Ontologia

Commune · FRA

Brévands

France

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

Species observed

2 158

Observations

38 850

Area

15,2km²

Ecological tissue

Sample of 32 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 Brévands : 25 espèces dont 2 patrimoniales (LR IUCN CR/EN/VU) reliées par 62 interactions GloBI sur 3 types (connectance 11.7%, filtre Serrano α=0.2). 8 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
33
Interactions affichées
62
Connectance
0.117
Patrimoniales
2
Plus dense que (national)0 %(top 100%)

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

Species present

2 158 distinct species · 38 850 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

38 850 obs · 4 cellules
Obs. / cellule
≥ 12 044
12 044–12 043
11 031–12 043
11 031–11 030
< 11 031

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

Climate

Mean T°

11,6°C

Annual rain

928mm

Warmest m°

20,7°C

Coldest m°

4,0°C

Elevation: 2 m on average (min -22 m, max 11 m)

Bioclimatic detailsExpert
Annual mean temp.
11,6°C
Annual rain
928mm
Warmest month
20,7°C
Coldest month
4,0°C
Mean alt.
2m
Min
-22m
Max
11m
Std. dev.
5m
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

6,3

Org. C

48,2g/kg

Clay

24,2%

Sand

27,3%

Silt

48,5%

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

Dominant lithology: ssGLiMaggregated to Manche

3 soil depths detailedExpert
0–5 cm
pH H₂O
6,2
Org. C
64,0g/kg
Clay
22,6%
Sand
28,6%
Silt
48,9%
5–15 cm
pH H₂O
6,3
Org. C
49,8g/kg
Clay
24,7%
Sand
26,4%
Silt
48,9%
15–30 cm
pH H₂O
6,3
Org. C
30,8g/kg
Clay
25,2%
Sand
27,0%
Silt
47,8%

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

Land cover

Forest7.1%
Crops46.4%
Built-up0.4%
Bare soil0.7%
Other (grassland, water…)45.4%

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

Hydrology3 basins · 1 lakes · 1 rivers

Hydrology metrics for this exact territory

Stream length here

0,6km

Lake surface here

0,11km²

Basins crossed

3

Max stream order

4

Max drainage

1 958km²

Discharge in basins

0,3m³/s

Mean precip.

816mm/an

Mean T°

11,4°C

Moisture idx

0,16

Max snow

9%

Mean runoff

708mm/an

Mean elev. (basins)

31m

Watersheds crossing here

Lakes (1, top by area)

Rivers / streams (1, ord ≥ 4)

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

Human pressure

Pop. density

0hab/km²

Built-up

42,8%

Pesticides

44,5kg/km²

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

Protected areas6

IUCN Not Reported · 4IUCN V · 1IUCN IV · 1🌊 Marine · 5

Les veys

IUCN IV

Land acquired by Conservatoire du Littoral (national seaside and lakeside conservancy) · 1991

2 km²

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

France-specific data (Phase 2)

ZNIEFF, Natura 2000, INPN protected spaces, BNV-D pesticides, Naïades water quality, SAFRAN fine climate, BRGM lithology — Layer FR to load in Phase 2.