Ontologia

Commune · DZA

Grarem Gouga

Algeria

CsaTemperate, dry summer, hot summer(100 %)

Species observed

280

Observations

906

Area

141,3km²

Ecological tissue

Sample of 37 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 Grarem Gouga : 28 espèces reliées par 90 interactions GloBI sur 5 types (connectance 12.8%, filtre Serrano α=0.2). 10 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
38
Interactions affichées
90
Connectance
0.128
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

280 distinct species · 906 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

906 obs · 3 cellules
Obs. / cellule
≥ 498
498–497
498–497
251–497
< 251

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

670mm

Warmest m°

33,6°C

Coldest m°

2,8°C

Elevation: 486 m on average (min 199 m, max 1 162 m)

Bioclimatic detailsExpert
Annual mean temp.
16,7°C
Annual rain
670mm
Warmest month
33,6°C
Coldest month
2,8°C
Mean alt.
486m
Min
199m
Max
1 162m
Std. dev.
239m
Köppen-Geiger (dominant)
CsaTemperate, dry summer, hot summer(100 %)Temperate

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

Soil & lithology

pH H₂O

6,5

Org. C

30,8g/kg

Clay

31,1%

Sand

35,4%

Silt

33,5%

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

Dominant lithology: ssGLiM

3 soil depths detailedExpert
0–5 cm
pH H₂O
6,5
Org. C
48,8g/kg
Clay
31,4%
Sand
35,4%
Silt
33,2%
5–15 cm
pH H₂O
6,5
Org. C
25,7g/kg
Clay
31,0%
Sand
35,1%
Silt
33,9%
15–30 cm
pH H₂O
6,5
Org. C
18,0g/kg
Clay
30,9%
Sand
35,7%
Silt
33,4%

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

Land cover

Forest8.0%
Crops37.6%
Built-up1.2%
Bare soil4.4%
Other (grassland, water…)48.7%

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

Hydrology4 basins · 0 lakes · 4 rivers

Hydrology metrics for this exact territory

Stream length here

12,5km

Basins crossed

4

Max stream order

2

Max drainage

7 910km²

Discharge in basins

3,2m³/s

Mean precip.

778mm/an

Mean T°

15,5°C

Moisture idx

-0,33

Max snow

2%

Mean runoff

199mm/an

Mean elev. (basins)

583m

Watersheds crossing here

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

Human pressure

Pop. density

3hab/km²

Night light

2,5nW

Built-up

124,4%

Pesticides

17,9kg/km²

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