Ontologia

Commune · CAN

Douro-Dummer

Canada

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

Species observed

4 523

Observations

892 766

Area

467,2km²

Ecological tissue

Sample of 34 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 Douro-Dummer : 27 espèces + 7 bulles famille, 50 interactions GloBI documentées sur 3 types (connectance 8.9%, filtre Serrano α=0.2). Les 7 bulles regroupent des espèces visuellement absorbées par famille (≥3 espèces visibles).

Espèces affichées
34
Interactions affichées
50
Connectance
0.089
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

4 523 distinct species · 892 766 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

892 766 obs · 21 cellules
Obs. / cellule
≥ 438 326
37 854–438 325
17 417–37 853
11 226–17 416
< 11 226

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

Climate

Mean T°

6,8°C

Annual rain

897mm

Warmest m°

25,6°C

Coldest m°

-12,3°C

Elevation: 239 m on average (min 207 m, max 271 m)

Bioclimatic detailsExpert
Annual mean temp.
6,8°C
Annual rain
897mm
Warmest month
25,6°C
Coldest month
-12,3°C
Mean alt.
239m
Min
207m
Max
271m
Std. dev.
15m
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

6,0

Org. C

42,9g/kg

Clay

23,5%

Sand

41,5%

Silt

35,0%

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

Dominant lithology: paGLiMaggregated to Peterborough

3 soil depths detailedExpert
0–5 cm
pH H₂O
5,9
Org. C
68,4g/kg
Clay
23,6%
Sand
41,4%
Silt
35,0%
5–15 cm
pH H₂O
6,0
Org. C
37,3g/kg
Clay
23,4%
Sand
41,6%
Silt
35,1%
15–30 cm
pH H₂O
6,1
Org. C
23,1g/kg
Clay
23,6%
Sand
41,6%
Silt
34,8%

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

Land cover

Forest61.1%
Crops8.5%
Built-up0.3%
Bare soil1.0%
Other (grassland, water…)29.1%

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

Hydrology3 basins · 10 lakes · 4 rivers

Hydrology metrics for this exact territory

Stream length here

73,7km

Lake surface here

12,79km²

Basins crossed

3

Max stream order

5

Max drainage

9 600km²

Discharge in basins

24,4m³/s

Mean precip.

825mm/an

Mean T°

6,1°C

Moisture idx

-0,00

Max snow

32%

Mean runoff

374mm/an

Mean elev. (basins)

243m

Watersheds crossing here

Lakes (10, top by area)

1 more lakes

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

Human pressure

Pop. density

0hab/km²

Night light

0,2nW

Built-up

25,6%

Pesticides

20,7kg/km²

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

Protected areas4

IUCN IV · 1IUCN Not Applicable · 1IUCN III · 1IUCN Ia · 1

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