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Potential error with in situ surveys of smallmouth bass, Micropterus dolomieu Lacepede, as determined by radio-telemetry

Fisheries Research

By:
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DOI: 10.1016/S0165-7836(97)00047-7

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Abstract

In situ surveys using scuba are important tools in the management of smallmouth bass (Micropterus dolomieu) in boreal, clear lakes of North America. Population estimates that are derived from such surveys may be erroneous if the size composition of the fish observed by divers differs from that of the entire population. Forty-four adult smallmouth bass of three size classes were radio-tagged and tracked during the summer of 1993 (mid June to early September) in Green Lake, Maine, USA, to investigate possible size-related error from observations by divers being towed along the lake shore. Our results indicate that scuba divers may fail to count a significant portion of large smallmouth bass during late summer (mid July to early September), compared to small- or medium-sized fish. The results suggest that scuba surveys should be conducted during early summer (mid June to mid July) to derive more accurate population estimates.

Additional Publication Details

Publication type:
Article
Publication Subtype:
Journal Article
Title:
Potential error with in situ surveys of smallmouth bass, Micropterus dolomieu Lacepede, as determined by radio-telemetry
Series title:
Fisheries Research
DOI:
10.1016/S0165-7836(97)00047-7
Volume
31
Issue:
3
Year Published:
1997
Language:
English
Larger Work Type:
Article
Larger Work Subtype:
Journal Article
Larger Work Title:
Fisheries Research
First page:
269
Last page:
273
Number of Pages:
5