Penelitian ini bertujuan mengetahui konsentrasi Corganik dan substrat pada sedimen di perairan Pelabuhan Belawan, serta melihat korelasi antar keduanya. Lokasi penelitian dilakukan di DLKr dan DLKp Pelabuhan Belawan Medan dengan pengambilan sampel secara random sampling sebanyak 10 sampel. Analisis data menggunakan analisis korelasi Pearson product moment. Hasil penelitian menunjukkan konsentrasi Corganik berkisar 0,26-2,74%. Konsentrasi substrat pasir 61-99%, lumpur 1-29%, dan liat 0-18%. C-organik memiliki korelasi positif terhadap nilai interpretasi substrat lumpur (0,769), namun berkorelasi negatif terhadap substrat pasir (-0,816). Semakin halus substrat sedimen, kandungan C-organik akan semakin meningkat.
The operation and development of the harbour is closely related to pollutant sources in the waters, especially the waters of the Belawan Harbour in Medan. This study aims to assess the status of water quality and determine the index of pollution in the waters. The data used in this study are water quality data from the Medan Harbour's environmental management monitoring and reharbouring book in 4 (four) years during 2015 to 2018. Methods for determining the level of water quality status using the STORET method (Water Quality Data Retention and Retrieval System) and compared to the quality standards of Environmental Decree from Republic Indonesia Number 51 of 2004. Based on the analysis of the testing of 14 seawater sampling points around the waters of harbour, results of measurements of seawater quality in physics, chemistry and biology were varied. The level of pollution of the waters of Belawan Harbour shows the results of analysis that the waters of the Belawan Harbour are in the moderate polluting class with a value of -12 to -19, while 1 (one) station is in the light polluted class with a value of -10.
Sumbawa is famous for its marine tourism, apart from the beauty of its beaches, Sumbawa also has marine fauna that attracts the attention of tourists, namely whale sharks. It is recorded that there are around 99 species of Whale Sharks located in Saleh Bay, Sumbawa. Thus, making Saleh Bay the location with the second largest whale shark population in Indonesia and UNESCO designated Saleh Bay as part of the SAMOTA biosphere reserve. Currently, whale sharks have protected fauna according to the decree of the Minister of Marine Affairs and Fisheries No. 18 of 2013. This is due to the pollution of whale shark habitats by pollutants including garbage and microplastics. In addition, the Overexploitation of whale sharks is some of the causes of the significant decline in whale shark populations. Marine ecotourism activities in the form of exhibiting Whale Sharks to tourists can be an alternative way of sustainable use because it has minimal impact on individual Whale Sharks, in addition, marine ecotourism activities can also provide economic benefits to the Sumbawa community and regional development including supporting efforts to protect and preserve the whale shark fauna. The Study "Community-Based Whale Shark Conservation to Strengthen Marine Tourism Management in Sumbawa “aims to present a blue economy model for coastal communities in Sumbawa and increase community participation in conservation activities, as well as improve the welfare of coastal communities in Sumbawa.
Pengabdian ini merupakan pengenalan green wall dalam upaya mengurangi emisi gas rumah kaca (GRK) Kelurahan Brang Biji Kabupaten Sumbawa yang mendapatkan respon baik dari pemerintah daerah dan masyarakat. Kawasan permukiman Samota merupakan kawasan permukiman yang sedang berkembang pesat di Sumbawa, sehingga pembangunan di wilayah ini terus meningkat seiring berjalannya waktu. Oleh karena itu, keterbatasan lahan yang dimiliki pada setiap permukiman membuat ruang terbuka hijau juga semakin berkurang, sehingga dapat menyebabkan suhu bumi semakin panas karena fungsi tumbuhan pada ruang terbuka hijau yang mampu menyerap gas CO2 diudara. Green wall merupakan solusi alternatif dalam mengatasi permasalahan GRK melalui penerapan green wall pada kawasan permukiman Samota. Metode yang digunakan pada kegiatan meliputi sosialisasi, pelatihan, dan pendampingan terhadap masyarakat. Sasaran dalam pengabdian ini adalah meningkatnya pengetahuan dan keterampilan masyarakat mengenai pemanfaatan green wall. Kesimpulan kegiatan ini adalah 1) Masyarakat memiliki pengetahuan akan bahaya gas rumah kaca bagi perubahan iklim, 2) Kegiatan ini membantu mitra masyarakat memanfaatkan botol bekas untuk menanam sayur yang diperlukan keluarga dan dapat menambah extra income jika dikelola dengan baik.
Prajak is crowned as the top 300 tourist villages at the 2022 Indonesian tourism village award. Prajak is a hamlet located in the Saleh Bay cluster, Sumbawa, so development in this area is directed as a marine tourism area. Even though it is named a tourist village, the tourism conditions in Prajak are still not optimal and have not been developed properly. The condition of the beach is still natural, but the lack of public awareness of tourism opportunities and the inadequate infrastructure of existing tourism infrastructure have resulted in marine tourism in prajak is not yet known by the public. In addition, the main problem is the rampant illegal fishing which has an impact on the destruction of coral reefs, the reduction of fishermen's catches, and the threat to fish sustainability. Therefore, the development of non-extractive, non-consumptive, and sustainable natural resources needs to be prioritized in the field of tourism so that marine ecotourism is the main choice. This study aims to design an appropriate marine ecotourism zoning in Prajak Sumbawa area based on its ecological potential, analyze the feasibility of community-based marine ecotourism, and create a community-based marine ecotourism management strategy in Prajak, Sumbawa Regency.
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