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All Journal Jurnal Biologi Tropis Jurnal Pengabdian Magister Pendidikan IPA Jurnal Pengabdian Masyarakat Sains Indonesia (Indonesian Journal Of Science Community Services) Jurnal Ilmiah Profesi Pendidikan Jurnal Pijar MIPA Indonesian Journal of STEM Education
Agil Al Idrus
Universitas Mataram
Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Chemistry Economics, Econometrics & Finance Education Engineering Immunology & microbiology Library & Information Science Mathematics Physics Public Health Social Sciences

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Evidence of The Successful Conservation of Enhalus Acoroides in Terms of The Diversity of Bivalves on The Coast of East Lombok Rizal Umami; Agil Al Idrus
Jurnal Biologi Tropis Vol. 23 No. 2 (2023): April-June
Publisher : Biology Education Study Program, Faculty of Teacher Training and Education, University of Mataram, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jbt.v23i2.4320

Abstract

The existence of seagrass in coastal areas can affect marine biota that live around it. Seagrass has an important role as an area of ​​care, spawning, and protection. This study aims to determine the success of conserving seagrass beds of the Enhalus acorodies species in terms of bivalve diversity on the south coast of East Lombok. The research was conducted using transect and observation methods. The data obtained were analyzed using evenness index, diversity index, and species richness. The results of the study found 10 types of Bivalves in Poton Bako. Bivalves diversity index is included in the medium category of 2,228. The evenness index of bivalves was 0.409 in the low category. Then, the species richness index is 1.653 in the low category. The species diversity of Bivalvia in seagrass beds in Poton Bako is still relatively moderate so that the sustainability of the seagrass species Enhalus acoroides can be said to be maintained. The existence of a feed source or substrate derived from the remains of seagrass is used as a source of feed. The conservation of Enhalus acoroides seagrass needs to be maintained so that it has an impact on the survival and diversity of Bivalves in the area.
Conditions of Seagrass Ecosystems in Gili Sulat Waters, Sambelia District, East Lombok Regency in 2022 Suhaeri Ihwani; Agil Al Idrus; I Gde Mertha
Jurnal Biologi Tropis Vol. 23 No. 2 (2023): April-June
Publisher : Biology Education Study Program, Faculty of Teacher Training and Education, University of Mataram, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jbt.v23i2.4785

Abstract

Seagrass has high productivity so it is said to be a complex shallow marine ecosystem. The role of seagrass ecosystems is very important, especially in terms of ecological and economic functions. The purpose of this research is to reveal the existing condition of the seagrass ecosystem. Data collection used the line transect method with a square measuring 1m x 1m. The sampling technique uses a systematic random sampling method. The results of the study obtained 4 species and 2 families, among others: Hyddrocharitaceae including Enhalus acoroides, and Thalassia hemprichii. The Potamogetonaceae family consists of Cymodocea rotundata, and Syringodium isoetifolium. Seagrass species that have a high enough influence on seagrass ecosystems in Gili Sulat waters are Thalassia hemprinchii, with an important value index (INP) of 184.74, a density value of 65.59% (rather dense status), a frequency of 48.21% (wide enough distribution), and 70.84% coverage (rich/healthy status).
Evidence of Successful Mangrove Conservation Avicennia marina Viewing from Bivalves Diversity in Central Lombok Ulfah Nurkhaeroni; Agil Al Idrus
Jurnal Biologi Tropis Vol. 23 No. 3 (2023): July - September
Publisher : Biology Education Study Program, Faculty of Teacher Training and Education, University of Mataram, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jbt.v23i3.4360

