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Kazuharu Ohashi
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Behavioral responses of pollinators to variation in floral display size and their influences on the evolution of floral traits
K Ohashi, T Yahara
Cognitive ecology of pollination, 274-296, 2001
1862001
Visit larger displays but probe proportionally fewer flowers: counterintuitive behaviour of nectar‐collecting bumble bees achieves an ideal free distribution
K Ohashi, T Yahara
Functional Ecology 16 (4), 492-503, 2002
1372002
Trapline foraging by pollinators: its ontogeny, economics and possible consequences for plants
K Ohashi, JD Thomson
Annals of Botany 103 (9), 1365-1378, 2009
1362009
Effects of variation in flower number on pollinator visits in Cirsium purpuratum (Asteraceae)
K Ohashi, T Yahara
American Journal of Botany 85 (2), 219-224, 1998
1361998
How do floral display size and the density of surrounding flowers influence the likelihood of bumble bee revisitation to a plant?
TT Makino, K Ohashi, S Sakai
Functional Ecology 21 (1), 87-95, 2007
1172007
Trapline foraging by bumble bees: IV. Optimization of route geometry in the absence of competition
K Ohashi, JD Thomson, D D'souza
Behavioral Ecology 18 (1), 1-11, 2007
1012007
Efficient harvesting of renewing resources
K Ohashi, JD Thomson
Behavioral Ecology 16 (3), 592-605, 2005
892005
Contrasting responses of bumble bees to feeding conspecifics on their familiar and unfamiliar flowers
LG Kawaguchi, K Ohashi, Y Toquenaga
Proceedings of the Royal Society B: Biological Sciences 274 (1626), 2661-2667, 2007
832007
Facultative use of the repellent scent mark in foraging bumblebees: complex versus simple flowers
N Saleh, K Ohashi, JD Thomson, L Chittka
Animal Behaviour 71 (4), 847-854, 2006
822006
Trapline foraging by bumble bees: V. Effects of experience and priority on competitive performance
K Ohashi, A Leslie, JD Thomson
Behavioral Ecology 19 (5), 936-948, 2008
772008
How long to stay on, and how often to visit a flowering plant?: a model for foraging strategy when floral displays vary in size
K Ohashi, T Yahara
Oikos 86 (2), 386-392, 1999
741999
Do bumble bees save time when choosing novel flowers by following conspecifics?
LG Kawaguchi, K Ohashi, Y Toquenaga
Functional Ecology 20 (2), 239-244, 2006
652006
Floral colour change in the eyes of pollinators: testing possible constraints and correlated evolution.
K Ohashi, TT Makino, K Arikawa
Functional Ecology, 2015
632015
Consequences of floral complexity for bumblebee‐mediated geitonogamous self‐pollination in Salvia nipponica Miq.(Labiatae)
K Ohashi
Evolution 56 (12), 2414-2423, 2002
552002
Ability of Bumblebees to Discriminate Differences in the Shape of Artificial Flowers of Primula sieboldii (Primulaceae)
Y Yoshioka, K Ohashi, A Konuma, H Iwata, R Ohsawa, S Ninomiya
Annals of Botany 99 (6), 1175-1182, 2007
442007
An automated system for tracking and identifying individual nectar foragers at multiple feeders
K Ohashi, D D’Souza, JD Thomson
Behavioral ecology and sociobiology 64, 891-897, 2010
422010
How does a floral colour‐changing species differ from its non‐colour‐changing congener?–a comparison of trait combinations and their effects on pollination
MF Suzuki, K Ohashi
Functional ecology 28 (3), 549-560, 2014
252014
Effects of flower production and predispersal seed predation on reproduction in Cirsium purpuratum
K Ohashi, T Yahara
Canadian Journal of Botany 78 (2), 230-236, 2000
242000
Trapline foraging by bumble bees: VI. Behavioral alterations under speed–accuracy trade-offs
K Ohashi, JD Thomson
Behavioral ecology 24 (1), 182-189, 2013
192013
Honest signals to maintain a long‐lasting relationship: floral colour change prevents plant‐level avoidance by experienced pollinators
TT Makino, K Ohashi
Functional Ecology 31 (4), 831-837, 2017
182017
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