Fraser River Delta
IUCN Not ReportedWetland of International Importance (Ramsar Site) · 1982
226 km²
Commune · CAN
Surrey
Canada
CfbTemperate, no dry season, warm summer(80 %)
Species observed
4 141
Observations
1 410 784
Area
316,4km²
Ecological tissue
Sample of 33 species (selected proportionally per kingdom among those with at least one documented interaction here) to keep the graph readable. Hover for details, click to explore the full ecosystem of a species.
ℹ️ The territory contains many more species than displayed and all their documented interactions: the graph is intentionally the structural skeleton (top-N species by composite local score, edges filtered by Serrano 2009 disparity filter α=0.2).
RègnesAnimalPlanteChampignonBacterie
RelationsPredationParasitismeSymbiosePollinisation
StatutEn dangerVulnérableProtégéeEndémique
Indicateurs du tissu écologique
Tissu écologique de Surrey : 24 espèces dont 2 patrimoniales (LR IUCN CR/EN/VU) reliées par 65 interactions GloBI sur 4 types (connectance 12.3%, filtre Serrano α=0.2). 9 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).
Espèces affichées
33
Interactions affichées
65
Connectance
0.123
Patrimoniales
2
Plus dense que (national)0 %(top 100%)
Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).
Species present
4 141 distinct species · 1 410 784 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Climate
Mean T°
10,4°C
Annual rain
1 729mm
Warmest m°
24,2°C
Coldest m°
0,4°C
Elevation: 40 m on average (min -6 m, max 111 m)
Bioclimatic details19 BIO + Köppen full + altitude statsExpert
Annual mean temp.
10,4°C
Annual rain
1 729mm
Warmest month
24,2°C
Coldest month
0,4°C
Mean alt.
40m
Min
-6m
Max
111m
Std. dev.
32m
Köppen-Geiger (dominant)
CfbTemperate, no dry season, warm summer(80 %)Temperate
CHELSA BIO 1-19 v2.1 · ETOPO DEM 60s · Köppen-Geiger 1991-2020 (Beck et al. 2018)
Soil & lithology
pH H₂O
5,2
Org. C
59,1g/kg
Clay
17,8%
Sand
34,8%
Silt
47,3%
Average over 0-30 cm. Per-depth details in expert panel.
Dominant lithology: paGLiMaggregated to Greater Vancouver
3 soil depths detailed0-5cm / 5-15cm / 15-30cm × 5 propsExpert
0–5 cm
pH H₂O
5,2
Org. C
89,3g/kg
Clay
17,6%
Sand
34,2%
Silt
48,2%
5–15 cm
pH H₂O
5,2
Org. C
53,3g/kg
Clay
18,1%
Sand
34,1%
Silt
47,8%
15–30 cm
pH H₂O
5,3
Org. C
34,7g/kg
Clay
17,9%
Sand
36,1%
Silt
46,1%
SoilGrids 250m (ISRIC, 2017) · GLiM v1.0 (Hartmann & Moosdorf 2012)
Land cover
Forest23.7%
Crops6.4%
Built-up8.7%
Bare soil1.7%
Other (grassland, water…)59.6%
Copernicus Global Land Cover 100m (Buchhorn et al. 2020)
Hydrology5 basins · 1 lakes · 15 rivers
Hydrology metrics for this exact territory
Stream length here
77,9km
Lake surface here
0,11km²
Basins crossed
5
Max stream order
7
Max drainage
230 831km²
Discharge in basins
644,1m³/s
Mean precip.
1 222mm/an
Mean T°
9,6°C
Moisture idx
0,35
Max snow
32%
Mean runoff
1 293mm/an
Mean elev. (basins)
62m
Watersheds crossing here
- Bassin de Hjorth Creeksub-area352,6 km²overlap143.74 km²45%
- Bassin de Nicomekl Riversub-area194,8 km²overlap80.67 km²25%
- Bassin de Terrell Creeksub-area379,8 km²overlap47.56 km²15%
- Bassin de South Arm Fraser Riversub-area171,3 km²overlap29.25 km²9%
- Bassin de Stave Riversub-area1 862 km²overlap15.14 km²5%
Lakes (1, top by area)
Rivers / streams (15, ord ≥ 4)
- Nicomekl Riverord 3len here20.50 km82%total25 km
- Hjorth Creekord 1len here7.96 km100%total8 km
- Enver Creekord 2len here7.95 km100%total8 km
- Serpentine Riverord 2len here7.25 km100%total7 km
- Campbell Riverord 2len here7.14 km88%total8 km
- Slough Creekord 3len here6.73 km100%total7 km
- Hyland Creekord 1len here5.21 km100%total5 km
- Latimer Creekord 1len here4.25 km100%total4 km
- Ross Creekord 2len here3.87 km50%total8 km
- Bear Creekord 1len here1.98 km100%total2 km
- Quibble Creekord 1len here1.62 km100%total2 km
- McNally Creekord 1len here1.10 km79%total1 km
3 more river segmentssorted by Strahler order + length
Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10
Human pressure
Pop. density
10hab/km²
Night light
24,3nW
Built-up
865,2%
Pesticides
28,2kg/km²
GHSL POP/Built 2020 · VIIRS lumière nocturne · PEST-CHEMGRIDS 2020 (Maggi et al.)
Protected areas11
IUCN IV · 9IUCN Not Reported · 2🌊 Marine · 4
BOUNDARY BAY WILDLIFE MANAGEMENT AREA
IUCN IVWildlife Management Area · 1995
115 km²
Surrey Bend Regional Park
IUCN IVProtected Area · 2024
3 km²
Tynehead Regional Park
IUCN IVProtected Area · 2024
2 km²
BOUNDARY BAY WILDLIFE MANAGEMENT AREA
IUCN IVWildlife Management Area · 1995
2 km²
SERPENTINE WILDLIFE MANAGEMENT AREA
IUCN IVWildlife Management Area · 2009
1 km²
Complete list11 protected areas
- Fraser River DeltaWetland of International Importance (Ramsar Site)IUCN Not Reported1982226 km²
- BOUNDARY BAY WILDLIFE MANAGEMENT AREAWildlife Management AreaIUCN IV1995115 km²
- Surrey Bend Regional ParkProtected AreaIUCN IV20243 km²
- Tynehead Regional ParkProtected AreaIUCN IV20242 km²
- BOUNDARY BAY WILDLIFE MANAGEMENT AREAWildlife Management AreaIUCN IV19952 km²
- SERPENTINE WILDLIFE MANAGEMENT AREAWildlife Management AreaIUCN IV20091 km²
- Mud BayPrivately Owned Conservation AreaIUCN IV20191 km²
- Centre CreekPrivately Owned Conservation AreaIUCN IV20190 km²
- Privately Protected Area (NCC 142433)Privately Protected AreaIUCN IV20240 km²
- PEACE ARCH PARKA - ParkIUCN Not Reported19390 km²
- Surrey BendPrivately Owned Conservation AreaIUCN IV20190 km²
WDPA (World Database on Protected Areas) — UNEP-WCMC & IUCN