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Urswick Tarn is owned by Urswick Parish Council which decided to lease
it to a dedicated Association back in 1968.
The tarn is managed by the Association under the terms of its
lease and in accordance with its own constitution which is approved
by the Parish Council. An
important reference for the Association's committee in the
management of the tarn is the Urswick Tarn Management Plan compiled
by Cumbria Wildlife Trust and periodically update by them in
discussion with the Association.
Of particular concern to the Association, its Trustees and the
Parish Council is the extent that the reed bed has declined over the
latter decades of the 20th Century due to infilling and reclamation
of the Tarn edge. This has caused loss of reeds but also made
it difficult for the reeds to re-establish on the steepened bank
sides. Amphibians and birds have also suffered from the loss
of shallows and bay area. The Management Plan emphasises that
the importance of reeds for wildfowl cannot be overstressed.
They provide areas to rest, preen, feed, shelter, nest and breed.
Loss of habitat causes a drop in the breeding success and an
increase in the mortality rate.
There has been a very significant decline in the population of coot
on Urswick Tarn over the last half century. Their presence
was so abundant, and had been so for such a long period of time that
they are a part of Urswick folklore with Urswick people themselves being known
throughout the district as Ossick Coots. In modern times one
is hard pressed to count as many as thirty on the tarn - a fraction
of what used to be. Whilst this is a very visible decline,
other species, such as the more secretive water vole, have also
suffered a dramatic fall in numbers; testimony to the views of the
specialists as expressed in the Management Plan. Remediation
of the root causes is possible and hoped for, but this would need to
be executed under expert guidance to avoid adding to, rather than
alleviating, the damage that is currently evident. Nature and
man can coexist, and Urswick Tarn is a location where this should be
the case, but a more considerate approach is needed than has been
the case in many instances so evident at points around the tarn.
The above three photographs show the changes which have taken place
at the north end of Urswick Tarn between the 1960s and 2007. The
major loss of habitat and accompanying ecological opportunity is
self evident.
The Association manages the fishing on the tarn via a permit system
and similarly regulates the use of boats.
Caring for the natural environment in and around the tarn is
a time consuming, and at times challenging task for the small dedicated band of volunteers who
regularly commit their time and energy.
The result of this effort is a gem of aquatic
ecology, of which the parish is justifiably proud, as well as being
grateful to those who endeavour so hard to keep it so.
Particularly encouraging is the active participation in the
Association by young people from the village. More are
encouraged to join in and thereby learn about and care for what will
eventually be an important part of their rural inheritance.
Urswick Tarn is an exceptionally rare marl tarn and has become a location of
importance for research into anthropogenic climate change. Exeter University
are the lead academic institution involved in this work, which to date has confirmed the
significance of the carbonate content in the sediment deposits of the
tarn. More intensive field work is planned for the future and is
currently in its preparatory stages.