@article{Wahiddin_Siregar_Nababan_Jaya_Wouthuyzen_2015, title={CHANGE DETECTION OF CORAL REEF HABITAT USING LANDSAT IMAGERY IN MOROTAI ISLAND NORTH MALUKU PROVINCE}, volume={6}, url={https://journal.ipb.ac.id/index.php/jurnalikt/article/view/9026}, DOI={10.29244/jitkt.v6i2.9026}, abstractNote={<h2><em>ABSTRACT</em></h2> <p><em>Scientific information on coral reef habitat changes of Morotai island is very limited to none. </em><em>This study aim</em><em>ed</em><em> to detect the change of coral reef habitats between 1996 and 2013, using Landsat imagery integrated with field data in 2012. The research was conducted in the coral reef </em><em>ecosystem </em><em>of Morotai Island in North Maluku province</em><em>.</em><em> Change detection analys</em><em>e</em><em>s </em><em>were conducted</em><em> using supervised classifications and transformation depth invariant index (DII), with five habitat classes</em><em> i.e.</em><em>, mixed-habitat, coral, seagrass, sand</em><em>,</em><em> and rubble. The result showed that in 1996-2002 there was a significant increase in the mix-habitat and rubble classes (1</em><em>1</em><em>.</em><em>3</em><em>% and </em><em>3</em><em>2.5%), </em><em> however,  there  was  a siginifcant decrease in </em><em>the sand, seagrass</em><em>,</em><em> and coral classes </em><em>of -</em><em>1</em><em>4</em><em>.</em><em>1</em><em>%, </em><em>-</em><em>1</em><em>4</em><em>.</em><em>9</em><em>%</em><em>,</em><em> and </em><em>-</em><em>1</em><em>6</em><em>.</em><em>6</em><em>%</em><em>,</em><em> respectively. In 2002-2013, mixed-habitat, sand</em><em>,</em><em> and seagrass classes were increase by 1.1%, 1</em><em>3</em><em>.</em><em>3</em><em>%</em><em>,</em><em> and </em><em>24.7</em><em>8%, </em><em>respectively.  Mean</em><em>while, coral and rubble classes were decrease</em><em> by</em><em> </em><em>-</em><em>2</em><em>2</em><em>.</em><em>7</em><em>% and </em><em>-27</em><em>.0%</em><em>, respectively</em><em>.</em><em> Within the period of</em><em> </em><em>1996-2013, there was about 43.6% loss of coral reef of Morotai island.  This was probably caused by the increase of seas surface temperature nad </em><em>and the increas</em><em>e</em><em> of human activities</em><em> in the region</em><em>.</em><em> </em></p> <p><em> </em></p> <p><strong><em>Keyword</em></strong><strong><em>s</em></strong><em>: coral reef habitats, Landsat, change detection, Morotai Island</em><em></em></p&gt;}, number={2}, journal={Jurnal Ilmu dan Teknologi Kelautan Tropis}, author={Wahiddin, Nurhalis and SiregarVincentius P and Nababan, Bisman and Jaya, Indra and Wouthuyzen, Sam}, year={2015}, month={Feb.} }