Quantifying aquatic food web interactions in Lake Chelan ...

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Competition for zooplankton Do Mysis compete with kokanee for food 1. How many Mysis and kokanee are in each lake basin 2. How many zooplankton does each individual eat 3. How many zooplankton are produced in the lake and available to planktivores
Kokanee abundance and zooplankton consumption Estimate abundance by two methods: • Hydroacoustic surveys • Age-structured population model based on the number of kokanee surviving to spawn For kokanee and Mysis: Estimate consumption demand with bioenergetics models (Beauchamp et al. 1989, Chipps and Bennett 2002)
Page 1 and 2: Quantifying aquatic food web intera
Page 4 and 5: Littoral Pelagic Profundal Deep Luc
Page 6 and 7: Top Predators Native Burbot Westslo
Page 8 and 9: Predation on salmonids What are the
Page 10 and 11: Lake trout diet • All size classe
Page 12 and 13: Northern pikeminnow diet • All si
Page 14 and 15: Growth Consumption = + Metabolism +
Page 16 and 17: Lake trout survival and population
Page 18 and 19: Lake trout populationlevel consumpt
Page 22 and 23: Estimating abundance, distribution,
Page 24 and 25: Mysis abundance and distribution Fl
Page 26 and 27: Do Mysis and kokanee compete for fo
Page 28 and 29: Cutthroat trout and Chinook • No
Page 30 and 31: FUTURE RESEARCH OPPORTUNITIES Visua
Page 32 and 33: FUTURE RESEARCH OPPORTUNITIES Evalu
Page 34: Questions
Page 39 and 40: Mysis planktivory • Cladoceran st
Page 41 and 42: Lake trout diet: February 100% Lake

Quantifying aquatic food web interactions in Lake Chelan ...

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