Murrumbidgee Tree Service | Environmental conservation organisation

Murrumbidgee Tree Service

Phone: +61 419 686 918

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24.01.2022 Preparing a young oak tree for transplanting. Using air to excavate a 1ft deep trench; demo at Canberra arboretum.

20.01.2022 A large remnant yellow box displays a large fracture. This appears to be a result caused from branch dominance; o Integration of a branch by the trunk maybe unsatisfactory, which may lead to lateral fibre accumulation on the upper side of the branch. o The branch grows around the trunk, finally forming a shedding collar. ... Initially, the branch was perfectly integrated by the trunk until vitality of the trunk declined and the branch continues to enclose the trunk, (Branch dominance) o The final stages; often the weak trunk then dies or in this case fractures at the union. ‘For strong structures, branches should be smaller (50 percent or less) than the trunk in diameter and spaced vertically along the trunk.’ (Lilly, 2010). An inspection by an accredited AQF level 5 arborist would be able to identify this and prevent a major removal.......money saved! See more

18.01.2022 Too many people have deemed this tree safe; however, it changed when Murrumbidgee Tree service was engaged. Upon assessment several issues became clear. Firstly, and probably the most important was the trees stem taper, this means having a good diameter that decreases to top! Secondly, decay! This was identified in several zones of the tree. Particular interest was identified in the so called 'Hot spot', an area in the trees stem where load is greatest. For this reason, I advised, particularly after storms and adverse weather events, to get your trees assessed!

14.01.2022 A high presence of decay has led to this failure, possibly unpredictable; however, the smallest opening maybe all thats required to evaluate structural integrity. The criterion t/R can be applied. The t/R ratio is simply the ratio of the sound wood shell thickness (t), without the bark, to the radius of the cross section (R). The above example has a t/R ratio of 30%, or .30 or roughly 1/3 of the radius is sound! >70% as in the above tree, likelihood of failure high! This is not to be used dogmatically, but as a guide. A tree inspection by a AQF level 5 arborist can prevent this type of event!

11.01.2022 Exposed roots, damage to infrastructure, no problems! Pneumatic air removes the porous material, exposing the roots. The roots are easily cut and removed, limiting damage to the tree

11.01.2022 Preparing to transplant a young oak tree, while all importantly retaining the amenity. Using pneumatic air, which limits damage to the trees root system. A cable is then looped around and pulled tort, cutting underneath, allowing the root ball to be lifted. The tree is then transplanted to another location

08.01.2022 Air tilling compacted soil. Lemon scented gum. Pretty dry and compacted; however no match for 2000kph air velocity. This service encourages beneficial micro organisms by decreasing compaction and improving air space. Yes! Even tree roots require air

04.01.2022 Borer infestation in large limb, to the untrained eye this would normally go unnoticed. The ramifications from this failing could be catastrophic! Arborist reports don't cost the earth, and in some instances can save money! Make sure you're arborist is properly qualified to make these assessments. AQF Level 5 and a registered user of QTRA!