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West Babine Sustainable Resource Management Plan

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Objective (s) 11 Indicator(s) Target/Measure <strong>Management</strong> Considerations<br />

2. To maintain a<br />

distribution of<br />

mature, old and<br />

early seral<br />

forest reflective<br />

of the natural<br />

disturbance<br />

regime.<br />

3. To maintain<br />

connectivity of<br />

old and mature<br />

forest cover<br />

within<br />

Landscape<br />

Riparian<br />

Corridors (See<br />

Map 6, page<br />

71).<br />

a. Amount of<br />

mature and old<br />

seral forest<br />

retained by<br />

BEC subzone<br />

(See Map 5,<br />

page 70).<br />

b. Amount of<br />

early seral<br />

forest at any<br />

one time by<br />

BEC subzone<br />

(See Map 5,<br />

page 70).<br />

c. Amount of old<br />

seral forest at<br />

any one time,<br />

by BEC<br />

subzone (see<br />

Map 5, page<br />

70).<br />

a. Amount and<br />

quality of old<br />

and mature<br />

forest cover<br />

within<br />

Landscape<br />

Riparian<br />

Corridors.<br />

% retention of<br />

mature and old seral<br />

forest by BEC<br />

subzone: 13<br />

ESSFwv >61%<br />

ESSFmc >44%<br />

ICHmc >46%<br />

SBSmc >35%<br />

Maximum amount<br />

of early seral forest<br />

(< 40 years) by BEC<br />

subzone: 12<br />

ESSFwv 17%<br />

At least 70%<br />

retention of structure<br />

within Landscape<br />

Riparian Corridors.<br />

No alteration of<br />

fluvial or floodplain<br />

ecosystems 14 that<br />

may be subject to<br />

frequent or<br />

infrequent flooding.<br />

Mature forest is defined as > 120 years<br />

in ESSFwv and ESSFmc; and > 100<br />

years in the ICHmc and SBSmc. Old<br />

forest is defined as >250 years except in<br />

the SBSmc where it is defined as >140<br />

years.<br />

Old forest is defined as >250 years<br />

except in the SBSmc where it is defined<br />

as >140 years.<br />

NOTE: Much of the % retention<br />

required for old seral forest has been<br />

spatially identified in Core Ecosystems,<br />

non-operable forest, Special<br />

<strong>Management</strong> Zones, and the <strong>Babine</strong><br />

River Corridor park.<br />

Operational plans for harvesting within<br />

Landscape Riparian Corridors (see Map<br />

6, page 71) should consider the harvest<br />

pattern adjacent to the corridor. For<br />

example, clearcuts adjacent to the<br />

corridor will constrain harvesting<br />

strategies within the corridor.<br />

Conversely, modified harvesting<br />

adjacent to the corridor will increase the<br />

flexibility for harvesting in a corridor<br />

(see Table 4, page 19).<br />

13<br />

Percents for all zones except ICHmc based on Steventon, 2002. Figures for ICH based on Biodiversity Guidebook.<br />

14<br />

A fluvial or floodplain ecosystem is one in which the floristic community is influenced by the flooding from an adjacent<br />

stream or river. This includes subsurface, periodic over-bank or annual over-bank flooding.<br />

Page 16 March 2004

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