Ontologia

Commune · DZA

El Guerrarra

Algeria

BWhArid, desert, hot(100 %)

Species observed

24

Observations

27

Area

3 360,1km²

Ecological tissue

Sample of 13 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 El Guerrarra : 11 espèces reliées par 12 interactions GloBI sur 2 types (connectance 15.4%, filtre Serrano α=0.2). 2 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
13
Interactions affichées
12
Connectance
0.154
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

24 distinct species · 27 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

27 obs · 6 cellules
Obs. / cellule
≥ 14
14–13
8–13
2–7
< 2

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

Climate

Mean T°

22,0°C

Annual rain

76mm

Warmest m°

39,1°C

Coldest m°

4,9°C

Elevation: 349 m on average (min 156 m, max 514 m)

Bioclimatic detailsExpert
Annual mean temp.
22,0°C
Annual rain
76mm
Warmest month
39,1°C
Coldest month
4,9°C
Mean alt.
349m
Min
156m
Max
514m
Std. dev.
56m
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

8,4

Org. C

5,3g/kg

Clay

23,9%

Sand

43,5%

Silt

32,6%

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

Dominant lithology: smGLiM

3 soil depths detailedExpert
0–5 cm
pH H₂O
8,3
Org. C
6,6g/kg
Clay
23,2%
Sand
44,1%
Silt
32,7%
5–15 cm
pH H₂O
8,4
Org. C
5,5g/kg
Clay
24,1%
Sand
43,8%
Silt
32,1%
15–30 cm
pH H₂O
8,3
Org. C
3,8g/kg
Clay
24,4%
Sand
42,6%
Silt
33,0%

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

Land cover

Forest0.2%
Crops0.3%
Built-up0.1%
Bare soil98.5%
Other (grassland, water…)1.0%

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

Hydrology13 basins · 0 lakes · 1 rivers

Hydrology metrics for this exact territory

Stream length here

101,1km

Basins crossed

13

Max stream order

5

Max drainage

7 047km²

Discharge in basins

9,9m³/s

Mean precip.

71mm/an

Mean T°

20,9°C

Moisture idx

-0,96

Mean runoff

22mm/an

Mean elev. (basins)

353m

Watersheds crossing here

4 more basins

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

0,4nW

Built-up

6,0%

Pesticides

0,0kg/km²

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