Lake Trout Ecosystems in a Changing Environment - Chapter 6 ppt
Lake Trout Ecosystems in a Changing Environment - Chapter 6 ppt
... 1-m increase in transparency would result in an increase in Z
10
of
ca. 1 m. Following a 2-m increase in transparency, optimal habitat volumes in the same
lakes would be reduced by between 8 and ... trout habitat, or any other class of habitat.
A
0
© 2004 by CRC Press LLC
chapter six
Lake trout (Salvelinus namaycush)
habitat volumes and boundaries
in Canadian Shiel...
Lake Trout Ecosystems in a Changing Environment - Chapter 1 pptx
... Physical and Chemical Characteristics of Lake Trout Lakes within the Boreal Shield Study Area
Ontario Quebec Adirondacks (NY) Minnesota Total
Surface area (ha) 553.4 ± 1 066 .6 459.4 ± 903 .6 266 .6 ... 8,000 years ago. Lake Agassiz was impounded between
the retreating ice margins and the Manitoba Escarpment — the present-day remnants
including Lakes Manitoba, Winnipeg, Dauphin, an...
Lake Trout Ecosystems in a Changing Environment - Chapter 7 ppt
... concentration distributions in 293 lake trout lakes and 927 lakes with
no lake trout in Ontario.
Lake Trout Lakes Non -Lake Trout Lakes
0-2
4 -6
8-1 0
1 2-1 4
1 6- 1 8 2 0-2 2
2 4-2 6 2 8-3 0
Total Phosphorus (µg/L)
40
30
20
10
0
Percent ... maximum and (b) mean depths between 1892 lake trout lakes and 4 36
other non lake trout lakes with availa...
Lake Trout Ecosystems in a Changing Environment - Chapter 14 ppt
... to lake trout lakes have
received sufficient attention in forest and fisheries management planning. We think that
forest access roads and the increases in angling pressure they create have a far ... near-pristine lake located within the wilderness setting of Killarney Provincial Park
and was used as an alternate lake to test the habitat manipulation technique. It has good
water...
Lake Trout Ecosystems in a Changing Environment - Chapter 2 doc
... Superior basin, and finally eastward into Lake Barlow-Ojib
-
way (Mandrak and Crossman, 1992). Lake Barlow-Ojibway extended across northeastern
Ontario and northwestern Quebec, and drained into the ... variants have been
identified in Shield lake trout populations, including black fins (e.g., Redstone Lake) and
pale or dark background coloration (e.g., Lost Dog Lake and Ca...
Lake Trout Ecosystems in a Changing Environment - Chapter 3 doc
... typical approach used in the past.
Pulse stocking
First, we propose stocking all available hatchery-reared lake trout allocated to a lake in a
given year into one selected locality that has an abundance ... observed in lake trout rehabilitation. First, hatchery-origin lake trout have
difficulty finding and using off-shore areas of suitable spawning habitat (e.g., Krueg...
Lake Trout Ecosystems in a Changing Environment - Chapter 5 pot
... spawning areas in the littoral zones of Lake aux Sables using a tarp
(Benoît and Legault, 2002) led lake trout to abandon these areas and reproduce in the
artificial deep-water spawning areas ... occurring after lake trout spawning. Draw-
downs occurred before lake spawning on 39 lakes and during spawning on 14 lakes (some
lakes had drawdowns occurring at more than one time)...
Lake Trout Ecosystems in a Changing Environment - Chapter 8 doc
... Molot, L .A. , 2003, Predicting optimal habitat boundaries for lake trout
(Salvelinus namaycush Walbaum) in Canadian Shield lakes, Canadian Journal of Fisheries and
Aquatic Sciences (in press).
Dillon, ... long-term integrity of lake
trout habitat will require the management of activities in the catchments of lakes that
affect DOC inputs to lakes. Climate change and acid rain als...
Lake Trout Ecosystems in a Changing Environment - Chapter 9 ppsx
... pollutants may be increasing
Hg concentrations in lake trout in small Boreal lakes. Experimental lake acidification was
observed to increase Hg in fish (Wiener et al., 1990) and Hg in fish in lakes ... mercury dynamics in Lake
Ontario lake trout (Salvelinus namaycush), Canadian Journal of Fisheries and Aquatic Sciences 49:
10 86 10 96.
Cabana, G. and Rasmussen, J.B.,...
Lake Trout Ecosystems in a Changing Environment - Chapter 10 potx
... Catskills,
and Appalachian Plateau of Pennsylvania (Wigington et al., 19 96) . All streams had low
ANC values and physical habitats judged suitable for fish survival and reproduction, and
all had ... monomeric
Al, in comparison to lakes with fish (Gallagher and Baker, 1990).
Small, high-elevation lakes in the Adirondacks are more likely to be fishless than
larger lakes at low elevation (G...
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