Biology Reference
In-Depth Information
Box 3.10.
When to plant and when to let natural regeneration occur
Establishing new areas of plantings can be an important part of farm management
but in some cases it also can be expensive and time consuming. It is therefore
important to carefully weigh up when it is appropriate to instigate a planting pro-
gram and when re-establishing vegetation cover is done best by letting natural
regeneration occur. The most successful natural tree regeneration will occur in
those areas of a farm that are:
within approximately two tree heights of living trees, and
subject to limited grazing pressure from domestic livestock, and
where there has been an absence or limited past history of fertiliser application.
Restoration of tree cover in other parts of the farm where there is high grazing
pressure or a prolonged history of fertiliser application might be best achieved
through an active program of tree planting. 29, 30
plantings for wildlife include: (1) limiting grazing and trampling pressure by
domestic livestock; (2) erecting and then maintaining appropriate fencing; and (3)
not removing dead trees, dead shrubs and fallen branches and logs.
References
1.
Munro, N., Lindenmayer, D.B. and Fischer, J. 2007. Faunal response to
revegetation in agricultural areas of Australia: a review. Ecological
Management and Restoration 8 : 19 9 -2 0 7.
2.
Lindenmayer, D.B., Cunningham, R., Crane, M., Michael, D. and Montague-
Drake, R. 2007. Farmland bird responses to intersecting replanted areas.
Landscape Ecology 22 : 1555-1562.
3.
Lindenmayer, D.B., Knight, E.J., Crane, M.J., Montague-Drake, R., Michael,
D.R. and MacGregor, C.I. 2010. What makes an effective restoration planting
for woodland birds? Biological Conservation 143 : 289-301.
4.
Martin, W.K., Eyears-Chaddock, M., Wilson, B.R. and Lemon, J. 2004. The
value of habitat reconstruction to birds at Gunnedah, New South Wales. Emu
104 : 177-189.
5.
Vesk, P. and Mac Nally, R. 2006. The clock is ticking: revegetation and habitat
for birds and arboreal mammals in rural landscapes of southern Australia.
Agriculture, Ecosystems and Environment 112 : 356-366.
6.
Cunningham, R.B., Lindenmayer, D.B., Crane, M., Michael, D. and
MacGregor, C. 2007. Reptile and arboreal marsupial response to replanted
vegetation in agricultural landscapes. Ecological Applications 17 : 609-619.
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