Professor Orlando Sarnelle from Michigan State University visiting JNU

Supported by a grant of international academic exchange from JinanUniversity, professor Orlando Sarnelle from MichiganStateUniversity was invited to visit Institute of Hydrobiology from May 26 to June 4 of 2010.

Prof. Sarnelle gave four lectures of food webs and their response to nutrients to young scientists and graduate students: 1 Interactions among aquatic phytoplankton and zooplankton in population and community dynamics within lakes 2 High SierraExperimentalLakes: enclosure experiments; 3 Microcystis aeruginosa: complex effects of nutrients and exotic herbivores; 4 Meta-analysis to ecological questions.

By using his own data collected from high Sierra experimental lakes, he demonstrated that large filtering zooplankton such Daphnia pulex can efficiently reduce cyanobacteria biomass when fish was removed after killing fish events. His data showed strong interaction in lake ecosystems. He also showed that bottleneck in restoration of large zooplankton by resting egg banks in sediments.

He visited the field station for reservoir limnology in Liuxihe reservoir, and large scaled enclosures for biomanipulation experiment, where he suggested biodiveristy under combining filter-feeding fish species can be tested in enclosure experiments.

Prof. Sarnelle is a limnologist and ecologist with relatively broad interests. A major theme in his research has been to understand the roles that interactions among aquatic populations (primarily phytoplankton and zooplankton) play in population and community dynamics within lakes. He is very interested in assessing how well such experiments inform us about processes in nature. He is a member of the Ecology, Evolutionary Biology & Behavior program and the Center for Water Sciences at MSU, and an adjunct faculty member at the W. K. Kellogg Biological Station, and also a member of the Editorial Board of Ecology/Ecological Monographs.