Rivière Elorn
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive) · 2007
24 km²
Commune · FRA
Landerneau
France
CfbTemperate, no dry season, warm summer(100 %)
Species observed
549
Observations
5 224
Area
14km²
Ecological tissue
Sample of 45 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 Landerneau : 36 espèces dont 2 patrimoniales (LR IUCN CR/EN/VU) reliées par 85 interactions GloBI sur 6 types (connectance 8.6%, filtre Serrano α=0.2). 9 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).
Espèces affichées
45
Interactions affichées
85
Connectance
0.086
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
549 distinct species · 5 224 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Climate
Mean T°
11,6°C
Annual rain
1 143mm
Warmest m°
20,0°C
Coldest m°
4,6°C
Elevation: 68 m on average (min 26 m, max 163 m)
Bioclimatic details19 BIO + Köppen full + altitude statsExpert
Annual mean temp.
11,6°C
Annual rain
1 143mm
Warmest month
20,0°C
Coldest month
4,6°C
Mean alt.
68m
Min
26m
Max
163m
Std. dev.
34m
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
5,8
Org. C
40,7g/kg
Clay
20,6%
Sand
23,3%
Silt
56,2%
Average over 0-30 cm. Per-depth details in expert panel.
Dominant lithology: paGLiMaggregated to Finistère
3 soil depths detailed0-5cm / 5-15cm / 15-30cm × 5 propsExpert
0–5 cm
pH H₂O
5,8
Org. C
57,5g/kg
Clay
19,7%
Sand
23,2%
Silt
57,2%
5–15 cm
pH H₂O
5,8
Org. C
35,7g/kg
Clay
20,3%
Sand
22,8%
Silt
56,9%
15–30 cm
pH H₂O
5,8
Org. C
29,0g/kg
Clay
21,8%
Sand
23,7%
Silt
54,6%
SoilGrids 250m (ISRIC, 2017) · GLiM v1.0 (Hartmann & Moosdorf 2012)
Land cover
Forest23.5%
Crops17.9%
Built-up7.2%
Bare soil0.4%
Other (grassland, water…)50.9%
Copernicus Global Land Cover 100m (Buchhorn et al. 2020)
Hydrology1 basins · 0 lakes · 2 rivers
Hydrology metrics for this exact territory
Stream length here
5,3km
Basins crossed
1
Max stream order
3
Max drainage
3 064km²
Discharge in basins
0,0m³/s
Mean precip.
1 057mm/an
Mean T°
10,9°C
Moisture idx
0,37
Max snow
8%
Mean runoff
872mm/an
Mean elev. (basins)
81m
Watersheds crossing here
Rivers / streams (2, ord ≥ 4)
Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10
Human pressure
Pop. density
6hab/km²
Night light
2,9nW
Built-up
719,4%
Pesticides
50,9kg/km²
GHSL POP/Built 2020 · VIIRS lumière nocturne · PEST-CHEMGRIDS 2020 (Maggi et al.)
Protected areas1
IUCN Not Reported · 1🌊 Marine · 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.