We have a policy of retaining the willow trees to suppress exotic weeds and acted as a canopy cover for the understory until the native canopy trees have enough maturity but we are finding that we are gradually thinning them as they either fall over or snap off. Both of which the Grey Willows are prone to do particularly since the Honey Suckle vine has been removed. Once a tree gets a bit of a lean on, because of the very muddy ground, the weight of the top gradually, over a number of months, brings the tree over. When they lean over a track we have to remove them.
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