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!I!IERSKINE

POINT

GRAVEPOINT

Mt. Erskine441m

Mt. ErskineProvincial Park

SA

NS

UM

N

AR

RO

WS

B o o t hB a y

S T U A R TC H A N N E L

M ax wel l Creek

Rober tsLake

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90710DG5

145710RW

93310RK5

80910RW

90210GC2b

148710CF2b

88510RW

150910DFw4

172010RF4Lc

87210UR

144910DSks5Ll

149810HD5

144710ESj1a

83610RK5

144510DFk5

149010CF2b

88910RW

75910RK5Lesi

82010RK4

144310RW

148210HKks5

91010RW

171910HKsw4Lc

171810HKsw5

150710DF4

86610RW

93210DArs5

164210RT5M

92110RF5

146610HDk5

150010DSks5Legr

88310RF2aLl

152610DSsz6

155110HKks5Lcwr

89510RK4

90010RW

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148310HD6

146410DF4

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SGICWHxm1

SGICDFmm

´Map Revision Date: Project ID:Map Scale:

October 26, 200707.00771:20,000

ECOSECTION & BIOGEOCLIMATIC UNITS ECOSYSTEM UNIT LABEL

MAP SYMBOLS

32

5RFz5 C Lc

5DFz5 M

PercentileEcosystem Unit

Site Modifier

Structural StageStand Composition

Polygon IDDisturbance CodeSGI

CDFmmEcosectionBiogeoclimatic Unit

Figure 7: Terrestrial Ecosystem Conservation Rankings: Mount Erskine Provincial Park

Conservation RankPlot Location - Maxwell TEM (2003)Plot Location - CDF TEM (2007)Rare BirdRare PlantRare Plant Community (Forest)Rare Plant Community (Oak)!7

!.

!4

!I

!(

!(

Very HighHighModerateLowVery Low

RoadRivers & Creeks- DefiniteRivers & Creeks - IndefiniteBiogeoclimatic UnitEcosystem UnitParks & Ecological Reserves

ECOSECTION & BIOGEOCLIMATIC UNITS Ecosections SGI: Southern Gulf Islands

Biogeoclimatic Units: CDFmm: Coastal Douglas-Fir zone, moist maritime subzone CWHxm1: Coastal Western Hemlock zone, very dry maritime subzone, eastern variant

ECOSYSTEM UNITS MAPPED IN THE CDFmm Site

Code Description Site Series

Assumed Modifiers Soil Moisture Regime

CS Western redcedar - Slough sedge 14 d, j, m subhydric DA Douglas-fir - Shore pine - Arbutus 02 d, j, m, r xeric DG Douglas-fir - Grand fir - Oregon grape 04 d, j, m subxeric - mesic DO Douglas-fir - Oniongrass 03 d, m, r xeric DS Douglas-fir - Salal 01 d, j, m subxeric - mesic FC Fescue - Camas 00 j, m, s subxeric GO Garry oak - Oceanspray 00 j, m, r xeric - subxeric HL Hardhack - Labrador tea 00 d, j, p subhydric QB Garry oak–Brome/mixed grasses 00 j, m, r xeric - subxeric RF Western redcedar - Grand fir - Foamflower 06 d, j, m subhygric - hygric RK Western redcedar - Douglas-fir - Oregon beaked moss 05 d, j, m subhygric - hygric RP Western redcedar - Indian-plum 13 d, j, m hygric RS Western redcedar - Snowberry 07 a, d, j, m subhygric - hygric RV Western redcedar - Vanilla-leaf 12 d, j, m subhygric SC Cladina - Wallace's selaginella 00 j, m, r, v subxeric

ECOSYSTEM UNITS MAPPED IN THE CWHxm1 Site

Code Description Site Series

Assumed Modifiers Soil Moisture Regime

AM Arbutus - Hairy manzanita 00 j, r, s xeric DC Douglas-fir - Shore pine-Cladina 02 d, j, m very xeric DF Douglas-fir - Sword fern 04 d, j, m xeric - subxeric DS Douglas-fir - Western hemlock - Salal 03 d, j, m xeric - subxeric HD Western hemlock - Western redcedar - Deer fern 06 d, j, m subhygric - hygric HK Douglas-fir - Western hemlock - Oregon beaked moss 01 d, j, m submesic - mesic HL Hardhack - Labrador tea 00 d, j, p subhydric RF Western redcedar - Grand fir - Foamflower 07 d, j, m subhygric - hygric RS Western redcedar - Swordfern 05 d, j, m submesic - mesic SC Cladina - Wallace’ s selaginella 00 j, m, r, v very xeric

ANTHROPOGENIC AND SPARSELY VEGETATED UNITS Site

Code Description Site Code Description

BE beach ES exposed soil CF cultivated field GP gravel pit CL cliff RO rock outcrop CO cultivated orchard RW rural developed

SITE MODIFIERS (Atypical Conditions) Code Topography

g gullying: occurs within a gully, or with gullying throughout the delineated area h hummocky terrain: indicated by the terrain surface expression j gentle slope: < 35% in the CWH and CDF zones k cool aspect: occurs on aspects 285 –135 , on moderately steep slopes (35%–100% in the CWH and CDF) q very steep cool aspect–very steep slopes (< 100%) with aspects 285 –135 r ridge: occurs throughout an area of ridged terrain, or on a ridge crest w warm aspect: 135 –285 , on moderately steep slopes (35%–100% slope in the CWH and CDF zones) z very steep warm aspect –slopes > 100% on aspects 135 –285

Code Moisture x drier than typical y moister than typical

Code Soil v very shallow soils: < 20 cm to bedrock

STRUCTURAL STAGE & STRUCTURAL STAGE MODIFIERS Code Structural Stage

1 Sparse/bryoid bryophytes and lichens dominant, may reflect recent disturbance; Sparse (1a) bare rock or ground (< 10% vegetation cover) / Bryoid (1b) bryophytes and lichens dominant

2 Herb some invading or residual shrubs and trees may be present, may reflect recent disturbance; Forb-dominated (2a) includes non-graminoid herbs and ferns; Graminoid-dominated (2b) grasses, sedges, rushes, reeds; Aquatic herbs (2c) dominate the site with standing water or submerged

3 Shrub Early successional stage or maintained by environmental conditions or disturbance Low shrub (3a) < 2 m tall / Tall shrub (3b) 2–10 m tall

4 Pole/Sapling Trees > 10 m tall, often densely stocked, no vertical canopy structure, typically < 40 years since disturbance 5 Young Forest Self-thinning and canopy differentiation initiated, typically 40–80 years since disturbance 6 Mature Forest Mature tree canopy, typically 80–250 years since disturbance 7 Old Forest Structurally complex stands comprised mainly of shade-tolerant and regenerating tree species; snags and coarse

woody debris and patchy understories, typically> 250 years since disturbance. Code Stand Composition Modifiers

B broadleaf (> 75% of stand) C conifer (> 75% of stand) M mixed (neither comprises > 75% of stand)

DISTURBANCE CLASSES AND MODIFIERS B Biotic Disturbances d Domestic grazing/browsing L Forest Harvesting L Forest Harvesting c

wr d

gr

clearcut system with reserves (patch retention) seed tree system grouped

e gr si

l

selection system group selection single tree land clearing ADDITIONAL ECOSYSTEM LABELS 801 8DSks4Lc 2DSkv4Lc 1523 10HDks4Lc 1548 7RSqv5Lc 3RSks4Lc 1545 4AMrv4 3DCsw4 3CLz 1553 4HKks4 3HDks5 3HKkv5 1714 5HKxz5 5CLz1a