This paper is a part of the studies on the mangrove ecosystem in the estuary of Jiulongjiang River in Fujian Province.The litterfall of Kandelia candel mangrove community was collected for a period of 11 years from 1982 to 1992.The results showed that the annual litter production ranged from 651 2 to 1108 6 g dw/m 2·a.The mean value was 862 9 g/m 2·a of which litter leaf comprised 63 3%,branch 15 9%,fruit 15 3% and flower 5 5% respectively.The yearly litterfall fluctuation rate was 1 70.Seasona...