Life form, diversity, and spatial distribution of macroalgae in Komodo National Park waters, East Nusa Tenggara

Komodo National Park is one of the favorite destinations for both domestic and international marine tourism. Marine tourism activities have caused environmental changes and impact on fisheries and marine resources. Macroalgae were also affected by the environmental changes, so management of macroalgae was required. Ecological data of macroalgae can be used as baseline data for coastal area management. The study aimed to determine the life form, species composition, spatial distribution, and ecological aspects of macroalgae assemblages in Komodo National Park waters. The study was conducted in September 2013, in eight locations, namely Setuga, Komodo Karang Makasar, Padar Kecil, Padar, Papagarang, Mangaitan, and Muntia island. Macroalgae samples were collected by the quadratic transect method. The data analyzed were Sorensen’s similarities. A total of 42 species of macroalgae were recorded, consisting of three Phylum: Chlorophyta (19 species), Ochrophyta (8 species), and Rhodophyta (15 species). Epilithic was the dominant life form of macroalgae. In general, macroalgae can be stably attached to hard substrates. The highest macroalgae diversity was found on Mangaitan Island (22 species). Halimeda and Amphiroa were macroalgae that can be found in almost all locations. Setuga Island had similar macroalgae with both Mangaitan and Muntia islands. The differences in the number of macroalgae species were influenced by environmental pressure, topography, and substrate profile. Management of macroalgae resources was needed to maintain the sustainability of the macroalgae ecosystem.

Coastal Area Management through the Eco blue Sea concept in the settlement of tribe Bajo, Torokeku Village

Coastal management is an important issue for most regions of the world. This is because the initial activities in the fisheries and marine sector began in this area, ranging from capture fisheries, aquaculture, processing of fishery products to marketing. But in reality the management of coastal areas is not optimal and evenly distributed, even though fishery and marine resources have high economic and ecological value, as happened in the coastal area of Torokeku Village. This study aims to determine the appropriate community development approach strategy through the eco blue sea concept in order to maintain fisheries and marine resources found in the coastal area of the Bajo tribal community in Torokeku Village, South Konawe Regency. The research was conducted using descriptive qualitative analysis method. Collecting data through direct survey techniques in the field. The results obtained show that community-based coastal area management by seeking the development of coastal communities can be carried out through structural and non-structural approaches, so that in order to maintain these resources, their management must be carried out in a planned and integrated manner and able to provide the greatest benefit to all stakeholders, especially coastal communities, and minimize impacts and conflicts that may potentially occur.

MODEL STUKTURAL BERBASIS SISTIM INFORMASI GEOGRAFIS DALAM PENGELOLAAN WILAYAH PESISIR SECARA BERKELANJUTAN

Geographical Information System-Based Structural Model in Sustainable Management of Coastal Areas which is the background is that the management of the coastal areas of Ambon City and Central Maluku Regency in the last 10-20 years has not been managed properly and sustainably so that various aspects of development do not work well causing various The problems include damage to the coastal physical environment, namely abrasion, erosion, and sedimentation, water damage due to pollution, damage to protective building infrastructure, coastal mitigation issues, declining quality of coastal environmental resources due to the increasing number of residents in coastal areas, causing the development of slum areas. coastal ecosystem. The purpose of the study is to determine the model and strategy for managing coastal areas in Ambon City and Central Maluku District in a sustainable manner. The method used in this research is the descriptive method. Primary data collection was carried out using a questionnaire for respondents from the community, expert respondents, community institutions, and policymakers. The analysis carried out is Sustainability Analysis with Multi Dimension Scale (MDS), geographic information system analysis, SEM structural analysis, Process Hierarchy analysis (AHP). The results of the sustainability analysis with MDS obtained the Multi-Dimensional Sustainability Index value of 50.13% is in the moderately sustainable category. The results of the SEM model analysis on the role of zoning and community roles in sustainable coastal area management is an acceptable “fit model”. The results of the AHP provide an overview of the assessment by policymakers in the implementation of the program, prioritizing the strategy for Management of Sustainable Coastal Area Management Based on Geographic Information Systems with an assessment score of 39.3%, with the largest presentation being “Coastal Area Arrangement in accordance with GIS-Based Zoning Laws” of 13, 6%.

Evaluation and Application of New-Semarang Coastal Resources Management

The beach in Semarang’s city has a variety of uniqueness with a variety of types and potential. The beach located on the north coast of Semarang city has various characteristics and strengths, and weaknesses. In overcoming differences in management and avoiding misunderstandings between governments, it prioritizes managing the coastal location. At least four integrated coastal management sub-systems consist of Human Resources Management, Accessibility, Beach Location Infrastructure, and Management Policies. This research was conducted from April 2020 until August 2020, to determine the most appropriate alternative strategy to be chosen and implemented in coastal location management. Study analysis with an Analytical Hierarchy Process-AHP analytical technique use with Application R - Open sources. The integrated coastal area management can as the most appropriate coastal location management strategy to implement the current situation and future planning. Alternative methods planned for use are the Availability of a Security Guard, Ease of Access with Signage, Parking Lots, and Rule or regulations to an Integrated Location. The study results stated that the best strategy is management collaboration in the form of interrelated rules.

