of water provision, covering 71.77% of the total area. Similarly, the ecosystem service of food provision is characterized by moderate to very high categories, with the moderate category covering 30.13%, the high category covering 36.32%, and the very high category comprising 24.83% of the total area in Hulu Sungai Utara District. These findings provide crucial insights for policymakers and local communities to formulate informed strategies and policies for sustainable water and food resource management.
RANCANGAN TEKNIS DAERAH TANGKAPAN HUJAN UNTUK MENGURANGI PENGIKISAN BIDANG LERENG DAN MENCEGAH AIR LIMPASAN DENGAN METODE CROSS FALL PADA TEMPAT PENYIMPANAN TANAH PUCUK Reinaldy, Wilmar; Nugroho, Yusanto; Razie, Fakhrur; Arifin, Yulian Firmana
EnviroScienteae Vol 20, No 1 (2024): ENVIROSCIENTEAE VOLUME 20 NOMOR 1, FEBRUARI 2024
Publisher : Universitas Lambung Mangkurat

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20527/es.v20i1.18845

Abstract

Mining activities often cause environmental damage, such as landslides, floods and ecosystem changes. These activities include land clearing, top soil stripping, overburden stripping, coal excavation, coal transport and processing. It is necessary to have an activity as an effort to rehabilitate so that there is no sustainable environmental damage. Therefore topsoil storage must be carried out in order to return the post-mining area to green again. The consideration of replanting ex-mining areas uses a comprehensive environmental management strategy, especially in terms of handling nutrient-rich topsoil. Topsoil is peeled to a thickness of 0.5 – 1 meter using an excavator. Then it is stacked and stockpiled in a place that is safe from mining activities so that later it can be reused in reclamation activities. The purpose of this research is to obtain a technical design on the corner of the storage area to reduce the eroding impact of rain runoff or other mining activities. Where the method used is to calculate the erosion that occurs on each slope where the test is carried out with 4 different slope angles such as 20⁰, 25⁰, 30⁰ and 35⁰. After obtaining the erosion data, the researchers created an ideal design to reduce the impact by considering the balance aspects of the slope and the material itself. Where the recommended angle data obtained to reduce the eroding impact is 25⁰.
SOCIAL RETURN ON INVESTMENT (SROI) ANALYSIS OF THE ELECTRIC MOTOR CONVERSION TRAINING PROGRAM IN NORTH LAMPUNG Redaputri, Appin Purisky; Barusman, M Yusuf S
EnviroScienteae Vol 20, No 4 (2024): ENVIROSCIENTEAE VOLUME 20 NOMOR 4, NOVEMBER 2024
Publisher : Universitas Lambung Mangkurat

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20527/es.v20i4.20124

Abstract

Converting conventional motors into electric vehicles can reduce dependence on fossil fuels. The conversion process involves engine replacement, charging system installation, and vehicle structure modification. The conversion program was carried out involving workshops and vocational high school students. The Social Return on Investment (SROI) method was employed to measure the social and economic impacts of the program, involving impact identification, measurement, monetization, cost comparison, and analysis. The PLN Cares program undertook motor conversion with the aim of improving sustainability and quality. The research problem and objectives focused on measuring the SROI in the electric motor conversion program. The research method employed a qualitative approach with data collection techniques through in-depth interviews, focus group discussions, observations, and literature studies. Data were continuously analyzed during and after collection. SROI calculations involved initial investment capital input and impact value, resulting in an SROI ratio of 5.03. The research results indicated that the PLN Cares program had a significant social impact, with an SROI ratio indicating a profitable investment value. Conclusions and recommendations involved maintaining the working mechanisms, synergy among stakeholders, and using the program as a guide for similar projects in the future.
SIMULASI KUALITAS AIR PADA SISTEM DISTRIBUSI AIR WILAYAH PELAYANAN IPA AURDURI 3 MENGGUNAKAN SOFTWARE EPANET 2.2 Gusri, Lailal; Ilfan, Freddy; Septian, Ahmad Al Idrus
EnviroScienteae Vol 20, No 4 (2024): ENVIROSCIENTEAE VOLUME 20 NOMOR 4, NOVEMBER 2024
Publisher : Universitas Lambung Mangkurat

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20527/es.v20i4.17718

Abstract

This research aims to model residual chlorine in the drinking water distribution system with EPANET 2.2 software in the IPA Aurduri 3 of service area. The problem that occurs is the construction of the Aurduri 3 IPA in 2020 to meet the need for clean water in several areas that are not reached by the Aurduri 1 IPA and 2, especially the Bougenville, Pinang Merah and surrounding areas. Adding chlorine twice, namely at the IPA Aurduri 3 and the booster pump, increases the risk of excess chlorine in the service area and can reduce water quality. Modeling the distribution of residual chlorine in the clean water distribution system can provide a solution in dealing with residual chlorine in drinking water distribution. The results found of 30 points in the clean water network that were below standard and dominated at the service end with residual chlorine ranging between 0-0.4 and after calibration 0.16-0.3. This is due to the age of the water which is influenced by velocity which does not meet the standard by 121 points and causes delays in obtaining residual chlorine at sufficient levels.
PENGARUH PUPUK KASGOT BLACK SOLDIER FLY (Hermetia illucens) TERHADAP PERTUMBUHAN TANAMAN SAWI Musyafir, Sandy; Gazali, Akhmad; Noor, Muhammad
EnviroScienteae Vol 20, No 4 (2024): ENVIROSCIENTEAE VOLUME 20 NOMOR 4, NOVEMBER 2024
Publisher : Universitas Lambung Mangkurat

