Flora of Belize

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The flora of Belize is highly diverse by regional standards, given the country's small geographical extent. Situated on the Caribbean coast of northern Central America the flora and vegetation have been intimately intertwined with Belize's history. The nation itself grew out of British timber extraction activities from the 17th century onwards, at first for logwood (Haematoxylum campechianum) and later for mahogany ( Swietenia macrophylla ), fondly called "red gold" because of its high cost and was much sought after by European aristocracy. Central America generally is thought to have gained much of it characteristic flora during the "Great American interchange" during which time South American elements migrated north after the geological closure of the isthmus of Panama. [1] Few Amazonian elements penetrate as far north as Belize and in species composition the forests of Belize are most similar to the forests of the Petén (Guatemala) and the Yucatán (Mexico). [2]

Contents

Vegetation types

The vegetation of Belize was first systematically surveyed in the 1930s. [3] Recent mapping projects have employed the following principal terrestrial and coastal categories of native vegetation: [4]

Acoelorraphe wrightii, savanna palmetto. Acoeloraphe.JPG
Acoelorraphe wrightii , savanna palmetto.
Curatella americana, the sandpaper tree of the pine forest. Curatella.JPG
Curatella americana , the sandpaper tree of the pine forest.

Plant conservation and forest reserves

Although deforestation continues to be a threat to Belize's natural environment [5] - and to the natural environment of almost all countries in Latin America - much of the native forest remains, facilitating a burgeoning ecotourism sector. The National Parks System Act of 1981 declared numerous protected areas, and the Belizean Government has been working with a prominent non-governmental organization (NGO), the Belize Audubon Society (BAS) to promote nature conservation within the country. Founded in 1969, the BAS assists the Forest Department of the Government of Belize to manage several important forest areas including:

In addition to the above there are numerous other important forest reserves such as:

Chamaedorea oblongata, understorey palm. Chamaedorea oblongata3.jpg
Chamaedorea oblongata , understorey palm.

There are numerous conservation challenges in Belize. One is the extensive recent illegal cutting of the understorey palm's xate ( Chamaedorea spp.). This has a severe effect on the health and reproduction of these characteristic understorey components. [6]

Forests and Deforestation

A remote sensing study conducted by the Water Center for the Humid Tropics of Latin America and the Caribbean (CATHALAC) and NASA, in collaboration with the Forest Department and the Land Information Centre (LIC) of the Government of Belize's Ministry of Natural Resources and the Environment (MNRE), and published in August 2010 revealed that Belize's forest cover in early 2010 was approximately 62.7%, down from 75.9% in late 1980. [5]

A similar study [7] by Belize Tropical Forest Studies and Conservation International revealed similar trends in terms of Belize's forest cover. Both studies indicate that each year, 0.6% of Belize's forest cover is lost, translating to the clearing of an average of 24,835 acres (9,982 hectares) each year. The USAID-supported SERVIR study by CATHALAC, NASA, and the MNRE also showed that Belize's protected areas have been extremely effective in protecting the country's forests. While some 6.4% of forests inside of legally declared protected areas were cleared between 1980 and 2010, over a quarter of forests outside of protected areas had been lost between 1980 and 2010. As a country with a relatively high forest cover and a low deforestation rate, Belize has significant potential for participation in initiatives such as REDD.

Belize had a 2018 Forest Landscape Integrity Index mean score of 6.15/10, ranking it 85th globally out of 172 countries. [8]

Mangroves

While many consider mangrove to be one of Belize's various forest classes, it is important to point out that in Belize, mangroves assume the form of not only forest (dominated by closed formations of mangroves of over 3m tall) but also scrub (dominated by formations of dwarf mangroves below 3m in height), and savanna (areas with scattered mangroves). [9] Because of their importance for shoreline protection and maintenance of fisheries stocks, Belize's mangroves are legally protected under the Forests Act of the Laws of Belize. [10]

A recent study by the World Resources Institute (WRI) indicates that Belize's mangrove ecosystems contribute US $174–249 million per year to the national economy. [11] The clearing of mangroves for development of coastal infrastructure has been recognized as a threat to Belize's mangroves and led to public perception that destruction of mangrove ecosystems was rampant, such as an investigative study in 2008 which indicated unauthorized clearings within the South Water Caye Marine Reserve, [12] and which eventually led to the Belize Barrier Reef System's designation by UNESCO as an endangered World Heritage Site. [13]

