Ontologia

Commune · DZA

Rechaiga

Algeria

BSkArid, steppe, cold(100 %)

Species observed

33

Observations

45

Area

877,1km²

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 Rechaiga : 4 espèces reliées par 2 interactions GloBI sur 2 types (connectance 33.3%, filtre Serrano α=0.2).

Espèces affichées
4
Interactions affichées
2
Connectance
0.333
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

33 distinct species · 45 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

45 obs · 5 cellules
Obs. / cellule
≥ 30
30–29
8–29
3–7
< 3

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

Climate

Mean T°

16,7°C

Annual rain

288mm

Warmest m°

35,9°C

Coldest m°

2,2°C

Elevation: 843 m on average (min 745 m, max 1 182 m)

Bioclimatic detailsExpert
Annual mean temp.
16,7°C
Annual rain
288mm
Warmest month
35,9°C
Coldest month
2,2°C
Mean alt.
843m
Min
745m
Max
1 182m
Std. dev.
58m
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

7,7

Org. C

10,6g/kg

Clay

26,9%

Sand

38,4%

Silt

34,8%

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

Dominant lithology: scGLiM

3 soil depths detailedExpert
0–5 cm
pH H₂O
7,6
Org. C
14,6g/kg
Clay
25,8%
Sand
39,0%
Silt
35,3%
5–15 cm
pH H₂O
7,7
Org. C
8,9g/kg
Clay
26,0%
Sand
38,7%
Silt
35,2%
15–30 cm
pH H₂O
7,7
Org. C
8,2g/kg
Clay
28,8%
Sand
37,4%
Silt
33,8%

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

Land cover

Forest1.5%
Crops35.6%
Built-up0.1%
Bare soil27.8%
Other (grassland, water…)35.0%

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

Hydrology9 basins · 0 lakes · 0 rivers

Hydrology metrics for this exact territory

Basins crossed

9

Max drainage

12 688km²

Discharge in basins

1,5m³/s

Mean precip.

344mm/an

Mean T°

15,1°C

Moisture idx

-0,70

Mean runoff

36mm/an

Mean elev. (basins)

917m

Watersheds crossing here

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

Human pressure

Pop. density

0hab/km²

Night light

0,2nW

Built-up

12,8%

Pesticides

1,1kg/km²

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