1 / 16

Suitability Analysis for Seaweed Farming in Tarakan, Indonesia

Suitability Analysis for Seaweed Farming in Tarakan, Indonesia. Gatot H. Pramono, Ratna Sari Dewi, Suwahyuono, Mone Iye C. BAKOSURTANAL (National Coordinating Agency for Surveys and Mapping) Jl. Raya Jakarta – Bogor KM. 46 – Cibinong 16911 Indonesia. Background.

fallon
Download Presentation

Suitability Analysis for Seaweed Farming in Tarakan, Indonesia

An Image/Link below is provided (as is) to download presentation Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author. Content is provided to you AS IS for your information and personal use only. Download presentation by click this link. While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server. During download, if you can't get a presentation, the file might be deleted by the publisher.

E N D

Presentation Transcript

  1. Suitability Analysis for Seaweed Farming in Tarakan, Indonesia Gatot H. Pramono, Ratna Sari Dewi, Suwahyuono, Mone Iye C BAKOSURTANAL(National Coordinating Agency for Surveys and Mapping) Jl. Raya Jakarta – Bogor KM. 46 – Cibinong 16911 Indonesia

  2. Background • Referring to wide variety of seaweed uses, the farming of seaweeds is an important aspect for economic benefits. The extract of seaweeds can be used for domestic and international needs. • Seaweed growth depends largely on the specific environment. • The question is where are the most suitable coastal areas for seaweed farming? • The answer to this question will be very useful for local government and investors to do the aqua culture.

  3. Objective The main objective of this study is to : • identify the most suitable coastal areas for seaweed farming. • generate the suitability maps for seaweed farming.

  4. Study Area • The area for this study is in Tarakan island, east Kalimantan province, Indonesia. Tarakan island is located between 3º14.5’-3º25.0’ North and 117º31.8’’-117º38.0’’ East. It is divided into four districts: East, Center, West and North Tarakan. Malaysia Tarakan island

  5. Methodology The three stages to carry out this study are as follows: • Data collection • Suitability Analysis • Data Processing

  6. Data Collection (1) Consist of: • Topographic maps from BAKOSURTANAL scale 1:50.000 • Coastal and marine data from MCRM Project • Physical properties of coastal areas from field survey.

  7. Data collection (2) • Parameters obtained from field survey (Table 1) No. Parameters Range 1 Dissolved oxygen 4.62 – 8.45 mg/l 2 Salinity 24.6 – 31.0 ppt 3 Temperature 28.3 – 31.2 ºC 4 Clarity 0 – 93 % 5 pH 6 – 8 6 Turbidity 1 – 50 NTU 7 Conductivity 17.2 – 43.8 mS/cm

  8. Suitability Analysis (1) There are four levels of suitability: • Highly suitable (S1) • Suitable (S2) • Conditionally suitable (S3) • Not suitable (N) • (Wiradisastra, 2004)

  9. Suitability Analysis (2) • Suitability for seaweed farming (Table 2) Parameters S1 [80] S2 [60] S3 [40] N [1] Depth (m)[35] 1 – 5 < 1 > 5 Dissolved oxygen (mg/I)[10] > 6 >5 – 6 4 - 5 < 4 Salinity (ppt)[10] 28 – 36 >20 – 28 12 – 20 < 12 > 36 Temperature (0C)[10] 26 – 31 24 – <26 20 – <24 < 20 >31 – 33 >33 – 35 > 35 Clarity (%)[25] >75 50 – 75 25 – <50 < 25 pH[10] 7,5 - 8,5 7 - <7,5 >8.7 – 8.8 < 6.5 >8.5 – 8.7 6.5 – <7 > 8.8 (Wiradisastra, 2004)

  10. Suitability Analysis (3) • The above parameters can be calculated using two available methods: matching and scoring. • Matching approach considers the minimum suitability level of a parameter as the final suitability. • Scoring method considers the weight and limit of analysis.

  11. Data Processing • The data is processed using geographic information system (GIS). There are three main steps as follows: • Data Preparation • Overlay • Matching and scoring

  12. Result (1) • The suitability map of seaweed based on matching method suitable (S2) Not suitable (N) Conditionally Suitable (S3) Highly Suitable (S1)

  13. Result (2) • The suitability map of seaweed based on scoring method suitable (S2) Not suitable (N) Conditionally Suitable (S3) Highly Suitable (S1)

  14. Result (3) • Table 3. Area of seaweed suitability Matching Scoring (km2) (km2) Highly suitable (S1) 0 0 Suitable (S2) 39 219,6 Conditionally suitable (S3) 180,8 141,4 * Scoring method could result in higher suitability level than the result of matching approach.

  15. Conclusion & Recommendation • Geographic information system (GIS) is able to perform suitability analysis of seaweed farming in Tarakan, east Kalimantan province. • The scoring approach predicts more areas with suitable level. • The results of this study should be verified by trying to farm seaweed in the suitable areas. • Further study would be to identify the appropriateness of the used parameters, whether by removing certain parameter or adding other parameters. • The weight and minimum suitable values should also be evaluated to achieve an optimum suitability analysis.

  16. TERIMAKASIH

More Related