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Journal Article

Journal Article

Grazing gradients in central Australian rangelands: ground verification of remote sensing-based approaches  [1993]

Bastin, G.N.; Sparrow, A.D.; Pearce, G. (Commonwealth Scientific and Industrial Research Organisation, Alice Springs (Australia). Div. of Wildlife and Ecology);

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Field data representing aerial cover of the herbage and woody species layers were collected along transects radiating away from water at 2 sites grazed by cattle in central Australia. Graphical representation of the litter and herbage components demonstrate that gradients of decreasing cover attributable to increasing grazing pressure occur along all, or sections, of each transect. Highly significant correlations exist between the field data and satellite indices of vegetation cover. Localised shrub increase and patches of recent erosion obscured trends of increasing cover with distance from water on parts of some transects. Soil surface state (describing past erosion) was a significant covariate of cover change at 1 site. The ability to characterise gradients of increasing vegetation cover with distance from water using both field and satellite data should mean that the grazing gradient method, when used with satellite data, is a suitable technique for assessing the extent of landscape recovery following good rainfall.
From the journal
Rangeland Journal (Australia)
ISSN : 1036-9872

Bibliographic information

Language:
English
Type:
Summary
In AGRIS since:
1995
Volume:
15
Issue:
2
Start Page:
217
End Page:
233
All titles:
"Grazing gradients in central Australian rangelands: ground verification of remote sensing-based approaches"@eng
Other:
"Summary (En)"
"7 tables, 8 fig., 29 ref."
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Bibliographic information

Language:
English
Type:
Summary
In AGRIS since:
1995
Volume:
15
Issue:
2
Start Page:
217
End Page:
233
All titles:
"Grazing gradients in central Australian rangelands: ground verification of remote sensing-based approaches"@eng
Other:
"Summary (En)"
"7 tables, 8 fig., 29 ref."