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Mauludiyah
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Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Environmental Science

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Valuasi Total Ekonomi Mangrove di Desa Banyuurip Kecamatan Ujungpangkah Kabupaten Gresik Jawa Timur Nindy Eka Pertiwi; Mauludiyah; Fajar Setiawan
Journal of Marine Resources and Coastal Management Vol. 1 No. 1 (2020)
Publisher : UIN Sunan Ampel Surabaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29080/mrcm.v1i1.746

Abstract

Mangrove di kawasan Desa Banyuurip, Kecamatan Ujungpangkah Kabupaten Gresik Jawa Timur merupakan hasil penanaman oleh warga sekitar yang saat ini menjadi basis aktivitas jasa lingkungan, perikanan, dan pariwisata bahari serta memberikan nilai estetik tersendiri. Fokus penelitian ini adalah identifikasi mangrove dan penilaian total ekonomi mangrove di Desa Banyuurip Kecamatan Ujungpangkah Kabupaten Gresik. Metode pengukuran dan pengambilan data vegetasi mangrove menggunakan metode garis lurus atau transek garis. Nilai ekonomi total dilakukan dengan cara wawancara untuk memperkirakan nilai ekonomi hutan mangrove berupa manfaat langsung, tidak langsung, pilihan, dan keberadaan. Jenis mangrove yang mendominasi di wilayah pesisir Desa Banyuurip yaitu jenis Avicenia marina dengan kerapatan dan tutupan yang baik. Jenis lain yang ditemukan adalah Rhizopora mucronata, Bruguiera silindrica, dan Rhizopora apiculata. Nilai ekonomi total mangrove di wilayah pesisir Desa Banyuurip yaitu Rp. 21.423.890.000,00 yang diperoleh dari (1) manfaat langsung penangkapan kepiting sebesar Rp.1.836.480.000,00, kerang sebesar Rp. 18.534.720.000,00, dan tambak ikan bandeng sebesar Rp. 34.200.000,00; (2) nilai guna tak langsung yang dihitung sebagai penahan abrasi sebesar Rp. 315.353.520,00 per tahun; (3) manfaat pilihan (nilai biodiversitas) sebesar Rp. 1.057.500,00 per tahun; dan (4) nilai keberadaan dari ekosistem mangrove sebesar Rp. 182.400.000,00.
Potensi Degradasi Minyak Solar oleh Bakteri Hidrokarbonoklastik di Perairan Pelabuhan Tanjung Perak Surabaya Ika Nurjanah; Mauludiyah; Misbakhul Munir
Journal of Marine Resources and Coastal Management Vol. 1 No. 1 (2020)
Publisher : UIN Sunan Ampel Surabaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29080/mrcm.v1i1.881

Abstract

Tingginya kepadatan trafik di pelabuhan Tanjung Perak Surabaya dapat menimbulkan masalah baru yaitu peningkatan kapasitas pengisian minyak solar pada kapal sehingga mengakibatkan volume buangan yang mengandung minyak (oily waste) cenderung meningkat. Alternatif penanggulangan secara tepat dan tidak menganggu lingkungan yaitu dengan cara menggunakan bakteri yang mampu mendegradasi minyak solar. Tujuan dari penelitian ini untuk mengetahui bakteri yang berpotensi mendegradasi minyak solar di pelabuhan Tanjung Perak dan dapat mengetahui kemampuan isolat bakteri tersebut dalam mendegradasi minyak solar. Penelitian ini menggunakan metode purposive sampling pada pengambilan sampel air laut dan menggunakan metode observasi di laboratorium untuk isolasi bakteri pendegradasi minyak, karakterisasi pengamatan bakteri, dan uji biodegradasi minyak solar. Hasil penelitian menunjukkan bahwa pada perairan pelabuhan Tanjung Perak diperoleh tujuh isolat bakteri pendegradasi minyak solar. Lima isolat terdapat pada Stasiun 1, area dimana potensi pencemaran minyak solar lebih tinggi, yaitu genus Pseudomonas, Bacillus, Klebsiella, Enterobacter, dan Citrobacter. Dua isolat lainnya yaitu genus Bacillus dan Klebsiella diperoleh dari Stasiun 2. Hasil identifikasi bakteri yang mampu mendegradasi minyak solar secara signifikan adalah konsorsium (isolat campuran pada genus Pseudomonas, Bacillus, Klebsiella, Enterobacter dan Citrobacter) dengan persentase biodegradasi sebesar 94,57%. Pada isolat tunggal, pada Stasiun 1 yang memiliki persentase biodegradasi tertinggi adalah genus Pseudomonas dan Bacillus dengan persentase biodegradasi masing – masing sebesar 91,94 % dan 89,99%. Pada Stasiun 2, bakteri pendegradasi yang memiliki persentase tertinggi adalah genus Bacillus dengan persentase 88,61 %.
An ecosystem approach to integrated coastal zone management: Case study on the Gresik Regency, East Java Mauludiyah; Nur Maulida Safitri
Journal of Marine Resources and Coastal Management Vol. 3 No. 1 (2022)
Publisher : UIN Sunan Ampel Surabaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29080/mrcm.v3i01.1425

