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Can timber extraction permits help conserve tropical forests?

April 19, 2021 por Allen Blackman - Laura Villalobos Fiatt Leave a Comment


“Use tropical forests or lose them”—that is the mantra of a growing set of researchers and practitioners who argue, somewhat counterintuitively, that permits for timber extraction can help conserve tropical forests. They claim that permits strengthen land managers’ incentives to use forests so as to generate a long-term stream profits.

That, in turn, requires discouraging illegal logging and land-use change, which are top drivers of forest loss in developing countries. In a nutshell, the use-forests-or-lose-them argument is that even though timber extraction permits inevitably lead to some legal forest loss, they prevent more illegal forest loss, so that the net effect is negative. This is an intriguing claim that, if true, would have major implications for forest conservation policy. But rigorous evidence to either support or refute it is quite thin.

Communal forest management units play a role in preventing forest loss

Mexico offers an opportune setting to help fill that gap. Forest loss due to illegal logging and land use change is a significant problem. Moreover, as a result of land reforms initiated after the country’s revolution a century ago, roughly two-thirds of forestland is managed by thousands of communal forest management units (FMUs) called ejidos and comunidades. Hundreds of these communal FMUs have been awarded forestry permits and the remainder have not.

Our recently published study (journal article in English, IDB working paper in Spanish) essentially compares annual changes in forest loss between 2001 and 2012 for a national sample of 673 communal FMUs with permits and for a sample of observationally similar communal FMUs without permits. We use satellite data to measure annual forest loss, official records of forestry permits, and a rich set of spatial data along with statistical models to control for potential confounders.

Our findings provide mixed support for the use-forests-or-lose-them argument. On one hand, we do not find that permits reduce forest loss in our national sample. However, we also do not find that they speed forest loss in that sample.

Just as important as our finding that overall average effect of permits on forest loss is negligible, is our finding that they tend to spur net forest loss in two subgroups, namely communal FMUs with relatively low levels of income, literacy and connectivity, and those where the returns to pasture and agriculture are relatively high.

A possible explanation for the first subgroup effect is that low levels of income, literacy and connectivity impair these FMUs’ capacity for robust forest governance. The likely reason for the second effect is simply that for FMUs where the return to clearing forest is relatively high, the award of a forestry permit is likely to be less effective in deterring such clearing. These subgroup findings can help policymakers tailor and target timber extraction permitting policies so as to minimize ecological damages.

We believe further study of the use-forests-or-lose-them argument is needed. Today, illegal logging and land-use change represent a grave if not existential threat to tropical forests in many parts of the global south, including Latin America and the Caribbean.

Historically, protected areas have been the cornerstone of the policy response. But political and institutional constraints severely limit the amount of forestland that can be strictly protected. Hence, to conserve tropical forests, we need to consider a portfolio of strategies, including awarding timber extraction permits. Studies like ours shed light on the potential costs and benefits of that strategy, and how it might be tailored and targeted to minimized costs and maximize benefits. 

Further reading:

Use Forests or Lose Them? Regulated Timber Extraction and Tree Cover Loss in Mexico

Latin American and Caribbean forests in the 2020s: Four teams of experts weigh in

Latin American and Caribbean Forests in the 2020s: Trends, Challenges, and Opportunities

Follow us on Twitter: @BIDCambioClima

Photo: Unsplash.com – Victor Moran


Filed Under: Climate change Tagged With: forests

Allen Blackman

Allen Blackman is Principal Economic Advisor in the Inter-American Development Bank’s Climate and Sustainable Development Sector. His research focuses on urban environmental issues, agricultural supply chains, and land use and land cover change.

Laura Villalobos Fiatt

Laura is a postdoctoral researcher at the Inter-American Development Bank (IDB) in Washington, D.C. She has over ten years of experience as an environmental economist, studying the effectiveness of forest conservation policies, including protected areas, payments for ecosystem services, forest certification, forest concessions, and watershed management. The second topic in her portfolio studies how environmental conditions like air quality, temperature, and precipitation affect human capital, and what policies can mitigate these effects. Her research agenda targets decision-makers. Her vision is to provide evidence on what works to prevent and adapt to degraded environmental conditions and to actively engage in the debate about how to fill the inequality gaps in the context of adaptation to climate change in developing countries.

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This blog is a space to reflect about the challenges, opportunities and the progress made by Latin American and Caribbean countries on the path towards the region’s sustainable development.

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