Abstract

Administratively, the coastal area of Central Lombok Regency is included in the mangrove conservation program which is currently in the process of rehabilitation. Shellfish as one of the associated biota that live in the mangrove ecosystem. This study aims to analyze the diversity (H'), uniformity (E), dominance (D), and abundance (R) of associated biota in the mangrove ecosystem conservation area on the south coast of Central Lombok Regency. Data analysis consisted of determining sampling stations, processing mangrove vegetation data, processing bivalve data, and environmental parameters. The results showed that there were nine types of mangroves, 15 types of bivalves were found. The highest density of mangroves in Dondon was Avicennia marina (84.16%) and the highest relative frequency of mangrove species (66.67%). The lowest mangrove density in Gili Perigi was Rhizophora stylosa (3.1%) and the lowest relative species frequency (6.67%). Furthermore, the highest relative frequency in Tanjung Batutiang is Avicennia marina (30.00%) and the lowest is Avicennia lanata (3.33). While the highest relative frequency in Gili Perigi was Avicennia marina (50.00%) and the lowest was Rhizopora stylosa (6.67%). The highest value of the dominance index on the Dondon Coast was 0.84 and was classified as low, meaning that no species dominated. In conclusion, the Indonesian government has initiated many mangrove Rehabilitation programs through replanting, especially on Lombok Island. This study shows that members of the genus Avicennia marina have the potential to increase the growth and stability of mangrove ecosystems on the south coast of Central Lombok.
Mangrove Ecosystem Services in Mitigation for Mollusca Communities in Lembar Sheet District, West Lombok Regency Sekar Partiwi; Agil Al Idrus; Rizal Umami
Jurnal Biologi Tropis Vol. 23 No. 3 (2023): July - September
Publisher : Biology Education Study Program, Faculty of Teacher Training and Education, University of Mataram, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jbt.v23i3.4367

Abstract

Mangroves have an important role in mitigation and a significant contribution to the wealth of macrofauna. The success of mangrove management has significantly affected the diversity of macrofauna which are associated biota. The research objectives were to investigate the composition of mangroves and mollusc communities, the ecological conditions of the waters, and evidence of mangrove ecosystem services in mitigation. The research data sources are faunal, ecological, and social data. The research method uses purposive sampling and data analysis using descriptive statistics. The results showed that 7 mangrove species were found in the Cemare mangrove area. Avicennia marina, Bruguiera gymnorriza, Ceriops tagal, Rhizophora apiculata, Rhizophora mucronata, Rhizophora stylosa, and Sonnetaria alba. The dominant mangroves were Rhizopora stylosa (201 ind/Ha) and Rhizopora apiculata (146 ind/Ha). Meanwhile, the highest abundance of mollusc species was obtained by Cerithidea cingulate (38.94%) and Nerita undata (29.20%) from the gastropod class, while from the Bivalvia class, Anadara grandis (36.07%) and Anadara granosa (19.67%) were found). The condition of the aquatic environment at the research site is still within the tolerance range required for the growth and development of mollusk species. Furthermore, the majority of respondents know or are aware that mangroves have an ecological function (habitat/habitat for animals), an economic function (a livelihood location), a physical mitigation function (abrasion resistance), a non-physical mitigation function (reducing environmental heat) Good category. These results indicate that efforts need to be made to increase mangrove revegetation, given its significant benefits in mitigation.
Pengembangan LKPD Berbasis Ekosistem Mangrove Melalui Model Project Based Learning Untuk Meningkatkan Pemahaman Konsep Tentang Ekosistem di SMAN 1 Lembar Siti Barrotul Sakinah; Agil Al Idrus; Abdul Syukur
Jurnal Ilmiah Profesi Pendidikan Vol. 8 No. 3 (2023): Agustus
Publisher : Fakultas Keguruan dan Ilmu Pendidikan, Universitas Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jipp.v8i3.1258

Abstract

Penelitian ini bertujuan untuk menghasilkan produk lembar kerja peserta didik berbasis ekosistem mangrove melalui model project based learningyang dapat membantu meningkatkan pemahaman konsep siswa pada materi ekosistem di SMAN 1 Lembar. Metode penelitian yang digunakan adalah Research and Development (R&D) dengan menggunakan model ADDIE (Analysis, Design, Development, Implementation, and Evaluation) Dalam penelitian ini yang menjadi populasi penelitian adalah seluruh kelas X MIPA dengan jumlah siswa sebanyak 131 siswa. Sampel pada penelitian ini diambil dengan teknik purposive sampling dan diperoleh kelas X MIPA 4 sebagai sampel penelitian berjumlah 33 orang dengan menggunakan uji coba lapangan terbatas. Sebelum dilakukannya uji coba lapangan terbatas, terlebih dahulu dilakukan uji coba kelompok kecil pada siswa kelas X MIPA 2 dengan jumlah siswa sebanyak 10 orang. Berdasarkan hasil temuan, validasi lembar kerja peserta didik oleh validator memiliki presentase rata-rata sebesar 79.61% dalam kategori layak. Sedangkan hasil penilaian siswa terhadap LKPD pada uji coba kelompok kecil penilaian keseluruhan sebesar 82.71% dalam kategori sangat layak dan pada uji coba lapangan terbatas penilaian keseluruhan sebesar 66.65% dalam kategori layak. Adapun perolehan nilai N-gain untuk mengetahui pengaruh lembar kerja peserta didik dapat meningkatkan pemahaman konsep siswa pada uji coba kelompok kecil skor N-gain sebesar 0.59 dalam kategori sedang. Sedangkan pada uji coba lapangan terbatas memiliki skor N-gain sebesar 0.63 masuk dalam kategori sedang. Dengan demikian, alhasil pengembangan produk lembar kerja peserta didik berbasis ekosistem mangrove melalui model project based learningdapat meningkatkan pemahaman konsep siswa SMAN 1 Lembar.
Carbon Content Potential of Mangrove Species in Gili Sulat, East Lombok Ainun Diniyatushoaliha; Agil Al Idrus; Didik Santoso
Jurnal Biologi Tropis Vol. 23 No. 3 (2023): July - September
Publisher : Biology Education Study Program, Faculty of Teacher Training and Education, University of Mataram, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jbt.v23i3.5275

