Ontologia

Commune · DZA

Chihani

Algeria

CsaTemperate, dry summer, hot summer(100 %)

Species observed

6

Observations

9

Area

201,4km²

Partial data for this territory

Few observations recorded here. Real biodiversity is likely richer.

Ecological tissue

Sample of 3 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 Chihani : 3 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 2 interactions GloBI sur 1 type (connectance 66.7%, filtre Serrano α=0.2).

Espèces affichées
3
Interactions affichées
2
Connectance
0.667
Patrimoniales
1
Plus dense que (national)0 %(top 100%)

Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).

Species present

6 distinct species · 9 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

9 obs · 3 cellules
Obs. / cellule
≥ 4
4–3
4–3
3–3
< 3

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

Climate

Mean T°

17,8°C

Annual rain

743mm

Warmest m°

33,3°C

Coldest m°

5,2°C

Elevation: 249 m on average (min 27 m, max 610 m)

Bioclimatic detailsExpert
Annual mean temp.
17,8°C
Annual rain
743mm
Warmest month
33,3°C
Coldest month
5,2°C
Mean alt.
249m
Min
27m
Max
610m
Std. dev.
135m
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

6,6

Org. C

26,5g/kg

Clay

34,9%

Sand

32,7%

Silt

32,4%

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

Dominant lithology: ssGLiM

3 soil depths detailedExpert
0–5 cm
pH H₂O
6,6
Org. C
42,8g/kg
Clay
35,0%
Sand
32,5%
Silt
32,5%
5–15 cm
pH H₂O
6,7
Org. C
22,0g/kg
Clay
35,1%
Sand
32,2%
Silt
32,7%
15–30 cm
pH H₂O
6,6
Org. C
14,7g/kg
Clay
34,5%
Sand
33,5%
Silt
32,0%

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

Land cover

Forest29.4%
Crops10.5%
Built-up0.2%
Bare soil1.6%
Other (grassland, water…)58.3%

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

Hydrology2 basins · 0 lakes · 3 rivers

Hydrology metrics for this exact territory

Stream length here

33,5km

Basins crossed

2

Max stream order

5

Max drainage

6 333km²

Discharge in basins

2,8m³/s

Mean precip.

739mm/an

Mean T°

17,2°C

Moisture idx

-0,40

Max snow

2%

Mean runoff

214mm/an

Mean elev. (basins)

228m

Watersheds crossing here

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

Human pressure

Pop. density

0hab/km²

Night light

0,5nW

Built-up

18,0%

Pesticides

0,6kg/km²

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