Accuracy of GPS Telemetry Collar Locations with Differential Correction

Moen, Ronald; Pastor, John; Cohen, Yosef

doi:10.2307/3802612

Cited by 141 publications

(178 citation statements)

References 1 publication

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“…We did not test whether location accuracy differed between collar types. We expected locations of all collars to be within 5 m and 30 m of the true location 50% and 95% of the time, respectively (Moen et al 1997, Dussault et al 2001. We deemed the expected location accuracy acceptable for determining daily ranges of wolves using our methods (see below).…”

Section: Methodsmentioning

confidence: 99%

Wolf Use of Summer Territory in Northeastern Minnesota

Demma

Mech

2009

J Wildl Manag

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Movements of wolves (Canis lupus) during summer 2003 and 2004 in the Superior National Forest were based around homesites but included extensive use of territories. Away from homesites, wolves used different areas daily, exhibiting rotational use. Mean daily range overlap was 22% (SE = 0.02) and that of breeding wolves was significantly greater than for nonbreeders ( = 25% and 16%, respectively). Rotational use may improve hunting success. Managers seeking to remove entire packs must maintain control long enough to ensure that all pack members are targeted.

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Section: Methodsmentioning

confidence: 99%

Wolf Use of Summer Territory in Northeastern Minnesota

Demma

Mech

2009

J Wildl Manag

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“…This approach, called selective availability (SA), was initiated in March 1990. SA degraded the performance of non-military applications to approximately 100 m. Interestingly, differential GPS (DGPS) has been developed by commercial users as an independent means of reducing the SA error (Moen et al 1997;Rempel & Rodgers 1997). The position error introduced by SA was minimized by establishing observed errors of a receiver at a known location, and applying the observed errors as a correction factor to other GPS receivers to obtain their 'true' position.…”

Section: Gps: Historymentioning

confidence: 99%

Global positioning system and associated technologies in animal behaviour and ecological research

Tomkiewicz¹,

Fuller

Kie

et al. 2010

Phil. Trans. R. Soc. B

413

357

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Biologists can equip animals with global positioning system (GPS) technology to obtain accurate (less than or equal to 30 m) locations that can be combined with sensor data to study animal behaviour and ecology. We provide the background of GPS techniques that have been used to gather data for wildlife studies. We review how GPS has been integrated into functional systems with data storage, data transfer, power supplies, packaging and sensor technologies to collect temperature, activity, proximity and mortality data from terrestrial species and birds. GPS 'rapid fixing' technologies combined with sensors provide location, dive frequency and duration profiles, and underwater acoustic information for the study of marine species. We examine how these rapid fixing technologies may be applied to terrestrial and avian applications. We discuss positional data quality and the capability for high-frequency sampling associated with GPS locations. We present alternatives for storing and retrieving data by using dataloggers (biologging), radio-frequency download systems (e.g. very high frequency, spread spectrum), integration of GPS with other satellite systems (e.g. Argos, Globalstar) and potential new data recovery technologies (e.g. network nodes). GPS is one component among many rapidly evolving technologies. Therefore, we recommend that users and suppliers interact to ensure the availability of appropriate equipment to meet animal research objectives.

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“…However, determination of core areas within a range requires the construction of density functions with sufficient location information to provide robust estimates of use. The use of GPS in automated telemetry has been thoroughly studied to determine the appropriateness of conducting animal movement research (Rodgers & Anson, 1994;Moen et al, 1996;Rodgers et al, 1996;Moen et al, 1997;Dussault et al, 2001). GPS collars are capable of collecting multiple daily fixes over an extended time and provide an unbiased and precise estimate of animal locations.…”

Section: Methodsmentioning

confidence: 99%

Determining effects of an all weather logging road on winter woodland caribou habitat use in south-eastern Manitoba

Schindler

Walker

Davis

et al. 2007

Ran

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Abstract:The Owl Lake boreal woodland caribou population is the most southerly population in Manitoba. It is provincially ranked as a High Conservation Concern Population. Forestry operations exist in the area and there are plans for further forest harvest and renewal. The Happy Lake logging road is the only main access through the Owl Lake winter range. This logging road is currently closed to the public and access is limited to forestry operations during specific times of the year. An integrated forestry/caribou management strategy for the area provides for the maintenance of minimum areas of functional habitat. Habitat quality along the road was compared to habitat quality in the winter core use areas, within the winter range and outside the winter range. To evaluate the extent of functional habitat near the road, we conducted animal location and movement analysis using GPS data collected from January 2002 to March 2006. Habitat quality in the winter range, core use areas and along the road were assessed and found to be similar. Analysis of caribou locations and movement illustrate less use of high quality habitat adjacent to the Happy Lake Road. Loss of functional habitat is suggested to occur within 1 kilometre of the road. This potential loss of functional habitat should be incorporated into integrated forestry and caribou conservation strategies. Road management is recommended to minimize the potential sensory disturbance and associated impacts of all weather access on boreal woodland caribou.

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Accuracy of GPS Telemetry Collar Locations with Differential Correction

Cited by 141 publications

References 1 publication

Wolf Use of Summer Territory in Northeastern Minnesota

Wolf Use of Summer Territory in Northeastern Minnesota

Global positioning system and associated technologies in animal behaviour and ecological research

Determining effects of an all weather logging road on winter woodland caribou habitat use in south-eastern Manitoba

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