another fallen oak

[DrewB]

another one falls with no roots,i think thats the 5th so far in 12months,amazing they keep missing people

[john burgess]

Have any companies been doing cabling work within the last few years near the oak. Because after watching one company cut through every tree root a metre deep on one side of some street trees I am surprised there are not many more falling and dying.

[Taupotreeman]

Is that Auckland Domain Drew?

[DrewB]

yep sure is. we may be reducing all the oaks on domain drive because of this. no cabling works down this road for many many years...

[treequip]

It’s not at all uncommon to find street trees with little or no roots under the tarmac. The kerb and haunching can go down 500mm or more which either severs existing roots or disrupts the radial pattern in new plantings. The one in your pictures looks to be a respectable bit of civil engineering.

 

Under the tarmac also has less moisture and poor gaseous exchange so not a favourable environment for roots.

 

Shame to lose the tree but on the up side…..firewoodtastic

[Tony Croft aka hamadryad]

combination of circumstances, suspect early colybia played its part here too

[easy-lift guy]

Wow that really could have been messy. Looking at the rest of the trees in the picture I wonder how long it will take for more of the same to take place or worse?.

[Taupotreeman]

You have to wonder if it's anything to do with the volcanic soil up on the Domain.

[DrewB]

yeah i think the volcanic soil must have something to do with it, the ones that fall over are all planted on ancient calderas. sometimes its really clay like so i imagine the compaction from people (these are very popular parks) gets pretty bad.

[Taupotreeman]

Same problem down here, especially around Taumarunui. Pumice gets washed away really easily and undermining occurs where trees are anywhere near a water run off. The water will usually scour away under the roots (which never seem to form properly either) and then over she goes. Everytime it rains down here there's slips and trees over.