Ontologia

Commune · DZA

Ouled Madhi

Algeria

BWhArid, desert, hot(100 %)

Species observed

8

Observations

11

Area

351,8km²

Partial data for this territory

Few observations recorded here. Real biodiversity is likely richer.

Ecological tissue

Sample of 4 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 Ouled Madhi : 4 espèces reliées par 3 interactions GloBI sur 1 type (connectance 50.0%, filtre Serrano α=0.2).

Espèces affichées
4
Interactions affichées
3
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

8 distinct species · 11 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

11 obs · 6 cellules
Obs. / cellule
≥ 5
5–4
2–4
1–1
< 1

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

Climate

Mean T°

19,9°C

Annual rain

193mm

Warmest m°

38,0°C

Coldest m°

3,9°C

Elevation: 404 m on average (min 392 m, max 450 m)

Bioclimatic detailsExpert
Annual mean temp.
19,9°C
Annual rain
193mm
Warmest month
38,0°C
Coldest month
3,9°C
Mean alt.
404m
Min
392m
Max
450m
Std. dev.
14m
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

7,9

Org. C

10,3g/kg

Clay

25,9%

Sand

38,7%

Silt

35,4%

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

Dominant lithology: evGLiM

3 soil depths detailedExpert
0–5 cm
pH H₂O
7,8
Org. C
13,1g/kg
Clay
24,4%
Sand
39,8%
Silt
35,8%
5–15 cm
pH H₂O
7,9
Org. C
9,4g/kg
Clay
26,1%
Sand
38,4%
Silt
35,5%
15–30 cm
pH H₂O
7,9
Org. C
8,4g/kg
Clay
27,3%
Sand
37,9%
Silt
34,8%

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

Land cover

Forest0.5%
Crops12.2%
Built-up0.2%
Bare soil77.8%
Other (grassland, water…)9.4%

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

Hydrology4 basins · 0 lakes · 4 rivers

Hydrology metrics for this exact territory

Stream length here

25,3km

Basins crossed

4

Max stream order

4

Max drainage

11 638km²

Discharge in basins

3,9m³/s

Mean precip.

272mm/an

Mean T°

15,5°C

Moisture idx

-0,78

Max snow

1%

Mean runoff

61mm/an

Mean elev. (basins)

653m

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

Human pressure

Pop. density

0hab/km²

Night light

0,6nW

Built-up

17,1%

Pesticides

5,7kg/km²

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

Protected areas1

IUCN Not Reported · 1

Chott el Hodna

IUCN Not Reported

Wetland of International Importance (Ramsar Site) · 2001

3 599 km²

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