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soil-conservation-people-religion-and-land.pdf - South West NRM

soil-conservation-people-religion-and-land.pdf - South West NRM

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environment as distinct from the effects of management.<br />

Wilson et al's (1988) saltbush model is a useful example:<br />

FIGURE 2<br />

Atrlplrx<br />

Malreana<br />

Stage<br />

Danthonla<br />

m = mature<br />

8 = seed L<br />

D = bassi sprouting 1 A t p i e I<br />

j = Seedling<br />

Maireana<br />

(dl: diminished<br />

Oanthonia<br />

Atriplex<br />

Matreana<br />

Danthonia<br />

b.1.s<br />

Maireana<br />

Oanthonia<br />

Maireana<br />

Oanthonia<br />

Oanthonia<br />

Oant honia<br />

Model of changes in an Atriplex vesicatia - Maireana aphylla -<br />

Danthonia caespitosa community near Deniliquin, as influenced<br />

by fire <strong>and</strong> rainfall<br />

THE<br />

GERS CHOICES<br />

erazing l<strong>and</strong> management is both the art <strong>and</strong> the science of<br />

planning <strong>and</strong> executing the use of vegetation so as to attain<br />

the highest livestock production consistent with <strong>conservation</strong><br />

of the natural resources. This implies skillful manipulation<br />

of those factors subject to control by the manager. In the<br />

pastoral zone the following variables may be used in<br />

developing management strategies to meet the dem<strong>and</strong>s of<br />

different seasons, different types of grazing l<strong>and</strong>, different<br />

condition of paddocks <strong>and</strong> varying economic dem<strong>and</strong>s <strong>and</strong> costs:

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