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Abdul Razak
Universitas Negeri Padang
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PERBEDAAN JUMLAH DAN KARYOTIPE KROMOSOM IKAN AIR TAWAR : Berdasarkan studi yang ada di Indonesia Khairunisa Khairunisa; Abdul Razak; Rijal Satria
Binomial Vol 6 No 1 (2023): Jurnal Binomial
Publisher : Pendidikan Biologi FKIP Universitas Muslim Maros

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.46918/bn.v6i1.1625

Abstract

Pengamatan kromosom merupakan salah satu langkah yang dapat dilakukan agar mendapatkan infromasi dasar mengenai genetik. Informasi mengenai kromosom sangat membantu untuk melihat hubungan kekerabatan, pengungkapan variasi, dan upaya untuk melestarikan suatu spesies. Penelitian pada kromosom ikan air tawar telah banyak dilakukan di Indonesia. Namun penelitian terdahulu yang dilakukan hanya terfokus pada jenis ikan tertentu saja tanpa memperlihatkan perbandingan jumlah dan karyotipe dari masing-masing kromosom ikan air tawar tersebut. Metode yang digunakan adalah studi literatur dari berbagai penelitian terkait kromosom ikan air tawar yang ada di Indonesia. Tujuan dari penelitian ini adalah untuk melihat perbedaan jumlah dan karyotipe masing-masing kromosom pada ikan air tawar. Dari hasil analisa diperoleh jumlah kromosom ikan yang bervariasi mulai dari 36 – 98 kromosom. Selain memiliki jumlah kromosom yang berbeda, juga terdapat perbedaan bentuk ataupun karyotipe kromosom dari masing-masing ikan air tawar. Data hasil penelitian dapat digunakan sebagai bahan referensi untuk melihat perbandingan dari jumlah dan karyotipe dari masing-masing kromosom ikan.
SPESIES DAN KARAKTERISTIK TUMBUHAN EKOSISTEM MANGROVE BERDASARKAN HASIL SURVEI DI KAWASAN TELUK BUNGUS - PADANG Aprizon Putra; Arman A; Rahmadani Yusran; Mira Hasti Hasmira; Eni Kamal; Abdul Razak
Jurnal Kependudukan dan Pembangunan Lingkungan Vol 2 No 1 (2021): Jurnal Kependudukan dan Pembangunan Lingkungan (JKPL)
Publisher : Universitas Negeri Padang

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Abstract

Ekosistem mangrove memiliki tipe dan jenis tumbuhan yang berbeda sesuai dengan kondisi zonasi yang berhubungan dengan faktor fisika-kimia lingkungan, di antara faktor yang menyebabkan perbedaan vegetasi tersebut adalah jenis tanah dan pasang surut air laut. Survei yang dilakukan dalam penelitian ini bertujuan untuk mengetahui spesies, dan keanekaragaman tumbuhan ekosistem mangrove. Penelitian ini dilakukan pada zona lindung kawasan pesisir Teluk Bungus yaitu lokasi 1 (Labuhan Tarok), 2 (Cindakir), 3 (Teluk Kabung Labuhan Cino), 4 (Teluk Kaluang), dan 5 (Teluk Pandan) yang merupakan ekosistem tumbuhan mangrove sebagai sub-sistem dari ekosistem pesisir. Penelitian ini dilakukan dengan metode transek dengan garis berpetak. Data yang dikumpulkan dianalisis untuk mengetahui spesies, dan keanekaragaman spesies tumbuhan ekosistem mangrove. Hasil penelitian menunjukkan pada bagian Selatan kawasan Teluk Bungus dengan tipe pantai berteluk (perairan tenang) ditemukan 3 tipe famili tumbuhan ekosistem mangrove yaitu 1) Rhizophoraceae dengan spesies Rhizophora mucronata sp., Ceriops tagal sp., Ceriops decandra sp., dan Bruguiera hainessi sp.; 2) Rubiaceae dengan spesies Scyphiphora hydrophillacea sp.; dan 3) Sonneratiaceae dengan spesies Sonneratia alba sp. Sedangkan untuk di bagian Tengah kawaan Teluk Bungus dengan tipe pantai estuari seperti di Cindakir (muara batang Cindakir), dan Labuhan Tarok (muara batang Timbalun) ditemukan 9 tipe famili tumbuhan tumbuhan ekosistem mangrove yaitu 1) Rhizophoraceae dengan spesies Rhizophora mucronata sp.; 2) Primulaceae dengan spesies Aegiceras cornicullatum sp.sp., dan Aegiceras floridum sp.; 3) Sonneratiaceae dengan spesies Sonneratia alba sp.; 4) Meliaceae dengan spesies Xylocarpus granatum sp.; 5) Arecaceae dengan spesies Nypa fruticans sp.; 6) Acanthaceae dengan spesies Acanthus ilicifolius sp.; 7) Malvaceae (mangrove ikutan) dengan spesies Thespesia populnea sp., Hibiscus tiliaceus sp.; 8) Pandanaceae (mangrove ikutan) dengan spesies Pandanus odoratissima sp.; dan 9) Combretaceae (mangrove ikutan) dengan spesies Terminalia catappa sp.
KARAKTERISTIK SPESIES FAUNA EKOSISTEM MANGROVE DENGAN METODE SURVEI DI KAWASAN TELUK BUNGUS – PADANG Dwi Marsiska Driptufany; Fajrin Fajrin; Henny Yulius; Muhammad Hidayat; Eni Kamal; Aprizon Putra; Abdul Razak
Jurnal Kependudukan dan Pembangunan Lingkungan Vol 2 No 1 (2021): Jurnal Kependudukan dan Pembangunan Lingkungan (JKPL)
Publisher : Universitas Negeri Padang

