[NPSBC] Massive die-off of madrone, Arbutus menziesii on Observatory Hill

[Adolf Ceska]

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Season greetings and all the best in the coming year 2017!

 

In the last two or three years we notice a massive Arbutus menziesii die-off
on SW exposed slopes of Observatory Hill, Victoria, BC. Have you seen
something similar elsewhere on Vancouver Island or Gulf Islands? Is it the
result of the more severe summer drought in the last three years, or are
there any other factors that impacted arbutus? In the 2006 winter, we
noticed "Christmas naucoria" (Tubaria punicea) growing at the base of many
arbutus trees in this particular area. Can such infestation be a factor
impacting arbutus?

Also, the rains in the fall came too late and after the rains, many Garry
oak trees started to have new leaves and started to flower. Have you seen
this phenomenon elsewhere?

Please, reply to us only and we will compile your answers.

 

Many thanks and all the best in the coming year!

Oluna & Adolf Ceska

aceska at telus.net



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