Search Results - "Helm, Chantal V."

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  1. 1

    Characterising wide spatial variation in population size structure of a keystone African savanna tree by Helm, Chantal V., Witkowski, E.T.F.

    Published in Forest ecology and management (2012)
    “…► Effect of disturbance on tree population structure is not well studied. ► Wide spatial variation in population structure of a keystone African savanna tree…”
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    Journal Article
  2. 2

    Continuing decline of a keystone tree species in the Kruger National Park, South Africa by Helm, Chantal V., Witkowski, Ed T. F.

    Published in African journal of ecology (01-06-2013)
    “…Sclerocarya birrea subsp. caffra (marula), a keystone large tree species in southern Africa and heavily utilized by people and herbivores, is declining at an…”
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    Journal Article
  3. 3

    Continuing decline of a keystone tree species in the K ruger N ational P ark, S outh A frica by Helm, Chantal V., Witkowski, Ed T. F.

    Published in African journal of ecology (01-06-2013)
    “…Abstract Sclerocarya birrea subsp. caffra (marula), a keystone large tree species in southern Africa and heavily utilized by people and herbivores, is…”
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    Journal Article