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Marini Susanti Hamidun
Universitas Negeri Gorontalo
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VEGETATION STRUCTURE, BIOMASS, AND CARBON STOCK OF MANGROVE FOREST IN EASTERN POHUWATO DISTRICT, MARISA SUB-DISTRICT Liberty Lodjo; Dewi Wahyuni K. Baderan; Marini Susanti Hamidun; Sukirman Rahim; Iswan Dunggio
Indonesian Journal of Chemistry and Environment Vol 6, No 2 (2023): DECEMBER 2023
Publisher : Universitas Negeri Yogyakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21831/ijoce.v6i2.68288

Abstract

Background: Mangrove forests are forests that have the potential to mitigate climate change from the effects of global warming, because mangroves can absorb CO2 in the atmosphere. Mangrove areas in the coastal area of East Pohuwato Regency, Marisa District are quite numerous and have the potential to absorb carbon, so that with a large enough carbon absorption can be able to reduce the levels of CO2 contained in the air. Objective: This study aims to identify vegetation structure, biomass, and carbon stocks in the coastal area of East Pohuwato Regency, Marisa District. Results: the study showed that there were 8 types of mangroves, including Soneratia alba, Rhizophora mucronata, Ceriops decandra, Ceriops tagal, Avicennia marina, Rhizophora stylosa, Sonneratia caseolaris, Rhizophora apiculata. The highest IVi value was found in the Ceriops decandra species with an IVi value of 119.21 in the tree category, then for the sapling category which had the highest IVi value found in the Rhizophora apiculata species of 98.6, for the seedling level the IVi value was found in the Rhizophora apiculata species of 80.23%. The total biomass value is 37,027.2 Kg/ha and the carbon contained in the mangrove forest of East Pohuwato Regency, Marisa District is 18,535.7 Kg C/ha with carbon dioxide absorption of 68027.5 Kg CO2/ha. Conclusion: There are 8 types of mangrove species found in the mangrove forests of the Coastal Area of East Pohuwato Regency, Marisa District at.
STRUKTUR KOMUNITAS LALAT BUAH (DIPTERA: TEPHRITIDAE) DAN TINGKAT SERANGAN PADA TANAMAN TOMAT (Solanum lycopersicum): COMMUNITY STRUCTURE OF FRUIT FLIES (DIPTERA: TEPHRITIDAE) AND ATTACK RATE ON TOMATO (Solanum lycopersicum) FIELDS Rahim, Srinurningsi K.; Lamangantjo, Chairunnisah J.; Hamidun, Marini Susanti; Utina, Ramli; Katili, Abubakar Sidik; Hikmawati, Hikmawati
Jurnal HPT (Hama Penyakit Tumbuhan) Vol. 11 No. 4 (2023)
Publisher : Universitas Brawijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21776/ub.jurnalhpt.2023.011.4.5

Abstract

Lalat Buah (Diptera: Tephritidae) menyebabkan kerugian dan penurunan produksi tanaman tomat (Solanum lycopersicum). Penelitian bertujuan untuk menganalisis struktur komunitas lalat buah (Diptera: Tephritidae) dan tingkat serangan pada tanaman tomat (S. lycopersicum). Penelitian dilakukan di Desa Ayula Sejahtera, Kab. Bonebolango dan identifikasi morfologi lalat buah di Laboratorium Entomologi Balai Karantina Pertanian Kelas II Gorontalo pada bulan Desember 2022 sampai dengan Januari 2023. Jenis penelitian adalah deskriptif kuantitatif dengan metode survey menggunakan perangkap steiner trap. Analisis data struktur komunitas lalat buah meliputi Indeks Keanekaragaman (H’), Indeks Kemelimpahan (KR), Indeks Kemerataan (E), Indeks Dominansi (D) dan tingkat serangan pada tanaman tomat. Hasil penelitian menunjukkan bahwa pada tanaman tomat ditemukan 278 individu yang terdiri dari 2 spesies yaitu Bactrocera umbrosa dan Bactrocera dorsalis. Berdasarkan nilai indeks keanekaragaman Shannon-Wienner, ada H’= 0,600 yang dikategorikan sebagai keragaman rendah. B. dorsalis memiliki indeks kelimpahan tertinggi dengan nilai 0,712%. Indeks kemerataan (E) lalat buah memiliki nilai E= 0,866 kategori kemerataan tinggi. Indeks dominansi berada pada D= 0,59 dikategorikan dominansi sedang. Tingkat serangan lalat buah terjadi peningkatan dan penurunan serangan dengan kategori tergolong ringan yaitu (11,04%), (9,31), (4,97%), (7,69%), (6,94).
The Impact of Mining Activities on Ecology Condition and in the Marisa Watershed Pohuwato Regency, Gorontalo Province Feri Novriyal; Herlindah; Nur Meyla Ulfiana Botutihe; Fajran Bentearu; Iswan Dunggio; Fitryane Lihawa; Marini Susanti Hamidun
International Journal of Health, Economics, and Social Sciences (IJHESS) Vol. 6 No. 2: April 2024
Publisher : Universitas Muhammadiyah Palu

