What's Happening?
NASA's Landsat program is instrumental in monitoring Earth's ecosystems and biodiversity. The satellite's ability to measure reflected light in visible and infrared wavelengths allows scientists to assess
plant health and density, aiding in ecosystem management. Landsat data helps map ecosystems like coral reefs and forests, track species distributions, and quantify forest disturbances and regrowth. The program has identified previously unrecognized barrier islands and contributed to global coral reef inventories. Landsat's long-term data record is essential for assessing ecosystem shifts due to climate change, such as Arctic greening and kelp forest collapse.
Why It's Important?
Landsat's contributions to ecosystem management are critical for conservation efforts and understanding environmental changes. By providing accurate maps of ecosystems, the program supports rehabilitation and conservation priorities, ensuring the protection of biodiversity. Its data on forest disturbances and regrowth are vital for carbon accounting models, which are essential for climate change mitigation strategies. Additionally, Landsat's ability to track invasive species helps manage ecological impacts and reduce economic costs associated with their control. The program's insights into ecosystem shifts inform global efforts to adapt to climate change and preserve natural habitats.
