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Oak Cam
This web cam will follow
the annual life cycle of a valley oak, Quercus lobata. You can
read a lot more about oaks elsewhere on the Hastings web site (see the "Oak
Woodlands"). Here, we can use time lapse (Quicktime) to see
the oak branch go through the circle of life, from March 2007 to May
2008. This tree is adjacent to the offices at Hastings.
What did we learn so
far from this end of a large branch?
-
The larger (20 foot long) branch moved up and down about 3 feet at the
end we are watching (slowly creeping down and out of view) as the leaves
emerged. After the acorns fall and
later the leaves, even this tip of the branch moves up. We added a backboard
that allowed us to anchor most of the larger branch to the left of the image.
The branch tip to the right is free to move up and down. We had to fix the backstop
a few times- high winds bend it over.
-
The branch had flowers one year, but not the next.
So in 2007 we had acorns but not in the fall of 2008. Just another reflection
of the extreme year-year variability in acorn production.
- Acorn cups last
at least 2 years after the acorns fall off.
- We added bits of lace
lichen, Ramalina menziesii, in 2008 and will watch to see if it
grows or spreads. The winds whip it around and it spreads by bits being
torn off in wind storms. There is very little Ramalina on the
rest of the tree.
Current View (below): |
Time Lapse Movie: |
 |