With uncertainty regarding actual rates of clearing of Belize's mangrove ecosystems, a recent study [14] funded by the World Wildlife Fund (WWF) has clarified the situation, making use of Landsat satellite imagery to comprehensively examine Belize's mangrove cover. That study, which spanned the thirty years from 1980–2010 and was based on the earlier work of mangrove researcher Simon Zisman, [15] was conducted by the Water Center for the Humid Tropics of Latin America and the Caribbean (CATHALAC) and found that in 2010, mangroves covered some 184,548 acres (74,684 hectares) or 3.4% of Belize's territory. By contrast, it is estimated that in 1980 mangrove cover stood at 188,417 acres (76,250 hectares) - also 3.4% of Belize's territory. Based on Zisman, it is also estimated that Belize's mangrove cover in 1980 represented 98.7% of the pre-colonial extent of those ecosystems. Belize's mangrove cover in 2010 was thus estimated to represent 96.7% of the pre-colonial cover. Where the 2010 update of the World Mangrove Atlas also indicated that a fifth of the world's mangrove ecosystems have been lost since 1980, [16] the case of Belize's mangroves thus stands in stark contrast to the global picture.

Belize's relative mangrove cover declined by 2% from 1980–2010, and in that period, under 4,000 acres of mangroves had been cleared, although clearing of mangroves near Belize's main coastal settlements (e.g. Belize City and San Pedro) was relatively high. The rate of loss of Belize's mangroves - at 0.07% per year between 1980 and 2010 - was much lower than Belize's overall rate of forest clearing (0.6% per year between 1980 and 2010). [17]

Trees

As well as logwood ( Haematoxylon campechianum ) and mahogany ( Swietenia macrophylla ) two other important Belizean timber trees of note are the Santa Maria ( Calophyllum antillanum ) and cedar ( Cedrela mexicana ). Other economically important trees include cotton tree or kapok ( Ceiba pentandra ), and cacao ( Theobroma cacao ). Chicle (Manilkara chicle) is the original chewing gum (made from its gummy sap).

Orchids

Belize has a rich array (some 300 species) of native orchids [18] including Encyclia cochleata var. cochleata, the so-called "black orchid". [19] This is the national flower of Belize. [20]

Palms

Belizean vegetation is characterized by numerous species of palms including the palmettos of the savanna, silver palmetto ( Schippia concolor ), palmetto ( Acoelorraphe wrightii ) and the common coconut palm (Cocos nucifera) found in coastal areas. Other important palms include the cohune palms, cohune ( Attalea cohune ) and warree cohune ( Astrocaryum mexicanum ), as well as the give and take palm ( Chrysophila argentea ), xate palms ( Chamaedorea elegans and Chamaedorea oblongata ), pokenoboy ( Bactris major ), basket tie-tie ( Desmoncus schippii ) and royal palm ( Roystonea oleracea ).

