Landscape and management influences on smallholder agroforestry yields show shifts during a climate shock

Morel, Alexandra C., Demissie, Sheleme, Gonfa, Techane, Mehrabi, Zia, Rifai, Sami, Hirons, Mark A., Gole, Tadesse Woldemariam, Mason, John, McDermott, Constance L., Boyd, Emily, Robinson, Elizabeth J. Z. ORCID: 0000-0002-4950-0183, Malhi, Yadvinder and Norris, Ken (2024) Landscape and management influences on smallholder agroforestry yields show shifts during a climate shock. Agriculture, Ecosystems & Environment, 366. ISSN 0167-8809

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Abstract

Sustaining yields for smallholder perennial agriculture under a rapidly changing climate regime may require consideration of landscape features and on-farm management decisions in tandem. Optimising landscape and management may not be possible for maximising yields in any one year but maintaining heterogeneous landscapes could be an important climate adaptation strategy. In this study, we observed elevation, forest patch and shade management gradients affecting smallholder coffee (Coffea arabica) yields in a ‘normal’ year versus the 2015/16 El Niño. We generally found a benefit to yields from having leguminous shade trees and low canopy openness, while maintaining diverse shade or varying canopy openness had more complex influences during a climate shock. The two years of observed climate shock were dominated by either drought or high temperatures, with yield responses generally negative. Climate projections for East Africa predict more erratic rainfall and higher temperatures, which will disproportionately impact smallholder farmers.

Item Type:	Article
Official URL:	https://www.sciencedirect.com/journal/agriculture-...
Additional Information:	© 2024 The Authors
Divisions:	Grantham Research Institute
Subjects:	G Geography. Anthropology. Recreation > GE Environmental Sciences
Date Deposited:	26 Feb 2024 10:24
Last Modified:	22 Apr 2024 14:06
URI:	http://eprints.lse.ac.uk/id/eprint/122105

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