Bush encroachment dynamics and rangeland management implications in southern Ethiopia.

Clicks: 212
ID: 23635
2018
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Abstract
Rangelands in southern Ethiopia have been undergoing a rapid regime shift from herbaceous to woody plant dominance in the past decades, reducing indigenous plant biodiversity, altering ecosystem function, and threatening subsistence pastoralism. Despite significant rangeland management implications, quantification of spatial encroachment extent and transitional pathways that result in encroachment remain largely under-explored. This paper develops a phenology-based approach to map rangeland vegetation states in southern Ethiopia, and examines transition pathways among states using the state-and-transition model. The results indicate that nearly 80% of landscape was dominated by woody plants in 2013. While stable encroached states have been established in both high and low lands through different transition pathways between 2003 and 2013, we identified spatial locations where bush encroachment occurred rapidly. The multiplicity in the transition pathways indicates opportunities for positive transformation in the entire rangeland system in southern Ethiopia and other semi-arid regions of Africa.
Reference Key
liao2018bushecology Use this key to autocite in the manuscript while using SciMatic Manuscript Manager or Thesis Manager
Authors Liao, Chuan;Clark, Patrick E;DeGloria, Stephen D;
Journal Ecology and evolution
Year 2018
DOI
10.1002/ece3.4621
URL
Keywords Keywords not found

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