Olckers, T.
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2

A contiguous-quadrat sampling exercise in a shrub-invaded g..:

Goodall, J ; Zacharias, P ; Olckers, T.
African Journal of Range & Forage Science.  23 (2006)  2 - p. 123-130 , 2006
 
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4

Invasive Species: Vectors and Management Strategies:

Olckers, T
African Journal of Aquatic Science.  29 (2004)  2 - p. 287-287 , 2004
 
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8

Importance of preintroduction surveys in the biological con..:

Olckers, T
Agriculture, Ecosystems & Environment.  52 (1995)  2-3 - p. 179-185 , 1995
 
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9

Biological control of silverleaf nightshade, Solanum elaegn..:

Olckers, T. ; Zimmermann, H.G.
Agriculture, Ecosystems & Environment.  37 (1991)  1-3 - p. 137-155 , 1991
 
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