Abstract: This paper deals with the water complement manners of young Chinese alligators duringits hibernation period.40 young alligators are tested in two groups.The experimental groupincludes 15 individuals which are kept wet skin and dry head,with a bath treatment eachweek.The contrastive group consists of 25 individuals which are immersed in 2cm deepwater.With 43 days feeding after hibernation.It is found that:alligators in experimentalgroup are all alive,their body-weight grows faster than that of the contrastive group.Thecontrastive group has 2 alligators died.The effective way for water complement of youngalligators is by skin absorption and not by drinking.

Key words: Soil hydraulic parameters, Model, Soil water characteristic, Soil hydraulic conductivity