Comparison of Mangrove Index (MI) and Normalized Difference Vegetation Index (NDVI) for the detection of degraded mangroves in Alas Purwo Banyuwangi and Segara Anakan Cilacap, Indonesia - Gathot Winarso; Mohammad Syamsu Rosid; Muhammad Kamal; Wikanti Asriningrum; Chris Margules; Jatna Supriatna (Ecological Engineering, 2023)