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TAS Country : October 7th 2010
12 Tasmanian Country Friday, October 8, 2010 NATURE S WAY: Eucalypts need disturbance. Don't forget good forest management JOHN Lord and David Bower should be congratu- lated on their letters pub- lished in recent editions of Tasmanian Country, lay- ing out the theory and practice of good forest management. However, David Bower in his final sentence --- ''Let us bring truth and science into de- cisions about forest man- agement'' --- is, I'm afraid, a bit optimistic. Final de- cisions are left to govern- ment. This is run by poli- ticians (defined as those whose thinking is defined by personal and party sur- vival) and statesmen (whose thinking is defined by the state's long-term benefit). In many instances, the statesmen are too thin on the ground and bad long- term decisions are adopt- ed. Remember how clean- green hydro power gener- ation extension was denied by government action prompted by environ- mental activists? We now use an increasing percent- age of coal- and gas- generated power imported from Victoria with a huge carbon footprint. Remember how snares --- not to be confused with steel traps --- were banned, thus removing one of the most selective and humane methods of game control. Remember the current move to ban 1080 poison, ie banning a poison to which nature carrion eaters such as devils, eagles, crows are largely immune. We must be grateful that the current ''political environmental'' thinking wasn't around during the rabbit plagues which, incidentally, are li- kely to return as rabbits develop immunity. The present move to lock up all public land is re- markably shortsighted if not downright stupid. Put simply, eucalypts are not politically correct, they are pyrogenic --- they have evolved over the millennia to cope with fire to such an extent that they use fire as a tool to give them the edge over their botanical com- petitors. In short, eucalypts can cope with, and need, large- scale disturbance, they must have a large hole in the canopy to reseed and fire favours them over their competitors. To ''lock up'' high- quality eucalypt forest, which has myrtle sassa- fras, dogwood etc as an understorey is to condemn the eucalypts to extinction. To lock up drier eucalypt forest will just condemn it to decadence with eucalypt regrowth confined to patches of windfall --- if it's extensive enough to make a large hole in the canopy. There's enough forest in reservation to satisfy the wildness requisites. Why not leave the remainder to be managed in a manner that guarantees vigorous forest in perpetuity with a carbon sequestering capa- bility far in excess of a decadent forest?IAN SWAN Westbury Revamp hits the spot MY husband Bob, 83, has been getting Tasmanian Country for as long as he can remember and wants you to know he loves the new format. It is easy to read, interesting and informative, and he is enjoying it more than he ever has before. Thanks for keeping him happy! Best wishes and keep up the good work. BOB & JENNY WHEATLEY Leave levee alone THE bastardising of the Jordan River levee's amazing World Heri- tage site for a road, which cannot be as important to the world as 40,000 years of history, is beyond belief. The road will crumble, but these priceless relics have withstood 40,000 years of use and abuse and they have many secrets and know- ledge to reveal for the future of our nation and the world. Building a bridge over the Jordan levee's 40,000-year-old Ab- original and World Heritage ar- chaeological site will confirm to the world Tasmania's reputation as a backward, ignorant island. This is a site that must be preserved and have its secrets unlocked and revealed for the betterment of the whole world. BETH MULLER Glenorchy Your Say email@example.com References: 1. Of the endectocide class. 2. Shoop et al (1996) - "Eprinomectin is the most potent broad-spectrum avermectin/ milbemycin identified to date." 3. See product label for full details. 4. Baggott et al (1999); Paul et al (2000). Merial Australia Pty Ltd, Level 6, 79 George Street, Parramatta NSW 2150 (ABN 53 071 187 285). IVOMEC, EPRINEX and the cattle head are registered trademarks of Merial Limited. 2009 Merial Limited. All rights reserved. IVEP-09-063. Adze 4575 THE POUR-ON WITH MORE GRUNT. EPRINEX -- the most potent pour-on on the market1,2 . KILLS WORMS Kills more species and stages of worms than any other pour-on3 KILLS WORMS The fastest acting endectocide available4 KILLS WORMS FOR Kills more species of worms for longer than any other pour-on LONGER FASTER MORE TASMANIAN ALKALOIDS Value Adding in Tasmania 2029078-100924 To ensure any chance of success, late sown poppy crops will need to germinate straight after sowing. If this means irrigation, PUT IT ON, DON'T PUT IT OFF.
September 30th 2010
October 14th 2010