Abstract

Mangroves are a unique ecosystem because they live in two transition zones, always green, and tolerant of salt. However, globally it is under serious threat due to environmental issues that are closely related to deforestation and degradation of mangrove forests. Mangrove ecological services as a carbon sink can help mitigate climate change and global warming. This capability has not been utilized optimally, especially in NTB, specifically Gili Sulat, which has natural mangrove forests. Therefore, this research aims to identify, explain, describe, and understand the carbon content of trees in mangrove species in Gili Sulat. The station determination method is done by purposive sampling. The sampling technique for carbon content was carried out using a non-destructive method, namely measuring the diameter at breast height and tree height. The results of the study found nine mangrove species in the tree category where the highest potential carbon content was found in the species Bruguiera gymnorrhiza, namely 0.285 ton C/ha and 183.255 ton C/643 ha, and the lowest was found in the species Exoecaria agallocha, namely 0.010 ton C/ha and 6.430 ton C/643 Ha. Meanwhile, the total biomass, carbon content, and carbon dioxide absorption of mangrove species in Gili Sulat were 661.004 tonnes/643ha, 331.145 tonnes C/643 ha, and 1212.698 tonnes CO2/643 ha respectively. The high potential carbon content of mangrove tree species in Gili Sulat proves that the ecological services of Gili Sulat's mangroves have a positive impact on climate change mitigation and global warming.
Phytoplankton as Bioindikator of Water Quality in The Batu Dendeng River West Lombok Afiatul Hafifah; Agil Al Idrus; Lalu Japa
Jurnal Biologi Tropis Vol. 23 No. 3 (2023): July - September
Publisher : Biology Education Study Program, Faculty of Teacher Training and Education, University of Mataram, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jbt.v23i3.5407

Abstract

This exploratory descriptive study with a qualitative approach was aims to analyze the water quality of the Batu Dendeng River in West Lombok through a study of the phytoplankton community structure. Sampling was carried out using purposive sampling method. Water sampling was carried out using plankton net of 20µ mesh sized. Observation and identification of phytoplankton was carried out at the Biology Laboratory of FKIP University of Mataram using a binocular microscope. Phytoplankton data was analyzed based on abundance, species diversity, species uniformity and species dominance indexs. The results showed that the community structure of identified phytoplankton in the Batu Dendeng River consisted of 5 classes and 52 species with abundance value of 714.074 (ind/L). Phytoplankton species diversity, uniformity, and dominance indexs of Batu Dendeng River were 2.591, 0.66, and 0.13 respectively. The water pollution criteria based on the diversity index of phytoplankton species, indicates the water quality of the Batu Dendeng River West Lombok was in the slightly polluted category.
Model Problem Based Learning Berbantuan Booklet Untuk Meningkatkan Hasil Belajar Siswa Pada Mata Pelajaran Biologi Kelas X MA Darul Ihsan Lelong Mazlin Mazlin; Agil Al Idrus; Mohammad Liwa Ilhamdi; A. Wahab Jufri
Jurnal Ilmiah Profesi Pendidikan Vol. 8 No. 3 (2023): Agustus
Publisher : Fakultas Keguruan dan Ilmu Pendidikan, Universitas Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jipp.v8i3.1564

Abstract

The Structure of Mangrove Community in The Waters of Pare Mas Jerowaru East Lombok Nindi Hamida Lutfiani; Agil Al Idrus; Didik Santoso
Jurnal Biologi Tropis Vol. 23 No. 4 (2023): October - December
Publisher : Biology Education Study Program, Faculty of Teacher Training and Education, University of Mataram, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jbt.v23i4.5624

