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Originally posted by Hatcookie
link
The timing of color change and leaf fall are primarily regulated by the calendar, that is, the increasing length of night. None of the other environmental influences-temperature, rainfall, food supply, and so on-are as unvarying as the steadily increasing length of night during autumn.
Are our days shorter than they should be at this time of year? Or are various environmental factors blocking out some of the light, making trees think fall is here early?
hemisphere
hmmm..that would make sense as here is the southern hemisphere spring is early,the bugs are out,some trees have heaps of new growth,my mullberry tree out the back is dropping red fruits already!!...
peace
Originally posted by wayno
I've got an update for you. In an earlier post I said we are not having a problem with Maples here in Windsor, the South-western tip of Ontario. My neighbour's trees across the street look great -- from here. However I was over talking to him today and couldn't believe my eyes as I stood under the largest maple.
Every single large green leaf was spotted on the underside with 5 or 6 large maroon dots about the size of dimes. I will go back and get a picture tomorrow and post it here. It really looks strange to say the least.
Originally posted by thefear1
well...something very strange is happening...its like the beginning of those apocalyptic movies...
im writing from East Europe..Bulgaria to be exact...and i just noticed here that alongside a huge boulevard in our capital city...all of the threes have their leaves fallen out...like 70% of the trees' leaves....i was astonished..cause a couple of days i saw this thread and was like "meh...whatever..doesnt matter" and NOW i see it!! (( bad stuff
Originally posted by WitsEndNJ
A very interesting movie is "Global Dimming" which documents the blocking of sunlight from aerosol pollution. You can see it here: witsendnj.blogspot.com...
I doubt increasing UV radiation (which is possible because stratospheric ozone is still under siege) is the reason foliage is damaged because if that were the case, there ought to be a consistent pattern where outer leaves and needles are more injured because they are absorbing the radiation. Instead the exact opposite is occurring - it's called a "tufted" look, which can be seen on both coniferous (pine) trees and deciduous trees, where the worst loss of foliage and needles is the older, inner layers. This is because absorbing pollution over seasons is more apparent on the older leaves and needles and causes them to fall off.
Once you see the symptoms of decline, they are impossible to miss. Also impossible to ignore is the direction of the trend, and that is heading towards collapse and extinction. Not at all good. We have to stop burning fuel.
I'm still reading this myself and so haven't posted yet, but anyone who wants to understand how much we have wrecked the biosphere with emissions should take a look at the latest assessment to the EPA about nitrogen, published August 18.
yosemite.epa.gov...$File/EPA-SAB-11-013-unsigned.pdf
Originally posted by wayno
reply to post by hopenotfeariswhatweneed
[more
that is really strange. It is almost like summer in the northern and southern hemispheres is overlapping.
The stock market crashing does not worry me much, but plant life crashing all over the world would be a much bigger deal IMHO.
Originally posted by hopenotfeariswhatweneed
reply to post by WitsEndNJ
thats about it....for this decline to be happening on a global scale like it seems to be,pollution could be a very real a nd scary reason,the fact that the plants are dying slowly,some from the tops down could definately indicate some sort of slow poisoning taking years to see the full affects.....
i wonder if the plants can adapt to these changes??
peace
Originally posted by AMANNAMEDQUEST
What's interesting is the maples along the main crossing street from mine, their leaves have turned brown and began to fall off. Every single maple tree on that street. And they all face North, Northwest. My mother said it was because of a local insecticide they were using, which is now banned because of the supposed damage. I will try looking up information on that.
ETA: The maple in the back-yard seems fine. She's probably been there for hundreds of years and she's still a big beautiful tree, a BBT. Erm... oh ya back to what I was here to edit to add;
Our Cigartree out back looks sickly and droopy. The leaves are about the size of standard plain paper 8"x11" -ish. They had this brown substance all over the leaves, almost like nicotine stains. But what was odd, there was more than a dozen bottle flies on each leaf and there is over a hundred leaves. I think they were eating the substance. It's not odd for a lot of insects to be on there as the tree has a symbiotic relationship with carpenter ants and lady bugs. But this fly invasion was unsual.edit on 25-8-2011 by AMANNAMEDQUEST because: (no reason given)
Originally posted by wayno
The stock market crashing does not worry me much, but plant life crashing all over the world would be a much bigger deal IMHO.
Originally posted by SalientSkivvy
Originally posted by wayno
The stock market crashing does not worry me much, but plant life crashing all over the world would be a much bigger deal IMHO.
Obviously the plant life crash world wide is a much bigger problem! Anyone who disagrees is a sociopath and/or needs to get there brains check out!!
No plants = No life. Period.