Brenne
IUCN VRegional Nature Park · 1989
1 832 km²
Commune · FRA
Martizay
France
CfbTemperate, no dry season, warm summer(100 %)
Species observed
977
Observations
5 802
Area
40km²
Ecological tissue
Sample of 39 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 Martizay : 36 espèces + 3 bulles famille, 61 interactions GloBI documentées sur 2 types (connectance 8.2%, filtre Serrano α=0.2). Les 3 bulles regroupent des espèces visuellement absorbées par famille (≥3 espèces visibles).
Espèces affichées
39
Interactions affichées
61
Connectance
0.082
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
977 distinct species · 5 802 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Climate
Mean T°
12,1°C
Annual rain
755mm
Warmest m°
24,9°C
Coldest m°
1,9°C
Elevation: 96 m on average (min 81 m, max 128 m)
Bioclimatic details19 BIO + Köppen full + altitude statsExpert
Annual mean temp.
12,1°C
Annual rain
755mm
Warmest month
24,9°C
Coldest month
1,9°C
Mean alt.
96m
Min
81m
Max
128m
Std. dev.
11m
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
25,6g/kg
Clay
20,2%
Sand
37,8%
Silt
42,1%
Average over 0-30 cm. Per-depth details in expert panel.
Dominant lithology: scGLiMaggregated to Indre
3 soil depths detailed0-5cm / 5-15cm / 15-30cm × 5 propsExpert
0–5 cm
pH H₂O
6,2
Org. C
43,2g/kg
Clay
19,8%
Sand
38,7%
Silt
41,6%
5–15 cm
pH H₂O
6,4
Org. C
18,2g/kg
Clay
19,4%
Sand
37,7%
Silt
42,9%
15–30 cm
pH H₂O
6,4
Org. C
15,4g/kg
Clay
21,3%
Sand
36,9%
Silt
41,9%
SoilGrids 250m (ISRIC, 2017) · GLiM v1.0 (Hartmann & Moosdorf 2012)
Land cover
Forest15.1%
Crops59.5%
Built-up0.6%
Bare soil0.9%
Other (grassland, water…)23.9%
Copernicus Global Land Cover 100m (Buchhorn et al. 2020)
Hydrology2 basins · 2 lakes · 4 rivers
Hydrology metrics for this exact territory
Stream length here
13,4km
Lake surface here
0,12km²
Basins crossed
2
Max stream order
3
Max drainage
3 905km²
Discharge in basins
0,3m³/s
Mean precip.
734mm/an
Mean T°
11,3°C
Moisture idx
-0,17
Max snow
5%
Mean runoff
232mm/an
Mean elev. (basins)
117m
Watersheds crossing here
Lakes (2, top by area)
Rivers / streams (4, ord ≥ 4)
Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10
Human pressure
Pop. density
0hab/km²
Night light
0,1nW
Built-up
58,7%
Pesticides
45,6kg/km²
GHSL POP/Built 2020 · VIIRS lumière nocturne · PEST-CHEMGRIDS 2020 (Maggi et al.)
Protected areas4
IUCN Not Reported · 3IUCN V · 1
La Brenne
IUCN Not ReportedWetland of International Importance (Ramsar Site) · 1991
1 387 km²
Brenne
IUCN Not ReportedSpecial Protection Area (Birds Directive) · 2017
583 km²
Grande Brenne
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive) · 2010
581 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.