Researches on Population Ecology
Vol. 7, No. 2, 1965

Contents

Lidicker, W. Z. Jr.
Comparative study of density regulation in confined populations of four species of rodents
57-72


Mohr, C.
Calculation of area of animal activity by use of median axes and centers in scatter diagrams
73-86


Miura, T.
Population studies based on relative abundance of five different life history stages of Ayu, Plecoglossus altivelis (Pisces, Plecoglossidae), in lake Biwa
87-98


Nakafuji, F., N. Hokyo and K. Kiritani
Spatial distribution of three plant bugs in relation to their behavior
99-108


Kobayashi, S.
Influence of parental density on the distribution pattern of eggs in the common cabbage butterfly, Pieris rapae crucivora
109-117


Fujii, K.
A statistical model of the competition curve
118-125


Morishita, M.
A revision of the methods for estimating population values of the index of dispersion in the I_ƒÂ-method
126-128