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.56338/ijhess.v6i2.5323

Abstract

The Marisa watershed with an area of 248.43 km2 is one of the watersheds in the Paguyaman Watershed. The upstream area of the Marisa Taluduyunu River in Marisa District empties into the coastal waters of the south coast of Pohuwato Regency. Almost all the riverbanks are used by local communities for traditional gold mining. Some of these mining businesses are managed traditionally using mercury, and the waste produced without being managed is directly thrown into the environment. This research aims to analyze the impact of illegal mining on land and the Marisa watershed. The method used to analyze the data is descriptive qualitative based on field observation data and literature studies. Observations from various mining locations show that the removal of the topsoil causes the soil to be unproductive for plant growth around the mining location or site. River pollution is also one of the impacts that can be seen at mining locations. Gold ore processing, especially if the amalgamation process uses mercury, spreads mercury to environmental components, especially water quality and aquatic biota. The water quality that is most affected by mining and gold ore processing activities includes increased concentrations of suspended solids and mercury concentrations. The impact of traditional gold mining activities greatly affects the water quality components, namely, total suspended solids and dissolved mercury concentration. The concentration of total suspended solids poses a risk of harm to aquatic organisms. Concentrations of dissolved mercury metal have the potential to reduce the quality of fishery products.
PENGEMBANGAN E-MODUL BERBASIS PROBLEM BASED LEARNING (PBL) BERBANTUAN APLIKASI CANVA PADA MATERI PERUBAHAN LINGKUNGAN KELAS X DI SMA NEGERI 1 TELAGA BIRU Alisa H. Kadir, Nur; Mardin, Herinda; M. Hasan, Ani; Wahyuni K. Baderan, Dewi; Nusantari, Elya; S. Hamidun, Marini; H. Husain, Ilyas
Jurnal Biogenerasi Vol. 10 No. 1 (2024): Volume 10 Nomor 1, Agustus 2024 - Februari 2025
Publisher : Universitas Cokroaminoto Palopo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30605/biogenerasi.v10i1.4533

Abstract

This research aimed to discover and describe E-Modules development based on Problem-Based Learning (PBL) assisted by the Canva application to improve student learning outcomes in Class X of SMA (Senior High School). This research used the Research & Development (R&D) method with a model ADDIE, which was carried out in a limited trial on 20 students in class X-5 in SMA Negeri 1 Telaga Biru. The study's findings indicated that (1) the media validation test obtained a score of 76% (Valid), and the material validation test's score was 87% (Very Valid). (2) The Practicality Test consisted of a teacher response test that obtained a score of 87% (Very Practical), and student responses obtained a score of 93% (Very Practical). (3) Students' learning outcomes through a Pretest- Posttest evaluation, based on the N-Gain scale, obtained a score of 0.60 (Moderate) or 60% (Fairly Effective).
KOMPOSISI DAN STRUKTUR VEGETASI PAKAN JULANG SULAWESI (Rhyticeros cassidix) DI DAERAH ALIRAN SUNGAI (DAS) MARISA KABUPATEN POHUWATO Sidik Katili , Abubakar; Podungge, Sandra; J. Lamangantjo, Chairunnisah; Ahmad, Jusna; Susanti Hamidun, Marini; Zakaria, Zuliyanto
Jurnal Biogenerasi Vol. 10 No. 1 (2024): Volume 10 Nomor 1, Agustus 2024 - Februari 2025
Publisher : Universitas Cokroaminoto Palopo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30605/biogenerasi.v10i1.4578

