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Ecological restoration helps global diversity

Ecological restoration in areas of environmental degradation can help reverse global biodiversity losses and promote the recovery of ecosystem services, according to the findings of a research published online in the journal Science.

Carried out by an international team from the University of Alcalá in Spain, the UK’s Centre for Ecology & Hydrology, and Bournemouth University in the UK, the research also showed that measures of biodiversity and ecosystem services are higher in pristine land, freshwater and marine systems than in restored systems.

Lead author, Professor José M. Rey Benayas from the University of Alcalá and President of the International Foundation for Ecosystem Restoration said: “In addition to the improved biodiversity resulting from ecological restoration, our findings show that such restoration also has benefits for ecosystem services. These services can act as an engine of economy and a source of green employment, so our results give policymakers an extra incentive to restore degraded ecosystems.”

Ecological restoration is widely used to reverse the environmental degradation caused by human activities. However, the effectiveness of restoration actions in increasing provision of both biodiversity and ecosystem services has not previously been evaluated systematically.

The research team analyzed results from 89 restoration assessments carried out in a wide range of ecosystem types across the globe. On average, ecological restoration increased provision of biodiversity and ecosystem services by 44% and 25% respectively. Increases in biodiversity and ecosystem service measures following restoration were positively correlated. However, values of both remained lower in restored than in intact (undamaged) reference ecosystems.

The results indicate that restoration actions focused on enhancing biodiversity should support increased provision of ecosystem services, particularly in tropical terrestrial areas, which hold the largest amounts of biodiversity and are usually subject to high levels of human pressure.”

Co-author, Professor James Bullock from the Centre for Ecology & Hydrology said: “We have shown that across the globe restoration projects are able to help reverse loss of the biodiversity and ecosystem services in areas degraded by human activities. While restoration can help reverse losses, this research shows it is critical for human well-being that we conserve pristine habitats and the biodiversity and ecosystem services they provide.”

Co-author Professor Adrian Newton, from Bournemouth University said: “These results highlight the importance of ecological restoration approaches for addressing the environmental degradation that has occurred in many parts of the world. The research suggests that restoration can offer a ‘win-win’ solution, by increasing the provision of environmental benefits to people, while at the same time increasing biodiversity.”

One comment on “Ecological restoration helps global diversity

  1. Pingback: Latest News / Ultime Notizie « Reporting the World Over

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This entry was posted on August 2, 2009 by in Technology and tagged , .
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