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This study analyzes the strategy of the Community Monitoring Group (Pokmaswas) in developing mangrove forests in Pelambung Village, Tanjung Balai Karimun, Riau Islands. This study aims to explore Pokmaswas management patterns and their impacts on local communities and coastal ecosystems. Mangrove forests play a crucial role in maintaining ecosystem balance, protecting coasts from abrasion, flooding, and storms, and supporting the biodiversity of fish, shrimp, and crabs. In Indonesia, mangrove area has decreased drastically from 5.2 million hectares in 1982 to around 2.5 million hectares due to land conversion, logging, and pollution. In Pelambung Village, Pokmaswas, established in 2023, began rehabilitation by planting 5,000 mangrove seedlings such as Rhizophora (mangrove), Avicennia (api-api), and Sonneratia. This qualitative, descriptive study, using observation, local community interviews, and documentation techniques, was conducted from July to August 2024. The Community Development Group (Pokmaswas) is active in nursery, harvesting, maintenance, monitoring, and ecotourism development, generating economic benefits (job creation, mangrove coffee MSMEs and miniature canoes), ecological benefits (protection from abrasion, increased fisherman's catch), and biological benefits (marine biota habitat). Challenges include limited funding, pest attacks, and integration with regional development.    

Coastal environmental pollution is an increasingly complex problem in Indonesia, especially due to uncontrolled waste disposal. This study aims to analyze the impact of waste disposal on the environment in the coastal area of Putra Deli Beach, Deli Serdang Regency. The research approach used is mixed-method with data collection through direct observation, semi-structured interviews, and literature study. The results showed that plastic waste dominates the types of waste found at the research site and is the main cause of marine ecosystem pollution. The impacts include damage to marine biota habitat, decreased tourist attraction, public health problems, and economic losses for local businesses. The lack of waste management facilities and low environmental awareness also exacerbate this condition. Therefore, an integrated waste management strategy based on community and stakeholder collaboration is needed to maintain the sustainability of the coastal environment.

The mangrove ecosystem is an ecosystem that has a very high ecological value. This ecosystem can protect the coastline from abrasion, serve as a habitat for various marine biota, and store a vast biodiversity. The purpose of this research is to analyze the potential of the mangrove ecosystem in Bagan Serdang Village, Pantai Labu District, and to identify the challenges of utilizing the mangrove ecosystem in Bagan Serdang Village, Pantai Labu District. This study uses a qualitative descriptive method by conducting direct observations, interviews, and documentation. The results of this research indicate that the mangrove potential in Bagan Serdang Village is quite good; however, the community has not fully understood the benefits of the mangrove forest due to limited knowledge, community awareness, and the lack of training and outreach provided by the local government and related agencies.

The beach is an ecosystem that has an important role in human life, both as a natural resource, tourist attraction, and habitat for various marine biota. However, in reality, beach cleanliness currently does not receive special attention, so there is still rubbish in the beach environment, which often disturbs the beauty of the beach at Budi Sun Resort.   This causes damage to the coastal environment and many coastal ecosystems even become extinct.  This community service has three objectives, namely, 1) making participants aware of the importance of keeping the beach environment clean as a step to save the coastal ecosystem, and 2) forming a beach guard unit 3) cleaning the beach environment with the participants. This service method has two stages, namely the preparation stage and the implementation stage. The result of this service is the formation of a beach guard unit to maintain the cleanliness of the beach environment as a step to save the coastal ecosystem.  Apart from that, it was proven that participants were enthusiastic when taking part in real activities and actions to clean the beach environment. However, assistance is still needed to recycle waste.  This community service activity went according to plan and smoothly

Early introduction to the marine environment is one of the activities to introduce and maintain the marine ecosystem for children. This community service activity was carried out at PAUD YPPK Kristus Juruslamat Kotaraja by means of socialization, watching videos related to marine biota and direct Q&A with children. The results of this community service activity were that the children were very enthusiastic about learning in the introduction of marine biota using English, increasing children's English vocabulary, increasing children's concern for the marine ecosystem

The purpose of writing this article is to provide knowledge to the public about the Biomorphic Architecture of the Turtle Ocean Park building in Jepara, Central Java. This research uses qualitative methods, namely observation and literacy. The results of this study explain that the Kura-Kura Ocean Park Jepara building is a building that has a biomorphic architectural style. Biomorphic architecture is a style of harmonious concept between buildings and the environment or nature. Kura-Kura Ocean Park is a center for recreation and interaction with marine biota which has educational value to the community.  

The coastal area in Aeng Batu-Batu Village, Galesong, Takalar Regency is one of the areas whose lives depend on marine products, especially on seaweed cultivation as their main livelihood. However, due to the sea mining activities that began in the area since 2017 to meet the needs of infrastructure projects on the Center Point of Indonesia (CPI) reclamation island, it has had a significant impact on the social life of the local community, a change in income that has decreased from seaweed cultivation which has finally made fishermen switch to looking for other marine biota such as crabs and squid. In the context of social dynamics that occur as a result of mining, it has made changes in the daily activities of the local community, especially in the search for income. In this case, the solidarity of the local community is also an important factor in changing habits that occur after sand mining occurs. Sand mining also triggers coastal abrasion which causes houses in coastal areas to be exposed to abrasion. This research uses qualitative methods that focus on interview techniques, observation and literature review which are used to analyze the effects of sand mining on the coastal communities of Aeng Batu-Batu Village. The results of this study show that coastal sand mining has brought changes to the social dynamics and interaction patterns that exist in the community, especially in the management of marine resources and their place of residence. These results are expected to be material for further attention regarding coastal environmental management policies related to the utilization of natural resources, especially for reclamation needs in order to prevent negative impacts that arise in coastal communities.

