Ecology of Roosevelt Elk |
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Page 29
... cutover land and the subsequent animal use , is the burn- ing of logging debris following timber removal ( Figure 20 ) . In a study comparing vegetative cover on burned and unburned logged units of the same habitat type , 12 years after ...
... cutover land and the subsequent animal use , is the burn- ing of logging debris following timber removal ( Figure 20 ) . In a study comparing vegetative cover on burned and unburned logged units of the same habitat type , 12 years after ...
Page 31
... cutover units adjacent to the sprayed areas will receive such heavy pressure that Douglas fir growth may be severely retarded . In the event that the area sprayed is of such magnitude that the elk either cannot or will not shift ranges ...
... cutover units adjacent to the sprayed areas will receive such heavy pressure that Douglas fir growth may be severely retarded . In the event that the area sprayed is of such magnitude that the elk either cannot or will not shift ranges ...
Page 34
... cutover land in western Oregon . TABLE 20. A comparison of forage production on un- disturbed , disturbed and burned soil surface for a 12 - year - old logged unit . + Species Undisturbed Disturbed Trailing blackberry 10 10 Grasses 11 ...
... cutover land in western Oregon . TABLE 20. A comparison of forage production on un- disturbed , disturbed and burned soil surface for a 12 - year - old logged unit . + Species Undisturbed Disturbed Trailing blackberry 10 10 Grasses 11 ...
Common terms and phrases
acres activity adjacent timber amount of forage animal-use annual big game Blackcap breeding browsed calf crop calves Cap-chur gun comprised conifer Coos County cows Creek Curry Curry County cutover distance disturbed areas Douglas fir seedlings drug duration of paralysis effect elk herds elk range elk season elk-use Evergreen huckleberry factors false dandelion feeding following logging forage items forage plants forage species GAME COMMISSION grasses and false habitat type herbicides high-lead home range leading forage legumes logged timberland logged units logging debris miles Millicoma study Millicoma tree farm movement normally number of animals number of bulls occur Oregon grape OREGON STATE GAME percent cover percentage physical condition Red huckleberry relative humidity retard rhododendron Roosevelt elk rutting season Salal Salmonberry scarification shrub shrub growth slopes soil disturbance sprayed succinylcholine sword fern syringe TABLE terrain Thimbleberry timber removal Trailing blackberry transplant Trap unbrowsed unburned undisturbed utilized Vine maple western Oregon yearling bulls