Vallée de la Charente en amont d'Angoulême
IUCN Not ReportedSpecial Protection Area (Birds Directive) · 2019
40 km²
Commune · FRA
Marsac
France
CfbTemperate, no dry season, warm summer(100 %)
Species observed
1 116
Observations
12 747
Area
13,4km²
Ecological tissue
Sample of 33 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 Marsac : 22 espèces dont 2 patrimoniales (LR IUCN CR/EN/VU) reliées par 144 interactions GloBI sur 6 types (connectance 18.5%, filtre Serrano α=0.2). 18 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).
Espèces affichées
40
Interactions affichées
144
Connectance
0.185
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
1 116 distinct species · 12 747 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Climate
Mean T°
12,7°C
Annual rain
885mm
Warmest m°
25,5°C
Coldest m°
2,3°C
Elevation: 76 m on average (min 42 m, max 113 m)
Bioclimatic details19 BIO + Köppen full + altitude statsExpert
Annual mean temp.
12,7°C
Annual rain
885mm
Warmest month
25,5°C
Coldest month
2,3°C
Mean alt.
76m
Min
42m
Max
113m
Std. dev.
23m
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
7,5
Org. C
31,9g/kg
Clay
36,1%
Sand
20,4%
Silt
43,4%
Average over 0-30 cm. Per-depth details in expert panel.
Dominant lithology: scGLiMaggregated to Charente
3 soil depths detailed0-5cm / 5-15cm / 15-30cm × 5 propsExpert
0–5 cm
pH H₂O
7,2
Org. C
53,0g/kg
Clay
34,8%
Sand
21,3%
Silt
43,9%
5–15 cm
pH H₂O
7,6
Org. C
26,2g/kg
Clay
37,6%
Sand
19,0%
Silt
43,5%
15–30 cm
pH H₂O
7,6
Org. C
16,6g/kg
Clay
36,0%
Sand
21,0%
Silt
42,9%
SoilGrids 250m (ISRIC, 2017) · GLiM v1.0 (Hartmann & Moosdorf 2012)
Land cover
Forest13.5%
Crops51.6%
Built-up1.1%
Bare soil3.0%
Other (grassland, water…)30.9%
Copernicus Global Land Cover 100m (Buchhorn et al. 2020)
Hydrology1 basins · 0 lakes · 1 rivers
Hydrology metrics for this exact territory
Basins crossed
1
Max stream order
5
Max drainage
5 486km²
Discharge in basins
0,5m³/s
Mean precip.
859mm/an
Mean T°
12,1°C
Moisture idx
-0,07
Max snow
2%
Mean runoff
535mm/an
Mean elev. (basins)
82m
Watersheds crossing here
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
105,7%
Pesticides
41,9kg/km²
GHSL POP/Built 2020 · VIIRS lumière nocturne · PEST-CHEMGRIDS 2020 (Maggi et al.)
Protected areas6
IUCN IV · 4IUCN Not Reported · 2
Côteaux calcaires entre les Bouchauds et Marsac
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive) · 2006
2 km²
coteaux de marsac - mc
IUCN IVLand acquired by a regional conservatory of natural areas · 2018
0 km²
vallee de la charente - mc
IUCN IVLand acquired by a regional conservatory of natural areas · 2020
0 km²
vallee de la charente
IUCN IVLand acquired by a regional conservatory of natural areas · 2018
0 km²
coteaux de marsac
IUCN IVLand acquired by a regional conservatory of natural areas · 2017
0 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.