Ontologia

County · USA

Rowan

United States

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

Species observed

2 038

Observations

38 157

Area

740,1km²

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 Rowan : 35 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 71 interactions GloBI sur 4 types (connectance 7.5%, filtre Serrano α=0.2). 9 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
44
Interactions affichées
71
Connectance
0.075
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

2 038 distinct species · 38 157 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

38 157 obs · 21 cellules
Obs. / cellule
≥ 14 976
3 571–14 975
1 658–3 570
406–1 657
< 406

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

Climate

Mean T°

13,0°C

Annual rain

1 265mm

Warmest m°

29,2°C

Coldest m°

-2,7°C

Elevation: 302 m on average (min 198 m, max 368 m)

Bioclimatic detailsExpert
Annual mean temp.
13,0°C
Annual rain
1 265mm
Warmest month
29,2°C
Coldest month
-2,7°C
Mean alt.
302m
Min
198m
Max
368m
Std. dev.
35m
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

5,2

Org. C

43,5g/kg

Clay

28,2%

Sand

18,3%

Silt

53,6%

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

Dominant lithology: scGLiM

3 soil depths detailedExpert
0–5 cm
pH H₂O
5,1
Org. C
91,2g/kg
Clay
25,7%
Sand
19,9%
Silt
54,4%
5–15 cm
pH H₂O
5,2
Org. C
27,5g/kg
Clay
26,8%
Sand
18,4%
Silt
54,7%
15–30 cm
pH H₂O
5,2
Org. C
11,8g/kg
Clay
31,9%
Sand
16,6%
Silt
51,5%

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

Land cover

Forest81.8%
Crops4.9%
Built-up0.5%
Bare soil0.1%
Other (grassland, water…)12.6%

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

Hydrology7 basins · 1 lakes · 16 rivers

Hydrology metrics for this exact territory

Stream length here

140,8km

Lake surface here

10,68km²

Basins crossed

7

Max stream order

4

Max drainage

160 621km²

Discharge in basins

15,8m³/s

Mean precip.

1 162mm/an

Mean T°

11,9°C

Moisture idx

-0,02

Max snow

2%

Mean runoff

384mm/an

Mean elev. (basins)

311m

Watersheds crossing here

Lakes (1, top by area)

Rivers / streams (16, ord ≥ 4)

4 more river segments

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

Human pressure

Pop. density

0hab/km²

Night light

1,2nW

Built-up

52,3%

Pesticides

6,2kg/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