MOTZ, A.M.; WOLCOTT, T.G.*; WOLCOTT, D.L.; HINES, A.H.: Sperm Limitation and Operational Sex Ratio in Blue Crabs. To understand whether the intense fishery on male blue crabs (Callinectes sapidus) is leading to sperm limitation and reduced reproductive potential in Chesapeake Bay populations, we are investigating whether the number of males, or their adequacy as mates, […]

Dickey, B.: Prediction and description of interaction patterns in social dominance structures Though social dominance hierarchies have been demonstrated and studied in a wide variety of vertebrate and invertebrate taxa, no models exist that explain or predict which animals should interact aggressively within a hierarchy. Data from empirical studies of social dominance are often presented […]

MATHEWS, L.M.: Evolution of social monogamy in snapping shrimp Social monogamy in the absence of biparental care is a topic of interest, as it is predicted to be rare by parental investment theory, yet it occurs in a broad range of taxa. Most or all caridean shrimp of the genus Alpheus occur in heterosexual pairs, […]

Mahon, A.R.*; Amsler, C.D.; McClintock, J.B.; Baker, B.J.: Chemo-tactile predator avoidance responses of the antarctic limpet, Nacella concinna The antarctic limpet Nacella concinna has the ability to escape potential predation by the highly mobile and predaceous sea star Neosmilaster georgianus. When the sea star comes into contact with the limpet, the limpet undergoes characteristic avoidance […]

SEARS, Michael W.; DUNHAM, Arthur E.: The influence of thermal heterogeneity on life history variation among elevationally separated populations of sagebrush lizards Geographic variation in the thermal environment has been proposed as a mechanism producing life history variation among populations of ectotherms. The longer elevated temperatures can be maintiained for activity, the more time individuals […]

RIEHLE, M. M.*; BENNETT, A. F.; LONG, A.D.: Evolutionary changes in stress gene expression in thermally adapted lines of Escherchia coli . Stress gene expression and stress proteins are widely known to increase in response to thermal stress, playing roles in the degradation or refolding of proteins damaged by environmental stress and in preventing the […]

O’CONNOR, M.P.: Convective heat exchange for animals in and near boundary layers. Convection is one of the dominant pathways of heat exchange in most terrestrial ectotherms. Hence, ecologists must often estimate convective heat exchanges either to dissect the relative contributions of convection and other pathways or to estimate how energy balances will be affected by […]

DILLON, M.E.*; DANIEL, T.L.; HUEY, R.B.: Bumblebee Thermoregulation at High Altitude: it Ain’t as Bad as it Seems Thermoregulation at high altitude is a challenge for flying insects. Achieving body temperatures warm enough for flight is made difficult by low air temperatures, and metabolic heat production is potentially constrained by low O2 partial pressures. Nevertheless, […]

BENNETT, V.A.*; LEE, R.E.; KUKAL, O.: Abiotic and biotic factors affecting water loss rates in the polar desert caterpillar Gynaephora groenlandica (Lepidoptera: Lymantriidae) and the temperate caterpillar, Pyrrharctia isabella (Lepidoptera: Arctiidae) Water conservation is critical for inhabitants of polar deserts, such as the arctic woollybear caterpillar (Gynaephora groenlandica). Although G. groenlandica showed a significant decrease […]

LANDRY,, S.O.; SUNY Binghamton.: The Course of the Nasociliary Nerve- A Minor Mystery Solved. The nasocilary nerve in mammals takes a rather peculiar course. It branches from the ophthalmic division of the trigeminal nerve, and runs through the ethmoid foramen into the cranial fossa of the cranial cavity. Here the nerve pushes upward across the […]