Ontologia

Subdivision · FRA

Marmande-Est

France

CfaTemperate, no dry season, hot summer(74 %)

Species observed

2 124

Observations

40 571

Area

103,3km²

Ecological tissue

Sample of 38 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 Marmande-Est : 24 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 136 interactions GloBI sur 5 types (connectance 19.3%, filtre Serrano α=0.2). 14 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
38
Interactions affichées
136
Connectance
0.194
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

2 124 distinct species · 40 571 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

40 571 obs · 10 cellules
Obs. / cellule
≥ 11 626
11 626–11 625
5 412–11 625
4 002–5 411
< 4 002

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

Climate

Mean T°

13,6°C

Annual rain

796mm

Warmest m°

26,9°C

Coldest m°

2,5°C

Elevation: 55 m on average (min 20 m, max 109 m)

Bioclimatic detailsExpert
Annual mean temp.
13,6°C
Annual rain
796mm
Warmest month
26,9°C
Coldest month
2,5°C
Mean alt.
55m
Min
20m
Max
109m
Std. dev.
26m
Köppen-Geiger (dominant)
CfaTemperate, no dry season, hot summer(74 %)Temperate

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

Soil & lithology

pH H₂O

6,9

Org. C

28,3g/kg

Clay

25,9%

Sand

35,3%

Silt

38,8%

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
6,8
Org. C
51,4g/kg
Clay
25,1%
Sand
35,3%
Silt
39,6%
5–15 cm
pH H₂O
7,0
Org. C
17,5g/kg
Clay
25,2%
Sand
35,4%
Silt
39,5%
15–30 cm
pH H₂O
7,0
Org. C
15,9g/kg
Clay
27,3%
Sand
35,3%
Silt
37,3%

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

Land cover

Forest10.7%
Crops62.7%
Built-up1.3%
Bare soil1.6%
Other (grassland, water…)23.7%

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

Hydrology2 basins · 0 lakes · 4 rivers

Hydrology metrics for this exact territory

Stream length here

27,6km

Basins crossed

2

Max stream order

7

Max drainage

51 213km²

Discharge in basins

72,2m³/s

Mean precip.

827mm/an

Mean T°

12,5°C

Moisture idx

-0,17

Max snow

3%

Mean runoff

340mm/an

Mean elev. (basins)

82m

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

Human pressure

Pop. density

0hab/km²

Night light

0,5nW

Built-up

133,0%

Pesticides

44,9kg/km²

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

Protected areas2

IUCN Not Reported · 1IUCN IV · 1🌊 Marine · 1

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

Sub-administrations8

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.