STATUS AND TRENDS IN MANGROVE AREA EXTENT WORLDWIDE (original) (raw)
Guyana
Vegetation description
Mangroves spread along the Atlantic coast in brackish waters. The canopy is at best 20 to 25 m but often is as low as 12 m. The four Caribbean genera_, Rhizophora, Avicennia, Laguncularia_ and Conocarpus, are represented.
Fanshawe, D.B. 1952. The vegetation of British Guyana. A preliminary review. Institute Paper No. 29. Oxford, I.F.I.
National level mangrove area estimates
| Year | Area (ha) | Source | Trend | Methodology/Comments |
|---|---|---|---|---|
| 1980 | 91 000 | FAO, UNEP. 1981. Los Recursos Forestales de la America Tropical. Proyecto de Evaluaci�n de los Recursos Forestales Tropicales (en el marco de SINUVIMA). FAO, UNEP, Rome, 349 pp. | X | Estimation and updating based on: FAO. 1970. Forest Industries Development of the more accesible forest areas. Based on the work of R. de Milde and D. de Groot. FO:SF/GUY 9 Technical Report 8 - Georgetown. |
| 1980 | 620 000 | Unesco/C.I.T.V. nd. Vegetation Map of South America | Cited in: FAO, UNEP. 1981. Los Recursos Forestales de la America Tropical. Proyecto de Evaluaci�n de los Recursos Forestales Tropicales (en el marco de SINUVIMA). FAO, UNEP, Rome, 349 pp. The figure is considered an over estimate. | |
| 1983 | 150 000 | Saenger, P., Hegerl E.J. and J.D.S., Davie. 1983. Global status of mangrove ecosystems. Commission on Ecology Papers No.3. IUCN. Gland, Switzerland. 88 pp. | Secondary reference, no primary source provided. The "Year" is the publication year. | |
| 1989 | 80 000 | GFC/CID. 1989. National Forestry Action Plan 1990-2000. Guyana Forestry Commission/Canadian International Development Agency, Georgetown, Guyana. | Cited in Spalding, M.D., Blasco, F. and Field, C.D., eds. 1997. World Mangrove Atlas. The International Society for Mangrove Ecosystems, Okinawa, Japan. 178 pp. The "Year" is the publication year. | |
| 1994 | 80 400 | The Guyana Forestry Commission. nd. Forestry in Guyana | X | The report contains original data but it does not specify the methodology used. |
| 1995 | 71 700 | Spalding, M.D., Blasco, F. and Field, C.D., eds. 1997. World Mangrove Atlas. The International Society for Mangrove Ecosystems, Okinawa, Japan. 178 pp. | Map analysis. Scale unknown. | |
| 1996 | 159 000 | Cited in: Forest World. n.d. The Sustainable Forest Products Resource. http://forestworld.com/public/country/countryframe.html. | The methodology is not specified. Data based on a collection of documents. |
Trends in mangrove area extent over time