Abstract

Gresik Regency is one of the industrial development areas in East Java Province due to its strategic location. This region has the opportunity to actively integrate the ecosystem into development planning. Management of integrated coastal areas is widely advocated at all levels of government as a means of delivering sustainable development in coastal areas. This study was conducted to determine the level of impact caused by each activity cumulatively on coastal and marine ecosystems in Gresik Regency. In general, this study is oriented towards collecting data of marine pollution level from various substances and sources, as well as changes over time in the status of the marine environment in Gresik Regency. The results showed that the increase in population growth accompanied by an increase in the amount of waste, as well as an increase in industry, port and agricultural activities in coastal areas of Gresik Regency require special attention in the management of the coastal and marine environment in Gresik Regency. The use of coastal and marine areas of Gresik Regency can lead to loss of biodiversity, as well as decreased stability and resilience of ecosystems in coastal and marine areas. It is necessary to take into account the pressures and impacts due to activities in coastal and marine areas and then propose the most appropriate development solutions within the framework of Integrated Coastal Zone Management in Gresik Regency.
Economic valuation approach to calculating pollution loads in Kenjeran area, East Java, Indonesia Mauludiyah
Journal of Marine Resources and Coastal Management Vol. 3 No. 2 (2022)
Publisher : UIN Sunan Ampel Surabaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29080/mrcm.v3i2.1487

Abstract

Environmental pollution is not a new problem in the Kenjeran, Surabaya coastal area. There are numerous studies show that these waters have been polluted. However, there is no specific study on the economic valuation of environmental impacts due to pollution that occurs in the area. The purpose of this study was to estimate the costs incurred from pollution that occurred in the Kenjeran coastal area. The estimation of the cost of pollution is done by calculating the decrease in fishery productivity and the tourism sector, and the increase in health and water treatment costs. Data collection techniques were carried out through secondary data collection, interviews, questionnaires, field surveys, and focused group discussions. The calculation results show that the costs incurred from pollution that occur in the coastal area of Kenjeran are Rp. 452,724,903,588,63 include (1) a decrease in fishery productivity in the form of lost fisherman income of Rp. 28,728,000,000.00; (2) a decrease in the tourism sector by Rp. 27,728,112,300.00; (3) the increase in health costs includes the cost of carcinogenic risk of Rp. 363,626,479,099.79 and gastroenteritis of Rp. 32,552,893,425.42; and (4) an increase in the cost of water treatment by Rp. 89,418,763.42. This effort is needed to remind policy makers of the importance of paying attention to the impacts arising from an activity on the environment and society as well as to show that environmental aspects are an important potential for long-term sustainable development activities and not as an obstacle to development.
A community-based participatory model for integrating lobster aquaculture into coastal tourism livelihoods Perdanawati, Rizqi Abdi; Mauludiyah; Nugraha, Dimas Rizal Wahyu; Hadi, Moch Irfan; Violando, Wiga Alif
Journal of Marine Resources and Coastal Management Vol. 6 No. 2 (2025)
Publisher : UIN Sunan Ampel Surabaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29080/mrcm.v6i2.2500

Abstract

Bangsring Village, Banyuwangi Regency, Indonesia is a coastal tourism area with high ecological and economic potential; however, tourist visitation has declined significantly since 2020, highlighting the need for locally grounded and resilient livelihood innovations. This study aims to evaluate the feasibility and community relevance of lobster aquaculture as a tourism-supporting livelihood strategy using a Community-Based Participatory Research (CBPR) framework. The CBPR process was implemented through collaborative problem identification, participatory planning, joint environmental assessment, and community-led implementation involving the Pesona Bahari Community Group. Water quality parameters and site characteristics were jointly analyzed to inform technology selection. Based on these findings, a circular bottom (base) net-cage system was selected due to its suitability for moderate current conditions, benthic substrates, and its ability to mimic the natural habitat of lobsters. Program implementation included cage construction and deployment, seed stocking, daily maintenance using natural feed, and harvesting after approximately 100 days of rearing. The outcomes indicate increased community capacity in environmentally responsible lobster aquaculture practices and successful production of marketable-sized lobsters under local conditions. Beyond economic diversification, lobster farming activities also function as an educational and experiential attraction, strengthening the integration between aquaculture and coastal tourism. This study contributes a context-specific CBPR-based model for integrating small-scale lobster aquaculture with coastal tourism development. The approach demonstrates practical applicability and potential replicability for other coastal communities seeking sustainable livelihood diversification without compromising ecosystem integrity.
Characterization of water masses in the Sulu Sea using temperature–salinity (T-S) diagrams, dissolved oxygen, and chlorophyll-a distribution Firdaus, Muh; Mauludiyah
Journal of Marine Resources and Coastal Management Vol. 7 No. 2 (2026)
Publisher : UIN Sunan Ampel Surabaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29080/mrcm.v7i2.2606

