Ontologia

County · USA

Blair

United States

DfaCold, no dry season, hot summer(57 %)

Species observed

3 468

Observations

297 756

Area

1 361,9km²

Ecological tissue

Sample of 34 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 Blair : 25 espèces reliées par 67 interactions GloBI sur 3 types (connectance 11.3%, filtre Serrano α=0.2). 10 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
35
Interactions affichées
67
Connectance
0.113
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

3 468 distinct species · 297 756 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

297 756 obs · 37 cellules
Obs. / cellule
≥ 67 764
22 240–67 763
5 715–22 239
3 089–5 714
< 3 089

Source : GBIF — observations agrégées par hexagones 0.027° × 0.027° (~22km), filtre précision coordonnée < 10 km. Fond carte : OpenFreeMap · © OpenStreetMap.

Climate

Mean T°

9,5°C

Annual rain

1 159mm

Warmest m°

26,2°C

Coldest m°

-7,2°C

Elevation: 460 m on average (min 280 m, max 845 m)

Bioclimatic detailsExpert
Annual mean temp.
9,5°C
Annual rain
1 159mm
Warmest month
26,2°C
Coldest month
-7,2°C
Mean alt.
460m
Min
280m
Max
845m
Std. dev.
126m
Köppen-Geiger (dominant)
DfaCold, no dry season, hot summer(57 %)Cold

CHELSA BIO 1-19 v2.1 · ETOPO DEM 60s · Köppen-Geiger 1991-2020 (Beck et al. 2018)

Soil & lithology

pH H₂O

4,9

Org. C

67,6g/kg

Clay

21,3%

Sand

36,6%

Silt

42,1%

Average over 0-30 cm. Per-depth details in expert panel.

Dominant lithology: ssGLiM

3 soil depths detailedExpert
0–5 cm
pH H₂O
4,8
Org. C
148,9g/kg
Clay
20,4%
Sand
37,3%
Silt
42,3%
5–15 cm
pH H₂O
4,9
Org. C
38,0g/kg
Clay
21,1%
Sand
36,6%
Silt
42,3%
15–30 cm
pH H₂O
5,0
Org. C
15,9g/kg
Clay
22,3%
Sand
36,1%
Silt
41,6%

SoilGrids 250m (ISRIC, 2017) · GLiM v1.0 (Hartmann & Moosdorf 2012)

Land cover

Forest68.5%
Crops12.3%
Built-up1.3%
Bare soil0.1%
Other (grassland, water…)17.7%

Copernicus Global Land Cover 100m (Buchhorn et al. 2020)

Hydrology5 basins · 5 lakes · 27 rivers

Hydrology metrics for this exact territory

Stream length here

322,4km

Lake surface here

1,39km²

Basins crossed

5

Max stream order

4

Max drainage

2 566km²

Discharge in basins

20,8m³/s

Mean precip.

1 006mm/an

Mean T°

9,1°C

Moisture idx

-0,00

Max snow

11%

Mean runoff

501mm/an

Mean elev. (basins)

423m

Watersheds crossing here

Lakes (5, top by area)

Rivers / streams (27, ord ≥ 4)

15 more river segments

Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10

Human pressure

Pop. density

1hab/km²

Night light

1,9nW

Built-up

129,1%

Pesticides

10,6kg/km²

GHSL POP/Built 2020 · VIIRS lumière nocturne · PEST-CHEMGRIDS 2020 (Maggi et al.)

Protected areas4

IUCN III · 2IUCN V · 2

WDPA (World Database on Protected Areas) — UNEP-WCMC & IUCN