Designing optimal human‐modified landscapes for forest biodiversity conservation

Agriculture and development transform forest ecosystems to human‐modified landscapes. Decades of research in ecology have generated myriad concepts for the appropriate management of these landscapes. Yet, these concepts are often contradictory and apply at different spatial scales, making the design...

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Bibliographic Details
Published in:Ecology letters 2020-09, Vol.23 (9), p.1404-1420
Main Authors: Arroyo‐Rodríguez, Víctor, Fahrig, Lenore, Tabarelli, Marcelo, Watling, James I., Tischendorf, Lutz, Benchimol, Maíra, Cazetta, Eliana, Faria, Deborah, Leal, Inara R., Melo, Felipe P. L., Morante‐Filho, Jose C., Santos, Bráulio A., Arasa‐Gisbert, Ricard, Arce‐Peña, Norma, Cervantes‐López, Martín J., Cudney‐Valenzuela, Sabine, Galán‐Acedo, Carmen, San‐José, Miriam, Vieira, Ima C. G., Slik, J.W. Ferry, Nowakowski, A. Justin, Tscharntke, Teja, Jordan, Ferenc
Format: Article
Language:English
Subjects:
Agricultural development
Agricultural ecosystems
Agricultural management
Biodiversity
Biodiversity crisis
Corridors
extinction threshold
Forest conservation
Forest ecosystems
Forest management
Forests
habitat amount hypothesis
habitat fragmentation
land sparing
Landscape design
Landscape preservation
land‐use planning
matrix quality
Preservation
Restoration strategies
SLOSS debate
Soil conservation
Terrestrial ecosystems
Tropical environments
Wildlife
Wildlife conservation
Wildlife management
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Summary:Agriculture and development transform forest ecosystems to human‐modified landscapes. Decades of research in ecology have generated myriad concepts for the appropriate management of these landscapes. Yet, these concepts are often contradictory and apply at different spatial scales, making the design of biodiversity‐friendly landscapes challenging. Here, we combine concepts with empirical support to design optimal landscape scenarios for forest‐dwelling species. The supported concepts indicate that appropriately sized landscapes should contain ≥ 40% forest cover, although higher percentages are likely needed in the tropics. Forest cover should be configured with c. 10% in a very large forest patch, and the remaining 30% in many evenly dispersed smaller patches and semi‐natural treed elements (e.g. vegetation corridors). Importantly, the patches should be embedded in a high‐quality matrix. The proposed landscape scenarios represent an optimal compromise between delivery of goods and services to humans and preserving most forest wildlife, and can therefore guide forest preservation and restoration strategies. We review key concepts on species responses to landscape disturbances to prioritize management strategies for conservation of forest wildlife. We design optimal landscape scenarios for preserving most forest wildlife and promoting the delivery of goods and services to humans. The proposed scenarios can therefore guide forest preservation and restoration strategies in human‐modified landscapes.
ISSN:1461-023X
1461-0248
DOI:10.1111/ele.13535