Effects of differential correction on accuracy of a GPS animal location system
Article Abstract:
The locational errors of a Global Positioning System (GPS) animal location system could be reduced with certain design improvements. The performance of GPS tracking collars with design changes were evaluated and it was found that their accuracy and precision were greatly enhanced. Their use was assessed in the Thunder Bay experimental forest and location error was highest where tall red pine tree trunks interfered with signal reception. It is likely to be expensive to implement differential correction.
Publication Name: The Journal of Wildlife Management
Subject: Zoology and wildlife conservation
ISSN: 0022-541X
Year: 1997
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Effects of ambient temperature of activity monitors of radiocollars
Article Abstract:
Activity and temperature monitoring through radio collars are affected by ambient temperature which causes the device to malfunction. However, the effect may be countered by the animal's body heat, pelage and position. A comparative study of monitoring functions of radio collars worn by muskox and caribou show these effects. Muskox pelage are better insulators than caribou pelage and conductance of body heat is greater when the animal is sitting still than when it is foraging.
Publication Name: The Journal of Wildlife Management
Subject: Zoology and wildlife conservation
ISSN: 0022-541X
Year: 1996
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Effects of nest and brood visits and radio transmitters on rock ptarmigan
Article Abstract:
The effect of researchers' nest and brood visits on rock ptarmiganthe effect of radio transmitters on male ptarmigans' survival. The results showed that nest and brood visits did not affect the survival rates of ptarmigans. However, the survival rates of male ptarmigans which have been banded and tagged with radio transmitters were significantly lower than those which have not been tagged.
Publication Name: The Journal of Wildlife Management
Subject: Zoology and wildlife conservation
ISSN: 0022-541X
Year: 1995
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