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Papers by guy melville

Research paper thumbnail of Assessing Historical Bathymetry: Kingsmere Lake Revisited

Lake and Reservoir Management, 2004

ABSTRACT Surveys carried out prior to 1950 still constitute our knowledge base for many lakes, pa... more ABSTRACT Surveys carried out prior to 1950 still constitute our knowledge base for many lakes, particularly those without road access in more remote locations. We assess the accuracy of historical bathymetric data using Kingsmere Lake (Rawson 1936), Prince ...

Research paper thumbnail of Vertical distributions and zooplankton predation in a small temperate pond

Canadian Journal of Zoology, 1981

Research paper thumbnail of Development of an assessment approach for remnant lake salmonin populations: The Crean Lake example

Aquatic Living Resources, 2005

This research investigates a status assessment approach for remnant lake salmonin populations, us... more This research investigates a status assessment approach for remnant lake salmonin populations, using the lake charr (Salvelinus namaycush Walbaum) of Crean Lake (105 km 2 ) as an example. A mark-recapture program was implemented employing small-mesh gill nets to ensnare charr by the teeth at spawning. Prior to sampling, potential spawning sites were designated primary or secondary based on habitat. Most charr were caught on three primary reefs, with some spawners moving between reefs. The spawning period peaked at day 2, enhancing spawning synchrony, and lasted up to 10 days. Results produced very low sampling mortality (5.7%), consistent estimates of the number of spawning charr (∼60 y −1 ) and a very low (<2000) estimate of the total number of mature charr in Crean Lake. The approach offers an effective means of assessing remnant salmonins with minimal impact on their populations.

Research paper thumbnail of Assessing Historical Bathymetry: Kingsmere Lake Revisited

Lake and Reservoir Management, 2004

ABSTRACT Surveys carried out prior to 1950 still constitute our knowledge base for many lakes, pa... more ABSTRACT Surveys carried out prior to 1950 still constitute our knowledge base for many lakes, particularly those without road access in more remote locations. We assess the accuracy of historical bathymetric data using Kingsmere Lake (Rawson 1936), Prince ...

Research paper thumbnail of Vertical distributions and zooplankton predation in a small temperate pond

Canadian Journal of Zoology, 1981

Research paper thumbnail of Development of an assessment approach for remnant lake salmonin populations: The Crean Lake example

Aquatic Living Resources, 2005

This research investigates a status assessment approach for remnant lake salmonin populations, us... more This research investigates a status assessment approach for remnant lake salmonin populations, using the lake charr (Salvelinus namaycush Walbaum) of Crean Lake (105 km 2 ) as an example. A mark-recapture program was implemented employing small-mesh gill nets to ensnare charr by the teeth at spawning. Prior to sampling, potential spawning sites were designated primary or secondary based on habitat. Most charr were caught on three primary reefs, with some spawners moving between reefs. The spawning period peaked at day 2, enhancing spawning synchrony, and lasted up to 10 days. Results produced very low sampling mortality (5.7%), consistent estimates of the number of spawning charr (∼60 y −1 ) and a very low (<2000) estimate of the total number of mature charr in Crean Lake. The approach offers an effective means of assessing remnant salmonins with minimal impact on their populations.

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