Sri Lanka has become the first nation in the world to comprehensively protect all of its mangrove forests.

Sri Lanka has lost an estimated 76% of its mangrove forests over the past 100 years.
A scheme backed by the government will include alternative job training, replanting projects and microloans.
Mangroves are considered to be one of
the world's most at-risk habitats, with more than half being lost or
destroyed in the past century.
Conservationists hope other mangrove-rich nations will follow suit and adopt a similar protection model.
Commenting on the agreement, Sri Lanka
President Maithreepala Sirisena said: "It is the responsibility and the
necessity of all government institutions, private institutions,
non-government organisations, researchers, intelligentsia and civil
community to be united to protect the mangrove ecosystem."
The Sri Lankan government is a joint
partner overseeing the measures, alongside global NGO Seacology, and Sri
Lanka-based Sudeesa, which was formerly known as the Small Fishers
Federation of Lanka.
'Extreme importance'
Seacology executive director Duane
Silverstein said the pioneering framework had "extreme importance as a
model" that could be used throughout the world.
"No nation in history has ever protected
all of its mangrove forests and Sri Lanka is going to be the first one
to do so," he told BBC News.
"This is through a combination of laws, sustainable alternative incomes and mangrove nurseries.
It is also very significant considering the importance of mangroves as a means of sequestering carbon."
"It is not only that mangroves sequester
an order of magnitude more carbon than other types of forest, but it is
sequestered for so much longer.
"In the case of mangroves, it is forecast that this lasts millennia," he observed.
Mangroves are evergreen trees that are found in more than 120 tropical and sub-tropical nations.
They are able to grow in seawater, and
their strong, stilt-like root systems allow them to thrive in swamps,
deltas or coastal areas.
The trees sequester the carbon in the top few metres of soil, which is primarily an anaerobic environment - without oxygen.
As a result, the organisms that usually
lead to the decomposition of organic material are not present, meaning
the carbon remains locked in the environment for longer.
Because of their surrounding habitat and
the lack of readily available fuel, mangrove forests are also not
susceptible to forest fires.
But mangroves also offer coastal communities a more direct and immediate form of protection, explained Mr Silverstein.
"After the 2004 (Indian Ocean) tsunami,
it became evident - particularly in Sri Lanka which was severely
impacted - that those villages that had intact mangroves suffered
significantly less damage than those that did not.
A report by the International Union for
Conservation of Nature (IUCN) published 12 months after the devastating
tsunami compared two coastal villages in Sri Lanka that were hit by the
wall of water.
It showed that two people died in the
settlement with dense mangrove and scrub forest, while up to 6,000
people died in the village without similar vegetation.
"Another advantage of a healthy mangrove
ecosystem is that the stilted root systems serve as nurseries for many
of the fish species that go on to populate coral reefs.
Healthy fish populations, sustained by
healthy mangrove forests, have also provided livelihoods and nutrition
for millions of small-scale fishermen and their families for
generations, allowing coastal communities to sustain themselves.
Costing livelihoods
Anuradha Wickramasinghe, chairman of
Sudeesa, said: "People live in these areas because they depend on the
mangroves because a lot of the fish they catch come from mangroves.
But he added: "Shrimp farmers have been either legally or illegally cutting down mangroves.
Farmed shrimps, or prawns, account for more than half of the global demand for the crustaceans.
A UN report published in November 2012
warned that the growing demand for prawns meant that valuable mangrove
forests were still being felled or were under threat of being felled.
Mr Wickramasinghe told BBC News: "Shrimp
farming results in a significant fall in fish catch yields, so
fishermen are losing income so it costs them their livelihoods.
"So they know about the importance of mangroves and they are keen to protect them.
Mr Silverstein hoped the Sri Lanka protection model would be adopted by other nations.
"We absolutely believe that Sri Lanka's mangrove model will serve as a model for other nations to follow."
The scheme, which will cost US $3.4m
over five years, aims to protect all 8,800 hectares (21,800 acres) of
existing mangrove forests by providing alternative job training, funding
microloans to people in exchange for protecting local mangroves
forests.
It also involves a replanting project, which aims to replace 3,900 hectares of mangroves that had been felled.
Source: BBC
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