County · USA
Dallam
United States
Species observed
858
Observations
24 140
Area
3 901,3km²
Ecological tissue
Sample of 32 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).
Indicateurs du tissu écologique
Tissu écologique de Dallam : 22 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 121 interactions GloBI sur 4 types (connectance 22.9%, filtre Serrano α=0.2). 11 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).
Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).
Species present
858 distinct species · 24 140 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Climate
Mean T°
13,2°C
Annual rain
434mm
Warmest m°
31,9°C
Coldest m°
-2,7°C
Elevation: 1 265 m on average (min 1 118 m, max 1 454 m)
Bioclimatic details19 BIO + Köppen full + altitude statsExpert
CHELSA BIO 1-19 v2.1 · ETOPO DEM 60s · Köppen-Geiger 1991-2020 (Beck et al. 2018)
Soil & lithology
pH H₂O
7,5
Org. C
12,2g/kg
Clay
27,2%
Sand
39,9%
Silt
33,0%
Average over 0-30 cm. Per-depth details in expert panel.
Dominant lithology: suGLiM
3 soil depths detailed0-5cm / 5-15cm / 15-30cm × 5 propsExpert
SoilGrids 250m (ISRIC, 2017) · GLiM v1.0 (Hartmann & Moosdorf 2012)
Land cover
Copernicus Global Land Cover 100m (Buchhorn et al. 2020)
Hydrology15 basins · 3 lakes · 10 rivers
Hydrology metrics for this exact territory
Stream length here
430,7km
Lake surface here
0,92km²
Basins crossed
15
Max stream order
5
Max drainage
4 610km²
Discharge in basins
0,5m³/s
Mean precip.
415mm/an
Mean T°
12,5°C
Moisture idx
-0,69
Max snow
4%
Mean runoff
3mm/an
Mean elev. (basins)
1 308m
Watersheds crossing here
- Bassin de Rita Blanca Creeksub-area2 036,8 km²overlap789.19 km²20%
- Bassin de Coldwater Creeksub-area864,4 km²overlap598.33 km²15%
- Bassin de Coldwater Creeksub-area539,8 km²overlap519.74 km²13%
- Bassin de Coldwater Creeksub-area787,2 km²overlap382.82 km²10%
- Bassin de Carrizo Creeksub-area448,4 km²overlap363.19 km²9%
- Bassin de Coldwater Creeksub-area294,3 km²overlap294.41 km²8%
- Bassin de Coldwater Creeksub-area223,6 km²overlap198.59 km²5%
- Bassin de Beaver Riversub-area2 219,2 km²overlap171.72 km²4%
- Bassin de Carrizo Creeksub-area1 384,4 km²overlap132.59 km²3%
6 more basinssorted by overlap
- Bassin de Rita Blanca Creeksub-area356,6 km²overlap132.54 km²3%
- Bassin de Frisco Creeksub-area1 019,1 km²overlap111.05 km²3%
- Basin #33670sub-area384,3 km²overlap106.40 km²3%
- Bassin de North Palo Duro Creeksub-area1 106 km²overlap87.78 km²2%
- Bassin de Rita Blanca Creeksub-area347,3 km²overlap5.49 km²0%
- Bassin de Coldwater Creeksub-area1 031,6 km²overlap4.16 km²0%
Lakes (3, top by area)
Rivers / streams (10, ord ≥ 4)
- Coldwater Creekord 8len here179.21 km36%total493 km
- Rita Blanca Creekord 5len here89.37 km53%total168 km
- Carrizo Creekord 4len here85.20 km44%total194 km
- East Rita Blanca Creekord 3len here40.59 km88%total46 km
- Junkyard Creekord 3len here13.07 km53%total25 km
- West Rita Blanca Creekord 3len here8.65 km100%total9 km
- Beaver Riverord 6len here8.54 km1%total812 km
- Agua Fria Creekord 2len here4.71 km13%total37 km
- Perico Creekord 3len here1.22 km6%total20 km
- North Palo Duro Creekord 3len here0.16 km0%total178 km
Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10
Human pressure
Pop. density
0hab/km²
Night light
0,1nW
Built-up
6,1%
Pesticides
15,3kg/km²
GHSL POP/Built 2020 · VIIRS lumière nocturne · PEST-CHEMGRIDS 2020 (Maggi et al.)