
The world has lost almost half of its original forest cover, due largely to booming population growth and agricultural expansion. But even though these forests are gone, there is still a tremendous amount of underutilized and unproductive land that has the potential to provide valuable ecosystem services if trees are returned to the landscape. Clean water, improved soil fertility and income from forest products are just a few of the services that these lands, once restored, could provide.
So where in the world are the greatest opportunities for restoration? In collaboration with the University of Maryland and International Union for Conservation of Nature (IUCN), and as part of the Global Partnership on Forest Landscape Restoration, World Resources Institute (WRI) recently updated its Atlas of Forest Landscape Restoration Opportunities. We found that more than 2 billion hectares of land worldwide have the potential to be restored—and many of them are located in some unexpected places.
What Do We Mean by Restoration?
As we noted in a recent blog post, restoration isn’t just about planting trees—it involves improving the productivity of landscapes that are deforested or degraded. Through a geospatial analysis involving dozens of datasets ranging from population density to land cover to climate, we produced a global map showing where deforested and degraded forest areas have the greatest potential to be restored. The map classifies the type of restoration opportunity using three main categories:
- Wide-scale restoration aims to restore dense forests to the landscape. This type of restoration is most feasible in deforested or degraded landscapes with low population density (< 10 people/km2) that are also areas where forests formerly dominated the landscape.
- Mosaic restoration integrates trees into mixed-use landscapes, such as agricultural lands and settlements. This is the most common opportunity. Trees in these regions can support people by improving water quality, increasing soil fertility and boosting other ecosystem services. This type of restoration works best in deforested or degraded landscapes with moderate population density (10 - 100 people/km2).
- Remote restoration is reserved for deforested or degraded areas that are completely unpopulated and located far away from human settlements, such as northern Canada and Siberia. The reduced density of forests in these areas is likely due to fire and pests rather than human interventions, and their remoteness makes them a more costly, lower-priority restoration opportunity.
Where Can We Find Restoration Opportunities?
On a continental scale, Africa has the greatest area of opportunity for both wide-scale and mosaic restoration. At more than 720 million hectares, this area is roughly equivalent to the entire opportunity area for North and South America combined.
But there are also several unexpected countries that offer significant restoration opportunities. These seven places are surprising because we don’t think of them as being forested in the traditional sense—their forests having long been cleared for other land uses–but their potential for restoration is great:
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Building a Restoration Movement
A global map that highlights potential opportunities is just the starting point, however. National and sub-national analyses are needed to identify more precisely where restoration can take place and how it can be done. WRI, in partnership with IUCN, is already working on these detailed analyses. The newly-released Restoration Opportunity Assessment Methodology Handbook provides an overview of how we are approaching these assessments and helping to create a roadmap toward large-scale restoration throughout the world.
By capitalizing on the world’s bounty of restoration opportunities, we can ensure that forest landscapes realize their full potential for productivity and biodiversity.
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At first glance, you wouldn't think avocados and almonds could harm bees; but a closer look at how these popular crops are produced reveals their potentially detrimental effect on pollinators.
Migratory beekeeping involves trucking millions of bees across the U.S. to pollinate different crops, including avocados and almonds. Timothy Paule II / Pexels / CC0
<p>According to <a href="https://www.fromthegrapevine.com/israeli-kitchen/beekeeping-how-to-keep-bees" target="_blank">From the Grapevine</a>, American avocados also fully depend on bees' pollination to produce fruit, so farmers have turned to migratory beekeeping as well to fill the void left by wild populations.</p><p>U.S. farmers have become reliant upon the practice, but migratory beekeeping has been called exploitative and harmful to bees. <a href="https://www.cnn.com/2019/05/10/health/avocado-almond-vegan-partner/index.html" target="_blank">CNN</a> reported that commercial beekeeping may injure or kill bees and that transporting them to pollinate crops appears to negatively affect their health and lifespan. Because the honeybees are forced to gather pollen and nectar from a single, monoculture crop — the one they've been brought in to pollinate — they are deprived of their normal diet, which is more diverse and nourishing as it's comprised of a variety of pollens and nectars, Scientific American reported.</p><p>Scientific American added how getting shuttled from crop to crop and field to field across the country boomerangs the bees between feast and famine, especially once the blooms they were brought in to fertilize end.</p><p>Plus, the artificial mass influx of bees guarantees spreading viruses, mites and fungi between the insects as they collide in midair and crawl over each other in their hives, Scientific American reported. According to CNN, some researchers argue that this explains why so many bees die each winter, and even why entire hives suddenly die off in a phenomenon called colony collapse disorder.</p>Avocado and almond crops depend on bees for proper pollination. FRANK MERIÑO / Pexels / CC0
<p>Salazar and other Columbian beekeepers described "scooping up piles of dead bees" year after year since the avocado and citrus booms began, according to Phys.org. Many have opted to salvage what partial colonies survive and move away from agricultural areas.</p><p>The future of pollinators and the crops they help create is uncertain. According to the United Nations, nearly half of insect pollinators, particularly bees and butterflies, risk global extinction, Phys.org reported. Their decline already has cascading consequences for the economy and beyond. Roughly 1.4 billion jobs and three-quarters of all crops around the world depend on bees and other pollinators for free fertilization services worth billions of dollars, Phys.org noted. Losing wild and native bees could <a href="https://www.ecowatch.com/wild-bees-crop-shortage-2646849232.html" target="_self">trigger food security issues</a>.</p><p>Salazar, the beekeeper, warned Phys.org, "The bee is a bioindicator. If bees are dying, what other insects beneficial to the environment... are dying?"</p>EcoWatch Daily Newsletter
Australia is one of the most biodiverse countries in the world. It is home to more than 7% of all the world's plant and animal species, many of which are endemic. One such species, the Pharohylaeus lactiferus bee, was recently rediscovered after spending nearly 100 years out of sight from humans.
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