Ontologia

Province · dza

Ghardaïa

Algeria

BWhArid, desert, hot(100 %)

Species observed

505

Observations

2 209

Area

84 471,8km²

Ecological tissue

Sample of 24 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 Ghardaïa : 18 espèces reliées par 43 interactions GloBI sur 2 types (connectance 15.6%, filtre Serrano α=0.2). 6 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
24
Interactions affichées
43
Connectance
0.156
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

505 distinct species · 2 209 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

2 209 obs · 43 cellules
Obs. / cellule
≥ 816
111–815
26–110
8–25
< 8

Source : GBIF — observations agrégées par hexagones 0.2° × 0.2° (~22km), filtre précision coordonnée < 10 km. Fond carte : OpenFreeMap · © OpenStreetMap.

Climate

Mean T°

22,1°C

Annual rain

56mm

Warmest m°

40,0°C

Coldest m°

3,5°C

Elevation: 462 m on average (min 156 m, max 796 m)

Bioclimatic detailsExpert
Annual mean temp.
22,1°C
Annual rain
56mm
Warmest month
40,0°C
Coldest month
3,5°C
Mean alt.
462m
Min
156m
Max
796m
Std. dev.
110m
Köppen-Geiger (dominant)
BWhArid, desert, hot(100 %)Arid

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

Soil & lithology

pH H₂O

8,3

Org. C

4,9g/kg

Clay

26,0%

Sand

45,7%

Silt

28,3%

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

3 soil depths detailedExpert
0–5 cm
pH H₂O
8,3
Org. C
5,9g/kg
Clay
25,4%
Sand
46,2%
Silt
28,4%
5–15 cm
pH H₂O
8,4
Org. C
5,3g/kg
Clay
25,9%
Sand
46,1%
Silt
27,9%
15–30 cm
pH H₂O
8,4
Org. C
3,4g/kg
Clay
26,6%
Sand
44,9%
Silt
28,4%

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

Land cover

Forest0.1%
Crops0.2%
Built-up0.0%
Bare soil98.5%
Other (grassland, water…)1.2%

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

Hydrology144 basins · 1 lakes · 22 rivers

Hydrology metrics for this exact territory

Stream length here

2 015,6km

Lake surface here

0,14km²

Basins crossed

144

Max stream order

6

Max drainage

27 078km²

Discharge in basins

94,0m³/s

Mean precip.

48mm/an

Mean T°

21,7°C

Moisture idx

-0,97

Mean runoff

14mm/an

Mean elev. (basins)

465m

Watersheds crossing here

135 more basins

Lakes (1, top by area)

Rivers / streams (22, ord ≥ 4)

10 more river segments

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

Human pressure

Pop. density

0hab/km²

Night light

0,2nW

Built-up

2,6%

Pesticides

0,0kg/km²

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

Protected areas1

IUCN Not Reported · 1

Sebkhet El Melah

IUCN Not Reported

Wetland of International Importance (Ramsar Site) · 2004

192 km²

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

Sub-administrations12