Ontologia

Commune · CAN

Alnwick

Canada

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

Species observed

753

Observations

14 672

Area

731,3km²

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 Alnwick : 26 espèces dont 3 patrimoniales (LR IUCN CR/EN/VU) reliées par 68 interactions GloBI sur 3 types (connectance 12.1%, filtre Serrano α=0.2). 8 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
34
Interactions affichées
68
Connectance
0.121
Patrimoniales
3
Plus dense que (national)0 %(top 100%)

Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).

Species present

753 distinct species · 14 672 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

14 672 obs · 18 cellules
Obs. / cellule
≥ 3 820
2 621–3 819
661–2 620
410–660
< 410

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

Climate

Mean T°

5,0°C

Annual rain

1 098mm

Warmest m°

22,7°C

Coldest m°

-13,8°C

Elevation: 45 m on average (min -14 m, max 131 m)

Bioclimatic detailsExpert
Annual mean temp.
5,0°C
Annual rain
1 098mm
Warmest month
22,7°C
Coldest month
-13,8°C
Mean alt.
45m
Min
-14m
Max
131m
Std. dev.
29m
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

4,8

Org. C

39,7g/kg

Clay

20,5%

Sand

45,3%

Silt

34,3%

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

Dominant lithology: ssGLiMaggregated to Northumberland

3 soil depths detailedExpert
0–5 cm
pH H₂O
4,6
Org. C
57,7g/kg
Clay
19,4%
Sand
45,4%
Silt
35,2%
5–15 cm
pH H₂O
4,8
Org. C
37,9g/kg
Clay
19,8%
Sand
46,0%
Silt
34,2%
15–30 cm
pH H₂O
5,0
Org. C
23,6g/kg
Clay
22,3%
Sand
44,4%
Silt
33,4%

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

Land cover

Forest69.7%
Crops6.3%
Built-up0.1%
Bare soil1.0%
Other (grassland, water…)23.0%

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

Hydrology5 basins · 5 lakes · 27 rivers

Hydrology metrics for this exact territory

Stream length here

142,8km

Lake surface here

2,59km²

Basins crossed

5

Max stream order

3

Max drainage

775km²

Discharge in basins

10,0m³/s

Mean precip.

1 088mm/an

Mean T°

4,5°C

Moisture idx

0,32

Max snow

45%

Mean runoff

616mm/an

Mean elev. (basins)

59m

Watersheds crossing here

Lakes (5, top by area)

Rivers / streams (27, ord ≥ 4)

15 more river segments

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

Human pressure

Pop. density

0hab/km²

Night light

0,3nW

Built-up

5,2%

Pesticides

1,9kg/km²

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

Protected areas48

IUCN IV · 30IUCN II · 13IUCN Ib · 3IUCN Not Applicable · 1IUCN Ia · 1🌊 Marine · 15

Miramichi Bay Closure

IUCN Not Applicable

Other Effective Area-Based Conservation Measure · 2017

1 468 km²

4019700

IUCN II

Nature Legacy protected area · 2022

16 km²

4019800

IUCN II

Nature Legacy protected area · 2022

15 km²

Complete list

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