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All Journal Advances in Tropical Biodiversity and Environmental Sciences
Suprabadevi Ayumayasari Saraswati
Nusa Cendana University
Agriculture, Biological Sciences & Forestry Earth & Planetary Sciences Environmental Science Veterinary

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Heavy Metal Content of Pb and Cu in Wideng Crab (Episesarma sp.) Suprabadevi Ayumayasari Saraswati; Endang Wulandari Suryaningtyas; Ni Putu Putri Wijayanti
Advances in Tropical Biodiversity and Environmental Sciences Vol 6 No 1 (2022): ATBES
Publisher : Institute for Research and Community Services Udayana University

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (187.78 KB) | DOI: 10.24843/ATBES.2022.v06.i01.p03

Abstract

The Morosari estuary area is an estuary area consisting of aquaculture areas, mangrove areas, tourist areas, and several large-scale industrial and household activities. This situation causes the entry of waste containing heavy metals (Pb and Cu) into the estuary area. Wideng crab (Episesarma sp.) is one of the biotas that lives in the area and is influenced by the presence of heavy metals (Pb and Cu). This study aims to determine the content of heavy metals Pb and Cu in the mouth of the Morosari River and in the meat of the Wideng Crab (Episesarma sp.). The research was conducted in April – June 2009 and located at the mouth of the Morosari River (Demak). The research method used is a descriptive exploratory method, while sampling using purposive random sampling was conducted at 3 stations. A sampling of Wideng Crabmeat (Episesarma sp.), water, and sediment was carried out every 2 weeks as many as 5 samples and continued with analysis at the Central Laboratory of Kopertis Growth Region IV Semarang. Furthermore, the data obtained were analyzed descriptively. The results of the analysis of the Pb content in water were 0.039 - 0.089 mg/l, and the content in crab meat was 0.175 - 0.335 mg/kg. While the content of Cu in water is 0.024 - 0.055 mg/l, and in crab meat 0.032 - 0.16 mg/kg. The value of heavy metal content in the water has exceeded the quality standard threshold allowed by the Ministry of Environment Number 51 of 2004
Characteristics of Beach Typology for the Development of Marine Tourism in the Blue Lagoon Beach of Karangasem Bali Suprabadevi Ayumayasari Saraswati; I Ketut Wija Negara; Dewa Ayu Angga Pebriani
Advances in Tropical Biodiversity and Environmental Sciences Vol 4 No 2 (2020): ATBES
Publisher : Institute for Research and Community Services Udayana University

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (450.242 KB) | DOI: 10.24843/ATBES.2020.v04.i02.p05

Abstract

Sygnathidae corals are included in the vurnarable category of CITES because the number in their natural habitat is decreasing. This is partly due to the high predatory activity and utilization as raw materials for traditional medicine so that it has high economic value. This research aims to study the ecological conditions including the distribution and abundance of Sygnathidae reef fish in the waters of Blue Lagoon Karangasem and to study the ecological conditions of the waters. The main marine tourism and recreation activities at Blue Lagoon Beach Karangasem, Bali are now snorkeling tours. This requires attention to the preservation of coastal ecosystems, because tourism is an industry that is very sensitive to external changes, so the region is of concern. Besides studies on marine tourism activities, scientific studies on tourism carrying capacity are also needed to determine the maximum number of tourist visitors that can still be tolerated by an ecotourism area. This research was conducted in the Blue Lagoon Coast Karangasem Bali. This study uses primary data analysis of water quality analysis, the method of determining the suitability of the region based on the multiplication of scores and weights obtained from each water brightness parameter category S1 with a score of 15, coral community cover category S3 with a score of 5, coral life form category S1 with a score of 9 , reef fish category TS with a score of 0, current speed category S2 with a score of 2, and depth of the category S3 with a score of 1. This study was conducted for 3 months, namely in June-August. The determination of the research station is based on the Purposive sampling technique. Secondary socioeconomic data obtained by questionnaire, interview / interview. The purpose of this study is to examine the suitability of the area as a marine tourism activity and analyze the carrying capacity (carrying capacity) of marine tourism areas.
Planning of Vegetative Structures for Coastal Protection Based on Analysis of the Results of Coastal Substrate in Palu Bay Suprabadevi Ayumayasari Saraswati; Ni Luh Watiniasih; Arie Setiadi Moerwanto; Husnayaen Husnayaen
Advances in Tropical Biodiversity and Environmental Sciences Vol 6 No 3 (2022): ATBES
Publisher : Institute for Research and Community Services Udayana University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24843/ATBES.2022.v06.i03.p02

