1. Ecological studies of fresh water.
2. Conservation biology of river system.

1. Taxonomical and systematical study of Anguilliformes fishes.
2. Fish fauna (including freshwater fishes ) of western Japan and adjacent waters
3. Collection management of fishes, amphibians and reptiles.

1. Ecological interaction of fruits and frugivrous birds
2. Avian community of urban parks
3. Avifauna of OSAKA

1. Marine benthos
2.

1. Phylogenetic systematics on the Gelechiidae of Lepidoptera from East Asia
2. Investigation on migration of Parantica sita (the Chestnut Tiger Butterfly)
3. Survey on distribution expansion of Latrodectus sp. (the Widow Spider)
4. Inventory of the moth fauna in the Kansai Region

1. Systematic entomology on beetles (Coleoptera)
2. Quaternary paleoenvironmentology using beetle remains
3. Inventory of beetle fauna of OSAKA
4. Ecological studies on urban cicadas

1. Systematics and phylogenetics of Ichneumonidae (Hymenoptera)
2. Ethology and host-parasitoid interactions of Polysphincta group (Hymenoptera, Ichneumonidae)
3. Inventory of hymenopteran fauna of Osaka and adjacent areas
4. Spread of an introduced grasshopper, Atractomorpha sinensis and its influences on a native congener.

1. Ecological studies of ectomycorrhizal symbiosis.
2. Landscape ecology of SATOYAMA biota.
3. Inventory of fungal biota of OSAKA.
4. Museum database network with special reference to GIS.

1. Systematics and phylogeny of the seed plants
2. Plant-animal coevolutionary ecology

1. Phylogenetics and population demography of Japanese Polemonium 2. Conservation genetics and ecology of endangered plants 3. Conservation and restoration of semi-natural grassland vegetation 4. Distribution pattern of coastal plants growing in Seto Inland Sea

1. Biostratigraphy and paleooceanography of Cretaceous radiolaria
2. Origin of greenstone in the Shimanto and Hidaka terrane and their tectonics
3. Study of living radiolaria

1. Cenozoic floral change in Japan
2. Evolution of Fagus and Trapaceae
3. Morphology of gymonospermous cone

1. Dinosaur biology and evolution
2. Vertebrate hard tissue: bone histology
3. Secondary adaptation of tetrapods to life in water
4. Gigantism and dwarfism of tetrapods

1. Sedimentology of deltaic to shallow marine settings
2. Geomorphology of shoreline environments
3. Volcaniclastic sedimentology