Primärprozesse beim Sehen der Wirbellosen · Sozialer Stre...
Christian's concept proposes that the growth of mammalian populations is regulated by density-dependent stress reactions due to social interactions. It is discussed why, until now, there is little clarification of the particular stimuli emitted from con specifics which lead to stress reactions. The main part of the paper presents an overview of experiments on tree-shrews (Tu paia belangeri). These animals ...