Conservation Tools: Satellites Sound Fire Alarm in Tropical Forests

This is the latest post in Human Nature’s “Conservation Tools” blog series, which spotlights how cutting-edge technology is helping scientists explore and protect the natural world.

A burning forest in Madagascar. (© Haroldo Castro)

A burning forest in Madagascar. (© Haroldo Castro)

At the new national park in Madagascar’s remote Baly Bay, villagers convene for an unusual festival.

At this annual event hosted by Durrell Wildlife Conservation Trust, the villagers wait for the announcement of the winners of a yearlong competition. For this contest, villages are scored on the number of fires that broke out within their assigned zones and how effective their communities were at responding and controlling fire spread.

How do the villagers know when and where to respond to a fire in a 1,000 square-kilometer (almost 400 square-mile) area in and around the national park? They’re using intelligence from NASA satellites, via technology created by CI.

Fire has always been an element of life on Earth. Yet as climate change triggers more fire seasons, and deforestation and habitat degradation increase landscapes’ susceptibility to burn, it has never been a bigger threat.

Aside from their direct threat on human life, drought and fires have a detrimental impact on biodiversity. For example, Baly Bay is home to the plowshare tortoise, one of the world’s most threatened tortoises with only 2,000 individuals left in the wild. The species’ habitat is under serious threat from fires.

In addition, fires threaten the provision of ecosystem services like water availability, water quality and pollination. And it’s a vicious cycle; the burning and clearing of tropical forests is currently responsible for 11% of global greenhouse gas emissions, further exacerbating climate change.

Fires also cause economic strain, displacement, food insecurity and poor health. Smoke and haze pollution from the intense fire season of 1998 cost Indonesia up to US$ 800 million in health care costs, reduced tourism and loss in business productivity.

Thanks to cutting-edge technology, we can now detect fires and predict fire threat to prevent and respond to these fires earlier than ever — by viewing Earth’s changing biosphere from space.

CI designed Firecast to help people in remote forests make day-to-day decisions to prevent the destructive effects of fires on natural habitat and human well-being. Firecast packages intelligence from satellites and delivers it to the people who are responsible for making conservation decisions, but who do not have the technical capacity, hardware/software or Internet bandwidth to access the satellite data themselves.

Currently monitoring forests in four countries (Peru, Bolivia, Madagascar and Indonesia), the system retrieves near real-time fire detection from NASA satellites, which show “deforestation in action” — alerting about immediate threats and revealing trends of anthropogenic change.

This data is then sent via daily, customized alerts to fire and forest service departments, conservation organizations, park rangers and local residents who sign up to receive the free alerts. They then use the information for various activities, including policing and enforcement of illegal activities, land-use management and implementing national policies for sustainable development.

Firecast doesn’t just monitor current fire destruction — it can also be used as a forecasting tool. It does this by using satellite-derived weather conditions to make predictions for where fires are likely to break out or spread. Daily and seasonal fire risk forecasts provide valuable forecasting information to decision-makers to prevent ignition and spread of fires during elevated fire weather conditions.

Since 2009, a Bolivian conservation organization, Fundación Amigos de la Naturaleza (FAN), has been using CI’s daily forest flammability risk data to warn local farming communities in the department of Santa Cruz about dangerous conditions.

FAN works directly with 34 communities (about 10,000 people), teaching them the ecological, health and economic risks of burning agricultural fields during peak fire conditions. The communities have sign posts with a lever that is adjusted daily based on CI’s index of forest flammability — similar to the Smokey the Bear warning system in the U.S., which assesses fire risk as low, medium or high.

Firecast is a novel system because it allows users to be proactive about fire threats instead of just reacting to fire incidents, therefore preventing deforestation, avoiding emissions and keeping reserves of some of the planet’s most valuable “natural capital” intact.

This July 16 map shows the risk of forest fire in the Amazon region due to drought conditions. Red and orange indicate an elevated threat.

This July 16 map shows the risk of forest fire in the Amazon region due to drought conditions. Red and orange indicate an elevated threat.

NASA just gave CI a US$ 1.1 million grant to continue development and outreach for Firecast. Over the next few years, we will be enhancing the user interface, providing new satellite-derived products and conducting local workshops and training sessions to build in-country capacity in using early warning systems to preserve valuable natural areas.

We highly value feedback from users and encourage anyone interested to sign up and let us know how to continue improving the system to best meet the challenges decision-makers face.

We may never be able to completely prevent deforestation and habitat degradation from wildfire, resource extraction and agricultural expansion in remote areas, but thanks to this remarkable technology, we are closer than ever before.

Karyn Tabor is the director of ecosystem modeling and early warning systems in CI’s Betty and Gordon Moore Center for Science and Oceans. Thanks to Joanna Durbin for her contribution to this post.

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