Science Heritage Journal (GWS)3(2) (2019) 01-05 Science Heritage Journal (GWS) DOI: http://doi.org/10.26480/gws.02.2019.01.05 ISSN: 2521-0858 (Print) ISSN: 2521-0866 (Online) CODEN: SHJCAS RESEARCH ARTICLE MAPPING MANGROVE DEGRADATION IN PAHANG RIVER ESTUARY, PEKAN PAHANG BY USING REMOTE SENSING Zuhairi, A*, Zaleha, K*, Nur Suhaila, MR, Muhammad Shaheed, S Department of Marine Science, Kulliyah of Science, International Islamic University Malaysia, Jalan Sultan Ahmad Shah, Bandar Indera Mahkota, 25200, Kuantan, Pahang, Malaysia *Corresponding Author Email:
[email protected] This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited ARTICLE DETAILS ABSTRACT Article History: This study examined the mangrove degradation in Pahang River Estuary, Pekan sub-district, Pahang between 1990 and 2017 using supervised classification. Landsat 8 OLI and Landsat 5 TM images of Pahang River Estuary have Received 01 February 2019 been analyzed using supervised classification and field survey. Based on the accuracy assessment, the confusion Accepted 28 March 2019 matrix for supervised classifications ranged from 77% to 81%. Kappa coefficient (K) for supervised classification Available online 2019 ranged between the value of 0.67 and 0.72. The total mangrove covers in 2017 was 1,535.40 ha, decreased by 43.7% or 670.80 ha from its total area of 2,206.20 ha in 1990. The expansion of development area was observed in the past 28 March 27 years. Several other causes of mangrove degradation were identified during field survey, including sand mining activities along riverbank, mangrove clearing for aquaculture and agriculture.