Abstract

The Sulawesi hornbill (Rhyticeros cassidix) is a Sulawesi endemic that is under threat of extinction. The Sulawesi Hornbill (Rhyticeros cassidix) inhabits the area of Popayato-Paguat, particularly the Marisa River Basin near Karangetang Village. The goal of this study is to establish the composition and structure of the vegetation around the Sulawesi Hornbill nesting habitat, particularly in the Marisa River Basin. The method employed was field observation, namely Vegetation Analysis. Direct observation was used to obtain data, with three stations established. The square survey collected data for tree level in a 20 × 20 m plot, pole level in a 10 x 10 m plot, stake level in a 5 x 5 m plot, and seedling level in a 2 x 2 m plot. The research findings revealed the composition of vegetation for the Sulawesi Hornbill's food in the Marisa Watershed Forest of Karangetang Village, which consists of 8 species of vegetation for the Sulawesi Hornbill, namely Aglaia argentea (Matowa), Livistona rotundifolia (Woka/Fan Palm), Madhuca pilphinenis (Flowering Wood/Camphor), Palaquium javense (Palapi), Ficus nervosa (Banyan), Dracontomelon dao (Dao), Pterospermum celebicum. The vegetation structure of the Sulawesi hornbill’s food in the Marisa River Basin Forest area of Karangetang Village shows the highest Important Value Index (IVI) for trees is Ficus nervosa (87.83%), for poles is Madhuca pilphinenis (85.45%), for stakes is Aglaia
ADAPTASI MASYARAKAT TERDAMPAK BANJIR DI DAERAH ALIRAN SUNGAI LIMBOTO Happy, Muh Rifaldy; Utina, Ramli; Hamidun, Marini Susanti
JAMBURA GEO EDUCATION JOURNAL Vol 3, No 2 (2022): Jambura Geo Education Journal (JGEJ)
Publisher : Universitas Negeri Gorontalo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.34312/jgej.v3i2.14918

Abstract

The purpose of this study is to analyze the adaptation of flood-affected residents in the Limboto watershed. The research method is a qualitative method that examines phenomena comprehensively with a case study approach. Interactive data analysis using three stages including; data reduction, data presentation, and conclusion drawing. The results showed that during the 2018-2022 period, there were 139 flood events in the Limboto watershed, spread over 50 sub-districts/villages in 10 sub-districts. The impacts of flooding in the Limboto watershed also vary, ranging from material, economic, health, housing losses, to the death toll. This impact has prompted changes in adaptive behavior in affected communities in the Limboto watershed, such as the creation of an early warning system, an evacuation stage, the construction of temporary embankments, new livelihoods, and providing equipment to deal with floods
Development of POE (Predict-Observe-Explain) Oriented Learning Device to Improve Students' Problem-Solving Ability on Environmental Change Material Windari, Windari; Latjompoh, Masra; Hamidun, Marini Susanti
JURNAL PEMBELAJARAN DAN BIOLOGI NUKLEUS Vol 8, No 3: Jurnal Pembelajaran Dan Biologi Nukleus November 2022
Publisher : Fakultas Keguruan dan Ilmu Pendidikan Universitas Labuhanbatu

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36987/jpbn.v8i3.3150

Abstract

This study aims to describe the validity, practicality, and effectiveness of POE (Predict-Observe-Explain) oriented learning devices in the form of Lesson Plans (RPP), Student Worksheets (LKPD), Pre-Test & Post-Test Questions. This research uses (R&D), which consists of material analysis, literature study, design of learning devices, validation of learning devices, revision of learning devices, limited scale trials, and producing learning devices that meet the criteria of validity, practicality, and effectiveness. This study involved 15 students at SMAN 1 Gorontalo. The results show that the POE-oriented learning devices (Lesson Plan, Student Worksheet, Questions) obtained the percentage of validation results from 2 expert validators, namely 91.6% Lesson Plan, 93.3% Student Worksheet, and 91.6% Questions & from the practitioner validators obtained a percentage of 97.2% Lesson Plan, 96.6% Student Worksheet and 100% Questions with very valid criteria. The practicality of learning devices from the results of the implementation of learning is 98.16% in the very good category, the student activity is 89.2%, and the student response questionnaire reaches 87.29% in the very good category. The effectiveness of POE learning devices from the results of pre-test & post-test data analysis conducted during learning using the N-Gain test with an average score of 0,85 is in high criteria. Based on the result, it can be concluded that the development of POE-oriented learning devices on environmental change material is appropriate for classroom learning
ASSOCIATION OF SKINKS WITH CRABS IN THE MANGROVE ECOSYSTEM OF TABONGO VILLAGE, DULUPI SUB-DISTRICT, BOALEMO DISTRICT Mustapa, Vinarti; K. Baderan, Dewi Wahyuni; Hamidun, Marini Susanti; Katili, Abubakar Sidik; Lamangantjo, Chairunnisah J; Aydalina, Regina Valentine
Indonesian Journal of Chemistry and Environment Vol 7, No 1 (2024): JUNE 2024
Publisher : Universitas Negeri Yogyakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21831/ijoce.v7i1.70423

