Late-Pleistocene and Holocene remains of Hysterocarpus traski (Tule Perch) from Clear Lake, California, and inferred Holocene temperature fluctuations
Quaternary Research
By: R.W. Casteel, D.P. Adam, and J.D. Sims
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Abstract
The remains of scales of Hysterocarpus traski Gibbons (Tule perch) were found throughout a 27.44-m core from Clear Lake. Most scales occurred between the mud surface and deposits approximately 11,000 years old. Changes in growth rates of the animals were examined by measuring scale annuli and applying an empirically established regression of fish length on scale radius. The data indicate a pattern of accelerating growth rates, reaching a peak between {reversed tilde equals}4000 and 2800 BP. After {reversed tilde equals}2800 BP, growth rates decline markedly. Because the growth rates of these animals are essentially dependent on temperature, the changes observed in the patterns of growth probably reflect changes in climate in the northern Coast Range. The general pattern of inferred temperature increase during the early and middle Holocene, ending between {reversed tilde equals}4000 and 2800 BP, is consistent with evidence from tree-line studies and palynology indicating higher temperatures in parts of the western United States during this period. ?? 1977.
| Publication type | Article |
|---|---|
| Publication Subtype | Journal Article |
| Title | Late-Pleistocene and Holocene remains of Hysterocarpus traski (Tule Perch) from Clear Lake, California, and inferred Holocene temperature fluctuations |
| Series title | Quaternary Research |
| Volume | 7 |
| Issue | 1 |
| Year Published | 1977 |
| Language | English |
| Larger Work Type | Article |
| Larger Work Subtype | Journal Article |
| Larger Work Title | Quaternary Research |
| First page | 133 |
| Last page | 143 |
| Google Analytic Metrics | Metrics page |