Sanitation and hygiene are crucial aspects of public health, especially in island areas like Pramuka Island, Kepulauan Seribu. This activity aims to enhance the community's understanding and awareness of hygiene sanitation through health education. The methods used include interactive education, health screening, and evaluation using pre-test and post-test questionnaires. The results of this activity showed a significant increase in participants' knowledge levels, from 50% before the education to 85% afterward. Health screening revealed a tendency for high cholesterol levels, as well as some cases of blood sugar and uric acid levels exceeding normal limits among the residents. Analysis of local snacks did not show any contamination with borax and formalin, indicating food safety awareness among vendors. Meanwhile, marine biota exploration found the potential of seagrass (Cymodocea serrulata) with alkaloid content that can be further developed. These findings highlight the importance of continuous education, targeted health interventions, and the utilization of local natural resources to improve the quality of life of Pramuka Island residents.

This study aims to analyze the relationship between macrozoobenthos Gafrarium pecinatum density and water quality at two water stations determined based on the turbidity of the research location on Sunday, May 26, 2024 in Pengudang waters and Monday, May 27, 2024 in Dompak waters. Field data analysis was carried out in the Marine Biology laboratory of the Faculty of Marine Science and Fisheries UMRAH. This study used a random sampling method with sample collection carried out at two predetermined research stations. The results showed that Gafrarium pecinatum is a macrozoobenthos species found in both research locations, with differences in the number of individuals between stations. Evaluation of water quality showed that most of the chemical and physical parameters were still within the established quality standard limits, but the temperature parameter at station 2 slightly exceeded the quality standard limits. Nonetheless, the water conditions at both sites can still be considered suitable to support the life of marine biota. Further monitoring is required to maintain the sustainability of the coastal ecosystem.

Real Work Lectures (KKN) are university extracurricular activities that combine the dharma of education, research and community service in one activity. Indonesian people are used to using medicines as an effort to prevent, control or cure disease, especially during the current pandemic. However, many people often experience minor health complaints such as dizziness, fever and stomach ulcers. The low level of light services using drugs from the over-the-counter and over-the-counter drug classes is limited. It is hoped that this real work lecture (KKN) activity can increase the interest and understanding of residents in the Pulau Pramuka sub-district regarding the DAGUSIBU Effort movement for good and correct medicine and the use of marine biota to improve health, increase intelligence through the consumption of independently processed products that have high protein. The method used in this activity is a socialization method involving the community and various groups at the student level. The results obtained are that this program has run well through various programs held such as health checks, workshop activities, phytochemical screening activities for marine biota of the Ulva lactuca seaweed type, as well as DAGUSIBU extension activities.

Mangroves are plants that live in coastal areas which have great benefits, namely as abrasion barriers, wave breakers, as a food source for marine biota, absorbing carbon dioxide, and producing oxygen. Sicanang Mangrove Ecotourism is a mangrove forest that is open to the public to visit this ecotourism. The location is in Belawan Sicanang Village, Medan Belawan District, Medan City. Data collection techniques were used to obtain primary data and secondary data through observation, interviews and literature study. Research data was analyzed using qualitative descriptive analysis. The research results show that since 2020, this ecotourism has been closed and is not being maintained to this day. The cause of the damage to ecotourism is due to the local community's lack of understanding about developing mangrove ecotourism in the area, such as cutting down mangrove trees for wood as furniture material. This causes damage to the mangrove ecosystem and the quantity of mangrove trees decreases. It was concluded that the damage was caused by a lack of attention to repairs from the government and management awareness from the local community.

Lamong Bay is one of the important water areas in Indonesia, located around the coastal area of ​​Surabaya, East Java. This area has high ecological and economic value because it functions as a sea transportation route and supports marine biota. So this research is intended to monitor the quality of sea water in Lamong Bay based on benthos and plankton bioindicators. Plankton and benthos are small organisms that live in waters and are very sensitive to environmental changes. The plankton sampling method involves using a plankton net to collect plankton samples from the waters. The grab and net sampling method is a method used to collect benthos samples from the bottom of the waters. The results that can be concluded from the analysis carried out in the waters of Lamong Bay, for the type and abundance of plankton, phytoplankton are 3 classes, namely Bacillariophyta (16 species), Cyanobacteria (2 species), and Euglenozoa (1 species), and zooplankton found include Arthropods Monacilla sp. and Nauplius, Ciliophora individuals include Favella sp. , Tintinnopsis sp. , Tintinnopsis sp. 2, Tintinnopsis sp. 3 as well as individual Rotifera including Notholca sp. Meanwhile, for Benthos, only Thiaridae was found.