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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
We utilized a long-term data base collected over a broad geographic range to examine predator size - prey size relationships for 18 species of marine fish predators from continental shelf waters offExpand
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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 inExpand
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The importance of statistical power analysis: an example fromAnimal 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,Expand
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Nocturnal activity of juvenile Atlantic salmon (Salmo salar) in late summer: evidence of diel activity partitioning
Paired day-night underwater counts of juvenile Atlantic salmon (Salmo salar) were completed on tributaries of the West River, Vermont, U.S.A., between 28 August and 10 September 1995. At waterExpand
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Why do decapod crustaceans prefer small-sized molluscan prey?
A survey of studies examining crab and lobster predation on hard-shelled molluscs indicated that most predators prefer small-sized prey when offered a range of sizes. I suggest that this pattern ofExpand
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Vulnerability of marine forage fishes to piscivory: effects of prey behavior on susceptibility to attack and capture
We conducted a series of size-structured laboratory experiments to quantify and compare the susceptibility of several estuarine and marine forage fishes to attack and capture by piscivorousExpand
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Trophic influences on mercury accumulation in top pelagic predators from offshore New England waters of the northwest Atlantic Ocean.
Trophic pathways and size-based bioaccumulation rates of total mercury were evaluated among recreationally caught albacore tuna (Thunnus alalunga), yellowfin tuna (Thunnus albacares), shortfin makoExpand
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The allometry of cannibalism in piscivorous fishes
Cannibalism is a widespread phenomenon that can have strong population and community effects. In this study, I compare the prey size – predator size relationships of diets with and withoutExpand
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Photopigment spectral absorbance of Lake Malawi cichlids
To predict spectral sensitivity, microspectrophotometry (MSP) was used to measure absorbance of photoreceptor cells from 15 species of Lake Malaŵi cichlids. Each fish had one rod and at least threeExpand
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Primary and secondary defences of squid to cruising and ambush fish predators: variable tactics and their survival value
Longfin squid, Loligo pealeii, were exposed to two predators, bluefish, Pomatomus saltatrix, and summer flounder, Paralichthys dentatus, representing cruising and ambush foraging tactics,Expand
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