Loss of mangrove forests exacerbates cyclone deaths
Cyclone Nargis – and the devastating tidal surge that followed – has highlighted the potential tragic consequences of pursuing rapid economic expansion while neglecting the environment. (16 May 2008) IRINnews
16 May 2008
BANGKOK (IRIN) - Cyclone Nargis – and the devastating tidal surge that followed – has highlighted the potential tragic consequences of pursuing rapid economic expansion while neglecting the environment.
In recent decades, farmers in Myanmar’s low-lying
Ayeyarwady Delta cleared vast tracts of coastal mangrove forests to expand rice
cultivation and - in the past eight years - to make way for export-oriented
prawn farming.
However, according to specialists, the loss of these
forests – and the protective cover they offered – probably exacerbated the
cyclone’s toll.
Masakazu Kashio, a forest resources officer with the
UN’s Food and Agriculture Organization (FAO), hoped that in the wake of the
disaster, Myanmar authorities would recognise the need to preserve and protect
its remaining mangrove forest – and to rehabilitate much of the degraded cover.
“I really hope the Myanmar government will take this lesson very
seriously, and take more proper action through the participatory approach –
listen to people’s voices,” he told IRIN in Bangkok.
“They should
establish a proper land-use plan and recognise they need to protect the
vulnerable area from disaster from the sea or from flooding water,” he
explained.
Most of the thousands of people who perished when Nargis
slammed into the country on 2 and 3 May are believed to have drowned in the
fierce 3.5m storm surge that swept nearly 40km inland.
The FAO said in a
statement on 15 May that the mangrove forests could have cushioned the impact of
the sea surge.
“Porous barriers such as coastal trees and forests cannot
prevent inundation and inland flooding associated with storm surge,” the FAO
said. But, “there is considerable potential for intact and dense coastal
vegetation to reduce the impacts of waves and currents associated with the storm
surge. Coastal forests can also act as windbreaks in reducing devastation in
coastal communities resulting from cyclones.”
The FAO ran a mangrove
forest rehabilitation project in the region for nearly a decade, until 2001. But
Kashio said, “The pressure to open up more rice production was too strong.”
Trade-offs
Meanwhile, Maria Osbeck, of the
Stockholm Environment Institute (SEI), in Bangkok, said any effort to protect or
rehabilitate mangrove forests had to take into account the interests of the
local population and the government for economic development.
“It’s not enough to talk about the role of
mangroves as a measure to mitigate the impact of natural hazards,” she said
“It’s also about how you can ensure economic development, ensure food security
and still have a functioning eco-system. It’s about trade-offs.”
In
nearby Vietnam, for example, SEI is working with the government, private sector
and coastal communities to develop a US$200 million plan to replant degraded
mangrove forest in certain areas, without impinging on local livelihoods.
“You negotiate where you plant the mangroves, what species, and how many
trees, and how they will be managed,” Osbeck said, adding that a
well-rehabilitated mangrove forest - done in a natural way with a variety of
species - can “contribute to the fish stock, which in the long run will
contribute to the local economy”.
However, Kashio predicted that in the
wake of the Myanmar disaster, many local people might simply opt to leave the
area, making it easier to convert the area back to mangrove forest.
“People will naturally make a decision after the devastating disaster
experience – they recognise this is not a safe place for bringing up their
children for the longer term and in the future,” the FAO official said.
As of 16 May, the official death toll from Nargis stood at more than
43,000, with nearly 28,000 missing, while the Red Cross and UN believe the toll
could top 100,000.
Source: IRINnews.org