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Review and download Chapter 3 - Golden-winged Warbler Working ...

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Northwest Subregion (Focal Areas GL1–GL2; Figures 3–40 <strong>and</strong> 3–41; Table 3–10)<br />

General Description<br />

This subregion supports approximately 1% of the<br />

region’s <strong>and</strong> world’s <strong>Golden</strong>-<strong>winged</strong> <strong>Warbler</strong>s.<br />

The primary habitats for <strong>Golden</strong>-<strong>winged</strong> <strong>Warbler</strong>s<br />

in these focal areas are young aspen forests,<br />

aspen parkl<strong>and</strong>, <strong>and</strong> open oak/shrub savannah. It<br />

is notable that <strong>Golden</strong>-<strong>winged</strong> <strong>Warbler</strong>s occupy<br />

mature aspen forests where gap dynamics<br />

provide suitable nesting habitat (i.e. aspen<br />

parkl<strong>and</strong>). This ecology is unique to this<br />

subregion because aspen forest is the climax<br />

3–64<br />

community unlike in other parts of the range<br />

where it is succeeded by hardwood forest or<br />

other forest types. Blue-<strong>winged</strong> <strong>Warbler</strong>s have<br />

not been observed here <strong>and</strong> no <strong>Golden</strong>-<strong>winged</strong><br />

<strong>Warbler</strong> cryptic hybrids have been detected, so<br />

this is one of the last strongholds for pure<br />

<strong>Golden</strong>-<strong>winged</strong> <strong>Warbler</strong>s. There is high potential<br />

for creating suitable habitat via aspen harvesting<br />

<strong>and</strong> prescribed burning.<br />

Note: there was insufficient remotely sensed data to model <strong>Golden</strong>-<strong>winged</strong> <strong>Warbler</strong> habitat associations<br />

in this subregion.<br />

Table 3–10. Population <strong>and</strong> habitat goals for focal areas in the Northwest subregion.*<br />

Focal<br />

Area<br />

Map ID Focal Area Name<br />

Estimated<br />

Population<br />

for 2010<br />

(individuals)<br />

Population<br />

Goal for<br />

2050<br />

(individuals)<br />

Estimated<br />

Breeding<br />

Habitat for 2010<br />

in acres (ha)<br />

Breeding<br />

Habitat Goal<br />

for 2050 in<br />

acres (ha)<br />

GL1 Manitoba Escarpment 2500 3750 12,500 (5060) 18,750 (7590)<br />

GL2 Manitoba Interlakes 500 750 2500 (1000) 3750 (1520)<br />

*Population estimates are based on expert knowledge <strong>and</strong> <strong>Golden</strong>-<strong>winged</strong> <strong>Warbler</strong> Atlas Project data.<br />

Potential Partners <strong>and</strong> Priority Sties<br />

National/Regional – Environment Canada<br />

(<strong>Golden</strong>-<strong>winged</strong> <strong>Warbler</strong> Recovery Team), Riding<br />

Mountain National Park, Riding Mountain<br />

Biosphere Reserve<br />

Provincial – Manitoba Conservation<br />

NGOs – Bird Studies Canada, The Nature<br />

Conservancy Canada, Nature Manitoba<br />

(Manitoba Naturalists Society), local forest<br />

owners associations (contact extension service<br />

for information)<br />

Industry – Louisiana-Pacific Canada<br />

Tribal – First Nations in Manitoba

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