Kirsten Sellheim

Kirsten Sellheim
Cramer Fish Sciences

About

14
Publications
2,400
Reads
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232
Citations
Citations since 2016
6 Research Items
155 Citations
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20162017201820192020202120220510152025
20162017201820192020202120220510152025
20162017201820192020202120220510152025

Publications

Publications (14)
Article
Full-text available
Understanding life-history diversity in a population is imperative to developing effective fisheries management and conservation practices, particularly in degraded environments with high environmental variability. Here, we examined variation in habitat use and migration patterns of White Sturgeon (Acipenser transmontanus), a long-lived migratory f...
Article
Full-text available
White Sturgeon (Acipenser transmontanus) are a long-lived, slow-growing, and late-reproducing anadromous fish common in estuaries and coastal habitats along the North American West Coast. These life history characteristics make populations vulnerable to human impacts and a challenge to study and manage. Previous studies in the San Francisco Estuary...
Article
Water competition in overallocated rivers is often extreme, and climate change exacerbates the challenge of balancing ecosystem and societal water needs. During a severe California drought in 2013–2014, storage in a strategic reservoir dropped to critically low levels, necessitating reduced downstream discharge during Chinook salmon, Oncorhynchus t...
Article
Full-text available
Spatial variation in habitat structure is a well-recognized characteristic of lotic ecosystems. The resulting patchwork mosaic provides opportunities for growth and survival as well as mortality risks for fish migrating through these systems. Dam construction within a watershed has numerous downstream tail water effects that alter creation and evol...
Article
Successful Pacific salmon reintroduction to rivers where they have been extirpated requires understanding the range of habitats and environmental conditions that currently exist and their ability to support target species. In the San Joaquin River, California, Chinook Salmon Oncorhynchus tshawytscha are targeted for reintroduction after their extir...
Article
Full-text available
Didymo (Didymosphenia geminata) is a freshwater colonial diatom native to northern latitude lakes and streams and, until recently, was considered indicative of high-altitude, low-temperature, nutrient-poor habitats experiencing little anthropogenic impact. In recent years, however, this diatom has expanded its geographic distribution into lower lat...
Conference Paper
Background/Question/Methods There has been an increase in river restoration projects on regulated California Central Valley rivers due to undesired anthropogenic effects (e.g. dams, diversions, agriculture, levees and urban development). These effects interrupt and reduce the quantity and quality of bed sediment substrates necessary for anadromous...
Conference Paper
Background/Question/Methods Virtually all large California rivers have been altered by damming and regulation to provide power, water, and flood protection to the world’s eighth largest economy. This has created conflict between perceived economic needs and the protection of key ecological processes and production. This past year, the worst droug...
Conference Paper
Background/Question/Methods Gravel augmentation is used in sediment-starved streams to improve salmonid spawning habitat. As gravel is added to river channels, water surface elevations rise in adjacent areas, activating floodplain habitat at lower flows and floodplains inundate more frequently, potentially affecting the quantity and quality of juv...
Article
Anadromous salmonid diversity and abundance worldwide have been adversely impacted by anthropogenic forces, and millions of dollars are spent each year on stream habitat restoration and enhancement. However, there is a paucity of data comparing site use by salmonids before and after enhancement implementation, and few studies examine the specific e...
Article
Fourteen years (1996–2009) of juvenile Chinook salmon, Oncorhynchus tschawytscha (Walbaum), migration data on the regulated Stanislaus River, California, USA were used to evaluate how survival, migration strategy and fish size respond to flow regime, temperature and spawner density. An information theoretic approach was used to select the best appr...
Article
Ecology Letters (2010) 13: 194–201 A rapidly accumulating body of research has shown that species diversity consistently affects the functioning of ecosystems. The incorporation of trophic complexity and the extension of this research to larger scales and natural ranges in species diversity remain as important challenges for understanding the true...
Article
Full-text available
Native and exotic sessile invertebrates can act as habitat modifiers and influence the diversity and composition of associated epifaunal communities. Theory and empirical research predict that greater habitat structural complexity will generally result in higher abundance, richness, and diversity of epifaunal species. We evaluated the impact of a r...

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