1. Taxonomical studies of marine interstitial polychaetes.
2. Inventry of polychaete fauna of tidal flats in Japan.
3. Monitoring of benthic animals in Osaka Bay inclusive of estuaries.

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. Phylogenetic systematics on the Gelechiidae of Lepidoptera from East Asia
2. Inventory of the moth fauna in the Kinki Region
3. Investigation on migration of Parantica sita (the Chestnut Tiger Butterfly)
4. Survey on distribution expansion of naturalized insects and plants
5. Research on wing type and overwintering of water strider

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 of parasitic wasps (Hymenoptera, Ichneumonidae)
2. Inventory of hymenopteran fauna of OSAKA and adjacent area
3. Inventory of ichneumonid fauna of marsh land

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

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. Systematic study of Damnacanthus (Rubiaceae).
2. Evolution of heterostyly.
3. Population genetics of Ophiorrhiza japonica (Rubiaceae).
4. Systematic study of Lasianthus (Rubiaceae).

1. Faunal developments of Japanese Islands during the Pliocene and the Pleistocene
2. Taxonomy and phylogeny of stegodont and ancient mammoth.
3. Proboscidean paleoichnology

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. Paleoecological and Paleogeographical study of Quaternary mollusks in western Japan.
2. Reseach for Recent and late Pleistocene freshwater mollusks in Japan.

1. Sedimentology of deltaic to shallow marine settings
2. Geomorphology of shoreline environments
3. Environmental geology in the Yamato River system