Ontologia

County · USA

Dorchester

United States

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

Species observed

3 924

Observations

916 985

Area

1 490,6km²

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 Dorchester : 27 espèces reliées par 81 interactions GloBI sur 3 types (connectance 13.6%, filtre Serrano α=0.2). 8 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
35
Interactions affichées
81
Connectance
0.136
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

3 924 distinct species · 916 985 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

916 985 obs · 41 cellules
Obs. / cellule
≥ 383 115
37 941–383 114
10 058–37 940
7 457–10 057
< 7 457

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

Climate

Mean T°

14,3°C

Annual rain

1 172mm

Warmest m°

28,4°C

Coldest m°

0,2°C

Elevation: 3 m on average (min -6 m, max 15 m)

Bioclimatic detailsExpert
Annual mean temp.
14,3°C
Annual rain
1 172mm
Warmest month
28,4°C
Coldest month
0,2°C
Mean alt.
3m
Min
-6m
Max
15m
Std. dev.
4m
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

53,9g/kg

Clay

18,0%

Sand

33,1%

Silt

48,9%

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

Dominant lithology: suGLiM

3 soil depths detailedExpert
0–5 cm
pH H₂O
4,9
Org. C
98,7g/kg
Clay
16,6%
Sand
33,8%
Silt
49,6%
5–15 cm
pH H₂O
5,1
Org. C
38,0g/kg
Clay
17,0%
Sand
33,6%
Silt
49,4%
15–30 cm
pH H₂O
5,1
Org. C
25,1g/kg
Clay
20,5%
Sand
31,8%
Silt
47,7%

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

Land cover

Forest40.2%
Crops16.7%
Built-up0.4%
Bare soil0.3%
Other (grassland, water…)42.3%

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

Hydrology7 basins · 38 lakes · 22 rivers

Hydrology metrics for this exact territory

Stream length here

219,8km

Lake surface here

35,80km²

Basins crossed

7

Max stream order

4

Max drainage

1 837km²

Discharge in basins

22,2m³/s

Mean precip.

1 093mm/an

Mean T°

13,5°C

Moisture idx

-0,02

Max snow

7%

Mean runoff

512mm/an

Mean elev. (basins)

5m

Watersheds crossing here

Lakes (38, top by area)

29 more lakes

Rivers / streams (22, ord ≥ 4)

10 more river segments

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

Human pressure

Pop. density

0hab/km²

Night light

0,7nW

Built-up

43,2%

Pesticides

32,5kg/km²

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

Protected areas29

IUCN V · 14IUCN Not Assigned · 12IUCN IV · 2IUCN Not Reported · 1🌊 Marine · 9

DNR

IUCN Not Assigned

Conservation Easement

146 km²

Complete list

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