Herbivore-induced plant volatiles play a vital role in mediating tri-trophic interactions among host plants,herbivores and herbivore natural enemies.

Research progress in tritrophic interactions among host plants, the beet armyworm Spodoptera exigua (Hübner) (Lepidoptera: Noctuidae) and its parasitoids;

Advances in the studies on the chemical ecology of tritrophic interactions among host-plant, herbivore and natural enemies;

Progress in chemical ecology of tritrophic interactions among host-plants, aphids and natural enemies;

Stable carbon isotope study on trophic relationships of Zhubi reef ecosystem in Nansha Islands;

The suspended matter, plankton, benthos and sediment samples were collected at four stations in the Bohai Sea during June 5 to 10, 1997 in order to study the trophic relationships in the Bohai ecosystem by using stable carbon isotope method.

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