Ontologia

Regional Municipality · CAN

Durham

Canada

DfbCold, no dry season, warm summer(100 %)

Species observed

6 012

Observations

1 912 727

Area

2 632,4km²

Ecological tissue

Sample of 28 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 Durham : 22 espèces + 7 bulles famille, 50 interactions GloBI documentées sur 3 types (connectance 12.3%, filtre Serrano α=0.2). Les 7 bulles regroupent des espèces visuellement absorbées par famille (≥3 espèces visibles).

Espèces affichées
29
Interactions affichées
50
Connectance
0.123
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

6 012 distinct species · 1 912 727 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

1 912 727 obs · 70 cellules
Obs. / cellule
≥ 283 451
90 282–283 450
13 573–90 281
6 039–13 572
< 6 039

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

Climate

Mean T°

7,4°C

Annual rain

955mm

Warmest m°

25,4°C

Coldest m°

-10,7°C

Elevation: 232 m on average (min 59 m, max 369 m)

Bioclimatic detailsExpert
Annual mean temp.
7,4°C
Annual rain
955mm
Warmest month
25,4°C
Coldest month
-10,7°C
Mean alt.
232m
Min
59m
Max
369m
Std. dev.
71m
Köppen-Geiger (dominant)
DfbCold, no dry season, warm summer(100 %)Cold

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

Soil & lithology

pH H₂O

6,3

Org. C

32,5g/kg

Clay

17,9%

Sand

46,7%

Silt

35,4%

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

Dominant lithology: scGLiM

3 soil depths detailedExpert
0–5 cm
pH H₂O
6,3
Org. C
52,1g/kg
Clay
17,5%
Sand
46,9%
Silt
35,6%
5–15 cm
pH H₂O
6,4
Org. C
30,1g/kg
Clay
17,8%
Sand
46,7%
Silt
35,6%
15–30 cm
pH H₂O
6,4
Org. C
15,1g/kg
Clay
18,5%
Sand
46,5%
Silt
34,9%

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

Land cover

Forest38.0%
Crops21.4%
Built-up1.9%
Bare soil1.1%
Other (grassland, water…)37.6%

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

Hydrology12 basins · 16 lakes · 43 rivers

Hydrology metrics for this exact territory

Stream length here

493,2km

Lake surface here

100,00km²

Basins crossed

12

Max stream order

3

Max drainage

696 951km²

Discharge in basins

1 946,6m³/s

Mean precip.

816mm/an

Mean T°

7,0°C

Moisture idx

-0,03

Max snow

27%

Mean runoff

325mm/an

Mean elev. (basins)

193m

Watersheds crossing here

3 more basins

Lakes (16, top by area)

7 more lakes

Rivers / streams (43, ord ≥ 4)

31 more river segments

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

Human pressure

Pop. density

2hab/km²

Night light

4,4nW

Built-up

188,9%

Pesticides

39,7kg/km²

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

Protected areas55

IUCN IV · 34IUCN V · 17IUCN II · 2IUCN Ia · 2
Complete list

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

Sub-administrations8