 |
| Ron
Manson with the US Fish and Wildlife Service, Valley City assessing
this springs production. Photo Courtesy ND Game and Fish Department. |
North
Dakota Outdoors - Fishing Hatcheries
By
Doug Leier, North Dakota Game and Fish Department
May
5, 2004 - North Dakota has its share of variety for anglers.
Catfishing on the Red River, paddlefishing on the Yellowstone and
Missouri, walleye at Lake Sakakawea and perch at Devils Lake are
among the more well-known adventures, but every locale seems to
have a unique fishing hole that gives people value for their fishing
license dollar.
It
might be an overgrown slough with a newly discovered panfish population,
or first-rate river fishing on some waterway NOT named Missouri.
Throw in some old coal mine ponds, small watershed dams, large reservoirs
and assorted natural lakes and you have not only a variety of fish,
but variety in types of fishing waters.
While
this variety is good for anglers, it presents challenges for fisheries
managers. One ongoing challenge is maintaining fish populations
in lakes where natural reproduction is sporadic. Fortunately, the
state has two active fish hatcheries that provide stock when needed.
North
Dakota's variety of fishing waters is a function of what nature
provided in the first place. The last glacier left the state with
millions of acres of shallow wetlands, but only a few natural lakes
that were deep enough to support fish over long periods of time.
Since
the 1930's, many dams have been built, creating reservoirs
large and small. In an effort to provide fishing opportunities in
as many places as possible, North Dakota Game and Fish Department
biologists evaluate many new or renewed bodies of water for their
potential to carry fish. Once stocked, some can maintain themselves,
others need help. Because of the hatcheries, the state is able to
maintain many more fishing lakes than would otherwise be possible.
President
Ulysses S. Grant established the first federal fish hatchery in
1872. At present the U.S. Fish and Wildlife Service manages 69 hatcheries
in 35 states. Two are in North Dakota, one at Garrison Dam on the
Missouri River, and one just north of Valley City.
I lived
in Valley City for some time and never realized the hatchery's significance
in providing fish for North Dakota waters. The Valley City hatchery
has been around since 1940, providing perch, northern pike, and
at times walleye, muskie and bass for area waters.
 |
| Photo
Courtesy ND Game and Fish Department. |
The
North Dakota Game and Fish Department and Fish and Wildlife Service
have a unique working relationship. While the hatcheries are under
federal jurisdiction, the state is an active partner. Biologists
from both agencies take walleye and pike eggs each spring. After
eggs are fertilized, incubated, hatched, and young fish grow up
some at the hatchery, state workers transport the fish back into
area waters.
In
a perfect world, biologists would never have to stock fish in a
lake. And some lakes, both natural and man-made, do maintain wild'
populations of certain fish species. Fisheries managers can also
do some things to promote natural reproduction in some waters, such
as water level management, creating artificial spawning habitat,
or protecting existing habitat.
But
many North Dakota waters just don't have the right kind of habitat
for some fish species to successfully spawn, even though the rest
of their requirements are met. In those cases, periodic stocking
is an adequate substitute.
Stocking
is much more than just dumping small fish in body of water. Biologists
evaluate each lake's environment to determine which types of fish
might prosper and how many fingerlings to put in. For instance,
lakes that wouldn't support walleye and perch might be well suited
for largemouth bass and bluegill.
Whatever the ideal mix, the state is fortunate to have two hatcheries
that help maintain fisheries where they might not otherwise exist.
And anglers don't seem to mind much whether fish on the end of their
line are stocked or naturally produced.
So
each spring while you're chasing turkeys or working out the
knots on last year's fishing line (remember you were going
to do that last winter), state and federal fisheries were braving
cold temperatures and even colder water to ensure that some of your
favorite fishing holes would produce fresh fillets a few years down
the road.
Catching
those fish, like always, is still your job.
Leier
is a biologist for the Game and Fish Department. He can be reached
via email: dleier@state.nd.us
|