Abstract

An earthquake followed by a tsunami occurred on September 28, 2018, in Central Sulawesi. National Disaster Management Agency recorded that 2,113 people died from the earthquake and tsunami, spread over 1,703 people in Palu City, 171 people in Donggala Regency, 223 people in Sigi Regency, 15 people in Parigi Moutong Regency, and Pairskayu Regency with a total of 15 people. 1 person. According to satellite imagery data obtained [2], damage to buildings that occurred in Palu City reached 2,403 buildings and caused the paralysis of Palu City from various aspects, around 70,000 people were accommodated in temporary shelters. Structural mitigation efforts to reduce the impact of damage from natural disasters can be done naturally or artificially. One of the natural structural mitigation efforts in the coastal area of ??Palu City is the creation of a coastal green belt or generally called a Greenbelt. Planting coastal vegetation and mangroves and maintaining existing coastal forest ecosystems is a disaster mitigation effort. Coastal forest ecosystems and mangroves have strong and sturdy root systems that can grip the deepest soil layers. The canopy is flat and dense, and dense at all times, making coastal forests and mangroves an ideal natural protection against the threat of disasters in coastal areas. The purpose of this research is to plan the formation of coastal forests (Planning Vegetative Structure for Coastal Protection) in Palu City Bay. The method used in this research is a descriptive method, namely by field observation, which is carried out to determine the existing condition of vegetation in the coastal area of ??Palu Bay. Based on the results of the analysis, at 23 measurement points, it was found that the thickness of the fine sediment at the bottom of the water ranged from 1-10 cm, while the results of the analysis of the thickness of the coarse sediment ranged from 1-26 cm. The sediment population in Palu City has the characteristics of Gravel (gravel) and Sand (sand). The potential content of TSS in the water column reaches 188 mg/L.
Lead and Copper Heavy Metal Content in the Morosari Waters, Demak Region Suprabadevi Ayumayasari Saraswati; Lumban Nauli Lumban Toruan; Ipanna Enggar Susetya
Advances in Tropical Biodiversity and Environmental Sciences Vol 7 No 1 (2023): ATBES
Publisher : Institute for Research and Community Services Udayana University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24843/ATBES.2023.v07.i01.p06

Abstract

The utilization of river bodies as waste disposal has an impact on the entry of heavy metals into the sea. The Morosari estuary area is an estuary area, which consists of mangrove areas, tourist areas, and several industrial activities, both large-scale and household. This condition causes the entry of waste containing heavy metals lead (Pb) and copper (Cu) into the estuary area. This study aims to determine the content of heavy metals Pb and Cu in the estuary of the Morosari River. This research was conducted in April - June 2009 and took place in the Morosari River estuary, Demak Region. The research method used was a descriptive exploratory method, while the sampling was purposive. random sampling, to 3 stations. Water samples are taken every 2 weeks, and followed by an analysis carried out at the Growth Center Laboratory, Kopertis Region IV, Semarang. The data obtained were analyzed descriptively. Analysis results for Pb content in water: 0.039 - 0.089 and Cu content in water 0.024 - 0.055 mg/l. The value of heavy metal content in the water has exceeded the threshold.
Co-Authors Arie Setiadi Moerwanto Dewa Ayu Angga Pebriani Endang Wulandari Suryaningtyas Husnayaen Husnayaen I Ketut Wija Negara Ipanna Enggar Susetya Lumban Nauli Lumban Toruan Ni Luh Watiniasih Ni Putu Putri Wijayanti