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West Babine Sustainable Resource Management Plan

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Carrying capacity The average population that can be sustained on a management<br />

unit, compatible with management objectives for the unit. It is<br />

a function of site characteristics, management goals and<br />

management intensity.<br />

Core Ecosystems <strong>Management</strong> zones identified for the express purpose of<br />

maintaining structural and functional features of old forest<br />

ecosystems. Zone includes Old Growth <strong>Management</strong> Areas<br />

(OGMAs) and Treatment Units 2 from the <strong>Babine</strong> LRUP.<br />

Critical habitat Areas considered to be critically important for sustaining a<br />

population and where development may cause an unacceptable<br />

decline in the population.<br />

Displacement (habitat) The risk of alienating wildlife species (specifically bears in this<br />

plan) from preferred habitat due to point, linear or dispersed<br />

human related activities.<br />

Ecosystem networks Core Ecosystems and Landscape Riparian Corridors.<br />

Equivalent Clearcut Area<br />

(ECA)<br />

The area of a cutblock weighted to estimate the equivalent<br />

effect on snow hydrology as the area of a clear-cut<br />

unregenerated block. For example, a 10 ha clear-cut<br />

unregenerated block has an ECA of 10 ha; if a fully stocked<br />

stand has regenerated to a height of 6 metres, the block now<br />

has an ECA of 5 ha. If, instead of being clear-cut, the block<br />

was selection logged with 30 per cent volume removal, the<br />

ECA is estimated to be 3 ha.<br />

Feasibility (tourism) Assesses the logistical practicality of a tourism opportunity,<br />

including access and infrastructure, distance to markets and<br />

product uniqueness.<br />

Huwilp Gitxsan word. Plural of wilp (house).<br />

Landscape connectivity A qualitative term describing the degree to which latesuccessional<br />

ecosystems are linked to one another to form an<br />

interconnected network. The degree of interconnectedness and<br />

the characteristics of the linkages vary in natural landscapes<br />

based on topography and natural disturbance regime. Breaking<br />

of these linkages may result in fragmentation.<br />

Landscape corridors <strong>Management</strong> zones that include riparian and linkage corridors<br />

which provide landscape connectivity. From the Treatment<br />

Units 1 and 3 of the <strong>Babine</strong> River LRUP.<br />

March 2004 Page 83

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