From: Morgan Erickson-Davis, MONGABAY.COM, More from this Affiliate
Published April 24, 2014 01:17 PM

After Widespread Deforestation, China Bans Commercial Logging in Northern Forests

Forestry authorities in China have stopped commercial logging in the nation's largest forest area, marking an end to more than a half-century of intensive deforestation that removed an estimated 600 million cubic meters (21 billion cubic feet) of timber. The logging shutdown was enacted in large part to protect soil and water quality of greater China, which are significantly affected by forest loss in the mountainous region.


The area is in the extreme northeast portion of China, and comprises a huge swath of dense, temperate forest that stretches into Russia. The landscape is dominated by the Hinggan (Khingan) mountain range that spans more than 1,200 kilometers (750 miles) south towards China's interior, and supports a diverse array of wildlife. The Hinggan Mountains also form an important climatic divide, taking precipitation from southeasterly winds and fueling watersheds that provide water to a tenth of China's arable land.

Large-scale commercial logging of the area first began in the 1950s to meet growing economic demands. By the 1980s, the landscape of the region had changed dramatically due to the loss of forest cover, and large trees had all but disappeared. From 2000 to 2013 alone, more than half a million hectares of land were deforested in the region, according to data from Global Forest Watch. Logging activity was focused primarily in the northern periphery of the range, where around 20 percent of the land was deforested

Forests are vital to maintaining healthy watersheds. They help to catch water from the air, and they even provide it via their respiration processes. Additionally, their roots help to hold water in the soil. Without trees, droughts become more commonplace. When rain does fall on a deforested area, it isn't released into streams gradually, but instead is discharged as a deluge, overwhelming streams and rivers. Without tree roots to bind them, riverbanks erode, sullying water and completely changing stream ecosystems. Downstream habitats that evolved to rely on a constant supply of water are often damaged by the feast-or-famine conditions brought about by deforestation.

The impacts of logging in the Hinggan range have been becoming increasingly evident, sparking major environmental problems.

"There are no longer any big trees. The winds in the Greater Hinggan Mountains are becoming stronger and the woods can no longer retain water," Liu Zhanhun, a worker with the Qianshao Forestry Station, told Sina News.

"In the past, it rained for days before water levels in rivers could rise. Now the river water levels can rise substantially following just one rainstorm," Liu said.
In addition to droughts and floods, the total area of wetlands in the region has shrunk to half its original size, and forest fires have become more prevalent. In 1987, a fire of unprecedented size burned 10,000 square kilometers (3,900 square miles) of forest.

The rapid forest loss in Hinggan runs counter to the official narrative that China has eliminated deforestation through law enforcement measures and reforestation programs. According to Global Forest Watch, China lost some 6.1 million hectares of forest cover between 2000 and 2013, only 2.2 million hectares of which was offset by the establishment of new forests. Forest loss during this period was particularly concentrated in the southeastern part of the country, with a total loss of more than four million hectares.

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