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All Journal Bionatura Jurnal Ilmu Dasar Jurnal Natur Indonesia JBIO: jurnal biosains (the journal of biosciences) Tunas Geografi Jurnal Agrista Proceedings of Annual International Conference Syiah Kuala University - Life Sciences & Engineering Chapter Peronema Forestry Science Journal Jurnal Ilmu-Ilmu Pertanian Indonesia Jurnal Agribisnis Indonesia (Journal of Indonesian Agribusiness) Journal of Degraded and Mining Lands Management Jurnal Geografi Abdimas Talenta : Jurnal Pengabdian Kepada Masyarakat SELAPARANG: Jurnal Pengabdian Masyarakat Berkemajuan Jurnal Serambi Engineering Journal of Sylva Indonesiana Jurnal Agrium Pelita Masyarakat Budapest International Research and Critics Institute-Journal (BIRCI-Journal): Humanities and Social Sciences Multidiciplinary Output Research for Actual and International Issue (Morfai Journal) Golden Ratio of Social Science and Education CONSEN: Indonesian Journal of Community Services and Engagement Innovative: Journal Of Social Science Research Rona Teknik Pertanian Global Forest Journal Journal of Environmental and Development Studies INTERNATIONAL JOURNAL OF FINANCIAL ECONOMICS (IJEFE) Biodiversitas Journal of Biological Diversity

Delvian

Faculty Of Forestry, Universitas Sumatera Utara, Durin Tunggal, Pancur Batu Regency, Deli Serdang, 20353, North Sumatra, Indonesia

Author-ID : 2752183

Religion Agriculture, Biological Sciences & Forestry Arts Humanities Astronomy Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Earth & Planetary Sciences Economics, Econometrics & Finance Education Energy Engineering Environmental Science Health Professions Immunology & microbiology Languange, Linguistic, Communication & Media Law, Crime, Criminology & Criminal Justice Library & Information Science Materials Science & Nanotechnology Mathematics Medicine & Pharmacology Nursing Physics Public Health Social Sciences Other

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PERTUMBUHAN Rhizophora stylosa PADA TAMBAK SILVOFISHERY DI DESA TANJUNG REJO KECAMATAN PERCUT SEI TUAN KABUPATEN DELI SERDANG Delvian; Ridahati Rambe; Edy Batara Mulya Siregar
ABDIMAS TALENTA: Jurnal Pengabdian Kepada Masyarakat Vol. 2 No. 1 (2017): ABDIMAS TALENTA: Jurnal Pengabdian Kepada Masyarakat
Publisher : Talenta Publisher

Ekosistem hutan mangrove mempunyai manfaat ekonomi dan ekologi yang sangat besar namun keberadaannya terancam dengan kegiatan pembangunan tambak yang terus bertambah. Pengembangan tambak dengan sistem silvofishery diharapkan dapat mempertahankan fungsi ekologi hutan mangrove tanpa mengabaikan kepentingan ekonomi bagi masyarakat di wilayah pesisir. Kegiatan ini bertujuan untuk mengetahui pertumbuhan R. stylosa yang ditanam pada lahan tambak milik masyarakat. Lahan tambak digunakan untuk budidaya kepiting dan ikan nila. Variabel amatan berupa pertambahan tinggi dan diameter tanaman R. stylosa pada kedua lahan tambak tersebut. Hasil pengukuran menunjukkan bahwa pertambahan tinggi dan diameter R. stylosa pada lahan tambak kepiting lebih baik dibandingkan dengan lahan tambak ikan nila.

Agroforestry Land Management with the Community of Candi Rejo Village, Biru-Biru District, Deli Serdang, North Sumatra Delvian; Elfiati, Deni; Rambey, Ridahati
ABDIMAS TALENTA: Jurnal Pengabdian Kepada Masyarakat Vol. 4 No. 2 (2019): ABDIMAS TALENTA: Jurnal Pengabdian Kepada Masyarakat
Publisher : Talenta Publisher

Community Service Program in agroforestry land management together with the people of Candi Rejo of Village, Biru- Biru Sub-District, Deli Serdang, North Sumatra, aims to assist the community in managing agroforestry land to improve community skills in managing their agroforestry land. Some of the activities carried out are making compost using cocoa waste and animal husbandry, prunning cocoa plants to reduce pest and disease attacks and planting mindi, avocado, durian species for enrichment of species on agroforestry land. Based on the result of interviews with farmers that the use of compost is more effective in increasing cocoa production.

