John J. Gilbert

Professor Emeritus of Biological Sciences

I am currently interested in several aspects of rotifer biology and ecology. Specifically, these interests include control of sexual reproduction and diapause in the life cycle, phenotypic plasticity and developmental polymorphisms, and predator-prey interactions.

Curriculum Vitae
341 Life Sciences Center
HB 6044
B.A. Williams College
Ph.D. Yale University

Selected publications

Gilbert, J.J. and M.A. McPeek. In press. Maternal age and spine development in a rotifer: ecological implications and evolution. Ecology.

Gilbert, J.J. 2013. The cost of predator-induced morphological defense in rotifers: experimental studies and synthesis. J. Plankton Res. 35: 461-472.

Gilbert, J.J. 2012. Predator-induced defense in rotifers: developmental lags for morph transformations, and effect on population growth. Aquatic Ecol. 46: 475-486.

Gilbert, J.J. 2012. Effects of an ostracod (Cypris pubera) on the rotifer Keratella tropica: predation and reduced spine development. Internat. Rev. Hydrobiol. 97: 445-453.

Gilbert, J.J. 2011. Temperature, kairomones, and phenotypic plasticity in the rotifer Keratella tropica (Apstein, 1907). Hydrobiologia 678: 179-190.

Gilbert, J.J. 2011. Induction of different defenses by two enemies in the rotifer Keratella tropica: response priority and sensitivity to enemy density. Freshwat. Biol. 56: 926-938.

Gilbert, J.J. 2010. Effect of food concentration on the production and viability of resting eggs of the rotifer Brachionus: implications for the timing of sexual reproduction. Freshwat. Biol. 55: 2437-2446

Gilbert, J.J. and M.C. Diéguez. 2010. Low crowding threshold for induction of sexual reproduction and diapause in a Patagonian rotifer. Freshwat. Biol. 55: 1705-1718.

Gilbert, J.J. 2009. Predator-specific inducible defenses in the rotifer Keratella tropica. Freshwat. Biol. 54: 1933-1946.

Schröder, T and J.J. Gilbert. 2009. Maternal age and spine development in the rotifer Brachionus calyciflorus: increase of spine length with birth order. Freshwat. Biol. 54: 1054-1065.

Gilbert, J.J. 2007. Timing of diapause in monogonont rotifers. In: Diapause in aquatic invertebrates: theory and human use (V. Alekseev, J. J. Gilbert and B. De Stasio, eds.). Springer, Dordrecht, The Netherlands. pp. 11-27.

Gilbert, J.J. 2007. Induction of mictic females in the rotifer Brachionus: oocytes of amictic females respond individually to population-density signal only during oogenesis shortly before oviposition. Freshwat. Biol. 52: 1417-1426.

Gilbert, J.J. and E.J. Walsh. 2005. Brachionus calyciflorus is a species complex: mating behavior and genetic differentiation among four geographically isolated strains. Hydrobiologia 546: 257-265.

Gilbert, J. J. and T. Schröder. 2004. Rotifers from diapausing, fertilized eggs: unique features and emergence. Limnol. Oceanogr. 49: 1341-1354.

Gilbert, J.J. 2004. Females from resting eggs and parthenogenetic eggs in the rotifer Brachionus calyciflorus: lipid droplets, starvation resistance and reproduction. Freshwat. Biol. 49: 1505-1515.

Schröder, T. and J.J. Gilbert. 2004. Transgenerational plasticity for sexual reproduction and diapause in the life cycle of monogonont rotifers: intraclonal, intraspecific and interspecific variation in the response to crowding. Functional Ecology 18: 458-466.

Gilbert, J.J. 2003. Environmental and endogenous control of sexuality in a rotifer life cycle: developmental and population biology. Evolution & Development 5: 19-24.

Diéguez, M.C. and J.J. Gilbert. 2003. Predation by Buenoa macrotibialis (Insecta, Hemiptera) on zooplankton: effect of light on selection and consumption of prey. J. Plankton Res. 25: 759-769.

Gilbert, J.J. and T. Schröder. 2003. The ciliate epibiont Epistylis pygmaeum: selection for zooplankton hosts, reproduction and effect on two rotifer hosts. Freshwat. Biol. 48: 878-893.

Gilbert, J.J. 2003. Specificity of crowding response that induces sexuality in the rotifer Brachionus. Limnol. Oceanogr. 48: 1297-1303.

Gilbert, J.J. 2002. Endogenous regulation of environmentally-induced sexuality in a rotifer: a multi-generational parental effect induced by fertilization. Freshwat. Biol. 47: 1633-1641.

Diéguez, M.C. and J.J. Gilbert. 2002. Suppression of the rotifer Polyarthra remata by the omnivorous copepod Tropocyclops extensus: predation or competition. J. Plankton Res. 24: 359-369.

Gilbert, J.J. 1999. Kairomone-induced morphological defenses in rotifers. In: The ecology and evolution of inducible defenses (R. Tollrian and C.D. Harvell, eds.). Princeton University Press. pp. 127-141.

Gilbert, J.J. 1988. Suppression of rotifer populations by Daphnia: a review of the evidence, the mechanisms, and the effects on zooplankton community structure. Limnol. Oceanogr. 33: 1286-1303.

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