Frugivory of carnivores and seed dispersal of fleshy fruits in cool-temperate deciduous forests S Koike, H Morimoto, Y Goto, C Kozakai, K Yamazaki Journal of Forest Research 13 (4), 215-222, 2008 | 123 | 2008 |
Effect of mast production on home range use of Japanese black bears C Kozakai, K Yamazaki, Y Nemoto, A Nakajima, S Koike, S Abe, T Masaki, ... The Journal of Wildlife Management 75 (4), 867-875, 2011 | 83 | 2011 |
Estimate of the seed shadow created by the Asiatic black bear Ursus thibetanus and its characteristics as a seed disperser in Japanese cool‐temperate forest S Koike, T Masaki, Y Nemoto, C Kozakai, K Yamazaki, S Kasai, ... Oikos 120 (2), 280-290, 2011 | 80 | 2011 |
Fluctuation of daily activity time budgets of Japanese black bears: relationship to sex, reproductive status, and hard-mast availability C Kozakai, K Yamazaki, Y Nemoto, AMI Nakajima, Y Umemura, S Koike, ... Journal of Mammalogy 94 (2), 351-360, 2013 | 48 | 2013 |
A preliminary evaluation of activity-sensing GPS collars for estimating daily activity patterns of Japanese black bears K Yamazaki, C Kozakai, S Kasai, Y Goto, S Koike, K Furubayashi Ursus 19 (2), 154-161, 2008 | 47 | 2008 |
Myrmecophagy of Japanese black bears in the grasslands of the Ashio area, Nikko National Park, Japan K Yamazaki, C Kozakai, S Koike, H Morimoto, Y Goto, K Furubayashi Ursus 23 (1), 52-64, 2012 | 39 | 2012 |
Effect of hard mast production on foraging and sex-specific behavior of the Asiatic black bear (Ursus thibetanus) S Koike, C Kozakai, Y Nemoto, T Masaki, K Yamazaki, S Abe, A Nakajima, ... Mammal Study 37 (1), 21-28, 2012 | 39 | 2012 |
The role of dung beetles as a secondary seed disperser after dispersal by frugivore mammals in a temperate deciduous forest S Koike, H Morimoto, C Kozakai, I Arimoto, M Soga, K Yamazaki, ... Acta Oecologica 41, 74-81, 2012 | 37 | 2012 |
Spatial and elevational variation in fruiting phenology of a deciduous oak (Quercus crispula) and its effect on foraging behavior of the Asiatic black bear (Ursus thibetanus) A Nakajima, S Koike, T Masaki, T Shimada, C Kozakai, Y Nemoto, ... Ecological Research 27, 529-538, 2012 | 28 | 2012 |
Direct observation of bear myrmecophagy: Relationship between bears’ feeding habits and ant phenology S Fujiwara, S Koike, K Yamazaki, C Kozakai, K Kaji Mammalian Biology 78, 34-40, 2013 | 26 | 2013 |
Insectivory by five sympatric carnivores in cool-temperate deciduous forests S Koike, H Morimoto, Y Goto, C Kozakai, K Yamazaki Mammal study 37 (2), 73-83, 2012 | 26 | 2012 |
Examination of captive Japanese black bear activity using activity sensors C Kozakai, S Koike, K Yamazaki, K Furubayashi Mammal Study 33 (3), 115-119, 2008 | 26 | 2008 |
The selection by the Asiatic black bear (Ursus thibetanus) of spring plant food items according to their nutritional values S Furusaka, C Kozakai, Y Nemoto, Y Umemura, T Naganuma, ... ZooKeys, 121, 2017 | 21 | 2017 |
Seed removal and survival in Asiatic black bear Ursus thibetanus faeces: effect of rodents as secondary seed dispersers S Koike, H Morimoto, C Kozakai, I Arimoto, K Yamazaki, M Iwaoka, ... Wildlife Biology 18 (1), 24-34, 2012 | 21 | 2012 |
Influence of food availability on matrilineal site fidelity of female Asian black bears C Kozakai, Y Nemoto, A Nakajima, S Koike, N Ohnishi, K Yamazaki Mammal Study 42 (4), 219-230, 2017 | 20 | 2017 |
Evaluation of GPS collar performance by stationary tests and fitting on free-ranging Japanese black bears K Yamazaki, S Kasai, S Koike, Y Goto, C Kozakai, K Furubayashi Mammal Study 33 (4), 131-142, 2008 | 20 | 2008 |
Seasonal changes and altitudinal variation in deer fecal pellet decay S Koike, M Soga, H Enari, C Kozakai, Y Nemoto European journal of wildlife research 59, 765-768, 2013 | 18 | 2013 |
How are dung beetle species affected by deer population increases in a cool temperate forest ecosystem? S Koike, M Soga, Y Nemoto, C Kozakai Journal of Zoology 293 (4), 227-233, 2014 | 14 | 2014 |
Mechanisms of human-black bear conflicts in Japan: In preparation for climate change T Honda, C Kozakai Science of the Total Environment 739, 140028, 2020 | 12 | 2020 |
Behavioral study of free ranging Japanese black bears I Does food abundance affect the habitat use of bears? K Yamazaki, S Koike, C Kozakai, Y Nemoto, A Nakajima, T Masaki FFPRI Scientific Meeting Report 4, 60-63, 2009 | 12 | 2009 |