Sables de l'Herbasse et des Balmes de l'Isère
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive) · 2010
11 km²
Commune · FRA
Romans-sur-Isère
France
CfaTemperate, no dry season, hot summer(100 %)
Species observed
1 583
Observations
20 031
Area
33,5km²
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 Romans-sur-Isère : 36 espèces + 2 bulles famille, 91 interactions GloBI documentées sur 5 types (connectance 12.9%, filtre Serrano α=0.2). Les 2 bulles regroupent des espèces visuellement absorbées par famille (≥3 espèces visibles).
Espèces affichées
38
Interactions affichées
91
Connectance
0.129
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
1 583 distinct species · 20 031 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Climate
Mean T°
12,8°C
Annual rain
1 036mm
Warmest m°
27,1°C
Coldest m°
-0,3°C
Elevation: 179 m on average (min 151 m, max 247 m)
Bioclimatic details19 BIO + Köppen full + altitude statsExpert
Annual mean temp.
12,8°C
Annual rain
1 036mm
Warmest month
27,1°C
Coldest month
-0,3°C
Mean alt.
179m
Min
151m
Max
247m
Std. dev.
29m
Köppen-Geiger (dominant)
CfaTemperate, no dry season, hot summer(100 %)Temperate
CHELSA BIO 1-19 v2.1 · ETOPO DEM 60s · Köppen-Geiger 1991-2020 (Beck et al. 2018)
Soil & lithology
pH H₂O
6,8
Org. C
32,3g/kg
Clay
26,3%
Sand
37,6%
Silt
36,2%
Average over 0-30 cm. Per-depth details in expert panel.
Dominant lithology: smGLiMaggregated to Drôme
3 soil depths detailed0-5cm / 5-15cm / 15-30cm × 5 propsExpert
0–5 cm
pH H₂O
6,8
Org. C
59,6g/kg
Clay
24,3%
Sand
39,0%
Silt
36,8%
5–15 cm
pH H₂O
6,9
Org. C
20,5g/kg
Clay
24,5%
Sand
38,7%
Silt
36,8%
15–30 cm
pH H₂O
6,9
Org. C
16,8g/kg
Clay
30,1%
Sand
35,1%
Silt
34,9%
SoilGrids 250m (ISRIC, 2017) · GLiM v1.0 (Hartmann & Moosdorf 2012)
Land cover
Forest8.1%
Crops34.8%
Built-up7.6%
Bare soil1.0%
Other (grassland, water…)48.5%
Copernicus Global Land Cover 100m (Buchhorn et al. 2020)
Hydrology1 basins · 0 lakes · 7 rivers
Hydrology metrics for this exact territory
Stream length here
11,3km
Basins crossed
1
Max stream order
6
Max drainage
11 737km²
Discharge in basins
7,8m³/s
Mean precip.
886mm/an
Mean T°
11,2°C
Moisture idx
-0,06
Max snow
3%
Mean runoff
427mm/an
Mean elev. (basins)
317m
Watersheds crossing here
Rivers / streams (7, ord ≥ 4)
Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10
Human pressure
Pop. density
6hab/km²
Night light
6,1nW
Built-up
758,5%
Pesticides
46,4kg/km²
GHSL POP/Built 2020 · VIIRS lumière nocturne · PEST-CHEMGRIDS 2020 (Maggi et al.)
Protected areas1
IUCN Not Reported · 1
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.