Colleen M. Kearns
Cornell University
13 Papers
238 Citations
Colleen M. Kearns is an academic researcher from Cornell University. The author has contributed to research in topics: Population & Diaptomus. The author has an hindex of 12, co-authored 13 publications.
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Papers
Age and survivorship of diapausing eggs in a sediment egg bank
TL;DR: The densities of diapausing eggs of the copepod Diaptomus sanguineus in sediments from two small freshwater lakes in Rhode Island showed that egg densities ranged between 4 X 10 4 and 8 x 10 4 eggs/m 2 near the sediment surface and declined to very low values at depths of 10-15 cm in both lakes.
Temporal dispersal: ecological and evolutionary aspects of zooplankton egg banks and the role of sediment mixing.
TL;DR: Two distinct aspects of egg banks, their direct impact on ecological and evolutionary processes versus their usefulness in reconstructing historical changes, are potentially in conflict because for old eggs to hatch, the sediments must be at least partially mixed, degrades the accuracy of the historical record.
Population biology of a failed invasion: Paleolimnology of Daphnia exilis in upstate New York
Nelson G. Hairston,Linda J. Perry,Andrew J. Bohonak,Meghan Q. Fellows,Colleen M. Kearns,Daniel R. Engstrom +5 more
TL;DR: Observations document the ecological and microevolutionary patterns associated with an invasion by an exotic crustacean that currently persists only in the sediment egg bank of Onondaga Lake.
The Interaction of Photoperiod and Temperature in Diapause Timing: A Copepod Example
TL;DR: It is shown that temperature is as important as photoperiod in cuing diapause timing in a population of D. sanguineus living in Bullhead Pond, Rhode Island.
Phenotypic variation in a zooplankton egg bank
TL;DR: This work compared the phenotypic distributions of an important fitness character for individuals collected from active and diapausing subpopulations of a freshwater co- pepod, Diaptomus sanguineus, with a long-lived egg bank to hypothesize that the results are explained by adaptive covariance between traits that influences how long an egg spends in the sediments before hatching and traits that influence the seasonal timing of diapause.