Ontologia

County · USA

O'Brien

United States

DfaCold, no dry season, hot summer(100 %)

Species observed

691

Observations

10 449

Area

1 489,5km²

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 O'Brien : 24 espèces reliées par 94 interactions GloBI sur 4 types (connectance 14.1%, filtre Serrano α=0.2). 13 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
37
Interactions affichées
94
Connectance
0.141
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

691 distinct species · 10 449 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

10 449 obs · 44 cellules
Obs. / cellule
≥ 2 828
670–2 827
61–669
22–60
< 22

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

Climate

Mean T°

8,3°C

Annual rain

790mm

Warmest m°

28,1°C

Coldest m°

-11,8°C

Elevation: 441 m on average (min 380 m, max 478 m)

Bioclimatic detailsExpert
Annual mean temp.
8,3°C
Annual rain
790mm
Warmest month
28,1°C
Coldest month
-11,8°C
Mean alt.
441m
Min
380m
Max
478m
Std. dev.
17m
Köppen-Geiger (dominant)
DfaCold, no dry season, hot summer(100 %)Cold

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

Soil & lithology

pH H₂O

6,4

Org. C

28,0g/kg

Clay

38,1%

Sand

9,2%

Silt

52,8%

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

Dominant lithology: ssGLiM

3 soil depths detailedExpert
0–5 cm
pH H₂O
6,3
Org. C
38,8g/kg
Clay
37,5%
Sand
9,6%
Silt
52,9%
5–15 cm
pH H₂O
6,3
Org. C
27,4g/kg
Clay
38,5%
Sand
8,9%
Silt
52,6%
15–30 cm
pH H₂O
6,5
Org. C
17,9g/kg
Clay
38,2%
Sand
9,0%
Silt
52,8%

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

Land cover

Forest4.9%
Crops84.2%
Built-up0.4%
Bare soil0.2%
Other (grassland, water…)10.3%

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

Hydrology5 basins · 0 lakes · 9 rivers

Hydrology metrics for this exact territory

Stream length here

120,2km

Basins crossed

5

Max stream order

4

Max drainage

4 741km²

Discharge in basins

10,4m³/s

Mean precip.

718mm/an

Mean T°

7,8°C

Moisture idx

-0,28

Max snow

20%

Mean runoff

166mm/an

Mean elev. (basins)

426m

Watersheds crossing here

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

Human pressure

Pop. density

0hab/km²

Night light

0,6nW

Built-up

37,1%

Pesticides

7,1kg/km²

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

Protected areas12

IUCN V · 12
Complete list

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