Cultivation of Tilapia (Oreochromis niloticus) using the silvofishery method in Tanjungrejo, Percut Sei Tuan, North Sumatra Province Elfiati, Deni; Susetya, Ipanna Enggar; Delvian; Rambey, Ridahati; Fadhilah, Amanatul
ABDIMAS TALENTA: Jurnal Pengabdian Kepada Masyarakat Vol. 6 No. 1 (2021): ABDIMAS TALENTA : Jurnal Pengabdian Kepada Masyarakat
Publisher : Talenta Publisher

Silvofishery is a mangrove ecosystem management model that combines fisheries and forestry aspects. This method is also a solution for cultivators to cultivate fish without damaging the mangrove ecosystem. It is hoped that the results of this service activity can be used as a model or input for the community in order to manage ponds with silvofishery technology without having to do open ponds which will slowly damage the environment. This community service activity aimed to provide information and skills to partner groups on the silvofishery method. Other aim was to assist partners in the tilapia rearing process. Based on the description of the problems and objectives of this community service activity, the activities that have been carried out are counseling about silvofishery. The second activity, provision of tilapia seeds and feed for fish rearing activities in silvofishery ponds. The results obtained were increased partners' knowledge and skills regarding silvofishery. The people of Tanjungrejo Village also get tilapia cultivation products that can be traded without cutting down mangrove trees.

Agroforestry-Based Land Management in the Food Estate Area of Ria-Ria Village, Pollung District, Humbang Hasundutan Regency, North Sumatra Rambey, Ridahati; Elfiati, Deni; Delvian
ABDIMAS TALENTA: Jurnal Pengabdian Kepada Masyarakat Vol. 7 No. 2 (2022): ABDIMAS TALENTA: Jurnal Pengabdian Kepada Masyarakat
Publisher : Talenta Publisher

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32734/abdimastalenta.v7i2.7785

Agroforestry is a land use pattern that combines agricultural and forestry crops on the same land with spatial and temporal arrangements. Ria-ria Village, Pollung District, Humbang Hasundutan Regency is one of the villages designated by the government to be one of the Food Estate areas in North Sumatra which is expected to be able to produce quality agricultural products that can be marketed not only locally but also outside the region. The management of this food estate needs an environmentally friendly concept for the sustainability of natural resources and the environment of the village area. Service activities carried out by socializing agroforestry patterns to the Tani Ria Kerja Community Group, planting trees with a hedge plant model around the land. The types of trees planted in this service activity are Avocado (Persea americana) and Suren (Toona sinensis).

Analysis of Organic and Conventional Lowland Rice (Oryza Sativa L) Cultivation Systems in Supporting Environmentally Friendly Agriculture in Beringin District, Deli Serdang Regency Zulfansyah, Ichfan; Rahmawati, Nini; Delvian
Journal of Environmental and Development Studies Vol. 2 No. 01 (2021): Journal of Environmental and Development Studies
Publisher : TALENTA Publisher, Universitas Sumatera Utara

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32734/jeds.v2i1.6195

The application of organic agriculture in lowland rice farming is one of the interesting topics in an effort to reduce environmental pollution caused by the use of chemical fertilizers and pesticides. This study aimed to determine the level of production and analyze the environmental impact of the soil from the application of organic and conventional agriculture in the Banyan District, Deli Serdang Regency. The results showed that 1) There was a significant difference between the production of harvested dry grain (GKP) of organic paddy and the production of harvested dry grain (GKP) of conventional lowland rice. 2) The level of soil fertility in organic and conventional lowland rice farming has low criteria

Feasibility Study: Kapah Clam (Meretrix lyrata) Consumption Based on the Amount of Heavy Metal Lead (Pb) in Pulau Labu, Deli Serdang Regency Sinuraya, Sofyanurrazaq; Mukhlis; Delvian
Journal of Environmental and Development Studies Vol. 4 No. 2 (2023): Journal of Environmental and Development Studies
Publisher : TALENTA Publisher, Universitas Sumatera Utara

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32734/jeds.v4i2.12498

The hazardous heavy metal lead (Pb) can infiltrate the human body through the food chain. This study aimed to determine the maximum allowed amount of lead (Pb) and the lead heavy metal content in the meat of kapah clams (Meretrix lyrata) from Pantai Labu, Deli Serdang Regency, North Sumatra Province. This study used stratified random sampling in three locations: Bagan Beach, Muara Serdang, and Putra Deli. Heavy metal lead (Pb) measurements were conducted using the Parkin Elmer Atomic Absorption Spectrophotometry (AAS) method with an Atomic Absorption Spectrophotometer. Maximum Tolerable Intake (MTI) or Maximum Weekly Intake (MWI) is divided by the amount of heavy metal lead (Pb) in Kapah Clam meat (Meretrix lyrata) to determine the permissible consumption limit. As a result, exceeding the MTI limit can lead to toxicity.

