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All Journal Quagga Jurnal Sains & Teknologi Lingkungan Jurnal Penelitian Pendidikan IPA (JPPIPA) Biota Hydrogen: Jurnal Kependidikan Kimia Potret Pemikiran Bioscientist : Jurnal Ilmiah Biologi Makara Journal of Science JIPI (Jurnal IPA dan Pembelajaran IPA) Agroinovasi
Ervina Titi Jayanti
Universitas Islam Negeri Mataram
Religion Agriculture, Biological Sciences & Forestry Humanities Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry Computer Science & IT Education Environmental Science Immunology & microbiology Materials Science & Nanotechnology Medicine & Pharmacology Physics Social Sciences

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Pengaruh Variasi Pemberian Dosis POC Kulit Pisang terhadap Pertumbuhan Daun Stek Peppermint (Mentha piperita L.) Rizkika Maulida; Ervina Titi Jayanti; Firman Ali Rahman
Agroinovasi: Jurnal Ilmu dan Teknologi Pertanian Vol. 2 No. 1 (2025): April 2025
Publisher : Yayasan Tajuk Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.71024/agroinovasi.2025.v2i1.139

Abstract

Variations in the provision of fertilizers to plants have an important role and support the growth and development of plants, one of which is the peppermint plant (Mentha piperita L.). This study aims to determine the effect of giving variations in the dosage of liquid organic fertilizer of banana peels on the productivity of leaf growth of peppermint plant cuttings (Mentha piperita L.). Analysis of plant growth data using statistics with factorial Anova test and with 5% BNT test if the data is significant. The results showed that giving variations in the dosage of liquid organic fertilizer of banana peels had a significant effect on the growth of leaves of peppermint plant cuttings (Mentha piperita L.). The dosage of 100 ml of uli banana peel POC (P3U1) gave the best results on branch growth and dry leaf weight, while the dosage of 87.5 ml of uli banana peel POC (P2U1) was optimal for the growth of the number of leaves, and the dosage of 100 ml of kepok banana peel POC (P3U2) produced the highest fresh leaf weight.
Phytoremediation of Lead Heavy Metals in the Mangrove Ecosystem of the Lembar Harbor Area, West Lombok Regency, Indonesia Rahman/Firman, Firman Ali; Ihsan, Muhammad Shohibul; Agustini, Dwi; Jayanti, Ervina Titi
Makara Journal of Science Vol. 29, No. 2
Publisher : UI Scholars Hub

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Abstract

Mangroves play a vital role as bioindicator plants in port areas with the potential for non-essential heavy metal contamination. This study aimed to determine the potential for phytoremediation of lead heavy metal in mangrove vegetation resulting from port operations. The research was conducted in the mangrove ecosystem of Lembar Harbor, West Lombok Regency, West Nusa Tenggara, Indonesia. Substrate, leaf, and root samples were collected using a purposive random sampling technique and analysis for testing the lead heavy metal content using atomic absorption spectrophotometry. The results showed that the average heavy metal content of lead accumulated in the substrate in each mangrove stand (14.35 ± 2.711 ppm) was higher than the average heavy metal content in the roots (5.48 ± 2.300 ppm) and leaves (3.55 ± 1.623 ppm). Further analysis showed that nine out of 10 mangrove species act as a phytostabilizer against the lead heavy metal with an average translocation factor of no more than one (0.59 ± 0.176). Only Rhizophora stylosa showed the ability for phytoextraction with a translocation factor more than one (1.488). All types of mangroves in the Lembar Harbor area had a bioconcentration factor lower than one, with an average leaf bioconcentration factor of 0.25 ± 0.115 ppm and a root bioconcentration factor of 0.39 ± 0.161 ppm. The ecological function of the mangroves in Lembar Harbor is more specifically an excluder plant for lead heavy metal bioaccumulation with a biological concentration factor (BCF) < 1 and phytoremediation (FTD) < 1, which can be affected by the low accumulated BCF of leaves and roots.
Assessment of Microalgal Biodiversity as Bioindicator of Aquatic Ecosystem Health in Kombal Bay, Lombok Island, Indonesia Jayanti*, Ervina Titi; Purwati, Nining; Ihsan, Muhsinul
Jurnal IPA & Pembelajaran IPA Vol 9, No 3 (2025): SEPTEMBER 2025
Publisher : Universitas Syiah Kuala

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24815/jipi.v9i3.48310

Abstract

A good aquatic environment will ensure the availability of clean water, prevent the spread of disease, and support the balance of marine and freshwater ecosystems. Determination of the health status of aquatic environments can use various chemical, physical, and biological parameters. Microalgae are commonly used as bioindicators of changes in the environmental quality of aquatic ecosystems because they have high sensitivity to chemical and physical changes that enter the water. One of the areas with high ecological and economic potential in Indonesia is Kombal Bay, located on Lombok Island, West Nusa Tenggara. This study aims to determine the health level of the Kombal Bay freshwater ecosystem using microalgae as bioindicators. This study is a descriptive exploratory study with qualitative and quantitative approaches. Microalgae determination uses the Algaebase online database guide, diversity analysis uses the Shannon-Wiener diversity index (H) and the evenness index (E). The results showed that there were 23 types of microalgae, the majority of which were members of Bacillariophyta, the diversity of the microalgae community was classified as moderate (H=1.37) with an uneven distribution of species (E=0.43). The combination of these various parameters indicates that the waters of Kombal Bay are lightly to moderately polluted and are starting to show ecological pressure
Analisis Kandungan Merkuri dalam Sedimen dan Keong Sawah (Pila Ampullacea Linn.) Danau Lebo Sumbawa Barat Nabila, Riska; Purwati, Nining; Jayanti, Ervina Titi
Jurnal Sains dan Teknologi Lingkungan Vol. 16 No. 1 (2024): SAINS & TEKNOLOGI LINGKUNGAN
Publisher : Teknik Lingkungan Universitas Islam Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20885/jstl.vol16.iss1.art4

Abstract

Traditional gold mining around Lake Lebo has a positive impact on people's income, but it has a negative impact on the waters of Lake Lebo. This is evidenced by a 2016 study conducted on 2016 that reported mercury pollution in the sediments and fish of Lake Lebo. The objective of this study is to determine the mercury content in the sediments of Lake Lebo, West Sumbawa. The sampling employed purposive sampling with four research stations based on their utilization around Lake Lebo. The mercury content in the samples was tested using an AAS (Atomic Absorption Spectrophotometer). The sediments of Lake Lebo Meraran contain 0.70 ppm of mercury (lightly polluted). The Meraran Paddy Field Sediment contains 0.31 ppm of mercury (tolerable). The sediments of Lake Lebo Seloto contain 0.22 ppm of mercury (normal). The mercury content in Lake Lebo Rice Snails is less than 0.0001 (undetectable), making them safe for public consumption. Several factors contribute to the undetected mercury in the samples, namely rainfall, floods, waste storage, and phytoremediation by aquatic plants.
Co-Authors Bq. Siti Maulida Azmi Budi S. Daryono Devi Qurniati Dwi Agustini, Dwi Firman Ali Rahman Firman Ali Rahman Hervina Hervina Ihsan, Muhammad Shohibul Ihsan, Muhsinul Lestari Lestari Lestari Lestari Miftahul Jannah Nabila, Riska Nining Purwati Okta Pratama Rina S. Kasiamdari Rizkika Maulida Siti Nurhidayati Suhaebatul Islamiah Usnah Meilani