STATUS AND TRENDS IN MANGROVE AREA EXTENT WORLDWIDE

Micronesia

Vegetation description

Mangroves are extensive in tidally inundated areas and are composed of Rhizophora sp., Bruguiera gymnorrhiza, Sonneratia alba, Lumnitzera littorea, Xylocarpus granatum, Nypa fruticans and Acrostichum sp., increasing in height and declining in species richness eastwards.

MacLean, C.D., Whitesell, C.D., Cole, T.G. & McDuffie, K.E. 1988. Timber resources of Kosrae, Pohnpei, Truk, and Yap, Federated States of Micronesia. USDA Forest Resource Bulletin PSW-24.
Mueller-Dombois, D. & F. R. Fosberg. 1998. Vegetation of the tropical Pacific islands. Springer-Verlag, New York. 733 pp.

National level mangrove area estimates

Year

Area
(ha)

Source

Trend

Methodology/Comments

1983

8 564

McLean, C. D., C. D. Whitesell, T. G. Cole, and K. E. McDuffie. 1988. Timber resources of Kosrae, Pohnpei, Truk, and Yap, Federated States of Micronesia. Pac. SW Forest & Range Expt. Sta. Resource Bull. PSW-24. USDA Forest Service. 8 pp.

X

Compilation of previous studies based on aerial photos (dated 1976) combined with field sampling in 1983.

Trends in mangrove area extent over time

No major changes appear to have occurred in this country over the last twenty years.

Year	Area (ha)	Source	Trend	Methodology/Comments
1983	8 564	McLean, C. D., C. D. Whitesell, T. G. Cole, and K. E. McDuffie. 1988. Timber resources of Kosrae, Pohnpei, Truk, and Yap, Federated States of Micronesia. Pac. SW Forest & Range Expt. Sta. Resource Bull. PSW-24. USDA Forest Service. 8 pp.	X	Compilation of previous studies based on aerial photos (dated 1976) combined with field sampling in 1983.