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Sirami, C., Seymour, C., Midgley, G. and Barnard, P. 2009. The impact of shrub encroachment on savanna bird diversity from local to regional scale. Diversity and Distributions, 15: 948–957


Description:

The impact of shrub encroachment on savanna bird diversity from local to regional scale.

Summary / Notes:

Aim: Evidence is accumulating of a general increase in woody cover of many savanna regions of the world. Little is known about the consequences of this widespread and fundamental ecosystem structural shift on biodiversity. Main conclusions: Shrub encroachment might have a bigger impact on bird diversity in grassland than in open woodland, regardless of the shrub species. Species recorded in our study area were associated with historical population changes at the scale of southern Africa suggesting that shrub encroachment could be one of the main drivers of bird population dynamics in southern African savannas. If current trends continue, the persistence of several southern African bird species associated with open savanna might be jeopardized regionally. Keywords: Biome shift, bush encroachment, global change, land cover change, landscapernheterogeneity.

Year: 2009

Type: Journal Article

URL: http://onlinelibrary.wiley.com/doi/10.1111/j.1472-4642.2009.00612.x/abstract


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