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Abstract

Mangrove ecosystems provide a variety of ecosystem services, including coastal protection, carbon sequestration, and opportunities for biodiversity. The mangrove ecosystem, which is an intermediate area between sea and land, has a sharp environmental characteristic gradient. The tides of seawater can cause large fluctuations in several environmental factors, especially temperature and salinity so that the animals that survive and thrive in the mangrove ecosystem are animals that have a great tolerance to extreme changes in environmental factors. This study aims to determine and identify the diversity of fauna species in the mangrove ecosystem. The survey location in this study is in the mangrove area of ​​Bungus Bay which is spread over 4 observation points, namely location 1 (Cindakir), location 2 (Kaluang Cove), location 3 (Kabung Labuhan Cino Cove), and location 4 (Pandan Cove) which is mangrove ecosystem as a sub-system of the coastal ecosystem. Based on the results of the field survey, there were no endemic species found in the protected zone on the coast of Bungus Bay. The fauna found in the mangrove ecosystem in the Bungus Bay area is divided into 2 (two) fauna characteristics, namely vertebrates consisting of 5 (five) species, namely aves (birds), reptiles, amphibians, mammals and primates and fish vertebrates. While invertebrates consist of Crustaceans or crabs, carideas or shrimp, molluscs, echinoderms, and polychaeta or worms. The results of the field survey showed that the types of species based on the family characteristics of the fauna found in the mangrove ecosystem at observation location 1 (Cindakir) were less than the number of species found at observation locations 2, 3 and 4 (Kaluang Cove, Kabung Labuhan Cino Cove, and Pandan Cove).
Analysis of Antenatal Care Service Coverage at Public Health Centers in Agam Regency Bismihayati Bismihayati; Abdul Razak; Eri Barlian; Nurhasan Syah; Syafrijon Syafrijon
Science and Environmental Journal for Postgraduate Vol 4 No 1 (2021): Science and Environmental Journals for Postgraduate (SENJOp)
Publisher : Pascasarjana, Universitas Negeri Padang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24036/senjop.v4i1.151

