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Grasslands of the World.pdf - Disasters and Conflicts - UNEP

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S.G. REYNOLDS<br />

DUANE McCARTNEY<br />

<strong>Grassl<strong>and</strong>s</strong> <strong>of</strong> central North America 233<br />

Plate 6.11<br />

Bouteloua gracilis – Blue grama.<br />

Plate 6.12<br />

Mixed grass prairie near M<strong>and</strong>an, North Dakota.<br />

Galium boreale ) were most abundant on moist <strong>and</strong> cool north-facing slopes,<br />

while o<strong>the</strong>r species (Phlox hoodii , Carex filifolia , Stipa comata , Artemisia<br />

frigida ) reached highest abundance on relatively warm <strong>and</strong> dry south-facing<br />

slopes. Species occupying intermediate habitats were Koeleria cristata , Carex<br />

eleocharis , Stipa spartea <strong>and</strong> Agropyron dasystachum . Redmann (1975) <strong>and</strong><br />

Sims (1988) reported on micro-topographical <strong>and</strong> soils variations in mixed

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