See also

Related Research Articles

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References

  1. ↑ Gentry, A.H. 1982. Neotropical floristic diversity: phytogeographical connections between Central and South America, Pleistocene climatic fluctuations, or an accident of the Andean orogeny? Annals of the Missouri Botanical Garden, 69, 557-593
  2. ↑ Brewer, S. et al. 2003 J. Biogeography 30: 1669- 1688
  3. ↑ Standley, P.C. and Record, S.J. 1936. The forests and flora of British Honduras. Fieldiana, Bot. 12: 1-432
  4. ↑ "BERDS > Mapping". Archived from the original on 2006-06-24. Retrieved 2006-12-04.
  5. 1 2 Cherrington, E.A., Ek, E., Cho, P., Howell, B.F., Hernandez, B.E., Anderson, E.R., Flores, A.I., Garcia, B.C., Sempris, E., and D.E. Irwin. (2010) “Forest cover and Deforestation in Belize: 1980-2010.” Water Center for the Humid Tropics of Latin America and the Caribbean. Panama City, Panama. 42 pp. "Archived copy" (PDF). Archived from the original (PDF) on 2013-07-29. Retrieved 2011-04-29.{{cite web}}: CS1 maint: archived copy as title (link)
  6. ↑ "Xaté palms (Chamaedorea spp.) in Belize - Natural History Museum". Archived from the original on 2006-08-22. Retrieved 2006-12-04.
  7. ↑ "Biodiversity in Belize - Deforestation". biological-diversity.info. Retrieved 2022-03-04.
  8. ↑ Grantham, H. S.; Duncan, A.; Evans, T. D.; Jones, K. R.; Beyer, H. L.; Schuster, R.; Walston, J.; Ray, J. C.; Robinson, J. G.; Callow, M.; Clements, T.; Costa, H. M.; DeGemmis, A.; Elsen, P. R.; Ervin, J.; Franco, P.; Goldman, E.; Goetz, S.; Hansen, A.; Hofsvang, E.; Jantz, P.; Jupiter, S.; Kang, A.; Langhammer, P.; Laurance, W. F.; Lieberman, S.; Linkie, M.; Malhi, Y.; Maxwell, S.; Mendez, M.; Mittermeier, R.; Murray, N. J.; Possingham, H.; Radachowsky, J.; Saatchi, S.; Samper, C.; Silverman, J.; Shapiro, A.; Strassburg, B.; Stevens, T.; Stokes, E.; Taylor, R.; Tear, T.; Tizard, R.; Venter, O.; Visconti, P.; Wang, S.; Watson, J. E. M. (2020). "Anthropogenic modification of forests means only 40% of remaining forests have high ecosystem integrity - Supplementary Material". Nature Communications. 11 (1): 5978. doi: 10.1038/s41467-020-19493-3 . ISSN   2041-1723. PMC   7723057 . PMID   33293507.
  9. ↑ Murray, M.R., Zisman, S.A., Furley, P.A., Munro, D.M., Gibson, J., Ratter, J., Bridgewater, S., Mity, C.D., and C.J. Place. 2003. "The Mangroves of Belize: Part 1. Distribution, Composition and Classification." Forest Ecology and Management 174: 265–279
  10. ↑ Government of Belize (GOB). 2003. "Forests Act Subsidiary Laws." Chapter 213 in: Substantive Laws of Belize. Revised Edition 2003. Government Printer: Belmopan, Belize. 137 pp. "Archived copy" (PDF). Archived from the original (PDF) on 2012-03-13. Retrieved 2016-02-06.{{cite web}}: CS1 maint: archived copy as title (link)
  11. ↑ Cooper, E., Burke, L., and N. Bood. 2009. "Coastal Capital: Belize. The Contribution of Belize's Coral Reefs and Mangroves." WRI Working Paper. World Resources Institute, Washington, DC. 53 pp. http://pdf.wri.org/working_papers/coastal_capital_belize_wp.pdf
  12. ↑ http://ambergriscaye.com/pages/town/art/Pelican_Review.pdf [ bare URL PDF ]
  13. ↑ "Belize Barrier Reef Reserve System and Colombia's los Katios National Park enter UNESCO's Danger List".
  14. ↑ Cherrington, E.A., Hernandez, B.E., Trejos, N.A., Smith, O.A., Anderson, E.R., Flores, A.I., and B.C. Garcia. 2010. "Identification of Threatened and Resilient Mangroves in the Belize Barrier Reef System." Technical report to the World Wildlife Fund. Water Center for the Humid Tropics of Latin America and the Caribbean (CATHALAC) / Regional Visualization & Monitoring System (SERVIR). 28 pp. "Archived copy" (PDF). Archived from the original (PDF) on 2013-07-31. Retrieved 2011-07-25.{{cite web}}: CS1 maint: archived copy as title (link)
  15. ↑ Zisman, S.A. 1998. "Sustainability or Status Quo: Elite Influence and the Political Ecology of Mangrove Exploitation in Belize." Doctoral dissertation, Department of Geography, University of Edinburgh. Edinburgh, Scotland
  16. ↑ The Nature Conservancy (TNC). 2010a. ""World Atlas of Mangroves" Highlights the Importance of and Threats to Mangroves: Mangroves among World's Most Valuable Ecosystems." Press release. Arlington, Virginia. http://www.nature.org/pressroom/press/press4573.html Archived 2010-07-17 at the Wayback Machine
  17. ↑ Cherrington, E.A., Ek, E., Cho, P., Howell, B.F., Hernandez, B.E., Anderson, E.R., Flores, A.I., Garcia, B.C., Sempris, E., and D.E. Irwin. 2010. "Forest Cover and Deforestation in Belize: 1980-2010." Water Center for the Humid Tropics of Latin America and the Caribbean. Panama City, Panama. 42 pp. "Archived copy" (PDF). Archived from the original (PDF) on 2013-07-29. Retrieved 2011-04-29.{{cite web}}: CS1 maint: archived copy as title (link)
  18. ↑ Green, Kim (10 February 2012). "Belize Flora (and fauna)". The Greenery. Archived from the original on 25 September 2020. Retrieved 15 November 2023.
  19. ↑ Williams, L.O. (1956). An enumeration of the Orchidaceae of Central America, British Honduras, and Panama. Ceiba 5: 1-256
  20. ↑ "Biodiversity in Belize - Orchids". biological-diversity.info. Retrieved 2022-03-04.

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