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Full-Text Articles in Physical Sciences and Mathematics

Water Quality Assessment In The Occurrence Of Acanthaster Spp. (Crown-Of-Thorns Starfish, Cots) On Coral Reefs In Menjangan Island, Bali, Indonesia, Novia Arinda Pradisty, Eghbert Elvan Ampou, Rizki Hanintyo Sep 2020

Water Quality Assessment In The Occurrence Of Acanthaster Spp. (Crown-Of-Thorns Starfish, Cots) On Coral Reefs In Menjangan Island, Bali, Indonesia, Novia Arinda Pradisty, Eghbert Elvan Ampou, Rizki Hanintyo

Makara Journal of Science

Aquatic stressors are known to cause biological impairment that can result in biodiversity loss in several Marine Protected Areas (MPA), including in Menjangan Island, West Bali National Park. The objectives of this study were to correlate the changes in water quality parameters with the biological effect of Crown-of-Thorns starfish (CoTS) population dynamics and to assess the most applicable parameters for continuous environmental monitoring. Field observations and surveys were conducted three times in 2017, during the wet season, dry season and season transition, in order to assess the effect of seasonal variability. Redundancy Analysis (RDA) was performed to determine the relationship …


Evaluation Of Waste Management Facilities Through Land-Based Marine Litter Data: Case Study Of Kenjeran Beach, Surabaya, Rizal Bahri, Rachmaniyah Rachmaniyah, Darjati Darjati Jul 2020

Evaluation Of Waste Management Facilities Through Land-Based Marine Litter Data: Case Study Of Kenjeran Beach, Surabaya, Rizal Bahri, Rachmaniyah Rachmaniyah, Darjati Darjati

Journal of Environmental Science and Sustainable Development

Marine litter surveys can be used to evaluate the effectiveness of policies to prevent litter pollution. This study aims to use land-based marine litter distribution data to evaluate the waste management facilities at Kenjeran Beach, Surabaya. The survey was carried out by systematically dividing 120 m length of the beach into five transects, with each transect having a length of 20 m. The litter was collected from the highest strandline, three times within three weeks. The collected litter was identified by count, weight, density, material, and object category. The waste management facilities at the beach, consisting of waste bins and …