Tidung Island Research Articles

Improvement of knowledge and attitude in conservation of mangrove and coral reefs through environmental education community network model

damage to coral reefs and mangroves results in disturbed ecosystem balance. This needs to be anticipated, one of which is through learning This research developed environmental conservation model through Environmental Education Community Network (EECN) and aimed to know the knowledge and attitude on the conservation of mangrove and coral reefs on students through EECN. This research was experimental research involving 40 high school students in the Jakarta area. Students got lectures on mangroves and coral reefs as well as observation and direct planting of mangroves and coral reefs in Tidung Island, Thousand Islands (Kepulauan Seribu, Indonesia). Knowledge data and attitudes were obtained before and after treatment. The results showed that there were significant differences to the knowledge and attitude on the conservation of mangrove and coral reefs before and after treatment. This implies that direct field recognition supplied benefits and changes in knowledge and attitudes on conservation.

Measurement of bottom backscattering strength using single-beam echosounder

A quantified single beam echosounder was applied to detect and quantify the bottom echoes. Bottom backscattering strength (SB) is necessary to be quantified for accurate seabed mapping and classification. The SB can be measured by Lambert’s Law that enabled to interpret the bottom echo and to measure the SB values. The research was conducted in Tidung Island, Jakarta which had several seabed types, such as coral reef, seagrass, sand, silt, clay, mud, and mixed sediment. Acoustic data was acquired using SIMRAD EK15 with the frequency of 200 kHz and sediment grain size was analyzed using Wentworth grain size classification. The results show that the backscattering of each seabed type is different. Sediment with greater mean diameter had greater SB value, and seabed with rougher surface had greater SB value as well.

Analysis of Tidung Island Tourist Perceptions and Preferences Using Importance Performance Analysis Method

The purpose of this research is; A) mapping the perception of tourists on Tidung Island tourism, b) mapping the preferences of tourists on Tidung Island tour. Primary data were obtained from questionnaires distributed to Jakarta citizen (as potential tourists) and tourists (as existing customers), a total of 60 respondents. Aspects in the study include; Product, promotion, transportation, price and service. The Important Performance Analysis (IPA) method is used to analyze the data. The results showed that; Cleanliness and appearance of the site is still considered less attractive by the public in general. There is a GAP between the perceptions of the preference of potential tourists and existing tourists. So to maintain the sustainability of tourism on the Tidung Island, then the cleanliness and appearance of tourist sites should be improved by administrators of Tidung Island

Strategy Development of Community Base Tourism in Tidung Island, Jakarta

The aim of thus study is to establish a community-based tourism development strategy in Tidung Island. Researcher use Strategy Management matrix, In this research, tourist entrepreneurs and tourist as an observation unit and is determined as an analysis unit of the company that is the decision makers are very influential in the company itself, including related Human Resources, Finance, Production, and Marketing. Eigen Factor score is use ase the weighting input data from the results of questionnaires. From the questionnaire, a score is obtained from the average given by the respondents at each key success factors, where in the input process the researcher used IFAS / IFAS Matrix, and in the process of strategy formulation, the researcher used the recommendation from the Grand Matrix Strategy output. The results of the output recommendations, which will then be implemented in the development of community-based tourism on the island of Tidung. Based on the Grand Matrix Strategy chart seen that the outline of Tidung Island tourism into the weak category, where the quadrant Challenges and Weaknesses is much greater than the strength and opportunities. Thus the strategy that can be done is with; improve tourism governance by maximizing the function of tourism development programs of DKI Jakarta Province, encouraging the Provincial Government of DKI Jakarta to allocate funds and attention to alternative tourism such as marine tourism located in Kepulauan Seribu, maximizing Community Service Activities of Higher Education as a medium of knowladge community transfer Tidung Island, improving the mode of transportation and increasing the frequency of ship felling Jakarta - Pulau Tidung.

Suitability Between Ocenography and Seaweed (Eucheuma cottonii) Cultivation Potential in Tidung Island with Geographic Information System (GIS)

The Tidung Island in Kepulauan Seribu District is a tourist destination for both domestic and foreign tourists. However, not all residents of Tidung Island work in the tourism sector. Some work as fishermen. In 2016, local governments developed seaweed cultivation (Eucheuma cottonii) which made some residents switched jobs to seaweed farmers. This study aims to determine which areas are oseanographically appropriate and have potential as a seaweed cultivation development area. The research method use variables of oceanography in the form of substrate type, protected, temperature, depth, current speed, salinity, and pH. The cultivation variable consists of labor, technology, and management. To determine the direction of development, tourism variables which being used consist of distance from tourist sites and the number of supporting facilities. The analysis uses Geographic Information System (GIS) technique and scoring method. The results show in the northern Tidung Island waters are suitable for seaweed cultivation from the point of view of oceanography. However, the development potential is only in U2 segment, which is support by high production quantities, long distance from tourism object, and low number of accommodation makes it potentially to be developed area.

THE EFFECT OF THE EXTENT OF CORAL REEF AREA ON UNIFORM BOTTOM REFLECTANCE DETERMINATION FOR WATER COLUMN CORRECTION USING LANDSAT ETM

In one pixel of 30 meter spatial resolution of Landsat ETM multispectral sensor might consist of mixed bottom substrate types. The influence of a mixture of bottom substrate on the Landsat data can be a source of errors and together with the extent of coral reef area might contribute to affect the determination of uniform bottom reflectance. This study aimed to assess the effect of the extent of coral reef area on uniform bottom reflectance determination for water column correction. Lyzenga method was used for water column correction. This study carried out in two case studies using two sites with different size of coral reef ecosystems area i.e., Tidung island, in the Province of Jakarta and Maratua island, in the Province of East Kalimantan. Tidung island was selected to represent small area of coral reef ecosystem, while Maratua island was selected to represent relatively larger area of coral reef ecosystem. The results showed that the extent of coral reef influenced the determination of training sample areas for uniform bottom reflectance using Landsat ETM. The combination of moderate spatial resolution and the small area of coral reef ecosystem lead to the difficulties for uniform bottom substrate type determination at different depths.

Endemic coastal malaria in the Thousand Islands District, near Jakarta, Indonesia

To conduct malaria surveillance near Jakarta where only imported malaria has been described over the past two decades and to characterize endemicity and risk to heavily populated peri-urban locations. Standard cross-sectional malariometric surveys and mosquito collections at the Thousand Islands District and developing peri-urban areas of Jakarta. During October 2000 outbreak investigations in the Tidung Island group, the slide positive rate was 47% (38%Plasmodium falciparum, 7%P. vivax, and 2% mixed infections) among 733 persons screened. Very few parasitemic inhabitants were symptomatic (<1%), and native residents were more commonly infected than immigrants (odds ratio 1.72), consistent with endemic autochthonous transmission. Adult and larval mosquito collections detected Anopheles sundaicus. In June 2001, prevalence of parasitemia at Pari Island, where sampling was adequate for comparison, remained high, 32%vs. 43% previously. Among 1377 individuals screened at nearby Tangerang District, a heavily populated mainland suburb dominated by fishponds through which many islanders travel to Jakarta, only 19 malaria infections were identified, all imported from Pari Island. Entomological surveillance in Tangerang identified An. subpictus, An. vagus, and An. barbirostris, all considered minor malaria vectors on Java. Malaria is endemic in the Tidung Island group. Imported malaria occurs in the heavily populated Tangerang District where coastal development is increasing and vector breeding sites and demographic patterns lend increasingly to malaria importation and risk of emergent malaria. Careful attention to the impact of coastal development activities on vector populations and efforts to prevent introduction of An. sundaicus are warranted.