Researches on Population Ecology

Volume 40, 1998

Number 3,

Contents 　

Special feature: Extinction Risk of Natural Populations and Phenotypic Traits Evolution

from the 18th symposium of the Society of Population Ecology in Okinawa, 1997

Preface Y. Iwasa --257

Anthropogenic, ecological and genetic factors in extinction and conservation
R. Lande 259--(Abstracts & Address)

Extinction risk assessment of declining wild populations: the case of the southern bluefin tuna
H. Matsuda, Y. Takenaka, T. Yahara & Y. Uozumi 271--(Abstracts & Address)

Theoretical aspects of extinction by inbreeding depression
Y. Tanaka 279--(Abstracts & Address)

Delayed maturation in the colonial coral Goniastrea aspera (Scleractinia): whole-colony mortality, colony growth and polyp egg production.
K. Sakai 287--(Abstracts & Address)

Evolutionary character changes and population responses in an insect host-parasitoid experimental system
M. Tuda 293--(Abstracts & Address)

Genetic changes of life history and behavioral traits during mass-rearing in the melon fly, Bactrocera cucurbitae (Diptera: Tephritidae)
T. Miyatake 301--(Abstracts & Address)

Genetic risk of domestication in artificial fish stocking and its possible reduction
Y. Harada, M. Yokota & M. Iizuka 311--(Abstracts & Address)

Original paper

Social structure and the defensive role of soldiers in a eusocial bamboo aphid, Pseudoregma bambucicola (Homoptera: Aphididae): a test of the defence-optimization hypothesis
H. Shibao 325--(Abstracts & Address)

A simple method to estimate insect mortality from field census data: a modification of the Kiritani-Nakasuji-Manly method
K. Yamamura 335--(Abstracts & Address)