Therefore, water hitting developed land "will wind up elsewhere" and cause nearby flooding.
In 2002 developed land had increased 15 percent over 1985 levels.
Usually, the developer is required to set aside a certain percentage of the developed land for public use, including roads, parks and schools.
The private developer will be required to give 16 percent of the developed land back to the farmers.
Large parts of the developed land have been contaminated by heavy metals from the water separated from oil.
They found that 37,253 hectares (41%) of wetlands have been lost to developed land within the area.
The Society noted that developed land was clearly separated from the neighboring farming land.
The border areas are some of the least developed lands left in China.
"From the water you would have looked up at densely developed land."
In the next three decades, Regional Plan projects a 25 percent increase in developed land.