Analisis Perubahan Kawasan Hutan Mangrove Menggunakan Citra Landsat di Kawasan Taman Nasional Baluran Kabupaten Situbondo Jawa Timur Tahun 2002 dan 2017

Mangrove is one of preserved object in Baluran National Park. However, mangrove in Baluran National Park is decreased recently. Mangrove area change mapping is critical to be conducted to identify mangrove locations where have change and factors that caused mangrove area change. The objectives of this research are 1) Mapping the distribution of mangrove in Baluran National Park in 2002 and 2017, 2) Determining various factors that lead to mangrove area change in 2002 and 2017. This research utilized Landsat 7 ETM+ and Landsat 8 OLI image that obtained in 2002 and 2017. Landsat 7 ETM+ and Landsat 8 OLI interpreted digitally by providing Region of Interest on land cover objects to indentify mangrove area distribution. Results of given region of interest are applied to classify land cover object by using supervised maximum likelihood method. Classified objects on the map are used as field observation reference for accuracy assessment and analyzing any factors that caused mangrove area change. Results of this research indicate that the mangrove area in 2002 was 159,331 and reduced into 150,300Ha in 2017. The degraded area are identified in Bama Resort and Perengan Resort. Mangrove area reduction was caused by human activities who cut down the mangrove vegetation. Moreover, domestic waste accumulation around mangrove and plagues in mangrove vegetation also contributes on mangrove area degradation. In Contrast, mangrove area in Labuhan Merak Resort and Balanan Resort are increased 53,85% from 195,490Ha in 2002 into 300,780Ha