Abstract

Reducing maternal mortality is one of Indonesia's main targets for improving health. By offering antenatal care services for pregnant women at least four times with the standard 10T during pregnancy, efforts are made to reduce maternal mortality. This kind of research uses a phenomenological approach and is qualitative in nature. The purpose of this study is to obtain, obtain a description, analysis, interpretation of the coverage of antenatal care services. Data were obtained from in-depth interviews with 20 informants consisting of the head of the Puskesmas, Coordinator Midwife, Village Midwife, Cadre and pregnant women. The study findings indicate that although antenatal care services at the Agam District Health Center are covered, the policy reference to Minimum Service Standards has not been met in terms of facilities, labor, or funding. The author suggests expanding the access of pregnant women to health workers through the "Ojol for Pregnant Women" activity, because it is concluded that the coverage of antenatal care services at the Agam District Health Center has not reached the Minimum Service Standards and is expected to improve services, especially visits to pregnant women, health education, and improvement of health services. community participation. This activity is in the form of transportation prepared by the community, either two-wheeled or four-wheeled vehicles that are ready to pick up pregnant women to health facilities
Composition and Ecology of the Macro-Zoobentos Community Feeding Group and the Relationship with the Water Quality of Lake Maninjau, West Sumatera Adnan Yelka; Athosra Athosra; Petrizal Petrizal; Eni Kamal; Abdul Razak; Isril Berd
Science and Environmental Journal for Postgraduate Vol 2 No 1 (2019): Science and Environmental Journals for Postgraduate (SENJOp)
Publisher : Pascasarjana, Universitas Negeri Padang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24036/senjop.v2i1.189

Abstract

Information on the ecological status of inland waters is important to know in the framework of management and conservation purposes, including the biota elements of the Macro-zoobenthos community. This study aims to determine the composition and ecology of feeding acro zoobenthos and its relation to the water quality of Lake Maninjau. Lake Maninjau is one of the priority lakes that has an important role both economically and ecologically. Data were collected from journal literacy. There are 34 types of acro zoobenthos with a low diversity index (H= 0.34-0.82). The distribution of each Taxa was less to nearly even (E= 0.30-0.93). The Macro-zoobenthos found belonged to Molluscs, Oligochaeta, EuHirudinea, Insect Larvae, and Crustaceans. Molluscs were the most abundant, spread over 70% of locations and dominated by Corbicula species. The highest abundance is in the Sigiran location. A total of 26 Taxa were characterized by temperature, TDS, and conductivity variables, while the other 8 were characterized by DO and ORP based on CCA results. The feeding Collector ecology group (especially the filter collector) dominates. This indicates that the waters of Lake Maninjau are rich in fine particulate organic matter (FPOM).
PENGEMBANGAN VIDEO PEMBELAJARANUNTUK PESERTA DIDIK KELAS X IPA MAN 1 PASAMAN BARAT Abdul Razak; Wirda Taufik; Dwi Hilda Putri; Irdawati Irdawati
Jurnal Penelitian Pendidikan IPA Vol 9 No 5 (2023): May
Publisher : Postgraduate, University of Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jppipa.v9i5.3124

Abstract

This study aims to produce learning videos for Bacteria and Protists using Sparkol Videoscribe software for class X IPA students that are valid, practical, and effective. This research method is research and development (research and development) using the Plomp development model. This development stage consists of three stages, namely the preliminary research phase, the development or prototyping phase, and the assessment phase. The results of this study indicate that the developed learning videos have a validity value of 85.63% with a very valid category based on expert judgment. The practicality assessment by the teacher was 89.13% in the very practical category and the large group evaluation assessment by students obtained a practicality value of 87.69% in the very practical category. The results of the effectiveness test showed that the class that used learning videos had higher average competency values of knowledge, attitudes, and skills, compared to classes that did not use learning videos. It can be concluded that the learning videos that have been developed are in the category of very valid, very practical, and very effective for increasing students' learning competence
Identification of Hazardous and Toxic Waste Characterization in the Mining Activities of PT Semen Padang Armando Yosephin Butar Butar; Ahmad Ikhsan; Abdul Razak; Linda Handayuni; Elsa Yuniarti
Science and Environmental Journal for Postgraduate Vol 5 No 2 (2023): Science and Environmental Journals for Postgraduate (SENJOp)
Publisher : Pascasarjana, Universitas Negeri Padang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24036/senjop.v5i2.161

