Abstract:1. The experiment was carried out in the locality in coastland of Guangdong province, a part of northern edge of the tropics. The tested araes were three varied artificial broad leaf mixed forests. There were varied density of termites. The weight of litter consumed by termites was obtained by comparison of the tested results of both groups, a group of test based on violation by termites and a group of control. The litter was added to all test installations monthly in a quantity close to the natural quantit...