Ontologia

Commune · GBR

Down

United Kingdom

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

Species observed

6 166

Observations

150 613

Area

784,5km²

Ecological tissue

Sample of 24 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 Down : 21 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 27 interactions GloBI sur 4 types (connectance 9.8%, filtre Serrano α=0.2). 3 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
24
Interactions affichées
27
Connectance
0.098
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

6 166 distinct species · 150 613 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

150 613 obs · 24 cellules
Obs. / cellule
≥ 30 810
14 396–30 809
6 181–14 395
5 061–6 180
< 5 061

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

Climate

Mean T°

9,7°C

Annual rain

1 100mm

Warmest m°

16,5°C

Coldest m°

3,4°C

Elevation: 92 m on average (min -17 m, max 610 m)

Bioclimatic detailsExpert
Annual mean temp.
9,7°C
Annual rain
1 100mm
Warmest month
16,5°C
Coldest month
3,4°C
Mean alt.
92m
Min
-17m
Max
610m
Std. dev.
96m
Köppen-Geiger (dominant)
CfbTemperate, no dry season, warm summer(100 %)Temperate

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

Soil & lithology

pH H₂O

5,6

Org. C

125,7g/kg

Clay

23,4%

Sand

43,1%

Silt

33,4%

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

Dominant lithology: paGLiMaggregated to Newry, Mourne and Down

3 soil depths detailedExpert
0–5 cm
pH H₂O
5,5
Org. C
170,7g/kg
Clay
23,4%
Sand
42,6%
Silt
33,9%
5–15 cm
pH H₂O
5,6
Org. C
109,9g/kg
Clay
24,1%
Sand
41,0%
Silt
34,9%
15–30 cm
pH H₂O
5,6
Org. C
96,6g/kg
Clay
22,8%
Sand
45,7%
Silt
31,5%

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

Land cover

Forest9.9%
Crops36.2%
Built-up0.7%
Bare soil0.5%
Other (grassland, water…)52.7%

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

Hydrology3 basins · 8 lakes · 17 rivers

Hydrology metrics for this exact territory

Stream length here

151,6km

Lake surface here

2,96km²

Basins crossed

3

Max stream order

3

Max drainage

2 373km²

Discharge in basins

5,4m³/s

Mean precip.

1 030mm/an

Mean T°

8,7°C

Moisture idx

0,42

Max snow

15%

Mean runoff

745mm/an

Mean elev. (basins)

93m

Watersheds crossing here

Lakes (8, top by area)

Rivers / streams (17, ord ≥ 4)

5 more river segments

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

Human pressure

Pop. density

1hab/km²

Night light

0,7nW

Built-up

65,7%

Pesticides

29,9kg/km²

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

Sub-administrations17