Abstract

Mangroves are plants that grow along the coast and have supporting roots. Mangrove ecosystems in addition to protecting the coast from waves and wind are also suitable areas for marine fauna life. One of the fauna found in mangrove ecosystems is the spadefish. Skinks often shelter near the bodies of crabs in order to make it easier for the fish to find food and stay protected from predators. The attachment relationship between these two species growing in the same environment is called association. This study aims to determine the association of silverfish with crabs in the mangrove ecosystem of Tabongo Village, Dulupi District, Boalemo Regency. The study showed that there were 2 species of silverfish and 3 species of crabs, namely Periopthalmus argentilineatus, Periopthalmus malaccensis, Scylla paramamosain, Uca perplexa, and Uca sp. There are 2 types of associations, namely positive associations and negative associations. Positive association with the highest value was found in the pair Periopthalmus argentilineatus with Uca perplexa with a value of 0.37. While the negative association with the lowest value is found in the pair Peripthalmus malaccensis with Uca.
The Potential of Carbon Sequestration in the Sanctuary Maleo Hungayono Resort TulaboloPinogu Nani Wartabone Bogani National Park Area Hamid, Ririn Septiani; K Baderan, Dewi Wahyuni; Hamidun, Marini Susanti; Katili, Abubakar Sidik
Indonesian Journal of Chemistry and Environment Vol 7, No 1 (2024): JUNE 2024
Publisher : Universitas Negeri Yogyakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21831/ijoce.v7i1.72451

Abstract

A forest is a unified ecosystem in the form of an expanse of land containing biological natural resources. It is dominated by trees in one natural environment and another so that they cannot be separated. Forests play an important role in maintaining the balance of carbon dioxide in the atmosphere. Their plants can absorb carbon dioxide from the air during the photosynthesis process so they play an important role in maintaining climate balance. The Maleo Hungayono Sanctuary is a place for endemic animals including forests in the Bogani Nani Wartabone National Park area which cannot produce wood, so what will be the strength of the economic value of the TNBNW area is environmental services, including carbon. This research aims to determine the potential for carbon uptake in the Maleo Hungayono Sanctuary, Bogani Nani Wartabone National Park Area. The research results show that the highest biomass value at the research location is at the tree level with a total carbon uptake of 16,588.26 tons/ha; at pole level with total carbon uptake of 722.65 tonnes/ha; at the sapling level with a total carbon uptake of 63.91 tonnes/ha.
KOLABORASI PEMERINTAH DAN MASYARAKAT DALAM PENGELOLAAN SAMPAH BERBASIS KEBIJAKAN LINGKUNGAN DI DANAU PERINTIS KECAMATAN SUWAWA KABUPATEN BONE BOLANGO Rahmawati A. Damiti; Sukma Dewanty Jahja; Marini Susanti Hamidun; Iswan Dunggio
Journal of Scientech Research and Development Vol 6 No 2 (2024): JSRD, December 2024
Publisher : Ikatan Dosen Menulis