Pengendalian Perubahan Iklim Desa Pasar Rawa Kabupaten Langkat Melalui Program Kampung Iklim Dianingrum, Tengku; Harahap, R. Hamdani; Delvian, Delvian
Innovative: Journal Of Social Science Research Vol. 3 No. 5 (2023): Innovative: Journal of Social Science Research
Publisher : Universitas Pahlawan Tuanku Tambusai

Show Abstract | Download Original | Original Source | Check in Google Scholar

Dampak perubahan iklim seperti perubahan frekuensi curah hujan, pergeseran musim, suhu udara serta pengaruh pasang surut air laut dirasakan oleh masyarakat Desa Pasar Rawa Kecamatan Gebang Kabupaten Langkat, sehingga memacu Kelompok Tani Hutan Pasar Rawa untuk melakukan aksi Bersama masyarakat bersamaan dengan program kerjanya pemulihan lahan mangrove, perlindungan dan konservasi sumber daya alam, padat karya, serta rehabilitasi hutan dan lahan bersama BPDAS Wampu -Sei Ular. Tingkat kerentanan perubahan iklim, Indeks Kapasitas Adaptasi serta Indeks Keterpaparan dan Sensitifitas desa bernilai sedang sehingga direkomendasikan untuk melakukan tindakan antisipasi dalam mendukung pengendalian perubahan iklim. Penelitian ini dimaksudkan untuk mengevaluasi aksi yang telah dilakukan melalui metode deskriptif kualitatif yang didasari oleh data pengamatan dan wawancara dengan beberapa key informant sehingga diperoleh informasi bahwa masyarakat desa Pasar Rawa telah melaksanakan aksi perubahan iklim berupa adaptasi, mitigasi dan kelembagaan dan mendapatkan pengakuan melalui Program Kampung Iklim (Proklim). Hal ini dibuktikan dengan adanya kelompok masyarakat yang memiliki ijin perhutanan sosial, penggiat lingkungan peraih Kalpataru, kemandirian kelompok yang sudah terbangun, kerjasama dengan instansi terkait serta dukungan masyarakat serta kelembagaan yang membawa Desa meraih peringkat Proklim Kategori Utama dengan nilai 84,42. Namun berdasarkan hasil evaluasi aksi yang dilakukan masyarakat beberapa hal masih perlu dibenahi untuk pengembangan program selanjutnya.

Spatial Study of Land Cover Change and Degradation of Environmental Carrying Capacity of Settlements in the Coastal Area of Belawan Bahagia 2004-2025 Sihotang, Krisda Fadila; Aulia, Dwira Nirfalini; Delvian, Delvian; Rahmawaty, Rahmawaty; Siahaan, Nelson Manumpak
Tunas Geografi Vol. 14 No. 1 (2025): JURNAL TUNAS GEOGRAFI
Publisher : Department of Geography Education, Faculty of Social Sciences, Universitas Negeri Medan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24114/tgeo.v14i1.65577

Spatial thinking skills are essential in everyday life. These skills can be improved through geography learning. Various studies on efforts to improve spatial thinking skills through geography education have been conducted in Indonesia; however, none have specifically examined the various models, teaching materials, and learning outcomes. Through a comprehensive review of previous findings, this study was conducted to fill this gap. The results of this study can be helpful for teachers and researchers in further developing geography education. This study employs a qualitative research design, specifically a document study or literature review. Publish or Perish software is used in the process of exploring or conducting literature searches. Through the initial search process, a total of 61 documents were obtained. These documents were then reviewed individually, resulting in a total of 16 documents that met the inclusion criteria. The results of the study showed that the most widely applied geography learning model was Project-Based Learning, followed by Discovery Learning and EarthComm. The teaching materials used are Disaster and Disaster Management, Basics of Mapping, Remote Sensing, and Geographic Information Systems (GIS), Atmosphere, Hydrosphere, Lithosphere Dynamics and Its Impact on Life, and Potential of Indonesian Marine Waters. Through the application of the learning model, various improvements were obtained in several indicators of spatial skills. The Project-Based Learning model is the most successful approach in improving various indicators of spatial thinking skills, including Analogy, Aura, Pattern, Association, Form, and Analysis.

