https://www.google.com/url?rct=j&sa=t&url=http://thechronicleherald.ca/business/1225421-nova-scotia-seeks-info-on-wind-farm-s-effect-on-lynx&ct=ga&cd=CAEYASoTNjgxOTE2MzQ5NDYwNTI0NTk4MDIaMWZiYWM0NmZiZmUyN2MzODpjb206ZW46VVM&usg=AFQjCNHB0TpXfp6tJu3Yi_kS0ldZ6yOu3g
Cape Breton Hydro must submit the additional information
within a year. The minister will make a decision on approving
the project within 50 days of receiving amended registration
documentation.
Generation time: 2-5 years, varying with the cycle in
reproduction. Recruitment may
Breton Island has remained stable for at least the
past 30 years
Limiting Factors and Threats
(Vulpes vulpes) and eastern coyotes (Canis latrans).
Although of concern, this source of
Nova Scotia seeks info
on wind farm’s
effect on lynx
A proposed $110-million wind energy project on Cape
Breton could be put
Breton could be put
aside if it’s found the project will have a
negative impact on the endangered Canada lynx habitat.
(TED PRITCHARD)
(TED PRITCHARD)
Provincial Environment Minister Randy Delorey wants
more information on
what impact a $110-million Cape Breton wind energy
project might have
on endangered Canada lynx.
more information on
what impact a $110-million Cape Breton wind energy
project might have
on endangered Canada lynx.
The minister said Friday he needs more information
on the environmental
assessment of the proposed 50-megawatt, 30-turbine
East Bay Hills Wind
Project near East Bay.
on the environmental
assessment of the proposed 50-megawatt, 30-turbine
East Bay Hills Wind
Project near East Bay.
“During the environmental assessment review, it was
determined that
additional information is required to evaluate the
high potential for
adverse effects within the limited remaining habitat
of endangered
Canada lynx,” the minister said in a July 25 letter to
Tom Bird of project developerBluEarth Renewables
Inc. of Guelph, Ont.
determined that
additional information is required to evaluate the
high potential for
adverse effects within the limited remaining habitat
of endangered
Canada lynx,” the minister said in a July 25 letter to
Tom Bird of project developerBluEarth Renewables
Inc. of Guelph, Ont.
“Study methodology and project scope must be
developed in consultation
with, and to the satisfaction of, Nova Scotia
Environment and Nova
Scotia Department of Natural Resources.”
developed in consultation
with, and to the satisfaction of, Nova Scotia
Environment and Nova
Scotia Department of Natural Resources.”
BluEarth is developing the project, located on
Crown land 50 kilometres
southwest of Sydney, through subsidiary Cape
Breton Hydro Inc.
Crown land 50 kilometres
southwest of Sydney, through subsidiary Cape
Breton Hydro Inc.
“Cape Breton Hydro Inc. must use this information
to better inform the
proposed road and turbine layout in order to
maximize avoidance of
impacts to Canada lynx habitat to the greatest
extent possible while
balancing other habitat conservation issues
such as wetland
avoidance,” the minister said.
to better inform the
proposed road and turbine layout in order to
maximize avoidance of
impacts to Canada lynx habitat to the greatest
extent possible while
balancing other habitat conservation issues
such as wetland
avoidance,” the minister said.
Delorey also asked for more information
on the project’s effects
on wetland plants and on the noise it would
generate.
on the project’s effects
on wetland plants and on the noise it would
generate.
Cape Breton Hydro must submit the additional information
within a year. The minister will make a decision on approving
the project within 50 days of receiving amended registration
documentation.
Bird could not be reached for comment Friday.
BluEarth owns or has a stake in wind, hydro and solar projects
operating or under development in Ontario, Alberta and British
Columbia.
operating or under development in Ontario, Alberta and British
Columbia.
The company’s major investors are the Ontario Teachers’
Pension Plan Board and ARC Financialof Calgary.
Pension Plan Board and ARC Financialof Calgary.
---------------------------------------------------------------------------------------------------------------------
STATUS REPORT
on
The Canada Lynx in Nova Scotia
Loup-Cervier
(Lynx canadensis (Kerr 1792))
by
Gerry Parker
23 Marshview Drive
Sackville, New Brunswick
E4L 3B2
FINAL
Submitted to Nova Scotia Species
at Risk Working Group
June 13, 2001
-------------------------
POPULATION INFORMATION
Total number of individuals in the Cape Breton Island population:
Uncertain but at
Uncertain but at
the high in the cycle densities possibly range from 10-11 lynx/
100km2 (~475-525
100km2 (~475-525
individuals) and at the low in the cycle from 2-3 lynx/100 km2
(~95-140
(~95-140
individuals)
Number of mature individuals in the Cape Breton Island
population (effective
population (effective
population size): Depends upon the point in the population
cycle; at lows most
cycle; at lows most
individuals are mature (>2 years old) while at cyclical
highs only ~20-30% of
highs only ~20-30% of
population are mature.
Generation time: 2-5 years, varying with the cycle in
reproduction. Recruitment may
fail for 3-4 years during the low of the 10-year snowshoe
hare cycle.
hare cycle.
Population trend: ______ declining _____increasing
_X___ stable _____unknown
Number of sub-populations: Probably only one (1), most
of which breed on the Cape
of which breed on the Cape
Breton Highlands.
Is the population fragmented? Generally not; small
numbers (10-30) may breed east
numbers (10-30) may breed east
of Bras d'Or Lake.
