ニホンヒキガエルBufo japonicus japonicusの自然誌的研究 : XIV.個体の生活史および障害個体の生存

概要

論文の詳細を見る
Life histories of 16 males and 3 females and survival records of 9 injured individuals of the Japanese toad, Bufo japonicus japonicus, are described. Sixteen males which lived from 8 to 11 years participated in the breeding ritual an average of 5.1 times, mated females an average of 1.3 times, and reached 119.7mm in snout-vent length throught their lives. Three females which lived from 7 to 9 years spawned 2.7 times and reached 117.0mm. Extensive data was provided by one male without a left hind leg which was recaptred 55 times during his 8 years life. The fact that this male participated in the breeding ritual 4 times, successfully copulated once, and reached 114mm in body length illustrates that intraspecific competition in the Japanese toad is not as severe as in other species.
日本生態学会の論文
1988-04-30