Shaley Valentine

Shaley Valentine
Southern Illinois University Carbondale | SIU · School of Biological Sciences

Master of Science

About

5
Publications
547
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53
Citations
Introduction
I currently am a PhD student in the School of Biological Sciences and the Center for Fisheries, Aquaculture, and Aquatic Sciences at Southern Illinois University-Carbondale studying habitat use, trophic dynamics, and natal stream origin of large river fishes.

Publications

Publications (5)
Article
Full-text available
Manipulating feeding rate and protein quality may improve growth and feeding efficiency of cultured species. However, whether feeding rate, protein quality, or their interaction has a greater effect on growth and feeding efficiency response variables is unknown. To determine whether feeding rate and protein quality individually or interactively aff...
Article
Full-text available
As a result of their extensive home ranges and slow population growth rates, predators have often been perceived to suffer higher risks of extinction than other trophic groups. Our study challenges this extinction-risk paradigm by quantitatively comparing patterns of extinction risk across different trophic groups of mammals, birds, and reptiles. W...
Thesis
Full-text available
Global patterns of threatened mammals, birds, and reptiles based on trophic level, body size, diet, region, habitat, and anthropogenic threat.
Article
Predator–prey interactions including prey switching, predator swamping, and size-selectivity are important in maintaining multi-species systems. In fishes, early life stages are often recruitment bottlenecks due to high mortality partially caused by predation. High mortality is of particular concern for threatened species such as lake sturgeon (Aci...
Article
Aquaculture programs benefit from feeding protocols that result in large larval body size and high survival. Despite high labor, processing, and material costs relative to alternative foods, feeding live foods generally results in high larvae growth and survival. For many species, studies that identify alternative food types or feeding regimens tha...

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