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Massive deforestation of mangroves may have worsened scale of disaster in Burma Jeremy Hance, mongabay.com May 13, 2008
Mangroves are saline coastal forests that include heavy biomasses of trees and shrubs. Such forests are essential in protecting the coastal regions they surround from erosion, but they have also been shown to help mitigate the effects of tropical storms by buffering coastal communities against hurricane-like winds and tidal surges. According to an article in the Wall Street Journal, the Irrawaddy Delta—where Nagris struck—lost 83 percent of its mangroves from 1924 to 1999. The deforestation of mangroves began with British colonial rule with their desire to turn Irrawaddy into one of the world's most productive sources of rice. Yet, destruction continued through the democratic republic and the military regime that now rules Myanmar. Mangroves are still destroyed for coastal development and logging. Reports have also stated that the poor of Rangoon consume mangrove forests for fuel.
The tsunami of 2004 brought home to many the importance of mangroves. As reported by the BBC, a study conducted by the IUCN found that mangroves in Sri Lanka may have saved thousands of lives. Two people perished in the tsunami in a village protected by mangroves and other vegetation, while a nearby village, lacking mangroves, lost 6,000 people to the tsunami. Such studies have prompted nations like India and Bangladesh to implement programs of replanting mangrove forests as buffers against natural disasters. Although, Bangladesh has the highest population density in the world, it has lost only 1 percent of its total forest cover since the 1990s and has actually increased its mangrove forests.
Many scientists see a direct connection between mangroves and their effect on mitigating the scale of storms. However the research of the connection is still young and much of it related to the 2004 tsunamis. It may be some time before scientists fully understand the full mitigation effects of mangrove, though their importance for biodiversity, erosion, and CO2 sequestering should also not discounted. Mangrove Action Project Related Agriculture is primary driver of mangrove destruction (10/31/2007) Agricultural expansion -- not shrimp farming -- is driving the rapid destruction of the world's mangrove forests, reports a new study published in the Journal of Biogeography. Mangroves more threatened than rainforests (7/5/2007) Destruction of mangrove forests could leave the world deprived of their important ecological services by the end of a century, warns an international team of scientists writing in the July 6th issue of the journal Science. Enthusiasm for tsunami-buffering mangrove projects waning (12/19/2005) Research over the past year has shown that areas buffered by coastal forests, like mangroves, were less damaged by the 2004 tsunami than areas without tree vegetation. Accordingly, governments in tsunami-affected countries have proposed mangrove restoration projects along their coasts as a protective bioshield against storm damage. Mangrove forests protected areas from 2004 tsunami says new study (11/18/2005) A study released in late October shows that areas buffered by coastal forests, like mangroves, were less damaged by the 2004 tsunami than areas without tree vegetation. Last week the FAO reported that 20% of the world's mangrove forests have disappeared since 1980.
Tags: mangroves disasters forests farming hurricanes deforestation burma myanmar asia jeremy hance agriculture environment green News index | RSS | News Feed | Twitter | Home Advertisements: Organic Apparel from Patagonia | Insect-repelling clothing
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