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The ecological underpinnings of effective conservation, restoration, and fisheries management forms the core of my research activities. What are the outcomes of our management actions? Are the effects strong or weak, short or long-lasting? Do our management interventions have unexpected outcomes? The answers to these questions help us to decide what types of management actions to take, and when and where to take them. Through my research, I attempt to further our understanding of ecological dynamics in order to more effectively diagnose the underlying causes of conditions demanding conservation and management interventions, as well as the types of actions to take and contexts likely to impact their effectiveness.

 

Much of my ecological research falls within the realm of behavioral ecology. Behavioral responses are among the most rapid and flexible responses that aquatic organisms have to changing environmental conditions. Fish behavior is often both targeted by and influences the outcome of conservation and management actions. For example, the addition of habitat patches to attract exploited species is a management action with an outcome dependent on the behavior of target species and the ecological conditions that shape their behaviors. Ecological patterns resulting from fish behavior is a particular interest of mine, especially space use, biological invasions, and recruitment dynamics.

 

I currently have four general areas of active research:

Black Carp experiment.jpg

Biological Invasions

 

Ecosystem impacts and assessment metrics

 

Reproductive success and recruitment

 

Monitoring and early detection

 

Dispersal and spread

 

Long-term dynamics

 

Novel predator-prey interactions

Aquatic landscape structure and ecological processes

Behavioral and productivity responses to habitat enhancements/additions

 

Functional connectivity

 

Environmental gradients and fish space use and performance

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Walleye 584 mm Guy Schmidt.jpg

Fishery exploitation dynamics

Harvest regulations

Spatial patterns fishing effort

Stakeholder perception dynamics following management interventions

Urban and rural fishery dynamics

Ecology of early life stages

Behaviors and environmental factors shaping performance of early life stages

Foraging behavior juvenile black carp

Non-native ichthyoplankton dynamics

Centrarchid recruitment

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