Number of historic sites from which species has
been extirpated: since
been extirpated: since
~1950, all of mainland Nova Scotia.
Does the species undergo fluctuations? Yes, ~10-
year cyclical fluctuations closely
year cyclical fluctuations closely
allied with the 10-year cycle of snowshoe hare.
-----------------------------------------------------------------------------------------------------------------
Lynx were once distributed on mainland Nova Scotia,
especially the Cobequid Mountain,
especially the Cobequid Mountain,
Pictou Uplands and Musquodoboit Hills Districts of
the Maritime Uplands Ecoregion in the
the Maritime Uplands Ecoregion in the
northern and northeastern portions of the province.
However, for the past 40-50 years, the
However, for the past 40-50 years, the
breeding range of lynx has been restricted to Cape
Breton Island, and there mainly to the
Breton Island, and there mainly to the
Highlands of Victoria and Inverness Counties
(~4,500 km2) and several small areas on the
(~4,500 km2) and several small areas on the
eastern shore of Bras d'Or Lake (~270 km2).
The absence of lynx on the mainland has reduced
The absence of lynx on the mainland has reduced
historic breeding range in Nova Scotia by at
least 50-60%. The distribution of lynx on Cape
least 50-60%. The distribution of lynx on Cape
Breton Island has remained stable for at least the
past 30 years
Continental lynx populations reach their highest
densities in boreal and mixed wood
densities in boreal and mixed wood
forests, and prefer a habitat of diversified age
which supplies habitat required for denning, cover
which supplies habitat required for denning, cover
and food. Lynx are highly dependent on snowshoe
hare (Lepus americanus) for food, and hares
hare (Lepus americanus) for food, and hares
are most common in young (10-25 years), dense,
mixed regenerating forest stands. On Cape
mixed regenerating forest stands. On Cape
Breton Island, most lynx are found on the western
Highlands where a balsam fir (Abies
Highlands where a balsam fir (Abies
balsamea) dominated mixed forest, susceptible
to periodic infestations of the spruce budworm
to periodic infestations of the spruce budworm
(Archips fumiferana), has traditionally provided
a landscape supporting an attractive landscape
a landscape supporting an attractive landscape
mosaic of older-aged and regenerating
conifer-mixed forest stands. From this core
breeding
conifer-mixed forest stands. From this core
breeding
range lynx, during periods of abundance and
in the first years following a crash of snowshoe
in the first years following a crash of snowshoe
hares, have regularly dispersed onto adjacent
lowlands at ~10 year intervals
lowlands at ~10 year intervals
Limiting Factors and Threats
The most significant threat identified for northern taiga
lynx populations is over-trapping
lynx populations is over-trapping
during years of suppressed productivity and reduced
densities. Most jurisdictions now recognize
densities. Most jurisdictions now recognize
that threat and regulate harvests accordingly. Except
for a small aboriginal harvest (~4-5 per
for a small aboriginal harvest (~4-5 per
year), which was closed several years ago for
conservation reasons, the trapping of lynx in Nova
conservation reasons, the trapping of lynx in Nova
Scotia has been illegal since 1980. A small number
of lynx (~5-7 per year) are now accidentally
of lynx (~5-7 per year) are now accidentally
taken each year in traps and snares set for other
furbearers such as bobcat (Lynx rufus), fox
furbearers such as bobcat (Lynx rufus), fox
(Vulpes vulpes) and eastern coyotes (Canis latrans).
Although of concern, this source of
mortality, if it does not measureable increase, should
not by itself pose a threat to the overall
not by itself pose a threat to the overall
viability of the population.
A substantial portion of the Highlands has received
extensive disturbance from forest
extensive disturbance from forest
harvesting operations over the past 30 years, especially
during the period of spruce budworm
during the period of spruce budworm
salvage operations in the late-1970s and early-1980s
. Evidence for healthy snowshoe hare and
. Evidence for healthy snowshoe hare and
lynx population peaks on the Highlands in 1988-90
and 1998-2000 suggests that both species
and 1998-2000 suggests that both species
managed to survive that era of "single resource"
exploitation and significant deforestation. That
exploitation and significant deforestation. That
encouraging observation, combined with a new era
of "multi-resource" ecological landscape
of "multi-resource" ecological landscape
management based upon sustainability and ecological
processes suggests that, with future
processes suggests that, with future
resource management strategies developed through
coopperative planning between industry and
coopperative planning between industry and
government and enhanced programs of ecological
research and wildlife population monitoring,
research and wildlife population monitoring,
the habitat for lynx appears secure for the foreseeable
future.
future.
Both the bobcat and coyote have been identified
as potential threats to viable lynx
as potential threats to viable lynx
populations, especially in southern boreal/montane
habitats, and both potential competitors are
habitats, and both potential competitors are
found on Cape Breton Island. In the absence of
cause/effect research into interspecific
cause/effect research into interspecific
competition and which might show otherwise,
there is no historical correlational evidence that
there is no historical correlational evidence that
either has adversely affected lynx densities or
range limits in the past 20-30 years. More subtle
range limits in the past 20-30 years. More subtle
and longer-term threats include global warming
and subsequent climate change, decline in
and subsequent climate change, decline in
population viability through limited gene flow and
genetic diversity and disease, such as the
genetic diversity and disease, such as the
recent isolation of canine distemper.
L