In the winter of 1997-1998, its number decreases to 848. Wintering Red-crowned Crane. Wang Hui Many habitats for Red-crowned Crane were lost before people take a way to protect them. So it is difficult for management the habitats. For high economy benefits, the government encourages local residents to reclaim the tidal lands for planting rice and cotton.
Local people embank the ponds for aquiculture.
All these human activities change or destroy the habitat for Red-crowned Crane. It is very urgent to manage the habitats for Red-crowned Crane using scientific technique and find some effective ways to protect them. Providing a demonstration of effective management habitats for Red-crowned Crane. Study Area Yancheng Biosphere Reserve was established in 1983. The dominant plant species in grassy tidal lands are Cogongrass Imperate cylindrica var.