Harold Alexander/spring River
IUCN VWildlife Management Area
53 km²
County · USA
Sharp
United States
CfaTemperate, no dry season, hot summer(100 %)
Species observed
1 566
Observations
31 051
Area
1 540,6km²
Ecological tissue
Sample of 37 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 Sharp : 26 espèces reliées par 68 interactions GloBI sur 4 types (connectance 9.7%, filtre Serrano α=0.2). 12 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).
Espèces affichées
38
Interactions affichées
68
Connectance
0.097
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
1 566 distinct species · 31 051 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Climate
Mean T°
15,2°C
Annual rain
1 311mm
Warmest m°
32,5°C
Coldest m°
-1,0°C
Elevation: 168 m on average (min 91 m, max 273 m)
Bioclimatic details19 BIO + Köppen full + altitude statsExpert
Annual mean temp.
15,2°C
Annual rain
1 311mm
Warmest month
32,5°C
Coldest month
-1,0°C
Mean alt.
168m
Min
91m
Max
273m
Std. dev.
36m
Köppen-Geiger (dominant)
CfaTemperate, no dry season, hot summer(100 %)Temperate
CHELSA BIO 1-19 v2.1 · ETOPO DEM 60s · Köppen-Geiger 1991-2020 (Beck et al. 2018)
Soil & lithology
pH H₂O
5,7
Org. C
20,0g/kg
Clay
23,6%
Sand
27,3%
Silt
49,1%
Average over 0-30 cm. Per-depth details in expert panel.
Dominant lithology: scGLiM
3 soil depths detailed0-5cm / 5-15cm / 15-30cm × 5 propsExpert
0–5 cm
pH H₂O
5,7
Org. C
36,4g/kg
Clay
20,3%
Sand
29,0%
Silt
50,7%
5–15 cm
pH H₂O
5,7
Org. C
16,1g/kg
Clay
20,9%
Sand
28,5%
Silt
50,6%
15–30 cm
pH H₂O
5,6
Org. C
7,7g/kg
Clay
29,7%
Sand
24,3%
Silt
46,0%
SoilGrids 250m (ISRIC, 2017) · GLiM v1.0 (Hartmann & Moosdorf 2012)
Land cover
Forest72.2%
Crops7.1%
Built-up0.3%
Bare soil0.1%
Other (grassland, water…)20.3%
Copernicus Global Land Cover 100m (Buchhorn et al. 2020)
Hydrology3 basins · 8 lakes · 9 rivers
Hydrology metrics for this exact territory
Stream length here
247,7km
Lake surface here
2,06km²
Basins crossed
3
Max stream order
4
Max drainage
3 147km²
Discharge in basins
20,5m³/s
Mean precip.
1 178mm/an
Mean T°
14,2°C
Moisture idx
-0,10
Max snow
1%
Mean runoff
423mm/an
Mean elev. (basins)
192m
Watersheds crossing here
Lakes (8, top by area)
Rivers / streams (9, ord ≥ 4)
- Strawberry Riverord 4len here89.65 km42%total215 km
- South Big Creekord 3len here43.51 km82%total53 km
- Spring Riverord 5len here39.92 km12%total327 km
- Martin Creekord 3len here31.51 km30%total106 km
- Piney Forkord 3len here24.46 km34%total72 km
- South Spring Riverord 3len here9.28 km9%total100 km
- Forty Island Creekord 1len here5.23 km65%total8 km
- Humphrey Creekord 2len here3.29 km9%total37 km
- Curia Creekord 2len here0.84 km2%total38 km
Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10
Human pressure
Pop. density
0hab/km²
Night light
0,4nW
Built-up
28,7%
Pesticides
5,1kg/km²
GHSL POP/Built 2020 · VIIRS lumière nocturne · PEST-CHEMGRIDS 2020 (Maggi et al.)
Protected areas3
IUCN V · 3
Strawberry River Site Fee
IUCN VPrivate Conservation Land · 2001
4 km²
Rock Creek
IUCN VNatural Area · 1991
2 km²
WDPA (World Database on Protected Areas) — UNEP-WCMC & IUCN