Literature written on mangrove replanting recommends that seedlings be first planted in containers in order to allow the development of a healthy root system prior to setting the plants out at a replanting site. It is noted that when unrooted seedlings are planted in areas directly on the site, they are most often washed away. In some instances stakes are suggested to help secure rooted seedlings to reduce this problem; however, it is generally advocated that plants be placed just above the high tide line since wave action can disturb or displace the seedlings. The transplanting of already established mangrove trees has also been suggested as a desirable approach since this greatly reduces the time required to establish a healthy stand. But even when mangroves up to 4 feet in height are transplanted it is recommended that existing mangroves in the area be used as a guide for placing the new plantings relative to the water line.