{"id":14818,"date":"2012-08-31T11:44:33","date_gmt":"2012-08-31T17:44:33","guid":{"rendered":"http:\/\/wordpress-367309-1145705.cloudwaysapps.com\/?p=14818"},"modified":"2012-08-31T11:44:33","modified_gmt":"2012-08-31T17:44:33","slug":"world-forest-area-still-on-the-decline","status":"publish","type":"post","link":"https:\/\/sustainablog.org\/articles\/world-forest-area-still-on-the-decline\/","title":{"rendered":"World Forest Area Still on the Decline"},"content":{"rendered":"

\"deforestation<\/a><\/p>\n

By Emily E. Adams<\/strong><\/p>\n

Forests provide many important goods, such as timber and paper. They also supply essential services\u2014for example, they filter water, control water runoff, protect soil, regulate climate<\/a>, cycle and store nutrients, and provide habitat for countless animal species and space for recreation.<\/p>\n

Forests cover 31 percent of the world\u2019s land surface, just over 4 billion hectares. (One hectare = 2.47 acres.) This is down from the pre-industrial area of 5.9 billion hectares. According to data from the U.N. Food and Agriculture Organization, deforestation was at its highest rate in the 1990s, when each year the world lost on average 16 million hectares of forest\u2014roughly the size of the state of Michigan. At the same time, forest area expanded in some places, either through planting or natural processes, bringing the global net loss of forest to 8.3 million hectares per year. In the first decade of this century, the rate of deforestation was slightly lower, but still, a disturbingly high 13 million hectares were destroyed annually. As forest expansion remained stable, the global net forest loss between 2000 and 2010 was 5.2 million hectares per year. (See data<\/a>.)<\/p>\n

\"World<\/p>\n

Global rates of deforestation do not capture the full damage done to the world\u2019s forests. Forest degradation from selective logging, road construction, climate change<\/a>, or other means compromises the health of remaining forests. Each year the world has less forested area, and the forests that remain are of lower quality. For example, replacing natural old-growth forests with a monoculture of an exotic species greatly reduces biodiversity.<\/p>\n

The spread of planted forests has been accelerating, rising from an expansion of 3.7 million hectares annually in the 1990s to 4.9 million hectares annually the following decade. Planted forests now cover some 264 million hectares, comprising nearly 7 percent of total forest area. Plantations now have the potential to produce an estimated 1.2 billion cubic meters of industrial wood each year, about two thirds of current global wood production. Where forests have already been cleared, plantations can alleviate the pressure on standing forests.<\/p>\n

The Major Threats to the World’s Forests<\/h3>\n

Forests are primarily threatened by land clearing for agriculture and pasture and by harvesting wood for fuel or industrial uses. In Brazil\u2014which has lost 55 million hectares since 1990, an area three fourths the size of Texas\u2014land clearing for farms and ranches is the big driver. Home to the Amazon rainforest, Brazil contains 13 percent of the world\u2019s forested area, second only to Russia\u2019s 20 percent. Between 2000 and 2010, Brazil lost 2.6 million hectares of forest each year, more than any other country. Brazil is trying to reduce deforestation rates 80 percent from the 1996\u20132005 average by 2020 and has in fact seen a large drop in deforestation in recent years. But rising beef, corn, and soybean prices are likely to pressure the government to weaken its forest protection, further threatening the world\u2019s largest rainforest.<\/p>\n

Two other South American countries, Bolivia and Venezuela, have also felled large areas of trees, making South America the region with the largest forest loss between 2000 and 2010. The continent lost 40 million hectares of forest during that period.<\/p>\n

Africa also suffers from extensive deforestation, having lost 34 million hectares from 2000 to 2010. Firewood harvesting and charcoal production are important drivers. Four sub-Saharan nations\u2014Nigeria, Tanzania, Zimbabwe, and the Democratic Republic of the Congo\u2014each cleared more than 300,000 hectares per year.<\/p>\n

In contrast to South America, Asia has changed its trajectory from net forest loss in the 1990s to net forest expansion in the following decade, with China leading the growth in planted forests. After disastrous flooding in 1998, China realized the tremendous flood control and soil protection benefits of intact forests, leading it to ban logging in key river basins and to begin planting trees at a rapid rate.<\/p>\n

\"deforestation<\/a>
Deforestation in Laos<\/figcaption><\/figure>\n

China\u2019s heavy planting can disguise the trends elsewhere in the region, however. As the world\u2019s largest processor of wood products, China imports both legally and illegally logged timber, driving deforestation in other countries. Indonesia, where eighty-two percent of the land area was covered by lush forests in the 1960s, has been a prime target. Today less than half of that country is forested, with some 24 million hectares of forest lost between 1990 and 2010. The good news is that the deforestation rate of 1.9 million hectares per year in the 1990s fell to 500,000 hectares per year during the most recent decade.<\/p>\n

