Theses and Dissertations


Title: Tracking largemouth bass, Micropterus salmoides (Lacepede), and channel catfish, Ictalurus punctatus (Rafinesque), in a farm pond

Name: Ross, Kent N.

Degree: MS

Chair: Dr. John S. Ramsey

Resides: FAA Library

University: Auburn

Location: Auburn, Alabama

Date: 1974

Pages: 100

Keywords: Tracking,Largemouth Bass,Channel Catfish,Farm Pond.

Abstract:

The movements of largemouth bass and channel catfish in a 10-hectare farm pond were tracked with ultrasonic transmitters. Float tracking (largemouth bass, only) was studied as an alternative technique. The main objectives were to establish a set of procedures for carring out the tracking study, to use them to obtain information on spatial and temporal activity patterns, and to evaluate their usefulness. Transmitters were implanted surgically into the abdominal cavity. Tracking procedures were based on relative signal strength and directionality. because of mortality problems, only three largemouth bass and two channel catfish were tracked extensively with ultrasonic transmitters. Both channel catfish occupied all sections of the pond during tracking, but two of the largemouth bass occupied more limited ranges. All individuals had specific, restricted areas of intensive use. The largemouth bass were more active during the day whereas the channel catfish were at least as active at night as during daytime. This difference may reflect as interspecific difference in feeding habits. The condition of recaptured largemouth bass indicated that fish can survive implantation and remain in good health. Mortalities were linked to stree induced by large transmitter size and excess mass and by high water temperatures. Losses from entanglement militate against float tracking procedures employed were considered inadequate for determining diel periodocoties beyond broad, day-night differences. Revisions are recommended for odtaining more datailed information on temporal activity patterns.

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