{"id":4922,"date":"2009-08-27T14:19:23","date_gmt":"2009-08-27T20:19:23","guid":{"rendered":"http:\/\/wordpress-367309-1145705.cloudwaysapps.com\/?p=4922"},"modified":"2009-08-27T14:19:23","modified_gmt":"2009-08-27T20:19:23","slug":"farms-around-the-world-have-more-trees-than-expected","status":"publish","type":"post","link":"https:\/\/sustainablog.org\/articles\/farms-around-the-world-have-more-trees-than-expected\/","title":{"rendered":"Farms Around the World Have More Trees than Expected"},"content":{"rendered":"

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

[social_buttons]<\/p>\n

The World Agroforestry Centre<\/a> has recently released a paper titled ” <\/strong>Trees on Farm<\/strong><\/a>: Analysis of Global Extent and Geographical Patterns of Agroforestry.”<\/strong> The researchers used five global geodata sets to estimate the percent tree cover on 22 million square kilometers of agricultural land around the world. \u00a0They were surprised to find that nearly half of that land had 10% or more tree cover (which is considered “significant” from an agroforestry<\/a> point of view). \u00a0The area involved is vast – as large as the Amazon basin.<\/p>\n

Even for North America, the percentages were surprisingly high (39% over 10% cover, 17% over 30%). \u00a0Values in Europe were similar. The highest levels are in central America (98% above 10% cover), South America (81%), and Southeast Asia (82%). \u00a0Overall, the lowest tree cover is in the most arid areas, but even there >20% of the farmland has 10% tree cover.<\/p>\n

<\/p>\n

What Trees Do for a Farm<\/h2>\n

The trees serve many functions. \u00a0Some are actually crops. \u00a0Some are being grown for wood. \u00a0Some are windbreaks that protect crops from damage. \u00a0Some are to prevent erosion. \u00a0Some help define boundaries. Many are just there for shade or\u00a0aesthetics. \u00a0Farmers, like everyone, enjoy having trees around.<\/p>\n

In any case, these millions of trees are sequestering carbon<\/a> in the soil and providing habitat for a variety of creatures. \u00a0They can capture pollutants that might otherwise move into surface or ground waters. \u00a0They are removing pollutants from the air<\/a> and providing cooling.<\/p>\n

There are reasons farmers might not want too many trees. \u00a0They can compete for water in dry areas. \u00a0They can be a roosting place for birds that then come in great numbers and damage crops. \u00a0Tree roots can damage drain tile or irrigation lines or interfere with roads. \u00a0Still, it seems that the pluses outweigh the minuses on many farms.<\/p>\n

This is a nice of example of a sustainable farming practice<\/a> that has been going on spontaneously without any pressure from we urbanites. Good for the farmers!<\/p>\n

Image of trees at a farm in New South Wales by stage88<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"

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