R. B. Aiken

Publications17
h-index8
Citations168
Highly Influential Citations8
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The adhesive strength of the palettes of males of a boreal water beetle, Dytiscus alaskanus J. Balfour Browne (Coleoptera: Dytiscidae)
The adhesive strength of specialized setae on the palettes of male Dytiscus alaskanus was investigated by recording the mass that palettes were able to lift. Large primary and secondary adhesive… Expand
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A design for multifactorial choice experiments: an example using microhabitat selection by sea slugs Onchidoris bilamellata (L.)
When animals make choices (selecting foods, habitats, mates, etc.), they must assess multiple factors, often simultaneously. Moreover, certain factors have more weight in the choice-making process… Expand
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Effects of temperature on incubation times and mortality rates of eggs of Dytiscus alaskanus (Coleoptera: Dytiscidae)
Eggs of the predaceous water beetle Dytiscus alaskanus were incubated in the laboratory at 10, 15, 20, 25 and 30°C. All measures of rate of development showed a significant linear regression with… Expand
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A size selective underwater light trap
A size selective underwater light trap is described. Trap records indicate that the trap is effective in taking a wide variety of organisms within size limits that can be set by the experimenter.
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Attachment sites, phenology, and growth of larvae of Eylais sp. (Acari) on Dytiscus alaskanus J. Balfour-Browne (Coleoptera: Dytiscidae)
Larvae of aquatic mites are common ectoparasites of aquatic beetles. A population of Dytiscus alaskanus (Coleoptera: Dytiscidae) studied in a central Alberta lake was parasitized by members of the… Expand
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Theories of sexual difference: the sexual selection hypothesis and its antecedents, 1786 - 1919
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Latitudinal variation in the reproductive cycle and size of the northern rock barnacle Semibalanus balanoides (L.) (Cirripedia, Archaeobalanidae) in the Bay of Fundy
The reproductive phenology and size of populations of Semibalanus balanoides were studied at four sites along a latitudinal gradient in the Bay of Fundy. Animals were collected from May 2006 through… Expand
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Freeze tolerance in the intertidal nudibranch, Dendronotus frondosus (Opisthobranchia: Dendronotidae)
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An Effective Trapping and Marking Method for Aquatic Beetles
A floating bottle trap, constructed from a translucent plastic jar fitted with floats that kept the trap mouth pitched downward, was designed to alleviate problems with previous trap designs. This… Expand
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EFFECT OF TEMPERATURE ON DEVELOPMENT TIME IN EGG MASSES OF THE INTERTIDAL NUDIBRANCH, DENDRONOTUS FRONDOSUS (ASCANIUS 1774) (OPISTHOBRANCHIA, DENDRONOTACEA)
Abstract Dendronotus frondosus (Ascanius 1774) is a common inhabitant of the intertidal zone of the lower Bay of Fundy. This nudibranch experiences great daily fluctuations in physical conditions… Expand
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