Abstract

The Sulu Sea is a semi-enclosed tropical marginal basin influenced by complex exchanges between the South China Sea and the western North Pacific, resulting in distinctive hydrographic and biogeochemical characteristics. This study aims to characterize the water masses of the Sulu Sea using temperature–salinity (T–S) analysis and to examine the vertical distributions of dissolved oxygen (DO) and chlorophyll-a as indicators of biophysical processes. A key novelty of this study is the integration of T–S analysis with DO and chlorophyll-a observations to provide a comprehensive assessment of the relationships among water-mass structure, ventilation processes, and biological productivity in the Sulu Sea. The analysis was based on Conductivity–Temperature–Depth (CTD) observations collected at 22 stations during the SEAFDEC cruise in March–April 2015, with profiling depths reaching approximately 750 m. The T–S analysis identified two dominant upper-ocean water masses: Subtropical Lower Water (SLW), characterized by a salinity maximum of 34.5–34.9 psu within the thermocline layer (150–250 m), and North Pacific Upper Thermocline Water (NPUTW), which was primarily observed in the eastern stations and indicates the influence of Pacific inflow through the Bohol–Dipolog pathway. Dissolved oxygen exhibited strong vertical stratification, with high concentrations (>5 mg L⁻¹) in the surface layer and reduced values (~2 mg L⁻¹) below the thermocline due to limited ventilation and organic matter remineralization. Chlorophyll-a was concentrated within the upper euphotic zone and near the thermocline, reflecting the combined influence of stratification and nutrient availability. The integrated analysis demonstrates that water-mass distribution, oxygen dynamics, and phytoplankton variability are closely linked to circulation pathways and vertical stratification. These findings provide new insight into the coupling between physical and biogeochemical processes in the Sulu Sea and contribute to improving the understanding of tropical marginal sea ecosystems.
Assessment of coral health and lifeform composition using the CoralWatch method at Tunda Island, Banten, Indonesia Mumtasya, Lenia; Fariz, Arya Nural; Mauludiyah; Idris
Journal of Marine Resources and Coastal Management Vol. 7 No. 2 (2026)
Publisher : UIN Sunan Ampel Surabaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29080/mrcm.v7i2.2567

Abstract

The waters surrounding Tunda Island support coral reef ecosystems ranging from low to moderate condition, which nevertheless provide essential ecological functions for marine life and coastal communities. Coral reefs are formed through the deposition of calcium carbonate produced by reef-building corals in symbiosis with Symbiodinium. These symbiotic algae perform photosynthesis, supplying a substantial portion of the energy required by their coral hosts while contributing to coral pigmentation and overall reef health. However, coral health is increasingly threatened by environmental stressors, including rising sea temperatures and declining water quality. This study aimed to assess the health status of corals at Tunda Island, Indonesia, using the CoralWatch method based on changes in coral tissue coloration. Data were collected through random surveys at six observation stations distributed around Tunda Island. The results showed that the coral community was dominated by branching corals (36.8%), followed by boulder (26.1%), plate (25.7%), and soft corals (11.4%). Coral health assessment indicated that most colonies were under moderate physiological stress, with color Scores 3 (34.2%) and 4 (54.4%) being the most frequently recorded categories, reflecting reduced pigmentation and an increased susceptibility to bleaching. These findings provide baseline information for long-term coral reef monitoring and highlight the importance of sustainable coastal management to reduce environmental stress and maintain coral reef resilience at Tunda Island.  
Co-Authors Fajar Setiawan Fariz, Arya Nural Firdaus, Muh Idris Ika Nurjanah MISBAKHUL MUNIR Moch. Irfan Hadi Mumtasya, Lenia Nindy Eka Pertiwi Nugraha, Dimas Rizal Wahyu Nur Maulida Safitri Perdanawati, Rizqi Abdi Wiga Alif Violando