Ontologia

Commune · DZA

Maadid

Algeria

BSkArid, steppe, cold(73 %)

Species observed

112

Observations

153

Area

259,8km²

Ecological tissue

Sample of 40 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 Maadid : 32 espèces reliées par 65 interactions GloBI sur 5 types (connectance 8.3%, filtre Serrano α=0.2). 8 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
40
Interactions affichées
65
Connectance
0.083
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

112 distinct species · 153 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

153 obs · 7 cellules
Obs. / cellule
≥ 64
64–63
33–63
14–32
< 14

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

Climate

Mean T°

15,2°C

Annual rain

429mm

Warmest m°

33,3°C

Coldest m°

0,6°C

Elevation: 1 052 m on average (min 548 m, max 1 721 m)

Bioclimatic detailsExpert
Annual mean temp.
15,2°C
Annual rain
429mm
Warmest month
33,3°C
Coldest month
0,6°C
Mean alt.
1 052m
Min
548m
Max
1 721m
Std. dev.
349m
Köppen-Geiger (dominant)
BSkArid, steppe, cold(73 %)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

18,0g/kg

Clay

25,8%

Sand

41,5%

Silt

32,6%

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
25,0g/kg
Clay
24,7%
Sand
42,1%
Silt
33,3%
5–15 cm
pH H₂O
7,6
Org. C
14,4g/kg
Clay
26,0%
Sand
41,3%
Silt
32,7%
15–30 cm
pH H₂O
7,7
Org. C
14,5g/kg
Clay
26,9%
Sand
41,3%
Silt
31,8%

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

Land cover

Forest5.1%
Crops15.2%
Built-up0.4%
Bare soil20.3%
Other (grassland, water…)58.9%

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

Hydrology4 basins · 0 lakes · 8 rivers

Hydrology metrics for this exact territory

Stream length here

26,0km

Basins crossed

4

Max stream order

2

Max drainage

2 190km²

Discharge in basins

0,5m³/s

Mean precip.

272mm/an

Mean T°

15,4°C

Moisture idx

-0,78

Max snow

1%

Mean runoff

60mm/an

Mean elev. (basins)

674m

Watersheds crossing here

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

Human pressure

Pop. density

1hab/km²

Night light

1,5nW

Built-up

40,4%

Pesticides

3,5kg/km²

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