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Old February 6th, 2018 #1
Dawn Cannon
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Join Date: Jul 2010
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Default Is Melbourne Water removing trees near you? What about the wildlife?

Animals are losing their trees in droves. The cause is population growth. There is a new tree removing policy for all dams and retarding basins in Victoria, treating small retarding basins as if they were big dams, and treating trees as problems, where previously they were considered desirable. See inside for locations. This policy applies in other states as well. VicRoads is also suddenly removing trees en-masse from roadsides and median strips! None of these policies gives adequate consideration to wildlife habitat or cruelty impacts. There is no overall coordinating policy for Australia to ensure the preservation of wildlife and wildlife corridors at local, state and national levels, nor to avoid heat-island creation and local climate change, or citizen despair. With constant clearing for new suburbs and roads all over habitable Australia, tree removal by governments and contractors is reaching the level of a national civil emergency.

Trees and Retarding Basins
The reason for this change of policy around retarding basins is that we have become so overpopulated, due to wilful government policy, that flooding has become a problem.

"When a natural catchment is progressively urbanised, the stormwater runoff characteristics of that catchment change accordingly.The runoff response becomes quicker and larger as the introduction of urban features (eg paved streets, tiled roofs, concrete driveways) reduces the capacity of the catchment to store and retard stormwater flow." (Norman Himsley, "A guiding hand for flood retarding basins," ANCOLD.)

Trees are blamed, when previously they were planted to keep the water table low, stabilise landforms, and suck up floodwater. If there has been a scientific review of the literature regarding the pros and cons of trees on dams, it has escaped me. For this reason, I am very leery of the new policy. ANCOLD is the source of the new guidelines, but you have to pay over $100 to access them, since Melbourne Water is using a private publication.

Victoria's population growth
Victoria's population growth - at around 2.4% is one of the fastest in the world, with a doubling time of under 30 years. Australia's growth at 1.6% is the fastest of OECD countries. No wonder Victoria is now using the ANCOLD rules for *large dams* in order to manage small local retarding basins. These basins were adequate when they were made, before Jeff Kennett, Steve Bracks, and their successors, decided to rapidly grow Victoria's population.
(See https://candobetter.net/node/5262 and https://candobetter.net/node/5268.)

In Victoria, where Melbourne Water manages about 224 retarding basins, there has been a sudden onslaught of mass tree removal with very limited 'community consultation' and absolutely no viable plans for affected wildlife. In this article I have named some affected retarding basins. If you put them together you can see how this de-treeing policy will impact all Melbourne's green wedges and wildlife corridors. How can anyone pretend that we can preserve Victoria's wildlife and our pleasant green spaces if this population tsunami is allowed to go ahead?

Continued:

https://candobetter.net/node/5401
 
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Tags
invasion australia, overpopulation

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