Ontologia

Commune · DZA

Nadorah

Algeria

BSkArid, steppe, cold(100 %)

Species observed

32

Observations

37

Area

651,9km²

Ecological tissue

Sample of 6 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 Nadorah : 4 espèces reliées par 4 interactions GloBI sur 1 type (connectance 26.7%, filtre Serrano α=0.2). 2 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
6
Interactions affichées
4
Connectance
0.267
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

32 distinct species · 37 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

37 obs · 6 cellules
Obs. / cellule
≥ 19
19–18
9–18
3–8
< 3

Source : GBIF — observations agrégées par hexagones 0.027° × 0.027° (~22km), filtre précision coordonnée < 10 km. Fond carte : OpenFreeMap · © OpenStreetMap.

Climate

Mean T°

15,9°C

Annual rain

306mm

Warmest m°

34,9°C

Coldest m°

2,0°C

Elevation: 975 m on average (min 844 m, max 1 325 m)

Bioclimatic detailsExpert
Annual mean temp.
15,9°C
Annual rain
306mm
Warmest month
34,9°C
Coldest month
2,0°C
Mean alt.
975m
Min
844m
Max
1 325m
Std. dev.
110m
Köppen-Geiger (dominant)
BSkArid, steppe, cold(100 %)Arid

CHELSA BIO 1-19 v2.1 · ETOPO DEM 60s · Köppen-Geiger 1991-2020 (Beck et al. 2018)

Soil & lithology

pH H₂O

7,6

Org. C

12,3g/kg

Clay

26,5%

Sand

38,4%

Silt

35,2%

Average over 0-30 cm. Per-depth details in expert panel.

Dominant lithology: scGLiM

3 soil depths detailedExpert
0–5 cm
pH H₂O
7,5
Org. C
16,3g/kg
Clay
25,5%
Sand
38,8%
Silt
35,6%
5–15 cm
pH H₂O
7,6
Org. C
11,4g/kg
Clay
25,6%
Sand
38,7%
Silt
35,6%
15–30 cm
pH H₂O
7,7
Org. C
9,3g/kg
Clay
28,2%
Sand
37,5%
Silt
34,3%

SoilGrids 250m (ISRIC, 2017) · GLiM v1.0 (Hartmann & Moosdorf 2012)

Land cover

Forest3.4%
Crops40.8%
Built-up0.1%
Bare soil14.3%
Other (grassland, water…)41.4%

Copernicus Global Land Cover 100m (Buchhorn et al. 2020)

Hydrology4 basins · 0 lakes · 0 rivers

Hydrology metrics for this exact territory

Basins crossed

4

Max drainage

1 303km²

Discharge in basins

0,5m³/s

Mean precip.

352mm/an

Mean T°

14,7°C

Moisture idx

-0,69

Mean runoff

28mm/an

Mean elev. (basins)

987m

Watersheds crossing here

Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10

Human pressure

Pop. density

0hab/km²

Night light

0,1nW

Built-up

6,5%

Pesticides

0,2kg/km²

GHSL POP/Built 2020 · VIIRS lumière nocturne · PEST-CHEMGRIDS 2020 (Maggi et al.)