Abstract

Mangrove communities grow well in the tropics and are able to adapt to extreme environments, such as: high temperature, high salinity, extreme tides, high sedimentation, and oxygen-poor growing substrate conditions. Information about mangrove ecology is very important to provide an overview of the current condition of mangroves. The aim of this research is to determine the structure of the mangrove community in Pare Mas Jerowaru, East Lombok. This research used a purposive sampling method and a combination of line and quadrat transects. The research results obtained 3 types of mangroves in Pare Mas waters. The diversity index value is in the low category and the dominance index value is medium to high. The species Rhizophora apiculata had the highest frequency value (0.57 ind/m²) and the lowest was Avicennia marina (0.10 ind/m²). Density at the tree level is in the sparse category, while at the pole, sapling and seedling level it is in the medium to very dense category. The types of mangroves that have the highest cover values in the tree, pole and stake categories are Sonneratia alba and Rhizophora apiculata. The highest INP values in the categories of trees, poles, saplings and seedlings were 272.99% (Sonneratia alba), 173.58% (Sonneratia alba), 215.51% (Rhizophora apiculata) and 200.00% (Rhizophora apiculata).
Isolation and Molecular Characterization of Brotowali (Tinospora crispa) Rhizosphere Bacteria Producing Siderophore from Dry Lands of Lombok Island Sekar Partiwi; Agil Al Idrus; Lalu Zulkifli; Mahrus; Prapti Sedijani
Jurnal Biologi Tropis Vol. 23 No. 2 (2023): Special Issue
Publisher : Biology Education Study Program, Faculty of Teacher Training and Education, University of Mataram, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jbt.v23i2.6138

Abstract

In the context of biopesticide development, siderophore-producing rhizosphere bacteria play an important role as potential biological control agents. Siderophores are complex organic compounds produced by microorganisms to bind and take up iron ions (Fe3+) from the surrounding environment. This compound is very important because iron is a nutrient necessary for life for many microorganisms and plants. The aim of this research was to determine the type and ability of bacteria in the rhizosphere of Brotowali (Tinospora crispa) to produce siderophores. The method used in this research is an exploratory descriptive type. The isolation results obtained from the North Lombok area obtained 5 samples with codes B4A1, B6A1, BT61, BT63 and BT83. The results of the bacterial isolate potency test with Media Kings showed that only isolate BT63 showed clear fluorescence when exposed to ultraviolet light. Meanwhile, the Arnow's Assay test showed that only BT63 colonies experienced a color change to pink. The results of the molecular identification of the potential bacteria, namely BT63, using the BLAST method using the GenBank data base at NCBI, show that it is closely related to the species Bacillus thuringiensis strain FDAARGOS 791. The results above show that the rhizobacteria isolated from Brotowali have the potential to be developed as a natural biopesticide that can be applied in the future.
Co-Authors A. Wahab Jufri Abdul Syukur Abidin, Lalu Abdul Muhyi Adelina Rosidi Afiatul Hafifah Agus Abhi Purwoko Ahmad Raksun Ainun Diniyatushoaliha Alwani Alwani Aulia Vina Rahmani Ayu Diah Kusumadewi Anak Agung Baiq Dini Najia Dzurrahmi Baiq Sri Handayani Didik Santoso Gde Mertha Gito Hadiprayitno Hendra Susana Putra I Gde Mertha I Gde Mertha I Wayan Mertha Ida Zuraidah Isnaini Isnaini Kusmiyati Kusmiyati Lale Yaqutunnafis Lalu Hasan Nasirudin Zohri Lalu Japa Lalu Muhammad Rispan Sugi Saputra Lalu Raftha Patech Lalu Zulkifli Liwa Ilhamdi M. Akhyar Rosyidi M. Liwa Ilhamdi M. Yamin Mahrus Mahrus Mahrus Mazlin Mazlin Mohammad Liwa Ilhamdi Muhamad Syazali Napiah Napiah Nilam Sari Nindi Hamida Lutfiani Nur Lestari Nurul Hidayah Nurul hidayah Nurul Nurwalidah Nurwalidah Nurwalidah Prapti Sedijani Putu Artayasa Resiana Resiana Rizal Umami Sahril Sahril Sakila Wati Sekar Partiwi Sekar Partiwi Siti Barrotul Sakinah Suhaeri Ihwani Ulfah Nurkhaeroni Ulfin Juwita Venny Malinda Yundia Pratiwi Nengsi Yusri Ainun Zulhalifah Zulhalifah