Ontologia

County · USA

Hanover

United States

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

Species observed

2 500

Observations

207 502

Area

1 230km²

Ecological tissue

Sample of 36 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 Hanover : 25 espèces reliées par 77 interactions GloBI sur 3 types (connectance 11.6%, filtre Serrano α=0.2). 12 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
37
Interactions affichées
77
Connectance
0.116
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

2 500 distinct species · 207 502 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

207 502 obs · 36 cellules
Obs. / cellule
≥ 55 294
12 836–55 293
4 928–12 835
2 597–4 927
< 2 597

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

Climate

Mean T°

14,7°C

Annual rain

1 141mm

Warmest m°

31,1°C

Coldest m°

-0,8°C

Elevation: 61 m on average (min 1 m, max 108 m)

Bioclimatic detailsExpert
Annual mean temp.
14,7°C
Annual rain
1 141mm
Warmest month
31,1°C
Coldest month
-0,8°C
Mean alt.
61m
Min
1m
Max
108m
Std. dev.
22m
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

5,1

Org. C

28,0g/kg

Clay

21,9%

Sand

42,3%

Silt

35,9%

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

Dominant lithology: suGLiM

3 soil depths detailedExpert
0–5 cm
pH H₂O
5,0
Org. C
58,3g/kg
Clay
19,8%
Sand
43,6%
Silt
36,6%
5–15 cm
pH H₂O
5,1
Org. C
17,6g/kg
Clay
19,9%
Sand
43,6%
Silt
36,4%
15–30 cm
pH H₂O
5,1
Org. C
8,0g/kg
Clay
25,9%
Sand
39,6%
Silt
34,5%

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

Land cover

Forest66.0%
Crops7.5%
Built-up1.4%
Bare soil0.2%
Other (grassland, water…)24.9%

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

Hydrology7 basins · 5 lakes · 17 rivers

Hydrology metrics for this exact territory

Stream length here

273,4km

Lake surface here

1,34km²

Basins crossed

7

Max stream order

4

Max drainage

18 244km²

Discharge in basins

42,6m³/s

Mean precip.

1 093mm/an

Mean T°

13,7°C

Moisture idx

-0,08

Max snow

3%

Mean runoff

420mm/an

Mean elev. (basins)

69m

Watersheds crossing here

Lakes (5, top by area)

Rivers / streams (17, ord ≥ 4)

5 more river segments

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

Human pressure

Pop. density

1hab/km²

Night light

2,4nW

Built-up

136,1%

Pesticides

19,2kg/km²

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

Protected areas3

IUCN Not Assigned · 2IUCN V · 1

Us-Va-31-1

IUCN Not Assigned

Conservation Easement · 1999

1 km²

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