Landes Du Plateau D\'Helfaut
IUCN IVBiotope Protection Order · 1995
4 km²
Commune · FRA
Roquetoire
France
CfbTemperate, no dry season, warm summer(100 %)
Species observed
1 776
Observations
26 367
Area
11,2km²
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 Roquetoire : 21 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 113 interactions GloBI sur 5 types (connectance 20.1%, filtre Serrano α=0.2). 13 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).
Espèces affichées
34
Interactions affichées
113
Connectance
0.201
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
1 776 distinct species · 26 367 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Climate
Mean T°
10,5°C
Annual rain
848mm
Warmest m°
21,5°C
Coldest m°
1,4°C
Elevation: 37 m on average (min 28 m, max 63 m)
Bioclimatic details19 BIO + Köppen full + altitude statsExpert
Annual mean temp.
10,5°C
Annual rain
848mm
Warmest month
21,5°C
Coldest month
1,4°C
Mean alt.
37m
Min
28m
Max
63m
Std. dev.
10m
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
7,1
Org. C
24,9g/kg
Clay
25,2%
Sand
14,5%
Silt
60,4%
Average over 0-30 cm. Per-depth details in expert panel.
Dominant lithology: smGLiMaggregated to Pas-de-Calais
3 soil depths detailed0-5cm / 5-15cm / 15-30cm × 5 propsExpert
0–5 cm
pH H₂O
6,9
Org. C
39,8g/kg
Clay
24,5%
Sand
14,1%
Silt
61,4%
5–15 cm
pH H₂O
7,2
Org. C
20,0g/kg
Clay
25,6%
Sand
13,7%
Silt
60,8%
15–30 cm
pH H₂O
7,2
Org. C
15,0g/kg
Clay
25,4%
Sand
15,7%
Silt
58,9%
SoilGrids 250m (ISRIC, 2017) · GLiM v1.0 (Hartmann & Moosdorf 2012)
Land cover
Forest5.6%
Crops60.6%
Built-up1.8%
Bare soil1.0%
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
Stream length here
1,2km
Basins crossed
1
Max stream order
2
Max drainage
862km²
Discharge in basins
0,2m³/s
Mean precip.
672mm/an
Mean T°
10,1°C
Moisture idx
-0,01
Max snow
8%
Mean runoff
531mm/an
Mean elev. (basins)
74m
Watersheds crossing here
Rivers / streams (1, ord ≥ 4)
Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10
Human pressure
Pop. density
1hab/km²
Night light
0,1nW
Built-up
183,0%
Pesticides
47,4kg/km²
GHSL POP/Built 2020 · VIIRS lumière nocturne · PEST-CHEMGRIDS 2020 (Maggi et al.)
Protected areas2
IUCN IV · 1IUCN Not Reported · 1
Pelouses, bois acides à neutrocalcicoles, landes nord-atlantiques du plateau d'Helfaut et système alluvial de la moyenne vallée de l'Aa
IUCN Not ReportedSpecial Areas of Conservation (Habitats Directive) · 2015
4 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.