Jennifer Gosselin

Jennifer Gosselin
University of Washington Seattle | UW · Columbia Basin Research, School of Aquatic & Fishery Sciences

M.Sc., Ph.D.

About

22
Publications
2,187
Reads
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161
Citations
Citations since 2016
16 Research Items
156 Citations
20162017201820192020202120220102030405060
20162017201820192020202120220102030405060
20162017201820192020202120220102030405060
20162017201820192020202120220102030405060
Introduction
Skills and Expertise
Additional affiliations
September 2006 - December 2011
University of Washington Seattle
Position
  • Pre-doctoral research associate

Publications

Publications (22)
Article
Full-text available
Decision triggers, used in adaptive management frameworks to decide when a specific management action will be implemented, are often informed by monitoring data. The identification and application of decision triggers is highly relevant to endangered fishes migrating through regulated rivers, as examined in the current study. The main goal was to d...
Article
Full-text available
Determining which factors are most effective for mitigative strategies in conservation management can be difficult for species with complex life cycles. Salmon (Oncorhynchus spp.) migrating through a hydroelectric power system experience conditions that can affect their survival directly within a life stage and indirectly in subsequent life stages...
Article
Full-text available
Ecology is often governed by nonlinear dynamics. Nonlinear ecological relationships can include thresholds-incremental changes in drivers that provoke disproportionately large ecological responses. Among the species that experience nonlinear and threshold dynamics are Pacific salmon (Oncor-hynchus spp.). These culturally, ecologically, and economic...
Article
Full-text available
The common practice of incorporating environmental indices into population models has greatly advanced our understanding of ecological systems. Unfortunately, we are increasingly seeing published correlations between population indicators and environmental indices breaking down when tested with new data. Examining how the correlations among indices...
Article
Full-text available
Plain Language Summary Novel climates, or combinations of climate conditions that have not been previously observed in a particular place, can cause surprising outcomes for ecosystem services like fisheries production. We found that during an extreme Gulf of Alaska warming event in 2014–2019, correlations changed between the Pacific Decadal Oscilla...
Article
Full-text available
Preseason abundance forecasts drive management of U.S. West Coast salmon fisheries, yet little is known about how environmental variability influences forecast performance. We compared forecasts of Chinook salmon (Oncorhynchus tshawytscha) against returns for I) key California-Oregon ocean fishery stocks and II) high priority prey stocks for endang...
Article
Full-text available
While survivorship curves typically exhibit smooth declines over time, step-patterned curves can occur with multiple stressors within a life stage. To explore this process, we examined the effects of heat (24°C) and food restriction on juvenile rainbow trout (Oncorhynchus mykiss Walbaum) in challenge experiments. We observed step-patterned survivor...
Article
Full-text available
While survivorship curves typically exhibit smooth declines over time, step-patterned curves can occur with multiple stressors within a life stage. To explore this process, we examined the effects of heat (24 ºC) and food restriction on juvenile rainbow trout (Oncorhynchus mykiss Walbaum) in challenge experiments. We observed step-patterned survivo...
Article
Climate change is likely to change the relationships between commonly used climate indices and underlying patterns of climate variability, but this complexity is rarely considered in studies using climate indices. Here, we show that the physical and ecological conditions mapping onto the Pacific Decadal Oscillation (PDO) index and North Pacific Gyr...
Conference Paper
Full-text available
Preseason abundance forecasts drive management of salmon fisheries off the U.S. West Coast, yet little is known about how environmental variability influences forecast performance. Understanding shared patterns in forecast performance can identify scenarios with heightened management risk due to shared over/under-forecasting of a large proportion o...
Article
Full-text available
Experiences of migratory species in one habitat may affect their survival in the next habitat, in what is known as carryover effects. These effects are especially relevant for understanding how freshwater experience affects survival in anadromous fishes. Here, we study the carryover effects of juvenile salmon passage through a hydropower system (Sn...
Article
Full-text available
Experiences of migratory species in one habitat may affect their survival in the next habitat, in what is known as carryover effects. These effects are especially relevant for understanding how freshwater experience affects survival in anadromous fishes. Here, we study the carryover effects of juvenile salmon passage through a hydropower system (Sn...
Article
We examined delayed effects (or carryover effects) on marine survival from the freshwater experiences of migrating Chinook Salmon Oncorhynchus tshawytscha. Juvenile Chinook Salmon that differed in their freshwater experience in passing hydroelectric power dams of the Columbia and Snake rivers (Pacific Northwest) as run-of-the-river or barged fish w...
Article
Full-text available
Determining when resource competition increases survivorship can reveal processes underlying population dynamics and reinforce the importance of heterogeneity among individuals in conservation. We ran an experiment mimicking the effects of competition in a growing season on survivorship during a selection event (e.g., overwinter starvation, drought...
Conference Paper
Background/Question/Methods The effects of variability in mass on survival have remained elusive, despite the well demonstrated increased survival caused by increased mean size or mean growth in fish populations. In this study, we examined the effects of food competition on variability in body masses and vitality, which is an abstract measure of...
Conference Paper
We studied the effect of food competition on heterogeneity in growth and survival capacity. In a two-stage experimental protocol, four groups of juvenile guppies (Poecilia reticulata) were first treated with differing amounts of food and foraging competition for 21 days and then challenged with increased water temperature and starvation. Fitting th...

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