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.56670/jsrd.v6i2.617

Abstract

Danau Perintis, terletak di Kecamatan Suwawa, Kabupaten Bone Bolango, berfungsi sebagai area multifungsi untuk pengendalian banjir, penyimpanan air, dan pengembangan pariwisata. Namun, wilayah ini menghadapi tantangan lingkungan yang signifikan, termasuk penumpukan sampah dan pertumbuhan eceng gondok yang tak terkendali. Penelitian ini bertujuan untuk mengevaluasi kebijakan lingkungan dan strategi pengelolaan sampah yang diterapkan oleh otoritas lokal dan masyarakat untuk mengurangi polusi dan meningkatkan keberlanjutan. Dengan menggunakan pendekatan kualitatif melalui observasi langsung, wawancara, dan dokumentasi, ditemukan tidak adanya pemilahan sampah, kurangnya partisipasi masyarakat, dan kurangnya koordinasi pemerintah. Rekomendasi yang diberikan mencakup penerapan prinsip 3R (Reduce, Reuse, Recycle), koordinasi antar pemangku kepentingan.
Co-Authors -, Ahmad Faqih 5Ilyas H. Husain Abdul Haris PanaI Abubakar Sidik Katili Abubakar Sidik Katili Agre Vina Ahmad Zainuri Ahmad, Nur Rahmin Ain Yusuf, Nur Ali, Fathur Rahman M. Alisa H. Kadir, Nur Ani M. Hasan Aryati Abdul Bahuwa, Isra Cahayani Bambang Mamangkay Chairunnisah J Lamangantjo Daud Yusuf Desriyanti Tane Dewi Wahyuni K. Baderan Eka Reza Saputra Widodo Elya Nusantari Fajran Bentearu Farid S M Farid SM Farid SM Faridawaty, Waode Fathur Rahman M. Ali Febriyanti febriyanti febriyanti Feri Novriyal Fitriyanti H. Koni Fitryane Lihawa Frandika K. Toiyo Frandika K. Toiyo Frida Maryati Yusuf Fuad Pontoiyo H. Husain, Ilyas Hamid, Ririn Septiani Happy, Muh Rifaldy Hartono Mamu Hartono Mamu Hasim Hasim Herinda Mardin Herlindah Heru Z Thalib Hikmawati Hikmawati Husain, Ilyas H Husain, Ilyas H. Ilyas Husain Irawan, Mohammad Bayu Irwan Bempah Ismail Bagu Iswan Dunggio Juliyanti Djafar Jusna Ahmad Kadir, Zein Setiawan Kadir, Zen Setiawan Kadir, ​Zen Setiawan Kirsten Caroline Donsi Koni, Fitriyanti H. La Nane Liberty Lodjo Lilan Dama M. Hasan, Ani Manese, Muzdalifah Alya Amalia Mano, Debby Hariyanti J. Margaretha Solang Masra Latjompoh Mawardi Heru Prasetyo Megawati Malle Mentari Mentari, Mentari Misnawaty Wantogia Misnawaty Wantogia Mohamad Haikal K. Djafar Mohamad Zainudin Usman Mohamad, Nurdin Mohammad Bayu Irawan Mosi, Yetty Muh. Nur Akbar MUHAMMAD YUSUF Mursali, Intan Zulfatadila Mustamin Ibrahim Mustapa, Vinarti Novi Purwanti Novri Youla Kandowangko Nur Aznia Nur Meyla Ulfiana Botutihe Nur’Ain Lahaya Nurdin Mohamad Nurfadila Potutu Nurlena Duhe Nurma Rosalia Nurul Fajryani Usman Oktaviani Rajalawo Pakaya, Parid Panai, Haris Panyilie, Nadia Fajri Parid Pakaya Podungge, Sandra Priwanti Junita Ekwanto Putri Liani Aliwu Rahim, Srinurningsi K. Rahmat Biki Rahmawati A. Damiti Rakhmat Jaya Lahay Ramli Utina Regina Valentine Aydalina Rizaldi Mokodompit Rosalia, Nurma Saleh Nurain Salihi, Irvan Abraham Septiani, Ririn Sidik Katili , Abubakar Sidik Katili, Abubakar Sintia Kadu Sintia N. Hasani SM, Farid Sri Yustika Candri Pakaya Sudarmanto Hasan Sukirman Rahim Sukma Dewanty Jahja Suryadi Syamsuddin Syam S. Kumaji Toiyo, Frandika K. Ulyana Dinda Aritonang Usman, Mutmainnah Wantogia, Misnawaty Waode Faridawaty Waode Faridawaty Warow, Novalia Windari, Windari Yusfriandi Dwi Ariesna Zuliyanto Zakaria