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20527/es.v20i4.20451

Abstract

This study aims to determine the effect of combining Kasgot fertilizer with dolomite on the growth and production of mustard plants, identify the best dose of Kasgot for mustard plant growth and production, and assess its impact on the properties of Ultisol soil. The study used a factorial Completely Randomized Design (CRD) with combinations of Kasgot fertilizer and dolomite, resulting in 10 treatments and 3 replications, yielding a total of 30 experimental units. M0 = NPK fertilizer at 200 kg/ha, M1 = 50 t/ha, M2 = 60 t/ha, M3 = 70 t/ha, M4 = 80 t/ha, D0 = without dolomite, D1 = with dolomite (1.4 t/ha). The results showed that applying dolomite at a dose of 1.4 t/ha (D1) significantly affected the growth of mustard plants compared to the treatment without dolomite (D0). The use of Kasgot fertilizer at a dose of 80 t/ha (M4) provided the best results for mustard plant growth, and the application of Kasgot fertilizer with dolomite was proven to improve the chemical properties of Ultisol soil, leading to increased pH, P-potential, and K-potential values.
AUTOMATED MULTI-MODEL PREDICTION AND EVALUATION FOR CONNECTING RAINFALL PREDICTION INFORMATION AND SINGLE-YEAR OPERATIONAL PLAN OF LAHOR-SUTAMI DAM Mahmudiah, Rikha Rizki; Crysdian, Cahyo; Hariyadi, Mokhamad Amin; Kurniawan, Andang
EnviroScienteae Vol 20, No 4 (2024): ENVIROSCIENTEAE VOLUME 20 NOMOR 4, NOVEMBER 2024
Publisher : Universitas Lambung Mangkurat

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20527/es.v20i4.21054

Abstract

There is a gap between existing climate information and the needs of annual dam operational planning. This study aims to demonstrate that the percentile approach currently used for planning is not optimal, especially now that automation has become more accessible. The purpose of this study is to design an automated forecasting and evaluation system based on 36 10-days rainfall projections using a multi-model approach. This approach comprises a percentile, ARIMA, ECMWF+ARIMA, IOD DMI regression, ERSST regression, and ensemble methods models. Additionally, this study aims to demonstrate how a verified, multi-model-based rainfall forecast can provide more reliable assurance for the annual operational planning of Lahor-SutamiDam, simulated operationally in November 2022 for the 2022/2023 planning cycle. Data utilized include historical 10-days rainfall data from 1991 to 2023, ECMWF raw and corrected model outputs, Nino-Dipole index, and global sea surface temperature. The verification method employs four criteria based on MAE and fit index. An operational simulation approach is used for training-testing period segmentation, while a 10-year window is applied to account for possible climate-change-induced shifts in relationships. Single linear regression is used to avoid overfitting. The automation system was developed using R-Statistics. Results indicate that the current approach is only optimal for 58% of locations. Superior methods identified include ECMWFcorrected, ERSST regression, and Ensemble models. A case study for 2022/2023 demonstrates that the forecast results outperform the existing plan for at least 78% of the projected periods.
Pengaruh Pemberian Kompos Eceng Gondok Dan Purun Tikus Terhadap Pertumbuhan Dan Produksi Tanaman Terong Ungu (Solanum Melongena L) Iswahyudi, Herry; Fahmi, Fahmi; Indriani, Indriani
EnviroScienteae Vol 20, No 4 (2024): ENVIROSCIENTEAE VOLUME 20 NOMOR 4, NOVEMBER 2024
Publisher : Universitas Lambung Mangkurat

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20527/es.v20i4.20835

Abstract

Water hyacinth (Eichhornia crassipes) and Purun tikus (Eleocharis dulcis) plants are commonly found in rice fields, especially in South Kalimantan, where they act as weeds in the main crop. However, these plants can be utilized as compost to enhance soil nutrients for crops. This study aims to evaluate the effect of compost derived from water hyacinth, Purun tikus, and their combination on the growth and yield of purple eggplant (Solanum melongena). The study uses a Randomized Block Design (RBD) method with four treatments, each repeated six times, resulting in 24 experimental plants as follows: P0 = no treatment (control), P1 = 900 g water hyacinth compost, P2 = 900 g Purun tikus compost, and P3 = a combination of 450 g water hyacinth compost and 450 g Purun tikus compost. The results indicated that, for plant height, treatment P3 yielded an average of 53.61 cm; for leaf count, treatment P3 produced an average of 45.66 leaves; for stem diameter, treatment P1 achieved an average of 9.90 mm; for fruit count, treatment P3 showed an average of 2.16 fruits; and for fresh fruit weight, the best result was achieved by treatment P3, with an average weight of 145.83 g

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