Rivanna Watershed
IUCN VWatershed · 2004
3 km²
Independent City · USA
Charlottesville
United States
CfaTemperate, no dry season, hot summer(100 %)
Species observed
1 654
Observations
178 166
Area
30,5km²
Ecological tissue
Sample of 43 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 Charlottesville : 33 espèces reliées par 78 interactions GloBI sur 5 types (connectance 8.2%, filtre Serrano α=0.2). 11 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).
Espèces affichées
44
Interactions affichées
78
Connectance
0.083
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
1 654 distinct species · 178 166 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Climate
Mean T°
14,0°C
Annual rain
1 101mm
Warmest m°
31,0°C
Coldest m°
-2,2°C
Elevation: 141 m on average (min 109 m, max 203 m)
Bioclimatic details19 BIO + Köppen full + altitude statsExpert
Annual mean temp.
14,0°C
Annual rain
1 101mm
Warmest month
31,0°C
Coldest month
-2,2°C
Mean alt.
141m
Min
109m
Max
203m
Std. dev.
15m
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
5,4
Org. C
29,0g/kg
Clay
38,9%
Sand
22,7%
Silt
38,3%
Average over 0-30 cm. Per-depth details in expert panel.
Dominant lithology: ssGLiM
3 soil depths detailed0-5cm / 5-15cm / 15-30cm × 5 propsExpert
0–5 cm
pH H₂O
5,2
Org. C
59,4g/kg
Clay
37,8%
Sand
23,3%
Silt
39,0%
5–15 cm
pH H₂O
5,4
Org. C
19,0g/kg
Clay
38,8%
Sand
23,1%
Silt
38,1%
15–30 cm
pH H₂O
5,4
Org. C
8,7g/kg
Clay
40,3%
Sand
21,6%
Silt
37,9%
SoilGrids 250m (ISRIC, 2017) · GLiM v1.0 (Hartmann & Moosdorf 2012)
Land cover
Forest27.9%
Crops0.4%
Built-up11.8%
Bare soil0.2%
Other (grassland, water…)59.7%
Copernicus Global Land Cover 100m (Buchhorn et al. 2020)
Hydrology1 basins · 0 lakes · 5 rivers
Hydrology metrics for this exact territory
Stream length here
12,3km
Basins crossed
1
Max stream order
4
Max drainage
1 996km²
Discharge in basins
0,5m³/s
Mean precip.
1 105mm/an
Mean T°
12,9°C
Moisture idx
-0,06
Max snow
3%
Mean runoff
431mm/an
Mean elev. (basins)
227m
Watersheds crossing here
Rivers / streams (5, ord ≥ 4)
Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10
Human pressure
Pop. density
12hab/km²
Night light
20,8nW
Built-up
1 183,4%
Pesticides
7,2kg/km²
GHSL POP/Built 2020 · VIIRS lumière nocturne · PEST-CHEMGRIDS 2020 (Maggi et al.)
Protected areas1
IUCN V · 1
WDPA (World Database on Protected Areas) — UNEP-WCMC & IUCN