Making Way for Trees? Changes in Land-Use, Habitats and Protected Areas in Great Britain under “Global Tree Restoration Potential”
Martin A. Wilkes,
James Bennett,
Sara Burbi,
Sue Charlesworth,
Katharina Dehnen-Schmutz,
Francis Rayns,
Ulrich Schmutz,
Barbara Smith,
Mark Tilzey,
Liz Trenchard and
Marco Van De Wiel
Additional contact information
Martin A. Wilkes: Centre for Agroecology, Water and Resilience, Coventry University, Coventry CV8 3LG, UK
James Bennett: Centre for Agroecology, Water and Resilience, Coventry University, Coventry CV8 3LG, UK
Sara Burbi: Centre for Agroecology, Water and Resilience, Coventry University, Coventry CV8 3LG, UK
Sue Charlesworth: Centre for Agroecology, Water and Resilience, Coventry University, Coventry CV8 3LG, UK
Katharina Dehnen-Schmutz: Centre for Agroecology, Water and Resilience, Coventry University, Coventry CV8 3LG, UK
Francis Rayns: Centre for Agroecology, Water and Resilience, Coventry University, Coventry CV8 3LG, UK
Ulrich Schmutz: Centre for Agroecology, Water and Resilience, Coventry University, Coventry CV8 3LG, UK
Barbara Smith: Centre for Agroecology, Water and Resilience, Coventry University, Coventry CV8 3LG, UK
Mark Tilzey: Centre for Agroecology, Water and Resilience, Coventry University, Coventry CV8 3LG, UK
Liz Trenchard: Centre for Agroecology, Water and Resilience, Coventry University, Coventry CV8 3LG, UK
Marco Van De Wiel: Centre for Agroecology, Water and Resilience, Coventry University, Coventry CV8 3LG, UK
Sustainability, 2020, vol. 12, issue 14, 1-10
Abstract:
Numerous tree planting initiatives have been launched worldwide, based on the idea that carbon capture by trees can help to limit global warming. A recent study estimated the additional tree canopy cover that could be established given the growing conditions in every square kilometre of land on earth that is not already forested, urbanised, or used for crop production. It reported a total “tree restoration potential” of >900 million ha worldwide and identified hotspots where opportunities for tree planting initiatives may be the greatest. With the potential for an estimated 4.2 million ha of additional canopy cover, one such hotspot is Great Britain. We quantify the extent of habitats, land uses, and protected areas that would be impacted by tree planting on this scale in Great Britain and discuss the potential social–ecological trade-offs involved. Our findings show that realising the “tree restoration potential” would mean a considerable upheaval for the British landscape with 30–50% of ecologically valuable habitats lost and a reduction of 44% in the area of improved grassland. Up to 21% of land protected by law for its ecological, scientific, scenic, or cultural value would be impacted. Importantly, we demonstrate that an alternative approach based on increasing tree canopy cover by up to 20% in urban areas and on cropland could make a substantial contribution to tree planting targets, potentially offsetting losses elsewhere. Such shifts in the structure and function of the British landscape will depend on deep changes in the food system, evidence-based decisions about which existing habitats to protect, and a long-term commitment to tree planting and maintenance.
Keywords: tree restoration; habitats; land use; protected areas; conservation; agroforestry; urban planning (search for similar items in EconPapers)
JEL-codes: O13 Q Q0 Q2 Q3 Q5 Q56 (search for similar items in EconPapers)
Date: 2020
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (1)
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