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ITS » Master Theses » Teknik Manajemen Pantai - S2 Posted by hargi at 07/12/2006 15:03:13 • 7926 Views
EVALUASI SEBARAN DAN KONDISI TERUMBU KARANG MENGGUNAKAN TEKNOLOGI PENGINDERAAN JAUH DAN METODE MANTA TOW DI KAB.BENGKAYANGCreated by :
HANDOKO, KRIS
| Subject: | Penginderaan jarak jauh | | Keyword: | Terumbu karang Metode Manta Tow |
Description:
Kabupaten Bengkayang memiliki 12 pulau dengan gugusan terumbu karang yang sangat potensial namun rawan terhadap ancaman kerusakan. Pengelolaan sumberdaya alam memerlukan informasi yang akurat tentang status kondisi terumbu karang yang ada. Penelitian ini menyajikan evaluasi sebaran dan kondisi terumbu karang di Kabupaten Bengkayang. Metodologi yang digunakan adalah kombinasi dari teknologi penginderaan jauh dengan metode manta tow. Pengolahan citra Landsat TM terbagi atas 3 tahapan. Tahap pertama yaitu pre âââ‰â¬Å klasifikasi yang terdiri atas pemulihan citra pemotongan citra, penajaman citra, pengambilan training area dan analisis citra dengan menggunakan algoritma Lyzenga. Tahap selanjutnya adalah klasifikasi dengan menggunakan klasifikasi hybrida. Tahap akhir adalah post klasifikasi, yaitu dengan mencocokkan hasil klasifikasi hybrida dengan data manta tow untuk memeriksa ketepatan dan ketelitian dari klasifikasi, dengan hasil uji ketelitian keseluruhan adalah 85,19%.
Berdasarkan perhitungan statistik terhadap kelas hasil klasifikasi yaitu Pulau Lemukutan memiliki karang hidup 138,78 ha, karang mati 23,40 ha, lamun 32,67 ha dan pasir 71,55 ha; Pulau Randayan memiliki karang hidup 4,50 ha, karang mati 3,69 ha, lamun 0,63 ha dan pasir 4,77 ha; Pulau Penata memiliki karang hidup 33,57 ha, karang mati 15,39 ha, lamun 11,07 ha dan pasir 21,96 ha; Pulau Kabung memiliki karang hidup 20,25 ha, karang mati 9 ha, lamun 5,85 ha dan pasir 7,47 ha. Hasil survei lapangan dengan menggunakan metode manta tow diketahui bahwa keadaan terumbu karang dalam kondisi baik pada Pulau Lemukutan sedangkan di sebelah Timur Pulau Randayan dalam kondisi yang rusak.
Alt. Description
Bengkayang regency has 12 islands with potential coral reefs; unfortunately these coral reefs are threatened to damage. To overcome this problem management of coral reef is badly needed and accurate information about the condition of these coral reefs is required. This research presents an evaluation of distribution and condition of coral reef in Bengkayang Regency. The methodology used is a combination of remote sensing technology, Landsat TM image processing, and manta tow method. The processing of image of Landsat Thematic Mapper (TM) divided into three main stages. The first stage is preâââ‰â¬Åclassification which consists of image restoration, cropping, image enhancement, training area taking and image analysis (using algorithm Lyzenga). While the second stage is hybrid classification and the final stage that is post classification, the result of hybrid classification was compared with field data from manta tow to know the accuracy of classification, with the overall accuracy is 85.19%.
According to statistical calculation on classification result, Lemukutan island has living coral of 138.78 ha, dead coral of 23.40 ha, sea grass of 32.67 ha and sand of 71.55 ha; while Randayan island has living coral 4.50 ha, dead coral of 3.69 ha, sea grass of 0.63 ha and sand of 4.77 ha; Penata and Kabung islands have 33.57 and 20.25 ha of living coral, 15.39 and 9 ha of dead coral, 11.07 and 5.85 ha of sea grass and 21.96 and 7.47 ha of sand. Meanwhile, the result of field survey using manta tow, the condition of coral reef in Lemukutan Island is in a good condition while that in Randayan Island, the east part is bad.
| Contributor | : |
- Dr. Ing Ir. Teguh Hariyanto, M.Sc.
Ir. Arief Suroso, M.Sc.
| | Date Create | : | 07/12/2006 | | Type | : | Text | | Language | : | Indonesian | | Identifier | : | ITS-Master-3100003018397 | | Collection ID | : | RTKe 621.367 8 Han e | | Call Number | : | 621.367 8 Han |
Coverage : ITS Community only
Rights : Copyright @2006 by ITS Library. This publication is protected by copyright and permission should be obtained from the ITS Library prior to any prohibited reproduction, storage in a retrievel system, or transmission in any form or by any means, electronic, mechanical, photocopying, recording, or likewise. For information regarding permission(s), write to ITS Library
Publication URL : http://digilib.its.ac.id/evaluasi-sebaran-dan-kondisi-terumbu-karang-menggunakan-teknologi-penginderaan-jauh-dan-metode-manta-tow-di-kabbengkayang-27.html
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