Genera and species of Baetidae in Japan: Nigrobaetis, Alainites, Labiobaetis, and Tenuibaetis n. stat. (Ephemeroptera) Toshihito FujitaniToshiya HirowatariKazumi Tanida RESEARCH PAPER Pages: 121 - 129
Accumulation and depuration of microcystin produced by the cyanobacterium Microcystis in a freshwater snail Kazuhiko OzawaAtsushi YokoyamaHo-Dong Park RESEARCH PAPER Pages: 131 - 138
Sedimentary photosynthetic pigments of algae and phototrophic bacteria in Lake Hamana, Japan: temporal changes of anoxia in its five basins Nobuyasu ItohYukinori TaniMitsuyuki Soma RESEARCH PAPER Pages: 139 - 148
Indirect method to estimate convective gas flow through culms of a Phragmites australis stand Mitsuru HirotaTakayoshi Tsuchiya NOTE Pages: 149 - 153
Vertical planktonic structure in the central basin of Lake Baikal in summer 1999, with special reference to the microbial food web Shin-ichi NakanoOsamu MitamuraValentin Drucker NOTE Pages: 155 - 160
Development of filamentous green algae in the benthic algal community in a littoral sand-beach zone of Lake Biwa Kentaro NozakiKhadbaatar DarijavOsamu Mitamura NOTE Pages: 161 - 165
First investigation of ultraoligotrophic alpine Lake Puma Yumco in the pre-Himalayas, China Osamu MitamuraYasushi SeikeMitsugu Nishimura ASIA/OCEANIA REPORT Pages: 167 - 175
Microbial communities in oligotrophic Lake Toya, Japan Akiko NakanoSyuhei Ban ERRATUM Pages: 177 - 177