ANALYSIS OF SOCIAL FORESTRY BUSINESS MANAGEMENT IN FOREST MANAGEMENT UNIT (FMU) REGION I STABAT LANGKAT REGENCY Zumar Halim Rambe; Oding Affandi; Delvian Delvian
Multidiciplinary Output Research For Actual and International Issue (MORFAI) Vol. 5 No. 3 (2025): Multidiciplinary Output Research For Actual and International Issue
Publisher : RADJA PUBLIKA

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.54443/morfai.v5i3.2915

Social forestry is a program that provides legal access for communities to manage forests in a sustainable manner to improve economic welfare while maintaining environmental sustainability. Forest Management Unit (FMU) Region I Stabat, Langkat Regency has Social Forestry Group (SFG) that successfully rehabilitated 3436 ha of mangrove forest in 2021 [1], but business development has not been managed optimally [2], [3]. This study aims to analyze the business model of social forestry business development with the Business Model Canvas (BMC) approach and analyze the business development strategies needed in developing social forestry businesses in FMU Region I Stabat[4]. The study was conducted on four SFG: KSU Bahagia Keluarga Bahari, KTH Mekar, KT Peduli Pesisir and LPHD Pasar Rawa. Data were obtained through observations, interviews, and literature studies with an analytical descriptive approach [5]. The results showed that BMC at the blue level Social Forestry Business Group (SFBG) needs to create a value prosposition so that the business has marketable products through improving the elements of key activities, key resources and cooperation with key partners [3]. Improvement at the gold level SFBG requires efforts to increase the customer segment element which is done by increasing the value proposition, customer relationship, and channels elements so that business products can be marketed to national, regional, and international consumers [3], [6]. Business development strategies are carried out with product diversification strategies, strengthening partnerships, and optimizing digital marketing to improve business efficiency and sustainability [7]. Thus, social forestry business in FMU Region I Stabat has good prospects, but requires further support in terms of capital, market access, and human resource capacity development [8].

Pengolahan sampah tepat guna pada kawasan mangrove di desa Bagan Kuala kabupaten Serdang Bedagai Ameilia Zuliyanti Siregar; M. Basyuni; Delvian Delvian; Netti Herlina; Arida Susilowati; Ridwanti Batubara; Nelly Anna; Masitta Tanjung
SELAPARANG: Jurnal Pengabdian Masyarakat Berkemajuan Vol 8, No 3 (2024): September
Publisher : Universitas Muhammadiyah Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31764/jpmb.v8i3.25333

Abstrak Mangrove Sumatera Utara berpotensi dikembangkan sebagai edu wisata. Pengabdian Masyarakat Desa Binaan LPPM USU dilaksanakan di Pantai merdeka, Desa Bagan kuala sejak bulan April sampai dengan September 2024 kepada 30 orang ibu-ibu Pemberdayaan Kesejahteraan Keluarga (PKK), Remaja Peduli Pesisir dan Masyarakat Peduli Sampah Pesisir (MPSP) Serdang Bedagai. Tujuan pengabdian ini adalah untuk mentabulasi dan mengelola sampah dikawasan mangrove dengan program 3R(Reuse, Reduce, Recycle) berpotensi secara ekonomis dalam meningkatkan kesejahteraan masyarakat di Serdang. Kegiatan pengabdian dilakukan dengan memberikan sosialisasi pengolahan sampah tepat guna, pelatihan program 3R dari limbah olahan hasil laut (kulit kerang, kulit kepah, tiram, dan sisik ikan). Selanjutnya dilakukan Fokus Grup Diskusi (FGD) dan Monitoring Evaluasi dalam pengolahan limbah hasil olahan laut. Dari hasil Pengabdian Desa Binaan LPPM USU, kaum perempuan dan masyarakat memiliki pengetahuan dan keterampilan dalam pengelolaan limbah olahan hasil laut sebesar 80% dari kulit kerang, kulit kepah, sisik ikan menjadi gantungan kunci, asbak rokok, frame foto, asbak rokok, mainan depan pintu, magnetik kulkas, dan produk lainnya yang akan meningkatkan perekonomian keluarga dan kesejahteraan masyarakat di Serdang Bedagai. Kata kunci: mangrove; sampah pesisir; kulit kerang; bagan kuala; PUI mangrove AbstractNorth Syumatra North Sumatra mangroves have the potential to be developed as educational tourism. Community Service in Villages Assisted by LPPM USU was carried out at Pantai Merdeka, Bagan Kuala Village from April to September 2024 to 30 peoples of family welfare empowermetn, coastal care youth and coastal waste concern community (CWCC) of Serdang Bedagai. The aim of tabulating and managing waste in mangrove areas with the 3R (Reuse, Reduce, Recycle) program which has economic potential. in improving the welfare of the community in Serdang. Community service activities are carried out by providing socialization on appropriate waste processing, training on the 3R program from processed marine waste (shells, kepah shells, oyster, fish scales), followed by Focus Group Discussions (FGD) and Evaluation Monitoring in the appropriate processing of processed marine waste. From the results of the service community of foster village LPPM USU, especially women and community have knowledge and skillsas much as 80% in managing processed marine waste products from shells, kepah shells, fish scales into key chains, cigarette ashtrays, photo frames, cigarette ashtrays, doorstep toys, refrigerator magnets, and other products that will improve the family economy and community welfare in Serdang Bedagai Keywords: mangrove; coastal waste; seashells; bagan kuala, IFP of mangrove

