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Ralph Cartar
Ralph Cartar
Verified email at ucalgary.ca
Title
Cited by
Cited by
Year
Morphological senescence and longevity: an experiment relating wing wear and life span in foraging wild bumble bees
RV Cartar
Journal of Animal Ecology, 225-231, 1992
2021992
Why are bumble bees risk-sensitive foragers?
RV Cartar, LM Dill
Behavioral Ecology and Sociobiology 26, 121-127, 1990
1371990
Resource tracking by bumble bees: responses to plant‐level differences in quality
RV Cartar
Ecology 85 (10), 2764-2771, 2004
1212004
A test of risk‐sensitive foraging in wild bumble bees
RV Cartar
Ecology 72 (3), 888-895, 1991
1171991
Risk‐averse inflorescence departure in hummingbirds and bumble bees: could plants benefit from variable nectar volumes?
JM Biernaskie, RV Cartar, TA Hurly
Oikos 98 (1), 98-104, 2002
1102002
Adjustment of foraging effort and task switching in energy-manipulated wild bumblebee colonies
RV Cartar
Animal Behaviour 44 (1), 75-87, 1992
1091992
What causes wing wear in foraging bumble bees?
DJ Foster, RV Cartar
Journal of Experimental Biology 214 (11), 1896-1901, 2011
972011
The influence of weather on incubation scheduling of the White-rumped Sandpiper (Calidris fuscicollis): a uniparental incubator in a cold environment
RV Cantar, RD Montgomerie
Behaviour 95 (3/4), 261-289, 1985
881985
Habitat structure and animal movement: the behaviour of bumble bees in uniform and random spatial resource distributions
RV Cartar, LA Real
Oecologia 112, 430-434, 1997
811997
Costs of energy shortfall for bumble bee colonies: predation, social parasitism, and brood development
RV Cartar, LM Dill
The Canadian Entomologist 123 (2), 283-293, 1991
811991
Variation in rate of nectar production depends on floral display size: a pollinator manipulation hypothesis
JM Biernaskie, RV Cartar
Functional Ecology 18 (1), 125-129, 2004
802004
Colony energy requirements affect the foraging currency of bumble bees
RV Cartar, LM Dill
Behavioral Ecology and Sociobiology 27, 377-383, 1990
701990
Testis size in sandpipers: the fertilization frequency hypothesis
RV Cartar
Naturwissenschaften 72 (3), 157-158, 1985
541985
A comparison of breeding ecology and reproductive success between morphs of the white-throated sparrow
RW Knapton, RV Cartar, JB Falls
The Wilson Bulletin, 60-71, 1984
521984
Traits and phylogenetic history contribute to network structure across Canadian plant–pollinator communities
SA Chamberlain, RV Cartar, AC Worley, SJ Semmler, G Gielens, S Elwell, ...
Oecologia 176, 545-556, 2014
502014
Day-to-day variation in nest attentiveness of white-rumped sandpipers
RV Cartar, RD Montgomerie
The Condor 89 (2), 252-260, 1987
471987
A morphometric comparison of Western and Semipalmated Sandpipers
RV Cartar
The Wilson Bulletin 96 (2), 277-286, 1984
441984
Robust flight performance of bumble bees with artificially induced wing wear
CA Haas, RV Cartar
Canadian Journal of Zoology 86 (7), 668-675, 2008
422008
Effects of variable retention logging in the boreal forest on the bumble bee-influenced pollination community, evaluated 8–9 years post-logging
CJ Pengelly, RV Cartar
Forest Ecology and Management 260 (6), 994-1002, 2010
402010
Birds of Sarcpa Lake, Melville Peninsula, Northwest Territories: breeding phenologies, densities and biogeography
RD Montgomerie, RV Cartar, RL McLaughlin, B Lyon
Arctic, 65-75, 1983
401983
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