Ontologia

Subdivision · FRA

Agen-Nord-Est

France

CfaTemperate, no dry season, hot summer(67 %)

Species observed

1 672

Observations

14 197

Area

31,2km²

Ecological tissue

Sample of 41 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 Agen-Nord-Est : 31 espèces reliées par 138 interactions GloBI sur 6 types (connectance 14.6%, filtre Serrano α=0.2). 13 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
44
Interactions affichées
138
Connectance
0.146
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

1 672 distinct species · 14 197 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

14 197 obs · 3 cellules
Obs. / cellule
≥ 6 211
6 211–6 210
6 211–6 210
4 574–6 210
< 4 574

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

Climate

Mean T°

13,4°C

Annual rain

850mm

Warmest m°

26,6°C

Coldest m°

2,2°C

Elevation: 128 m on average (min 69 m, max 181 m)

Bioclimatic detailsExpert
Annual mean temp.
13,4°C
Annual rain
850mm
Warmest month
26,6°C
Coldest month
2,2°C
Mean alt.
128m
Min
69m
Max
181m
Std. dev.
23m
Köppen-Geiger (dominant)
CfaTemperate, no dry season, hot summer(67 %)Temperate

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

Soil & lithology

pH H₂O

7,2

Org. C

34,3g/kg

Clay

33,1%

Sand

22,2%

Silt

44,6%

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

Dominant lithology: suGLiMaggregated to Lot-et-Garonne

3 soil depths detailedExpert
0–5 cm
pH H₂O
7,1
Org. C
66,3g/kg
Clay
31,7%
Sand
22,1%
Silt
46,2%
5–15 cm
pH H₂O
7,2
Org. C
19,4g/kg
Clay
33,6%
Sand
21,1%
Silt
45,3%
15–30 cm
pH H₂O
7,2
Org. C
17,2g/kg
Clay
34,1%
Sand
23,5%
Silt
42,3%

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

Land cover

Forest22.0%
Crops38.9%
Built-up2.4%
Bare soil1.4%
Other (grassland, water…)35.4%

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

Hydrology2 basins · 1 lakes · 2 rivers

Hydrology metrics for this exact territory

Stream length here

12,4km

Lake surface here

0,22km²

Basins crossed

2

Max stream order

2

Max drainage

34 970km²

Discharge in basins

15,6m³/s

Mean precip.

783mm/an

Mean T°

12,3°C

Moisture idx

-0,21

Max snow

2%

Mean runoff

261mm/an

Mean elev. (basins)

123m

Watersheds crossing here

Lakes (1, top by area)

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

Human pressure

Pop. density

1hab/km²

Night light

2,8nW

Built-up

235,9%

Pesticides

44,2kg/km²

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

Sub-administrations2

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.