Ontologia

Commune · DZA

Chehaima

Algeria

BSkArid, steppe, cold(100 %)

Species observed

40

Observations

147

Area

2 220,8km²

Ecological tissue

Sample of 5 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 Chehaima : 4 espèces reliées par 5 interactions GloBI sur 2 types (connectance 50.0%, filtre Serrano α=0.2). 1 bulle taxonomique (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
5
Interactions affichées
5
Connectance
0.500
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

40 distinct species · 147 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

147 obs · 24 cellules
Obs. / cellule
≥ 30
13–29
6–12
3–5
< 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

264mm

Warmest m°

35,1°C

Coldest m°

0,6°C

Elevation: 1 060 m on average (min 997 m, max 1 207 m)

Bioclimatic detailsExpert
Annual mean temp.
15,9°C
Annual rain
264mm
Warmest month
35,1°C
Coldest month
0,6°C
Mean alt.
1 060m
Min
997m
Max
1 207m
Std. dev.
42m
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

7,8

Org. C

12,1g/kg

Clay

26,7%

Sand

43,1%

Silt

30,2%

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

Dominant lithology: scGLiM

3 soil depths detailedExpert
0–5 cm
pH H₂O
7,7
Org. C
15,3g/kg
Clay
24,8%
Sand
44,0%
Silt
31,2%
5–15 cm
pH H₂O
7,8
Org. C
11,7g/kg
Clay
26,2%
Sand
43,5%
Silt
30,3%
15–30 cm
pH H₂O
7,9
Org. C
9,2g/kg
Clay
29,0%
Sand
41,8%
Silt
29,2%

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

Land cover

Forest1.4%
Crops17.1%
Built-up0.0%
Bare soil46.0%
Other (grassland, water…)35.5%

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

Hydrology6 basins · 0 lakes · 0 rivers

Hydrology metrics for this exact territory

Basins crossed

6

Max drainage

2 879km²

Discharge in basins

0,9m³/s

Mean precip.

307mm/an

Mean T°

14,3°C

Moisture idx

-0,74

Mean runoff

17mm/an

Mean elev. (basins)

1 113m

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

Human pressure

Pop. density

0hab/km²

Night light

0,0nW

Built-up

2,7%

Pesticides

0,3kg/km²

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

Protected areas2

IUCN Not Applicable · 1IUCN Not Reported · 1

Chott ech Chergui

IUCN Not Reported

Wetland of International Importance (Ramsar Site) · 2001

8 471 km²

WDPA (World Database on Protected Areas) — UNEP-WCMC & IUCN