
Earthscapes:
The Northshore

The Ecosystems
of Lake Ennis
by Bob Dvorak
Click on highlighted words
for a more detailed description.
As glaciers rolled across the landscape of Northeastern Minnesota, they
left enormous ice boulders in their path. As the glaciers
crept past, these enormous boulders remained, leaving an impression in the
land and melting to form lakes. Cuts like these are what caused Lake Ennis.
Lake Ennis is located about ten miles out of Ely, Minnesota, which is
only about a half an hour drive from the Canadian Border. It is the last
lake located on the Secret/Blackstone trail, being created by a glacial
cut has created this unique ecosystem. Much of the soil has been filled
with rich nutrients. Walking along the trail one can see a diversity of
trees, from coniferous pines to deciduous paper birch. The forest environment
is strong and stable due to reduced usage and protective measures by the
DNR and forestry service to keep the trail natural and wild.
The soil filled by glacial till is very rich. The adequate
resources provide an amiable environment for vegetation
to grow, encouraging such animals as beavers and trout to flourish in the
lakes and wetlands. Along with this marsh ecosystem comes the environment
of rocks and bluffs. The granite bedrock formations line the shores of the
lake providing its visitors with an amazing spectacle and view of the forest.
The formations also attract climbers, repellers, and hikers.
The smooth faces and jutting out ledges provide the perfect environment
for classes such as Outward Bound to teach mountaineering
skills.
Despite being engulfed by rock, plants are able to survive. Lichens are
a common occurrence all over the rocks. Lichens are a symbiotic pairing
of algae and fungi. Algae provides the lichens with food production and
fungi anchor the lichen to the rock and break the rock down to supply nutrients
for the relationship. Pines loom large over the cliffs as they have worked
their way through cracks and crevasses to establish a foothold on the bluffs.
The cliffs are suited for many small creatures as chipmunks and squirrels
dance dangerously around the edge and birds fly high and nest in the trees.
With a solid rock base, the Lake provides some of the clearest
water around. Being as pure and natural as it is, the lake is perfect
for a freshwater ecosystem as plants line the shores and trout
fill the water. It acts as a watering hole as deer come to drink and beavers
to work.
One can sit atop their choice of the great cliffs and see a beautiful
reflection in the lake as the sun sets on another day or they can wake up
to the mist or the water from a beautiful sunrise. With life everywhere
and water flowing freely through the circle of life, Lake Ennis is perfect
example of many ecosystems working in perfect harmony.
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With the populations of beavers and birds that inhabit the wetland areas
of Lake Ennis, a unique marsh ecosystem is created. Looking entirely
different from the rocky cliffs and bluffs that surround the lake, this
marsh is a habitat that can support numerous species of waterfowl, mammals,
and wildlife. It adds even more color with its green plants to the already
rich environment of the ecosystem.
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With a bedrock base, the water is
some of the clearest and cleanest around the Minnesota area. Without silt,
sand, and clay suspended in the water, the water is crystal
clear and blue as the sky. Rocks can be seen as they taper off down into
this deep lake. The shoreline is amazing as you step off into areas with
a depth of 20 or more feet just a few yards away from the shoreline. Along
with the great cliffs surrounding this deep lake, Ennis is one of the few
safe spots where individuals can overcome their fear of heights and take
an amazing cliff dive into this cool Minnesota lake. With dives from 20
to 50 ft., Lake Ennis is the perfect spot for the beginning or expert thrill
seekers. One can look off a cliff into the deep blue water before taking
that exhilarating step of the ledge and into a free fall towards the surface.
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The cliffs of Lake Ennis have become a common spot for sport climbers
and recreational climbing. Its straight flat faces and gentle grades provide
excellent areas for the novice repeller and climber. Despite having
such elementary climbs and repels, Ennis does have some of the more challenging
climbs of the area. This spot has increased in usage over just the last
three years and is becoming a mainstay for the Outward Bound program and
other outdoor adventure classes
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