Web Atlas como Herramienta para la Gestión Integrada Costera: de los Datos al Conocimiento Práctico

Despite the importance of coastal areas to sustainable development, they are poorly known by the public or even by decision-makers. This undermines consistent action towards their protection. Existing data and information, published in very complex language, tend to be restricted to academic use. The Coastal Web Atlas as the one developed here is a tool that makes this information more accessible to managers, by preserving, integrating, comparing, and sharing data as smart maps. The spatial analysis based on multiple impact indicators facilitates the correlation of causes and effects. The Coastal Web Atlas is available to a broad audience and it could be a strong instrument for spatial planning and oversight. The authors propose to improve coastal area management by using colors on maps to decode scientific language to friendly language and to publish it on a geoportal. This technology promotes the use of collected data and enables collaborative work. A pilot experiment is being developed in the Santos Port Region, at the São Paulo state coast, Brazil: http://santoswebatlas.com.br/

Keanekaragaman Makroalga di Perairan Teluk Kendari dan Sekitarnya, Sulawesi Tenggara

<strong>Macroalgae Diversity in Kendari Bay Waters and Surroundings, Southeast Sulawesi. </strong>Human activities around Kendari Bay cause environmental changes. It has an impact on fisheries and marine resources. Macroalgae was also affected by environmental changes, so management of macroalgae was required. The diversity of macroalgae can be used as baseline data for coastal area management. The aims of the study were to find out the diversity of macroalgae, biological indices of macroalgae and the factors that influence the diversity and abundance of macroalgae in Kendari Bay and surroundings. The study was conducted in September 2016, in eight locations, namely Lara Island, Lalow Aru, Tanjung Tiram, Baungkutoko, Watuw Atu, Bokori Island, Tapulaga, and Tenunggeu. Macroalgae samples were collected by the quadratic transect method. The data analyzed were Bray-Curtis similarity, diversity, richness, evenness, and dominance index. The correlation between water quality and abundance or diversity of macroalgae was analyzed by multiple regression analysis. A total of 38 species of macroalgae were identified consisting of three Phyllum: 15 species of Chlorophyta, 10 species of Ochrophyta, and 13 species of Rhodophyta. Tanjung Tiram and Lalow Aru have the highest similarity index of 0.93. Macroalgae in Kendari Bay have the low to moderate category of species diversity, low category of species richness, the medium to high category of species evenness, and the low to moderate category of species dominance. There was a gradient pattern of macroalgae diversity in Kendari Bay and surroundings. Seagrass cover and water quality have more influence on macroalgae diversity than macroalgae abundance in Kendari Bay and surroundings.

Study of Mangrove Forest Existing Condition using Remote Sensing Image in The Karawang Coast of 2018

ABSTRACTThe northern part of Karawang is a coastal area with mostly mud-sand substrates. This substrate tends to be unstable, so that naturally, this kind of sediment is supported by coastal vegetation that forms coastal ecosystems, such as mangroves; therefore, the importance of mangroves in Karawang coast is definite. Unfotunately the data regarding the condition of mangroves in Karawang Regency is quite insufficient. This information, especially about its existence, is needed as a database for further research and as basis to support government policies on coastal area management. The aim of this research is to provide information about the existence of mangrove in Karawang Regency. The method is by using Normalized Different Vegetation Index (NDVI) calculations on Landsat 8 2018 satellite imagery of Karawang to get the data that reveal the information. We have discovered that the existing of mangroves in Karawang Regency in 2018 is 305,14 Ha. Border coast that is vegetated is only 33.75 km of 77 km long coastline of Karawang. Only less than 5% of the total mangrove protected area in Karawang Regency is detected as mangrove from the total 9.055 Ha of the area.

Can ICZM Contribute to the Mitigation of Erosion and of Human Activities Threatening the Natural and Cultural Heritage of the Coastal Landscape of Calabria?

Calabria is a region of southern Italy characterized by several natural and heritage sites located on seaboard areas, within a distance of 300 m from the coast. In fact, 58 Natura 2000 sites and 63 cultural heritage sites (42.9% of which overlap with the Natura 2000 ones) fall within the borders of the region. Within this context, this study has analyzed the connection between natural and cultural goods in the region, considering both seaboard and human impact risk conditions. The results evidenced that 50% and 21% of the natural and cultural heritage sites, respectively, are exposed to the risk of increasing coastal erosion and heavy human impact. Moreover, in order to highlight how cultural heritage sites could be integrated into natural ones within a process of global coastal area management, three case studies have been discussed. In fact, a new kind of approach to coastal regions through an Integrated Coastal Zone Management is necessary in order to valorize the natural and cultural heritage of coastal regions for the social and economic growth of local people.