Abstract

Mining business activities in addition to producing mineral and coal production, also produce solid and liquid hazardous and toxic waste materials that have the potential to pollute the environment and can reduce the quality of human health and other living things mining. PT Semen Padang as the holder of a Production Operation Mining Business Permit (IUP OP), in addition to producing mining commodities in the form of limestone, silica, and clay, also has the potential to produce hazardous and toxic waste materials from mining activities, especially from the results of activities in mining workshops, both solid waste and liquid waste. For this reason, it is necessary to properly manage hazardous and toxic waste materials. PT Semen Padang has now carried out hazardous and toxic waste disposal by temporarily storing the hazardous and toxic waste it produces which is stored in a temporary storage area for hazardous and toxic waste materials.
Watershed Management Through Sustainable Development Concept: Literature Review Bismihayati Bismihayati; Rahmi Putri Wirman; Lismomon Nata; Eni Kamal; Isril Berd; Abdul Razak
Science and Environmental Journal for Postgraduate Vol 5 No 2 (2023): Science and Environmental Journals for Postgraduate (SENJOp)
Publisher : Pascasarjana, Universitas Negeri Padang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24036/senjop.v5i2.186

Abstract

Watersheds are a method of managing river water resources with the aim of preserving the viability of aquatic resources in the long term. One of the elements needed for management is how the current state of aquatic resources. Reduced flood swamp areas, sedimentation, decreased water discharge and water levels, and difficulties for some fish species to migrate are all effects of environmental modifications such as damming rivers for irrigation and hydroelectric power and changing the mass of water. In the middle and lower reaches of the river, the addition of anthropogenic materials from various industrial activities can have an impact on aquatic life, fish, and fishermen's catches. To ensure the future existence and survival of fish resources in river waters, it is necessary to manage resources, especially watersheds covering aquatic habitats with various species, as well as multi-species habitats. Watershed management considerations must include a variety of factors, including area/ecology, sector, scientific field, and stakeholders.
Ecological, Social, Economic Sustainability Policies and Fish Cultivation in Reservoir Waters Fatmawati Fatmawati; Mona Gusfira; Dedi Agustanto; Eni Kamal; Isril Berd; Abdul Razak
Science and Environmental Journal for Postgraduate Vol 5 No 2 (2023): Science and Environmental Journals for Postgraduate (SENJOp)
Publisher : Pascasarjana, Universitas Negeri Padang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24036/senjop.v5i2.187

Abstract

Dams have a very large ability to develop fish culture, then from that the development of fish culture grows rapidly. This rapid progress greatly resulted in a reduction in water quality, good for the life and progress of fish and their food-living creatures. This dam is also used for capturing fisheries, floating net cage aquaculture (KJA), transportation, and tourism. This research is literary research from several posts that study articles on the status of the sustainability of dams and the sustainability of KJA aquaculture in multidimensional sustainability (environmental, economic, and social sciences). Based on the results of policy research on the sustainability of environmental, social, and economic science and fish farming in dam waters, the sustainability of dams as well as the sustainability of KJA cultivation are very supportive of one another. Prolonged management of the dam will help the sustainability of KJA cultivation.
Review of Microplastic Pollution in Indonesian Waters Frinsis Warmansyah; Serly Mutia Sari; Siska Wardeni; Eni Kamal; Isril Berd; Abdul Razak
Science and Environmental Journal for Postgraduate Vol 5 No 2 (2023): Science and Environmental Journals for Postgraduate (SENJOp)
Publisher : Pascasarjana, Universitas Negeri Padang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24036/senjop.v5i2.197

