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Behind
Indonesia's El Niño Fires
by
Henry Lachowski, Paul Maus, Gary Man,
Chuck Dull, Grahame Applegate, and
Suyanto
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Aerial photograph of West Kalimantan
shows a mosaic of burn scars in
this region of mixed forest and
agriculture |
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El
Niño, once an obscure curiosity, is now feared
by millions for the changes it brings to weather and
climate worldwide. Indonesia is no exception. El Niño
is blamed for 2 dry years-1997 and 1998- when millions
of acres of forest and agricultural land burned on the
islands of Borneo and Sumatra. Together, the islands
comprise much of Indonesia, a nation with the world's
third largest area of tropical rainforest, much of it
threatened by deforestation. What caused the El Niño
fires to spread out of control?
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To
find the answer, the U.S.
Agency for International Development assembled
a team of scientists from the Center
for International Forestry Research, the
International
Centre for Research in Agroforestry, and the USDA
Forest Service's Remote Sensing Applications Center.
The
team collected information from sources ranging from
Earth-observing satellites to interviews with local
villagers. The team prepared detailed maps of eight
study areas with common factors that contributed to
the fires. The most important contributing factors are
weather patterns, previous deforestation, increased
human access to forest areas, and, above all, an unsettled
land tenure system. In areas where social structures
and property ownership are stable, forests were actively
protected from large, destructive fires. In areas of
unstable land tenure, fires typically burned out of
control.
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for one: by tracking the locations of hotspots with
weather satellite images, researchers hope to determine
the causes and impacts of fire. |
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The
study concluded that the Government of Indonesia, with
support from the international community, must continue
to work on policies to mitigate the underlying problems.
Key changes might include establishing fair, impartial,
and transparent legal proceedings to resolve property
disputes; eliminating perverse incentives for forest
conversion to other uses, such as oil palm plantations;
developing a better fire protection and management infrastructure;
and strengthening the protection of national parklands.
With
the return of wetter weather, severe fires have not
recurred. But so long as the underlying causes of the
El Niño fires persist, it's only a matter of
time.
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Henry
Lachowski, Paul Maus, Gary Man, and Chuck Dull work
for the USDA Forest Service, Washington, DC; Grahame
Applegate is with the Center for International Forestry
Research, Bogor, Indonesia; and Suyanto is with the
International Centre for Research in Agroforestry, Bogor,
Indonesia.

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