Ontologia

Commune · DZA

Dirrah

Algeria

BSkArid, steppe, cold(58 %)

Species observed

16

Observations

24

Area

235,9km²

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 Dirrah : 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

16 distinct species · 24 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

24 obs · 3 cellules
Obs. / cellule
≥ 11
11–10
11–10
10–10
< 10

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

Climate

Mean T°

15,3°C

Annual rain

402mm

Warmest m°

33,8°C

Coldest m°

1,0°C

Elevation: 915 m on average (min 684 m, max 1 594 m)

Bioclimatic detailsExpert
Annual mean temp.
15,3°C
Annual rain
402mm
Warmest month
33,8°C
Coldest month
1,0°C
Mean alt.
915m
Min
684m
Max
1 594m
Std. dev.
164m
Köppen-Geiger (dominant)
BSkArid, steppe, cold(58 %)Arid

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

Soil & lithology

pH H₂O

7,3

Org. C

19,2g/kg

Clay

26,7%

Sand

38,8%

Silt

34,5%

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

Dominant lithology: ssGLiM

3 soil depths detailedExpert
0–5 cm
pH H₂O
7,1
Org. C
29,2g/kg
Clay
26,2%
Sand
38,9%
Silt
34,9%
5–15 cm
pH H₂O
7,3
Org. C
15,8g/kg
Clay
26,1%
Sand
39,1%
Silt
34,8%
15–30 cm
pH H₂O
7,3
Org. C
12,4g/kg
Clay
27,9%
Sand
38,4%
Silt
33,7%

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

Land cover

Forest2.2%
Crops32.6%
Built-up0.5%
Bare soil13.7%
Other (grassland, water…)51.1%

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

Hydrology4 basins · 0 lakes · 1 rivers

Hydrology metrics for this exact territory

Stream length here

14,8km

Basins crossed

4

Max stream order

2

Max drainage

5 807km²

Discharge in basins

2,2m³/s

Mean precip.

377mm/an

Mean T°

15,3°C

Moisture idx

-0,68

Max snow

1%

Mean runoff

91mm/an

Mean elev. (basins)

744m

Watersheds crossing here

Rivers / streams (1, ord ≥ 4)

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

Human pressure

Pop. density

0hab/km²

Night light

1,1nW

Built-up

48,3%

Pesticides

11,5kg/km²

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