| Lake Burley Griffin Willow Management Plan |
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Revegetation
Any willow control program must consider the need for revegetation using
suitable species. For most programs this is usually a mix of native trees,
shrubs, grasses and aquatic plants suitable to the local area. An assessment
would need to be made on whether revegetation is appropriate in the first place,
and on the specific purpose of the revegetation, eg habitat, visual amenity,
soil stability etc. The Lake Burley Griffin Management Plan (1995) can assist
with this as it provides a site-specific guide to the management of vegetation
around the Lake depending on its purpose. This is also discussed in the section
addressing Areas of
Special Consideration.
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| It would be
appropriate to allow aquatic plants and native vegetation to colonise
this site without the need for active revegetation. |
In the case of the Lake Foreshores it may be appropriate in some areas to
allow aquatic plants (and other remnant native vegetation) to colonise with a
minimal of active revegetation. In other areas a full range of native vegetation
may be necessary.
It may also be a possibility that benign exotic vegetation needs to be used
to retain heritage values of the Lake e.g. Weeping Willow to replace problem
willows. This should be undertaken with caution and only where necessary as it
would be counter-productive to replace one problem with another. Many exotic
species pose a similar problem to willows in that they have no or very few
natural predators and expert advice should be sought if this is being
considered.
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Recommendation 15:
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Advice should be sought about the best revegetation species for any
given site with emphasis on environment, heritage and public use and
safety. |
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