Another large driver of deforestation in Indonesia is palm oil production; the country accounts for almost half of the global output of this product. Expansion of oil palm, which is largely planted on lands that have been logged or burned, threatens the remaining forests. To assess this risk and limit the country\u2019s contribution to global warming from land use change, Indonesia instituted a two-year moratorium in May 2011 on new licenses to convert primary forests to oil palm or other uses. The temporary ban is meant to provide time for the government to devise a way to double palm oil production by 2020 from 2009 levels while protecting its forests. The effectiveness of this ban remains to be seen, considering the ambitiousness of the production goal and the government\u2019s ongoing struggle to limit illegal logging.<\/p>\n

Mexico is another country where the government is taking on deforestation. In the 1990s Mexico had the seventh highest rate of deforestation in the world. Recent efforts to curb deforestation and encourage plantations halved the rate of forest loss from 400,000 hectares of forest per year in the 1990s to 200,000 hectares per year in the 2000s. In Mexico and Central America combined, annual deforestation losses have shrunk from 700,000 hectares to 400,000 hectares.<\/p>\n

Across the globe, Australia moved in the opposite direction, switching from a net forest gain in the 1990s to a net forest loss in the following decade. Australia\u2019s persistent drought from 2002 to 2010 was double trouble for its forests: the drought restricted forest regrowth while simultaneously increasing fire risk. Wildfires, stoked by extended drought and high temperatures, burned millions of hectares of forest in Australia. Just one megafire on February 7, 2009, now known as \u201cBlack Saturday,\u201d burned over 400,000 hectares\u2014an area the size of the state of Rhode Island.<\/p>\n

Wildfires, in conjunction with insect outbreaks, have also altered Canada\u2019s forests. Around the turn of the 21st century, these disturbances released large amounts of carbon to the atmosphere, possibly transforming Canada\u2019s boreal forests from a carbon sink pulling carbon dioxide from the air and storing it, to a carbon source. Carbon dioxide traps heat within the earth\u2019s atmosphere, so whether Canada\u2019s 310 million hectares of forests\u2014the third most of any country\u2014is a carbon source or sink can have large implications for future climate change.<\/p>\n

The United States added a net 7.7 million hectares of trees between 1990 and 2010, around 380,000 hectares per year. Although the United States has experienced impressive forest regeneration within its own borders, it still contributes to deforestation as an importer of forest products\u2014some $20 billion worth in 2011. The case in Europe is similar, where 2011 imports of forest products totaled $110 billion. Led by Spain, Italy, France, Norway, and Sweden, this region added a net 16 million hectares of forested area from 1990 to 2010.<\/p>\n

Not all trees, nor all forests, are alike. Trees added in industrial countries in temperate zones, with different ecological attributes, cannot replace the bounty of biodiversity lost in tropical forests of developing countries. Global forest protection is a global effort.<\/p>\n

Protection requires more than labeling an area of forest as off-limits to logging. By reducing consumption of paper and wood products, recycling paper, reclaiming wood, legally sourcing wood from sustainable plantations, finding substitutes for firewood, and stabilizing population by accelerating the shift to smaller families, our generation can help protect forests for future ones.<\/p>\n

Data and additional resources at www.earth-policy.org<\/a>.<\/em><\/p>\n

Image credits: <\/strong>Patrick|Choi<\/a> via photo pin<\/a> cc<\/a>; fredalix – \u0e2d\u0e32\u0e25\u0e34\u0e01\u0e2a\u0e4c<\/a> via photo pin<\/a> cc<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"

Forests provide many important goods, such as timber and paper. They also supply essential services\u2014for example, they filter water, control water runoff, protect soil, regulate climate, cycle and store nutrients, and provide habitat for countless animal species and space for recreation. Human demand for their products, though, keeps them in a state of decline globally.<\/p>\n","protected":false},"author":37,"featured_media":14820,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[13],"tags":[18,1072,3566,2101,258,3151,2787],"yoast_head":"\nWorld Forest Area Still Declining<\/title>\n<meta name=\"description\" content=\"Forests are critical ecosystems, but they continue to decline globally because of human demands for their products.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/sustainablog.org\/articles\/world-forest-area-still-on-the-decline\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"World Forest Area Still Declining\" \/>\n<meta property=\"og:description\" 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