Male sage grouse responses to sagebrush treatment
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Published source details
Wallestad R. (1975) Male sage grouse responses to sagebrush treatment. Journal of Wildlife Management, 39, 482-484.
Published source details Wallestad R. (1975) Male sage grouse responses to sagebrush treatment. Journal of Wildlife Management, 39, 482-484.
Actions
This study is summarised as evidence for the following.
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Manually control or remove midstorey and ground-level vegetation (including mowing, chaining, cutting etc) in shrubland Action Link |
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Apply herbicide to mid- and understorey vegetation Action Link |
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Manually control or remove midstorey and ground-level vegetation (including mowing, chaining, cutting etc) in shrubland
A replicated, controlled before-and-after study in 1968-1970 in sagebrush Artemisia tridentate shrubland in central Montana, USA (Wallestad 1975), found that the number of strutting male greater sage grouse Centrocercus urophasianus increased by 28% at three lekking sites within 0.5 km of areas treated with herbicide and mechanical clearing, whilst numbers fell by 63% at a fourth site. Numbers increased by 323% at two leks more than 4 km from treated areas.
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Apply herbicide to mid- and understorey vegetation
A replicated, controlled before-and-after study in 1968-1970 in common sagebrush shrubland in central Montana, USA (Wallestad 1975), found that the number of strutting male greater sage grouse Centrocercus urophasianus increased by 28% at three lekking sites within 0.5 km of areas treated with herbicide and mechanical clearing, whilst numbers fell by 63% at a fourth site. Numbers increased by 323% at two leks more than 4 km from treated areas. In June 1968, three areas (totalling 705 ha) (each with a lek within 0.5 km) were treated with herbicide (2,4-Dichlorophenoxyacetic acid) or mechanically cleared in alternate strips. A fourth area (441 ha) within 0.5 km of a lek was treated in June 1970.
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