Ontologia

State · usa

Delaware

United States

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

Species observed

10 807

Observations

5 908 303

Area

5 296,2km²

Ecological tissue

Sample of 33 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 Delaware : 22 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 78 interactions GloBI sur 3 types (connectance 14.8%, filtre Serrano α=0.2). 11 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
33
Interactions affichées
78
Connectance
0.148
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

10 807 distinct species · 5 908 303 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

5 908 303 obs · 151 cellules
Obs. / cellule
≥ 360 436
83 394–360 435
19 996–83 393
6 149–19 995
< 6 149

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

Climate

Mean T°

13,7°C

Annual rain

1 172mm

Warmest m°

29,1°C

Coldest m°

-1,2°C

Elevation: 14 m on average (min -16 m, max 125 m)

Bioclimatic detailsExpert
Annual mean temp.
13,7°C
Annual rain
1 172mm
Warmest month
29,1°C
Coldest month
-1,2°C
Mean alt.
14m
Min
-16m
Max
125m
Std. dev.
17m
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

49,5g/kg

Clay

15,7%

Sand

48,0%

Silt

36,3%

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

3 soil depths detailedExpert
0–5 cm
pH H₂O
5,1
Org. C
108,4g/kg
Clay
14,8%
Sand
48,5%
Silt
36,6%
5–15 cm
pH H₂O
5,2
Org. C
25,1g/kg
Clay
15,3%
Sand
48,3%
Silt
36,4%
15–30 cm
pH H₂O
5,3
Org. C
14,9g/kg
Clay
17,0%
Sand
47,1%
Silt
35,9%

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

Land cover

Forest39.7%
Crops23.5%
Built-up2.3%
Bare soil0.6%
Other (grassland, water…)33.9%

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

Hydrology13 basins · 50 lakes · 96 rivers

Hydrology metrics for this exact territory

Stream length here

887,8km

Lake surface here

35,00km²

Basins crossed

13

Max stream order

6

Max drainage

28 584km²

Discharge in basins

148,1m³/s

Mean precip.

1 087mm/an

Mean T°

12,9°C

Moisture idx

0,00

Max snow

5%

Mean runoff

548mm/an

Mean elev. (basins)

19m

Watersheds crossing here

4 more basins

Lakes (50, top by area)

41 more lakes

Rivers / streams (96, ord ≥ 4)

84 more river segments

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

Human pressure

Pop. density

1hab/km²

Night light

4,9nW

Built-up

230,2%

Pesticides

32,7kg/km²

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

Protected areas100

IUCN V · 45IUCN Not Assigned · 20IUCN III · 17IUCN IV · 9IUCN VI · 6IUCN Not Reported · 2IUCN Ib · 1🌊 Marine · 30

Delaware Bay Estuary

IUCN Not Reported

Wetland of International Importance (Ramsar Site) · 1992

1 146 km²

DNR

IUCN Not Assigned

Conservation Easement

146 km²

Bombay Hook

IUCN IV

National Wildlife Refuge · 1937

62 km²

Complete list

+ 40 protected areas (top 60 shown)

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

Sub-administrations1