Bank-side trees and similar kinds of terrestrial foliage
contribute in a major way to the energy flow of the
free stone river, and are critical to maintaining a
high level
of productivity for trout and other cold water fish
species. In fact, over 60% of all the energy that goes
into a
free stone river such as the Beaver Kill and Willowemoc
Creek
is in the form of detritis produced along the banks
of those rivers. To emphasize these ecological relationships
and to engage the students in the restoration of bank-side
trees, a demonstration project involving the third
grade
of Roscoe Central School was initiated in 1994. Planting
trees along the banks of the Beaver Kill was undertaken
and is now in its 6th year. Last year, the program
embraced Livingston Manor Central School as well.On
Arbor Day
(usually the last Friday in April), the third
graders,teachers,
parents of students, and a host of adult volunteers gather
on the school grounds and plant trees donated by various
groups (e.g. East Jersey Trout
Unlimited, The Catskill
Fly Fishing Center, Thedore
Gordon Fly Fishers). Trees of various sizes and types have been supplied for our
project below cost by Haledon Nurseries in Wayne, New
Jersey. To date, over three hundred trees have been planted.
 |
Arbor
Day, 1999 |
The aim of this project is to create an awaress among
school children for the role that trees play in the
overall ecological scheme of the cold water fishery
that runs by their school. In the class room, they
learn that trees produce leaves that fall into the
water and quickly rot, serving as a food source for
the shredder species of aquatic insects, that, in
turn are food for the trout. The number of leaves
that are needed to produce just one pound of insects
is staggering, in the neighborhood of 100 pounds!
To produce a one-pound trout, a fish needs to eat
over 10 pounds of insects. So the amount of plant
material that eventually results in just a single
pound of trout is well over 1,000 pounds. The formula
for a successful river is quite simple: the more trees
there are along the river, the more insects there
will be each year. Plentiful insects equals more fish.
They learn that planting bank-side trees also increases
the shade of the river, sort of a natural air conditioner,
if you will. Another function of trees is to harbor
terrestrial insects of all kinds (e.g. ants, bees,
wasps, beetles, etc.), some of which fall into the
river all the time, supplementing the diet of aquatic
insects that trout need to make it through each year
of their growth cycle. Finally, they see for themselves
that trees serve as an "anchor" for the
soil and help to prevent erosion of the river banks.
The instructor reads "The Lorax" to them,
a Dr. Seuss book about ecology, and by the time
they are ready to go to the school grounds and plant
trees
that day they all want to speak for the trees!
Please come and help them do so next Arbor Day. Perhaps
you can also start a Lorax Project for your local
river. Who knows? If all of us pitch in this way,
the ecosystems that we have come to love so much just
might survive intact into the 21st Century.
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