Twin River Heritage Rangeland Natural Area
IUCN IVNatural Area · 1999
192 km²
Commune · CAN
Warner County No. 5
Canada
BSkArid, steppe, cold(86 %)
Species observed
1 737
Observations
81 797
Area
4 589,1km²
Ecological tissue
Sample of 28 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 Warner County No. 5 : 22 espèces + 6 bulles famille, 40 interactions GloBI documentées sur 3 types (connectance 10.6%, filtre Serrano α=0.2). Les 6 bulles regroupent des espèces visuellement absorbées par famille (≥3 espèces visibles).
Espèces affichées
28
Interactions affichées
40
Connectance
0.106
Patrimoniales
0
Plus dense que (national)0 %(top 100%)
Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).
Species present
1 737 distinct species · 81 797 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Climate
Mean T°
6,3°C
Annual rain
389mm
Warmest m°
26,2°C
Coldest m°
-9,3°C
Elevation: 1 018 m on average (min 869 m, max 1 293 m)
Bioclimatic details19 BIO + Köppen full + altitude statsExpert
Annual mean temp.
6,3°C
Annual rain
389mm
Warmest month
26,2°C
Coldest month
-9,3°C
Mean alt.
1 018m
Min
869m
Max
1 293m
Std. dev.
96m
Köppen-Geiger (dominant)
BSkArid, steppe, cold(86 %)Arid
CHELSA BIO 1-19 v2.1 · ETOPO DEM 60s · Köppen-Geiger 1991-2020 (Beck et al. 2018)
Soil & lithology
pH H₂O
7,1
Org. C
22,5g/kg
Clay
28,4%
Sand
30,8%
Silt
40,8%
Average over 0-30 cm. Per-depth details in expert panel.
Dominant lithology: ssGLiMaggregated to Division No. 2
3 soil depths detailed0-5cm / 5-15cm / 15-30cm × 5 propsExpert
0–5 cm
pH H₂O
6,9
Org. C
35,0g/kg
Clay
26,8%
Sand
31,7%
Silt
41,5%
5–15 cm
pH H₂O
7,1
Org. C
20,1g/kg
Clay
28,3%
Sand
31,0%
Silt
40,7%
15–30 cm
pH H₂O
7,3
Org. C
12,4g/kg
Clay
30,0%
Sand
29,8%
Silt
40,2%
SoilGrids 250m (ISRIC, 2017) · GLiM v1.0 (Hartmann & Moosdorf 2012)
Land cover
Forest0.6%
Crops51.0%
Built-up0.0%
Bare soil3.2%
Other (grassland, water…)45.2%
Copernicus Global Land Cover 100m (Buchhorn et al. 2020)
Hydrology16 basins · 22 lakes · 7 rivers
Hydrology metrics for this exact territory
Stream length here
281,8km
Lake surface here
40,75km²
Basins crossed
16
Max stream order
4
Max drainage
17 600km²
Discharge in basins
12,4m³/s
Mean precip.
349mm/an
Mean T°
5,3°C
Moisture idx
-0,60
Max snow
22%
Mean runoff
50mm/an
Mean elev. (basins)
1 025m
Watersheds crossing here
- Basin #94140sub-area766 km²overlap710.43 km²15%
- Bassin de Milk Riversub-area529,9 km²overlap511.63 km²11%
- Basin #94350sub-area504,9 km²overlap505.44 km²11%
- Basin #97140sub-area546,3 km²overlap478.62 km²10%
- Bassin de Milk Riversub-area3 342,6 km²overlap457.63 km²10%
- Bassin de Milk Riversub-area437,7 km²overlap436.67 km²10%
- Basin #97000sub-area426,9 km²overlap389.50 km²8%
- Bassin de North Fork Milk Riversub-area1 190,7 km²overlap254.41 km²6%
- Bassin de Red Creeksub-area593,4 km²overlap181.88 km²4%
7 more basinssorted by overlap
- Bassin de Oldman Riversub-area1 073,5 km²overlap167.63 km²4%
- Basin #97550sub-area1 058,5 km²overlap118.67 km²3%
- Basin #90360sub-area874,1 km²overlap102.76 km²2%
- Bassin de Nine Mile Couleesub-area788,6 km²overlap99.19 km²2%
- Bassin de Milk Riversub-area1 268,3 km²overlap90.13 km²2%
- Bassin de Milk Riversub-area556,8 km²overlap84.30 km²2%
- Bassin de Oldman Riversub-area836,7 km²overlap0.21 km²0%
Lakes (22, top by area)
- Chin Lakesarea15,1 km²avg depth13.8 m
- Milk River Ridge Reservoirarea15 km²avg depth8.6 m
- Lake #01850area6,7 km²avg depth10.7 m
- Tyrrell Lakearea3,7 km²avg depth5.4 m
- Lake #01989area3,4 km²avg depth4.1 m
- Lake #01827area1,2 km²avg depth2.0 m
- Weston Lakearea1,1 km²avg depth4.0 m
- Lac 979501area0,9 km²avg depth2.8 m
- Lac 982098area0,8 km²avg depth3.3 m
13 more lakes
- Lac 975363area0,7 km²avg depth3.5 m
- Lac 975163area0,6 km²avg depth4.0 m
- Lac 975493area0,6 km²avg depth3.2 m
- Lac 973686area0,4 km²avg depth1.8 m
- Lac 978114area0,3 km²avg depth2.4 m
- Lac 978923area0,3 km²avg depth3.1 m
- Lac 983311area0,3 km²avg depth3.6 m
- Lac 979899area0,3 km²avg depth3.2 m
- Lac 979172area0,2 km²avg depth1.9 m
- Lac 978884area0,2 km²avg depth3.0 m
- Lac 980086area0,2 km²avg depth2.6 m
- Lac 980008area0,2 km²avg depth2.6 m
- Lac 979619area0,1 km²avg depth2.1 m
Rivers / streams (7, ord ≥ 4)
- Milk Riverord 6len here197.76 km16%total1240 km
- Nine Mile Couleeord 2len here25.70 km66%total39 km
- North Fork Milk Riverord 4len here20.03 km24%total83 km
- Macdonald Creekord 4len here14.36 km99%total14 km
- Deer Creekord 6len here13.47 km1%total1337 km
- Red Creekord 5len here8.52 km10%total85 km
- Pothole Creekord 4len here2.00 km8%total26 km
Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10
Human pressure
Pop. density
0hab/km²
Night light
0,0nW
Built-up
3,0%
Pesticides
20,8kg/km²
GHSL POP/Built 2020 · VIIRS lumière nocturne · PEST-CHEMGRIDS 2020 (Maggi et al.)
Protected areas2
IUCN IV · 1IUCN II · 1
Writing-on-Stone Provincial Park
IUCN IIProvincial Park · 1957
27 km²
WDPA (World Database on Protected Areas) — UNEP-WCMC & IUCN