Prudent investment in rearing nestlings in bull-headed shrikes Masaoki Takagi Original Articles Pages: 617 - 624
Impacts of dugong foraging on benthic animal communities in a Thailand seagrass bed Masahiro NakaokaHiroshi MukaiSuraphol Chunhabundit Original Articles Pages: 625 - 638
Ontogenetic change in the diet of the pond frog, Rana nigromaculata Toshiaki Hirai Original Articles Pages: 639 - 644
Differences in diapause attributes between two clinal forms distinguished by male-to-male aggression in a subsocial spider mite, Schizotetranychus miscanthi Saito Yutaka SaitoTakane SakagamiKen Sahara Original Articles Pages: 645 - 653
Anuran-dependent predation by the giant water bug, Lethocerus deyrollei (Hemiptera: Belostomatidae), in rice fields of Japan Toshiaki HiraiKazumasa Hidaka Original Articles Pages: 655 - 661
Influence of shade timing on an Equisetum arvense L. population Yoshiaki SakamakiYoshio Ino Original Articles Pages: 673 - 686
Spatial and seasonal heterogeneity in understory light conditions caused by differential leaf flushing of deciduous overstory trees Shogo KatoAkira Komiyama Original Articles Pages: 687 - 693
Differences in nitrogen use efficiency between leaves from canopy and subcanopy trees Ryunosuke TatenoHideyuki Kawaguchi Original Articles Pages: 695 - 704
Importance of clonal plants and plant species diversity in the Northeast China Transect Minghua SongMing DongGaoming Jiang Original Articles Pages: 705 - 716
Effects of worker manipulation on the sex ratio of a Japanese ant species, Myrmecina nipponica Tomonori KikuchiRiho YoshiokaNoriko Azuma Note and Comment Pages: 717 - 720