

Invasive species.
My region is absolutely infested with Siberian Elm and Tree Of Heaven (A.K.A., the “semen tree”). You cannot cut them down, because they will resprout like a hydra from the stump. You cannot dig them out, because the smallest root left behind can and will resprout wherever it is, leading to a many-year game of whack-a-mole.
I have near-daily fantasies of going around with a powerful backpack sprayer filled with glyphosate (Round-Up) and an application wand that can extend from 1m to 10m, and hitting everything just as they’re sending nutrients to the roots for winter.
The problem is, Glyphosate is highly restricted to purchase and own in Canada unless you have both the appropriate class of Pesticide Applicator’s License (an agricultural variant, for example) as well as the venue to use it in (own or manage an orchard, for example). Thankfully my family owns an orchard, and I am starting the process for the former.
But still. It’s an absolutely bizarre thing to be obsessing over and I. Just. Cannot. Help. Myself. Every time I drive and see clumps of those disgusting trees, I start to uncontrollably strategize how I could hit them with glyphosate in late September.
One of the hallmarks of a destabilizing and imminently pre-collapse ecosystem is when certain fast lived species like insects have sudden surges or collapses in population.
And I’m talking about short-lived species that typically have yearly cycles. Something that can respond very quickly to sudden surges or absences in food or environmental niches, but which does not normally see sudden population fluctuations in a healthy ecosystem.