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The Conservation Biology Alternative for Grizzly Bear Population Restoration
in the Greater Salmon-Selway Region Central Idaho and Western Montana
IV. POPULATION RECOVERY ZONE and POPULATION RECOVERY GOAL
(a) Recovery Zone---Under this alternative, the population recovery
zone includes all of the Selway-Bitterroot, Frank Church-River of No Return,
Sawtooth, and Gospel Hump Wilderness Areas, surrounding inventoried roadless
lands, and other National Forest lands comprising approximately 21,645
square miles (see Figure 2). This area is located on portions of the Clearwater,
Bitterroot, Lolo, Panhandle, Payette, Boise, Sawtooth, Challis, and Salmon
National Forests.
(1)Boundaries
Northern Boundary--The northern boundary of the population recovery
zone shall be the northern boundary of the Mallard-Larkins inventoried
roadless area on the Clearwater and Panhandle National Forests and
the northern boundary of the Sheep Mountain inventoried roadless
area on the Lolo National Forest.
Western Boundary--The western boundary shall be the western boundary
of the Clearwater National Forest; the westernmost boundaries of
the Nez Perce and Payette National Forests east of U.S. Highway
95 and Idaho Highway 55; the westernmost boundaries of the Boise
National Forest east of Idaho Highway 55 (all isolated outliers
of National Forest land are excluded).
Southern Boundary--The southern boundary shall be the southern
boundaries of the Boise, Sawtooth and Challis National Forests north
of U.S. Highway 20.
Eastern Boundary--The eastern boundary shall be the eastern boundaries
of the Challis and Salmon National Forests west of U.S. Highway
93; the Bitterroot National Forest west of Lost Trail Pass northwest
to Trapper Peak; the eastern boundary of the Selway-Bitterroot Wilderness
Area to Lolo Peak and to include Lost Horse and Blodgett Canyons
out to the mouth; the Lolo National Forest from Lolo Peak northwest
to Garden Point; from Garden Point northwest to Rivulet Peak; from
Rivulet Peak northwest to Sunrise Point; from Sunrise Point northwest
to Blacktail Mountain.
This area was selected because it is currently available for grizzly
bear use and historical records indicate that this entire area was
inhabited by grizzly bears. Occasional sightings still occur throughout
this region (Groves 1987, Melquist 1985). The roadless character
of the majority of this land area provides high security habitat,
the most important factor in limiting grizzly bear mortalities.
Since the vast majority of this land area is undeveloped and isolated
from major human population centers, the potential for conflicts
between bears and humans is expected to be low.
The U.S. Fish and Wildlife Service mapped and analyzed a portion
of this area and found it to have high quality grizzly bear habitat
(USFWS 1993). However, this analysis area stops inside a wilderness
area. A vast portion of the Frank Church-River of No Return Wilderness
and Gospel Hump Wilderness, and adjacent roadless lands are directly
contiguous with the U.S. Fish and Wildlife Service analysis area.
A recent habitat suitability analysis (Merrill and Mattson 1995)
analyzed several parameters including habitat productivity, human
activity, and habitat effectiveness and found that suitable habitat
for grizzly bears extends well beyond the U.S. Fish and Wildlife
Service analysis area to the southern end of the Boise National
Forest and including the Sawtooth Wilderness Area and eastward to
the White Cloud Mountains. This area also expands westward encompassing
the Gospel Hump Wilderness Area and most of the Nez Perce and Payette
National Forests. There is no reason to leave these areas out of
the recovery zone. They are part of the large roadless habitat block
and thus function as part of the core area.
Since the central Idaho area is characterized by granitic soils
which in general are less productive, and the southern end of this
region has a drier climate than areas to the north, a larger recovery
area is required to support the same number of bears that might
be located in uniformly high quality habitat (Jonkel, pers. comm.).
(b) Population Recovery Goal--This alternative establishes no
apriori population recovery goal. Rather, it is assumed that all habitat
within the population recovery zone is available for grizzly bears and
they will be allowed to distribute themselves throughout the zone at whatever
density the habitat will support. The Scientific Committee established
in Section 10 shall determine an estimated carrying capacity for the recovery
area based upon the analysis outlined in Section 10(c)(1).
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