Co-Authors . Elvitriana . Rosmayati . Zulfan Abda Abda ABDUL RAUF Abdul Rauf ABDUL RAUF ABDUL RAUF ADRIAN HARTANTO Agree Hutami Sinaga AGUS PURWOKO Agustrisno, Agustrisno Alan Syahputra Simamora Alief Aththorick Ameilia Zuliyanti Siregar Ameilia Zuliyanti Siregar Annie N Hutagalung Ariasta Bereona Tarigan Ariasta Bereona Tarigan Arida Susilowati Arida Susilowati Iswanto Arrasyid, Nurfida Khairina Aulia, Dwira Nirfalini Aznawi, Andi Aznan Bejo Slamet Budi Utomo Budi Utomo BUDI UTOMO Ceriati Magdalena Simanjuntak D Elfiati D Elfiati, D Dendi Parasian Pane Deni Elfiati Deni Elfiati Deni Elfiati Deni Elfiati Diana Sofia Hanafiah Dianingrum, Tengku Edy Batara Mulya Siregar Elfiati, D. - Elfiati, Deni Elfiati ENDANG HILMI Erman Munir ESTHER SORTA MAULI NABABAN etti sartina siregar Fadhilah, Amanatul Fahriza Zuhri Fathiatul Rizkia Aulin Febri Yoanita Harahap Febri Yoanita Harahap Fikarwin Zuska Gita Nasrani Sembiring Hamdani Harahap Hamidah Hanum Helmud Putra Anas Hutasoit Heni Pujiastuti Henti Hendalastuti Rachmat Herna Sianipar Hesti Wahyuningsih Ichwana Ichwana Indirawati, Sri Malem Ipanna Enggar Susetya, Ipanna Enggar IRWANDI IRWANDI Isnen Fitri Jamson H Tampubolon Jeskiel Sipayung Jumilawaty, Erni Jumilawaty Juneith O S Nadeak Kansih Sri Hartini Kiking Ritarwan Lusi Astri Simamora M. Basyuni Manurung, Cristo Mori Romario Masitta Tanjung MASRIZAL SARAAN Ma’ruf Tafsin Mohammad Basyuni MOHD HASMADI ISMAIL Mohd Hasmadi Ismail MOHD NAZIP SURATMAN Mona Fhitri Srena Mubaraq, Alfian Mubaraq Muhammad Iko Pratama Mukhlis Nauly, Meutia Nauly Nelly Anna Netti Herlina Nini Rahmawati Nini Rahmawati Nius Abdi Ginting Oding affandi Oding Affandi Pulungan, Afran Rouzani Puput Sarah Purnama Sari Sagala R. HAMDANI HARAHAP R. Hamdani Harahap R. Hamdani Harahap Rahmawaty Rahmawaty RAHMAWATY RAHMAWATY RAHMAWATY RAHMAWATY RAHMAWATY RAHMAWATY Rahmawaty, Rahmawaty Rangkuti, Ahmad Baiquni Rauf Rauf Reza Dimas Putra Ria Pertiwi Sianturi RIDAHATI RAMBEY Ridwanti Batubara Risnasari, Iwan Risnasari ROBERT SIBARANI Ronald Pandapotan Marpaung Sahat A. Sihombing SECA GENDASECA Shanti Desima Simbolon Siahaan, Indri Marita Siahaan, Nelson Manumpak Sidabukke , Simon Sihotang, Krisda Fadila SIMON H. SIDABUKKE Simon Sidabukke Sinuraya, Sofyanurrazaq Sivaipram, Itchika Sivaipram Slamet, Bejo Slamet Solihin Solihin Sumono Sumono Suryanti Saragih Susilowati, Arida Susilowati T Alief Aththorick T. ALIEF ATHTHORICK T. Alief Aththorick Ternala Alexander Barus Ternala Alexander Barus Ternala Alexander Barus Usnawiyah Usnawiyah, Usnawiyah Wahyu Fahreza Wika Astuti Sagala Zulfansyah, Ichfan Zulfredi Zulfredi Zulkifli Nasution Zumar Halim Rambe

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