Abstract

Mismanaged plastic wastes still become main environmental problem in many countries. It also believed as the root of many environmental problem today faced by both advanced and develop countries, like Indonesia. Microplastics polluted the aquatic environment of Indonesia today mainly come from mismanaged plastic wastes (secondary), but both of the primary and secondary microplastics exist in Indonesian water. This paper reviews microplastic pollution in Indonesian water focused on two main topics, namely the characteristics of microplastics in Indonesian waters and their sources and effects of the presence of microplastics on aquatic organisms. This article was compiled using secondary data consisting of various data and papers, materials obtained from various sources of relevant and reliable official publications that are closely related to the microplastic pollution in Indonesian waters. These findings were then analyzed in an explanatory descriptive manner to provide an overview of characteristics and the sources of microplastics in Indonesian waters and how microplastics affect aquatic ecosystems. It is hoped that this will provide an opportunity to address this issue more effectively.
Co-Authors A. Asrizal Adisti Vadila Adnal Yeka Adnan Yelka Ahmad Ikhsan Ahmad Subari Aisyah Amini Akbarullah Akbarullah Alya Fariani Apriani Sijabat Aprizon Putra Arif Setiawan Arman A Armando Yosephin Butar Butar Artika Zalni Athosra Athosra Atifah, Yusni Aulia Sofianora Auliani Arafah Auliani Arafah Azwir Anhar Bismihayati Bismihayati Boby Rahman Dedi Agustanto Deni Sarianto Des M Des M Dewi Fortuna Khairil Dian Intan Rahmadhani Dinda Tri Pangesti Dona Setiawan Dwi Elvia Ningsih Dwi Hilda Putri Dwi Marsiska Driptufany Edwin Edwin Elfandra Fan Fadhli Rabbi Elmayana Fradila Elsa Yuniarti Eni Kamal Eni Kamal Eri Barlian Eria Marina Sepriyani Eria Marina Septiyani F. Festiyed Fadel Ikrar Jamika Fadila Fadila Fajrin Fajrin Fatmawati Fatmawati Festiyed Festiyed Festiyed Fevria, Resti Fira Verina Fitra Arya Dwi Nugraha Fitri Arsih Fitri Nurhidayati Fitrya Monica Frinsis Warmansyah Handayuni, Linda Hasmi Raharini Hazqan Hari Asri Heffi Alberida heldi heldi Henny Yulius Herdi Herdi Indang Dewata Indang Dewata Irdawati Irdawati Isril Berd Isril Berd Iswandi U Jelibseda Jelibseda Jelibseda Khairunisa Khairunisa Kurnia Wulansari Linda Winiasri Lindawati Lindawati Lismomon Nata Lufri Lufri Lufri Marten, Threo Wanda Mhd. Fauzi Mhd. Ridha Mia Ramayani Mira Hasti Hasmira Mona Gusfira Monhartini Monhartini Moralita Chatri Muhamad Sholichin Muhammad Hidayat Muhyiatul Fadilah Mulya Gusman Mutia Pramadani Mutia Sari Mutiaraziom Susanti Neliyarti Neliyarti Novi Indah Lestari Nur Aisyah Putri Nur Efendi Nurhasan Syah Okriyeni Sudiar Onasis, Aidil Palma Juanta Pariyasi Pariyasi Petrizal Petrizal Purnama Wirawan Putri, Santi Diana Rahmi Hidayanti Rahmi Putri Wirman Ramadan Sumarmin Ramadhan Sumarmin Ramadhan Sumarmin Ramadhan Sumarmin Ramadhan Sumarmin Ramadhan Sumarmin Rani Dwi Suci Hd Putri Rani Dwi Suci Hd Putri Relsas Yogica, Relsas Reza Sapitri Rhavy Ferdyan Rijal Satria Rismiati Rudy Anarta Rusli HAR Saiful Jamal Selaras, Ganda Hijrah Septian Budiman Serly Mutia Sari Silvy Annisa Siska Wardeni Skunda Dilarosta Skunda Diliarosa Skunda Diliarosta Skunda Diliarosta Sri Wahyuni Suci Fajrina Sugriarta, Evino Suhendrinal Suhendrinal Sundari Permata Sari Syamsul Arifin Syamsuriza Syamsuriza Syamsurizal S Tomi Apra Santosa Tomi Apra Santosa Santosa Triyanchy Afaz Ujang Sudiartono Vauzia, Vauzia Violita Violita Violita Violita Widya Prarikelan Widya Prarikeslan Winda Ayu Fietri Wirda Taufik Wirdaningsih Wirdaningsih Yasmi Antara Yerimadesi Yogi Valfa Yohandri Yohandri Yohandri Yosi Laila Rahmi Yuli Susanti Yulkar Pramilus Yuni Ahda Zalik Muhammad Latif Zuhratul Mardhiyah Amir Zulhendra Syafardi Zulyusri Zulyusri Zulyusri, Zulyusri