Sentinel-2 standard false-color image of the Dongtinghu Wetland site
The cover image shows a Sentinel-2 standard false-color image of Dongtinghu Wetland site in Hunan Province on April 7, 2022. The bluecolor denotes water, and bright red color represents vegetated wetland. Dongtinghu Wetland is known as "the ecolocical pearl in the middlereaches of Yangtze River" and "the main hope area of saving the world's endangered species. lt is also a national nature reserve and one ofthe first seven wetlands of China listed in the nternational Convntion on Wetlands. The wetlands in this site play an important role in floodstorage, drought prevention, climate requlation, biodiversity maintenance. However, due to the dual threats posed by climate change andhuman activities, the protection of the wetland ecosystem in Donatinghu Wetland site stil faces great pressure. Multisource remote sensintechnology can provide a promising technical approach for stereoscopic monitoring of wetland ecosystems. lt effectively supports thedynamic monitoring of wetlands and facilitates the protection and retoration of wetlands.The 17 papers in this special issue present thelatest research achievements in the field of remote sensing of wetland.