Transferability of tubifex limiting factor models
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Abstract
Dense populations of T. tubifex are generally associated with habitats dominated by fine sediments and enriched organic material (e.g. Krueger, 2002). Management of whirling disease positive systems is entering a new phase where channel modifications are being implemented to reduce or isolate this type of habitat. These management actions have the potential to cause new areas of sediment deposition. Descriptions of sediment characteristics associated with high numbers of T. tubifex can help engineers design channel modifications that minimize situations where altered velocity distributions inadvertently create optimum worm habitat. Ongoing studies in two Colorado Rivers with very different flow regimes and watershed characteristics provide preliminary evidence that a median sediment particle diameter greater than 1.4mm in conjunction with at least 30% (dry weight) of sediment with a diameter less than 0.3mm limits T. tubifex densities to approximately less than 10% of maximum densities.
Suggested Citation
Terrell, J.W., and Milhous, R.T., 2004, Transferability of tubifex limiting factor models, in Proceedings 10th annual Whirling Disease Symposium: "Whirling disease management: practicalities and realities": Grand American Hotel, Savory Salon, Salt Lake City, Utah, March 2-3, 2004, p. 52-53.
Study Area
| Publication type | Conference Paper |
|---|---|
| Publication Subtype | Conference Paper |
| Title | Transferability of tubifex limiting factor models |
| Year Published | 2004 |
| Language | English |
| Publisher | Whirling Disease Foundation |
| Publisher location | Bozeman, MT |
| Contributing office(s) | Fort Collins Science Center |
| Description | 2 p. |
| Larger Work Type | Book |
| Larger Work Subtype | Conference publication |
| Larger Work Title | Proceedings 10th annual Whirling Disease Symposium: "Whirling disease management: practicalities and realities": Grand American Hotel, Savory Salon, Salt Lake City, Utah, March 2-3, 2004 |
| First page | 52 |
| Last page | 53 |
| Country | United States |
| State | Colorado |