Ontologia

Commune · FRA

Niort

France

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

Species observed

2 866

Observations

81 483

Area

69,2km²

Ecological tissue

Sample of 49 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 Niort : 39 espèces dont 2 patrimoniales (LR IUCN CR/EN/VU) reliées par 123 interactions GloBI sur 5 types (connectance 9.6%, filtre Serrano α=0.2). 12 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
51
Interactions affichées
123
Connectance
0.097
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

2 866 distinct species · 81 483 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

81 483 obs · 7 cellules
Obs. / cellule
≥ 20 549
20 549–20 548
14 469–20 548
11 330–14 468
< 11 330

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

Climate

Mean T°

12,5°C

Annual rain

896mm

Warmest m°

24,7°C

Coldest m°

2,7°C

Elevation: 33 m on average (min 7 m, max 72 m)

Bioclimatic detailsExpert
Annual mean temp.
12,5°C
Annual rain
896mm
Warmest month
24,7°C
Coldest month
2,7°C
Mean alt.
33m
Min
7m
Max
72m
Std. dev.
17m
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

7,3

Org. C

32,3g/kg

Clay

29,8%

Sand

17,9%

Silt

52,2%

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

Dominant lithology: scGLiMaggregated to Deux-Sèvres

3 soil depths detailedExpert
0–5 cm
pH H₂O
7,2
Org. C
49,9g/kg
Clay
28,7%
Sand
18,0%
Silt
53,3%
5–15 cm
pH H₂O
7,4
Org. C
27,8g/kg
Clay
30,4%
Sand
16,0%
Silt
53,5%
15–30 cm
pH H₂O
7,4
Org. C
19,1g/kg
Clay
30,4%
Sand
19,7%
Silt
49,8%

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

Land cover

Forest7.1%
Crops38.8%
Built-up7.1%
Bare soil0.6%
Other (grassland, water…)46.4%

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

Hydrology2 basins · 0 lakes · 4 rivers

Hydrology metrics for this exact territory

Stream length here

33,8km

Basins crossed

2

Max stream order

4

Max drainage

983km²

Discharge in basins

1,3m³/s

Mean precip.

807mm/an

Mean T°

11,7°C

Moisture idx

-0,07

Max snow

3%

Mean runoff

475mm/an

Mean elev. (basins)

107m

Watersheds crossing here

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

Human pressure

Pop. density

5hab/km²

Night light

3,2nW

Built-up

710,5%

Pesticides

41,9kg/km²

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

Protected areas8

IUCN Not Reported · 4IUCN IV · 2IUCN V · 1IUCN III · 1🌊 Marine · 4

Marais poitevin

IUCN III

Wetland of International Importance (Ramsar Site) · 2023

690 km²

Marais poitevin

IUCN Not Reported

Special Protection Area (Birds Directive) · 2019

682 km²

Marais Poitevin

IUCN Not Reported

Special Areas of Conservation (Habitats Directive) · 2007

203 km²

Complete list

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.