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All Journal Acta Aquatica: Aquatic Sciences Journal Jurnal Ilmiah Kanderang Tingang Indonesian Research Journal on Education
Husnayaen, Husnayaen
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Evaluasi Dampak Penggunaan Lahan Di Kawasan Sekitar Mangrove Terhadap Perubahan Luasan Mangrove (Studi Kasus pada Tahura Ngurah Rai Bali) Widnyana, I Made Alit; Bela, Riyani; Husnayaen, Husnayaen
Jurnal Ilmiah Kanderang Tingang Vol 15 No 1 (2024): Jurnal Ilmiah Kanderang Tingang
Publisher : FKIP Universitas Palangka Raya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37304/jikt.v15i1.322

Abstract

In Indonesia, particularly in Denpasar City, Bali, mangrove forests play a crucial role in maintaining environmental and local economic sustainability. However, in recent years, mangrove forests in Bali, as well as throughout Indonesia, have faced significant pressure due to human activities such as urban development, sand mining, and climate change. The objective of this research is to identify the dominant land use patterns around the Ngurah Rai Bali Forest Park (Tahura Ngurah Rai Bali) mangrove area and evaluate the impact of land use on mangrove area changes for the sustainability of the mangrove ecosystem in Tahura Ngurah Rai Bali. The research methodology employed in this study is descriptive. Located strategically along the Sanur, Benoa, Tuban, and Nusa Dua tourist route along the Ngurah Rai Bali bypass, Tahura Ngurah Rai Bali is geographically positioned between 8°04'2'' - 8°04'9'' south latitude (LS) and 110°50'9'' - 110°50'14'' east longitude (BT). The Long-Term Management Plan, documented and approved by the Directorate General of Conservation and Natural Resources of the Ministry of Environment and Forestry of the Republic of Indonesia through Decree SK.53/KSDAE/PKK/KSA.0/3/2023, is effective for 10 years from 2023 to 2032. This plan is an extension of the 2012-2022 Long-Term Development Plan (RPJP). The mangrove conservation area covers 159.44 hectares, while the production forest that can be converted covers 169.5 hectares. The impact of land use for purposes beyond forestry does not significantly affect the mangrove ecosystem. However, there is a highly significant impact on changes in mangrove area due to land conversion for physical structures such as the Bali Mandara Toll Road, the PT. Perusahaan Listrik Negara (PLN) Tower, and the Wastewater Treatment Plant (IPAL).
Mapping mangrove forest density distribution and deforestation with machine learning on Google Earth Engine in West Nusa Tenggara Province Husnayaen, Husnayaen; Anhar, Alfian; Bela, Riyani; Arini, Dwi Puspa
Acta Aquatica: Aquatic Sciences Journal Acta Aquatica, Vol. 12: No. 1 (April, 2025)
Publisher : Universitas Malikussaleh

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29103/aa.v1i1.18783

Abstract

Mangrove forests play a very important role in reducing greenhouse gas emissions as part of efforts to mitigate climate change in Indonesia. The existence of mangrove forests is sensitive to extreme environmental changes, and high levels of utilization increase the risk of deforestation. The purpose of this study is to provide information regarding distribution, density, and deforestation of mangrove forests in 2023 in West Nusa Tenggara Province. Data processing was carried out based on cloud computing using Google Earth Engine with a random forest algorithm and supervised classification, utilizing Landsat satellite imagery data from 2000 and 2023. The classification of mangrove forest density was performed by interpreting the satellite imagery from 2023 using the NDVI (Normalized Difference Vegetation Index) method. Field surveys were conducted at 40 sample points to observe the presence and condition of mangrove forests that experienced deforestation in 2023. The results of image data processing were validated using field data and high-resolution images from Google Earth, with an accuracy assessment method presented in the error matrix. The results showed that mangrove forests have a sparse density of 4968.10 ha, a medium density of 2516 ha, and a dense density of 4928 ha. The total deforestation area in West Nusa Tenggara Province is 610 ha, with Dompu Regency having the largest percentage of deforestation, accounting for 68% of the total mangrove deforestation in West Nusa Tenggara Pronvince. The destruction of mangrove forests is mostly caused by the fisheries sector, namely the conversion of mangrove forests into pond sites.Keywords: Deforestation; Google Earth Engine; Mangrove Forest; NDVI; West Nusa Tenggara
Prioritas Wisatawan di Bali dalam Memilih Transportasi Ojek Online (OJOL) dengan Metode Analytical Hierarchy Process (AHP) Anhar, Alfian; Lestari, Windy; Husnayaen, Husnayaen; Bela, Riyani; Azis, Azizah
Indonesian Research Journal on Education Vol. 4 No. 3 (2024): irje 2024
Publisher : Fakultas Keguruan dan Ilmu Pendidikan, Universitas Pahlawan Tuanku Tambusai

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31004/irje.v4i3.861

Abstract

Pulau Bali merupakan salah satu destinasi wisata yang paling diminati wisatawan domestik maupun internasional, sehingga kebutuhan transportasi menjadi meningkat. Banyak wisatawan yang datang mengakibatkan kemacetan yang memprihatinkan, hampir disetiap ruas jalan daerah wisata mengalami kemacetan yang parah. Bagi wisatawan domenstik maupun internasional yang telah sadar akan kemacetan, mereka lebih memilih menggunakan transportasi umum. Pesatnya kemajuan teknologi berimbas pada sarana transportasi seperti munculnya Taksi Online atau Ojek Online (Ojol). Transportasi ojek online telah berkembang pesat di pulau Bali dan memberikan alternatif yang praktis dan efisien dalam mobilitas mayarakat. Wisatawan dimudahkan dengan adanya aplikasi ojek online yang dapat diakses dimanapun dan kapanpun. Selain itu, integrasi teknologi GPS memungkinkan pengemudi untuk melacak lokasi penumpang dengan tepat, memastikan penjemputan yang efisien dan akurat. Banyaknya Pengembang Aplikasi (Application Developer) ojek online membuat pengguna seringkali bingung dalam memilih jasa ojek online yang sesuai dengan kebutuhan dan preferensi mereka. Wisatawan harus mempertimbangkan aspek-aspek/kritera layanan ojek online yang akan digunakan. Untuk mengambil keputusan pemilihan layanan transportasi ojek online diperlukan sistem pendukung keputusan, sehingga penulis memberikan panduan objektif dalam pemilihan layanan transportasi ojek online menggunakan metode Analytical Hirarchy Process (AHP). Tujuan utama dari penelitian ini adalah membantu wisatawan dalam memilih transportasi ojek online di pulau Bali yang sesuai dengan kriteria yang diinginkan, diantaranya aspek Harga, Kecepatan, Keakuratan, Keramahan, Kenyamanan, dan Keselamatan. Selain itu juga diharapkan dengan adanya penelitian ini, pemilik jasa transportasi ojek online dapat meningkatkan kualitas pelayanan dari semua aspek yang ada.
Co-Authors Alfian Anhar Amela, Philosofia Azis, Azizah Dwi Puspa Arini I Kadek Adiana Putra Lestari, Windy Riyani Bela Widnyana, I Made Alit