Savannahs have functional stability and resiliency due to unique properties of species and their interaction at system level.

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"Knoop and Walker (1985) attributed the remarkable functional stability and resilience (ability to recover from change) of savannahs to unique properties of species and their interaction at system level. Special attributes include seed dormancy through seed bank recovery, vegetative reproduction, the presence of underground reserves and related coppicing ability, phenology of different species in relation to rainfall distribution and adaptations to drought and grazing. Parallel attributes of systems include the slow release of inorganic nitrogen, conservation of nutrients by vegetation, reduction of anaerobic conditions by trees and the trophic complementarity between species in system concerned." (Van Noordwijk and Ong 1999:148)

Journal article
The k - ϵ - f P model applied to wind farmsWind Energ.September 9, 2014
M. Paul van der Laan, Niels N. Sørensen, Pierre-Elouan Réthoré, Jakob Mann, Mark C. Kelly, Niels Troldborg, Kurt S. Hansen, Juan P. Murcia

Journal article
Interactions of Woody and Herbaceous Vegetation in a Southern African SavannaThe Journal of EcologyJune 17, 2006
W. T. Knoop, B. H. Walker

Journal article
Can the ecosystem mimic hypotheses be applied to farms in African savannahs?Van Noordwijk M; Ong C

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