Ontologia

County · USA

McDowell

United States

CfaTemperate, no dry season, hot summer(87 %)

Species observed

3 065

Observations

101 512

Area

1 149,4km²

Ecological tissue

Sample of 41 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 McDowell : 32 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 74 interactions GloBI sur 4 types (connectance 8.2%, filtre Serrano α=0.2). 11 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
43
Interactions affichées
74
Connectance
0.082
Patrimoniales
1
Plus dense que (national)0 %(top 100%)

Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).

Species present

3 065 distinct species · 101 512 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

101 512 obs · 35 cellules
Obs. / cellule
≥ 15 391
9 802–15 390
2 778–9 801
1 468–2 777
< 1 468

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

Climate

Mean T°

13,2°C

Annual rain

1 497mm

Warmest m°

28,3°C

Coldest m°

-1,7°C

Elevation: 566 m on average (min 337 m, max 1 511 m)

Bioclimatic detailsExpert
Annual mean temp.
13,2°C
Annual rain
1 497mm
Warmest month
28,3°C
Coldest month
-1,7°C
Mean alt.
566m
Min
337m
Max
1 511m
Std. dev.
198m
Köppen-Geiger (dominant)
CfaTemperate, no dry season, hot summer(87 %)Temperate

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

Soil & lithology

pH H₂O

5,1

Org. C

39,2g/kg

Clay

22,9%

Sand

48,8%

Silt

28,4%

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

Dominant lithology: mtGLiM

3 soil depths detailedExpert
0–5 cm
pH H₂O
5,1
Org. C
64,0g/kg
Clay
21,4%
Sand
49,8%
Silt
28,8%
5–15 cm
pH H₂O
5,1
Org. C
36,0g/kg
Clay
22,1%
Sand
49,3%
Silt
28,6%
15–30 cm
pH H₂O
5,1
Org. C
17,8g/kg
Clay
25,1%
Sand
47,1%
Silt
27,7%

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

Land cover

Forest81.1%
Crops1.1%
Built-up0.7%
Bare soil0.2%
Other (grassland, water…)17.0%

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

Hydrology6 basins · 3 lakes · 54 rivers

Hydrology metrics for this exact territory

Stream length here

332,0km

Lake surface here

10,86km²

Basins crossed

6

Max stream order

4

Max drainage

1 126km²

Discharge in basins

25,2m³/s

Mean precip.

1 345mm/an

Mean T°

12,8°C

Moisture idx

0,09

Max snow

4%

Mean runoff

666mm/an

Mean elev. (basins)

601m

Watersheds crossing here

Lakes (3, top by area)

Rivers / streams (54, ord ≥ 4)

42 more river segments

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

Human pressure

Pop. density

0hab/km²

Night light

0,9nW

Built-up

65,0%

Pesticides

3,9kg/km²

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

Protected areas8

IUCN Not Assigned · 7IUCN V · 1

Csx - Ovt

IUCN Not Assigned

Conservation Easement · 2009

6 km²

Armstrong

IUCN Not Assigned

Fish Hatchery

2 km²

Morgan Creek

IUCN Not Assigned

Conservation Easement · 2007

0 km²

Complete list

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