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Roe deer (Capreolus capreolus)
Accessory
Over the past decade, biologists have been enhancing their research studies with the addition of activity sensors. These sensors have become a useful tool in helping biologists answer questions that they were not able to answer before.
Lotek is pleased to introduce the Activity Logger (ALOG) accessory for Lotek GPS or VHF Collars. The addition of an ALOG unit allows for the collection of acceleration, magnetic field strength, and gyroscope readings in 3 axis with data frequency of up to 50 Hz. The ALOG accessory records acceleration, angular velocity and rotational velocity. When combined with spatial data the ALOG fills in the gaps between GPS fixes, allowing a more complete view into the animals temporal habits.
Useful to estimate a range of behaviour-specific energy expenditure, GPS augmentation (dead reckoning/path integration), activity budget, determination of behaviour classes (rest/locomotion/feeding/foraging), metabolic tax assessment, animal welfare analysis, 2D and 3D visualization of animal activity, predation event assessment and magnetic field vector strength for heading and course positioning.
| Model | Size | Weight | |||
| (L x W x H) (mm) | (g) | ||||
|---|---|---|---|---|---|
| ALOG S | 38.2 x 29.5 x 23.5 | ~40 | |||
| ALOG M | 53 x 29.5 x 23.5 | ~58 | |||
| Sensor / Scenarios | Accelerometer | Magnetometer | Gyroscope | Expected life (days) | |
| (Hz) | (Hz) | (s) | ALOG S | ALOG M | |
| 1 | 25 | 25 | 1.25 | 121 | 240 |
| 2 | 50 | – | – | 166 | 332 |
| 3 | 12.5 | – | – | 560 | 1120 |
Features and specifications subject to change without notice.
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