Design techniques are presented for a very high frequency telemetry system capable of transmitting short radio frequency pulse signals from the body of a fish to an aircraft flying over a river. The system design has considered the water chemistry and river turbulence of the Athabasca River in the Alberta Oil Sands Environmental Research Program study area and five specie of fish indigenous to that region. Surgical implant procedures are described and preliminary field test results are presented. Radio transmitters were designed as superior to ultrasonic transmitters to monitor seasonal migration patterns of fish in the Athabasca River system. Radio transmitters at a frequency of 150 MHz will permit interrogation of radio tagged fish by aircraft fitted with a three element yagi antenna pointed downward when mounted under the wing of a light aircraft. A sealed, lithium primary battery was the chosen power source of a transmitter with an 8 to 10 millisecond pulse length and a pulse interval of one pulse per second. Field surgical procedures reduced stresses imposed on laboratory held experimental fish. Preliminary field tests indicated interrogation of radio tagged fish with a light aircraft was feasible.
Related Resources
Managing Wolves (Canis Lupus) to Recover Threatened Woodland Caribou (Rangifer Tarandus Caribou) in Alberta
Resource Date:
November
2014
Measured Concentrations of Metals and Polycyclic Aromatic Hydrocarbons in Plants, Berries and Soil Located North of Fort McMurray, Alberta
Resource Date:
2014
Video - Challenges in Water Management in the South Saskatchewan Basin
Resource Date:
March
2013
Video - Bow Basin Watershed Management Plan 2012: Lessons Learned
Resource Date:
March
2013
Video - Effects of Accidental Hydrocarbon Release on Red Deer River Water Quality
Resource Date:
March
2013
Video - Assessing agricultural practices to improve watershed management in Alberta
Resource Date:
March
2013
Was this helpful?
|