Ontologia

Commune · DZA

Had Sahary

Algeria

BSkArid, steppe, cold(100 %)

Species observed

19

Observations

24

Area

867,6km²

Partial data for this territory

Few observations recorded here. Real biodiversity is likely richer.

Ecological tissue

Sample of 2 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 Had Sahary : 2 espèces reliées par 1 interaction GloBI sur 1 type (connectance 100.0%, filtre Serrano α=0.2).

Espèces affichées
2
Interactions affichées
1
Connectance
1.000
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

19 distinct species · 24 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

24 obs · 12 cellules
Obs. / cellule
≥ 4
4–3
3–3
1–2
< 1

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

Climate

Mean T°

16,5°C

Annual rain

263mm

Warmest m°

35,9°C

Coldest m°

1,2°C

Elevation: 845 m on average (min 704 m, max 1 318 m)

Bioclimatic detailsExpert
Annual mean temp.
16,5°C
Annual rain
263mm
Warmest month
35,9°C
Coldest month
1,2°C
Mean alt.
845m
Min
704m
Max
1 318m
Std. dev.
106m
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

24,7%

Sand

41,2%

Silt

34,1%

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

Dominant lithology: ssGLiM

3 soil depths detailedExpert
0–5 cm
pH H₂O
7,7
Org. C
16,4g/kg
Clay
23,9%
Sand
41,3%
Silt
34,9%
5–15 cm
pH H₂O
7,8
Org. C
10,8g/kg
Clay
24,5%
Sand
41,6%
Silt
33,9%
15–30 cm
pH H₂O
7,9
Org. C
9,0g/kg
Clay
25,7%
Sand
40,8%
Silt
33,6%

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

Land cover

Forest3.2%
Crops29.0%
Built-up0.1%
Bare soil22.7%
Other (grassland, water…)44.9%

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

2 643km²

Discharge in basins

0,5m³/s

Mean precip.

297mm/an

Mean T°

14,3°C

Moisture idx

-0,75

Mean runoff

35mm/an

Mean elev. (basins)

826m

Watersheds crossing here

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

Human pressure

Pop. density

0hab/km²

Night light

0,4nW

Built-up

13,9%

Pesticides

0,0kg/km²

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

Protected areas2

IUCN Not Applicable · 1IUCN Not Reported · 1

Chott Zahrez Chergui

IUCN Not Reported

Wetland of International Importance (Ramsar Site) · 2003

510 km²

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