Ontologia

County · USA

Hartford

United States

DfaCold, no dry season, hot summer(97 %)

Species observed

7 298

Observations

1 987 173

Area

1 944km²

Ecological tissue

Sample of 35 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 Hartford : 24 espèces reliées par 75 interactions GloBI sur 4 types (connectance 11.9%, filtre Serrano α=0.2). 12 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
36
Interactions affichées
75
Connectance
0.119
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

7 298 distinct species · 1 987 173 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

1 987 173 obs · 53 cellules
Obs. / cellule
≥ 264 060
78 485–264 059
38 947–78 484
23 851–38 946
< 23 851

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

Climate

Mean T°

10,5°C

Annual rain

1 382mm

Warmest m°

28,2°C

Coldest m°

-7,1°C

Elevation: 97 m on average (min 3 m, max 393 m)

Bioclimatic detailsExpert
Annual mean temp.
10,5°C
Annual rain
1 382mm
Warmest month
28,2°C
Coldest month
-7,1°C
Mean alt.
97m
Min
3m
Max
393m
Std. dev.
80m
Köppen-Geiger (dominant)
DfaCold, no dry season, hot summer(97 %)Cold

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

Soil & lithology

pH H₂O

5,0

Org. C

84,5g/kg

Clay

12,6%

Sand

50,5%

Silt

37,0%

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

Dominant lithology: ssGLiM

3 soil depths detailedExpert
0–5 cm
pH H₂O
4,9
Org. C
190,2g/kg
Clay
12,5%
Sand
50,5%
Silt
37,0%
5–15 cm
pH H₂O
5,1
Org. C
47,0g/kg
Clay
12,7%
Sand
50,3%
Silt
37,0%
15–30 cm
pH H₂O
5,2
Org. C
16,4g/kg
Clay
12,6%
Sand
50,6%
Silt
36,9%

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

Land cover

Forest62.7%
Crops4.0%
Built-up4.2%
Bare soil0.4%
Other (grassland, water…)28.8%

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

Hydrology5 basins · 40 lakes · 97 rivers

Hydrology metrics for this exact territory

Stream length here

663,5km

Lake surface here

15,01km²

Basins crossed

5

Max stream order

6

Max drainage

28 999km²

Discharge in basins

332,5m³/s

Mean precip.

1 211mm/an

Mean T°

8,8°C

Moisture idx

0,20

Max snow

19%

Mean runoff

846mm/an

Mean elev. (basins)

187m

Watersheds crossing here

Lakes (40, top by area)

31 more lakes

Rivers / streams (97, ord ≥ 4)

85 more river segments

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

Human pressure

Pop. density

3hab/km²

Night light

6,9nW

Built-up

416,0%

Pesticides

20,4kg/km²

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

Protected areas100

IUCN V · 72IUCN Not Assigned · 17IUCN III · 9IUCN VI · 2

Mclean

IUCN V

Game Refuge

17 km²

Mt. Riga

IUCN V

Private Conservation Land · 1960

5 km²

Penwood

IUCN III

State Park · 1944

3 km²

Complete list

+ 40 protected areas (top 60 shown)

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