When looking for potential trout streams, one of the
most important aspects to look for is proper trout habitat. In
order for any trout stream to be successful, it must have protective
habitat, spawning habitat, and proper habitat for trout food sources
such as aquatic insects. Protective habitat is possibly the most
important, for this often determines just how many trout a stream
can physically hold. The most important types of protective habitat
are pools, undercuts, and logjams.
One of the reasons that Sulfur Springs is such a success is its
great deal of sizable, well covered, and deep holes (often caused
by the culverts under the parkway) which can hold a number of
trout safely:
For meandering streams such as Spring Brook, most of
the protective habitat for trout is in the form of undercuts.
These occur when the water cuts the lower part of the bank, leaving
the top of the bank overhanging, or when the stream cuts under
a standing tree, leaving deep protective pockets under the roots:
When it comes to spawning habitat and habitat for food
resources, the requirements are similar. In both instances it
is important for the stream to have a good amount of gravel and
small rock slabs. For spawning, a successful stream must have
pools with gavel pockets at the tail end, for this is where the
upwellings occur that are essential for brook trout spawning.
In the riffle areas before and after pools, gavel and slabs are
used as habitat for the aquatic insects that are the main food
resource for brook trout. Without these two types of habitat it
would be impossible for a trout population to be sustained, therefore
they are requirements in potential trout streams.
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