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Predator size - prey size relationships of marine fish predators: interspecific variation and effects of ontogeny and body size on trophic-niche breadth
Examination of predator size - prey size relationships for 18 species of marine fish predators from continental shelf waters off the northeast US coast demonstrated that the range of prey sizes eaten expanded with increasing predator body size for each of the marine predators examined, leading to asymmetric predator size- prey size distribu- tions.
The ecological consequences of limb damage and loss in decapod crustaceans: A review and prospectus
INFERRING ECOLOGICAL RELATIONSHIPS FROM THE EDGES OF SCATTER DIAGRAMS: COMPARISON OF REGRESSION TECHNIQUES
Scatter diagrams have historically proved useful in the study of associative relationships in ecology. Several important ecological questions involve correlations be- tween variables resulting in…
Comparing Early Life History Strategies of Pomatomus saltatrix: a Global Approach
This paper summarizes available life history information from the different regions where P. saltatrix occurs, with a focus on the early life history, to identify areas where more research is needed to assess the degree to which populations of a global species are adapted to their local environment.
Human Consumption of Microplastics.
- K. Cox, Garth A. Covernton, Hailey L. Davies, J. Dower, F. Juanes, Sarah E. Dudas
- Environmental ScienceEnvironmental science & technology
- 5 June 2019
Focusing on the American diet, the number of microplastic particles in commonly consumed foods in relation to their recommended daily intake is evaluated and it is estimated that annual microplastics consumption ranges from 39000 to 52000 particles depending on age and sex.
Infectious disease, shifting climates, and opportunistic predators: cumulative factors potentially impacting wild salmon declines
An overview of the evolutionary and ecological impacts of infectious diseases in wild salmon is provided and ways in which modern technologies can elucidate the microparasites of greatest potential import are suggested.
The importance of statistical power analysis: an example from Animal Behaviour
Statistical significance and biological significance are not the same thing. For example, given a large enough sample size, any statistical hypothesis test is likely to be statistically significant,…
Why do decapod crustaceans prefer small-sized molluscan prey?
- F. Juanes
- Environmental Science
If predation costs are assumed to be non-renewable, then the probability of exhausting them can be included as an additional parameter in the classical diet breadth model and the importance of predation cost selection can be extended to other predators that use mechanical means to attack their prey.
Long-term changes in migration timing of adult Atlantic salmon (Salmo salar) at the southern edge of the species distribution
This work examined 23 years of migration timing data collected at two capture locations in the Connecticut River drainage and found that both dates of first capture and median capture dates have shifted significantly earlier, and quantified changes in migration timing of more northerly stocks.
Predation by juvenile piscivorous bluefish (Pomatomus saltatrix): the influence of prey to predator size ratio and prey type on predator capture success and prey profitability
Capture success, handling time, prey vulnerability, and prey profitability were examined as a function of prey length/predator length ratio for age-0 juvenile bluefish feeding on juvenile striped bass and Atlantic silverside.