342 results on '"Tonn, William"'
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2. Using Video to Evaluate Depth and Velocity Selection by Arctic Grayling ( Thymallus arcticus ) in Pools of an Engineered Tundra Stream
3. Invertivory by northern pike ( Esox lucius ) structures communities of littoral macroinvertebrates in small boreal lakes
4. Trophic Relations of the Red-Necked Grebe on Lakes in the Western Boreal Forest: A Stable-Isotope Analysis
5. Winterkill cascade: indirect effects of a natural disturbance on littoral macroinvertebrates in boreal lakes
6. Individual Specialization and Trophic Adaptability of Northern Pike (Esox lucius): An Isotope and Dietary Analysis
7. Isolation vs. Extinction in the Assembly of Fishes in Small Northern Lakes
8. Native fish and macrophytes minimize impacts of introduced trout on littoral invertebrates: an experimental mesocosm study
9. Influence of potential fish competitors on Lake Trout trophic ecology in small lakes of the Barrenlands, N.W.T., Canada
10. Life-history variation among four shallow-water morphotypes of lake trout from Great Bear Lake, Canada
11. Limited effects of non-native trout on microcrustacean zooplankton in boreal foothills lakes: comparisons of stocked, unstocked, and fishless lakes
12. Lessons Learned from an Industry, Government and University Collaboration to Restore Stream Habitats and Mitigate Effects
13. Stream habitat connectivity in the Canadian Arctic: an on-site approach to design and construction
14. Foraging guilds of aquatic birds on productive boreal lakes: environmental relations and concordance patterns
15. Diets of sexual and sperm-dependent asexual dace (Chrosomus spp.): relevance to niche differentiation and mate choice hypotheses for coexistence
16. Fish diversity and biomass in northern Canadian lakes: northern lakes are more diverse and have greater biomass than expected based on species-energy theory
17. Importance of Nest and Paternal Characteristics for Hatching Success in Fathead Minnow
18. Cascading Life-History Interactions: Alternative Density-Dependent Pathways Drive Recruitment Dynamics in a Freshwater Fish
19. Stream modifications to enhance system connectivity for fish habitat compensation: a case study in the Barrenlands region of Canada
20. Principles for ensuring healthy and productive freshwater ecosystems that support sustainable fisheries
21. Quantifying effective restoration: reassessing the productive capacity of a constructed stream 14 years after construction
22. Age determination of a long-lived coregonid from the Canadian North: comparison of otoliths, fin rays and scales in inconnu (Stenodus leucichthys)
23. Effects of fish density on planktonic communities and water quality in a manipulated forest pond
24. Ecological Characteristics of Streams in the Barrenlands near Lac de Gras, N.W.T., Canada
25. Intercontinental Comparison of Small-Lake Fish Assemblages: The Balance between Local and Regional Processes
26. Competition in Umbra-Perca Fish Assemblages: Experimental and Field Evidence
27. Effects of Prey Species Composition and Habitat Structure on Foraging by Two Functionally Distinct Piscivores
28. Density Compensation in Umbra-Perca Fish Assemblages of Northern Wisconsin Lakes
29. Patterns in the Species Composition and Richness of Fish Assemblages in Northern Wisconsin Lakes
30. Density-Dependent Effects and the Regulation of Crucian Carp Populations in Single-Species Ponds
31. Piscivory and Recruitment: Mechanisms Structuring Prey Populations in Small Lakes
32. The hydrological characteristics of a stream within an integrated framework of lake-stream connectivity in the Lac de Gras Watershed, Northwest Territories, Canada
33. Limited effects of stocked trout on littoral invertebrates in boreal foothills lakes
34. Tales of two fish: the dichotomous biology of crucian carp (Carassius carassius (L.)) in northern Europe
35. Assessing the Effectiveness of a Constructed Arctic Stream Using Multiple Biological Attributes
36. Among‐individual diet variation within a lake trout ecotype: Lack of stability of niche use
37. Selective Feeding of age-0 Arctic Grayling in Lake-Outlet Streams of the Northwest Territories, Canada
38. Individual specialization and trophic adaptability of northern pike (Esox lucius): an isotope and dietary analysis
39. Among-individual diet variation within a lake trout ecotype: lack of stability of niche use.
40. Seasonal variation in diet and trophic relationships within the fish communities of the lower Slave River, Northwest Territories, Canada
41. Gastric evacuation rates and daily rations of Arctic cod (Boreogadus saida) at low temperatures
42. An experimental study of factors affecting the distribution of yellow perch and central mudminnows along a species richness gradient
43. Resource selection functions for age-0 Arctic grayling (Thymallus arcticus) and their application to stream habitat compensation
44. Productive capacity of an artificial stream in the Canadian Arctic: assessing the effectiveness of fish habitat compensation
45. Effects of nutrient enrichment on recruitment of age-0 fathead minnows (Pimephales promelas): potential impacts of environmental change on the Boreal Plains
46. Effects of social structure on reproductive activity in male fathead minnows (Pimephales promelas)
47. Habitat overlap of juvenile and adult lake trout of Great Bear Lake: Evidence for lack of a predation gradient?
48. Pelagic distribution of lake trout (Salvelinus namaycush) in small Canadian Shield lakes with respect to temperature, dissolved oxygen, and light
49. From top to bottom: Do Lake Trout diversify along a depth gradient in Great Bear Lake, NT, Canada?
50. Behavioral and population-level aspects of intraspecific competition in crucian carp
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