With drones, lasers, Costa Rica seeks to track its forests
Costa Rica has long monitored its forests and the carbon they hold but it hopes to soon have a cheaper and more effective way to do it: By drone. Deep Forest, a project backed by environmental group Fundecor, semiconductor manufacturer Intel and San Jose-based Aerial Robotixs, aims to give scientists a better idea of what is happening in the country’s forest canopy, and allow more frequent monitoring. “There are many ways of taking these metrics but none with this level of resolution,” said Felipe Carazo, the executive director of Fundecor, a non-governmental organization that works on sustainable forest management. “Here the advantage is the precision in a scheme that is cost-effective,” Carazo said at a Congress of Sustainability, Ecology and Evolution in San Jose.
The project will use a drone to fly over remote areas of forest, using a built-in laser to “scan” the forest. The effort, still in an experimental phase, will scan three forests near the Costa Rican city of Guapiles this year, said its backers, who are financially supporting the test. They say the method could scale up to help many countries monitor their forests more accurately - a step both towards reducing emissions from forest loss and tapping into the market for carbon credits from forest protection. “It could help the region to fulfill the commitments we signed in the Paris Agreement,” said Timothy Scott, Intel’s governmental affairs manager.
The project is not the first to use advanced technology to monitor Costa Rica’s forests. The Iraz? project, a forest satellite monitoring system, also will track forests using a satellite launched in April. Around the world, drones are being used increasingly to gauge the health of forests, monitor illegal deforestation, and even replant forests from the air.
For Ruperto Quesada, a researcher at the Center for Research in Forest Innovation at the Technological Institute of Costa Rica (TEC), the technologies simply reinforce monitoring of forests that has gone on for more than 30 years in Costa Rica. “In the end, the important thing in a country like ours is to guarantee the existence of forest,” he said. That, “in itself, guarantees the absorption of carbon, controls soil erosion, conserves biodiversity and provides other ecosystem services”.
In part because of its monitoring systems, Costa Rica is the only country in Latin America to substantially reverse its rate of deforestation. The area of the country covered in forest has risen from a quarter in 1983 to more than half in 2010, according to United Nations data.
Costa Rica’s decades of forest monitoring data make it easier to develop algorithms to analyse drone footage and judge what is changing in the forest, Carazo said.