ResearchBlogging.orgHere’s a quick post on the mangrove forest covering of the Philippines circa 2000.

In an article published in Sensors [1], J.B. Long and C. Giri of the USGS mapped the mangrove forest distribution of the Philippines.  They used the publicly available Landsat data (mostly from the Global Land Survey).  By mapping out the spatial distribution of the forest for the entire country, they provide available data which “may assist the decision making processes for rehabilitation and conservation efforts” of these forests.

The forest distribution overlayed with the Philippine map is shown below.

Courtesy: JB Long and C. Giri, Sensors 2011, 11(3), 2972-2981.

The Philippines has a relatively high mangrove diversity with 35 true mangrove species.  It ranks 5th among countries with the most number of endemic species {Indonesia (43), Malaysia (41), Australia (37), and Papua New Guinea (37)}.

While the Department of Environment and Natural Resources came up with relatively the same value for the total mangrove forest area as these guys from USGS, the DENR didn’t present its estimate with spatial distribution as accurate as this for the entire country.

I am also surprised that the authors are neither from the Philippines nor Filipinos.


[1] Long, J., & Giri, C. (2011). Mapping the Philippines’ Mangrove Forests Using Landsat Imagery Sensors, 11 (3), 2972-2981 DOI: 10.3390/s110302972