Ontologia

Commune · DZA

Ain Tesra

Algeria

BSkArid, steppe, cold(97 %)

Species observed

11

Observations

18

Area

117,8km²

Partial data for this territory

Few observations recorded here. Real biodiversity is likely richer.

Ecological tissue

Sample of 5 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 Ain Tesra : 5 espèces dont 2 patrimoniales (LR IUCN CR/EN/VU) reliées par 3 interactions GloBI sur 2 types (connectance 30.0%, filtre Serrano α=0.2).

Espèces affichées
5
Interactions affichées
3
Connectance
0.300
Patrimoniales
2
Plus dense que (national)0 %(top 100%)

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

Species present

11 distinct species · 18 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

18 obs · 2 cellules
Obs. / cellule
≥ 10
10–9
10–9
10–9
< 10

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

Climate

Mean T°

14,7°C

Annual rain

416mm

Warmest m°

32,7°C

Coldest m°

0,8°C

Elevation: 1 029 m on average (min 926 m, max 1 404 m)

Bioclimatic detailsExpert
Annual mean temp.
14,7°C
Annual rain
416mm
Warmest month
32,7°C
Coldest month
0,8°C
Mean alt.
1 029m
Min
926m
Max
1 404m
Std. dev.
53m
Köppen-Geiger (dominant)
BSkArid, steppe, cold(97 %)Arid

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

Soil & lithology

pH H₂O

7,6

Org. C

15,2g/kg

Clay

24,4%

Sand

39,8%

Silt

35,8%

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

Dominant lithology: ssGLiM

3 soil depths detailedExpert
0–5 cm
pH H₂O
7,5
Org. C
23,3g/kg
Clay
23,2%
Sand
40,2%
Silt
36,5%
5–15 cm
pH H₂O
7,7
Org. C
12,5g/kg
Clay
23,5%
Sand
40,2%
Silt
36,3%
15–30 cm
pH H₂O
7,7
Org. C
9,7g/kg
Clay
26,6%
Sand
39,0%
Silt
34,4%

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

Land cover

Forest1.2%
Crops52.6%
Built-up0.5%
Bare soil8.7%
Other (grassland, water…)36.9%

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

Hydrology3 basins · 0 lakes · 1 rivers

Hydrology metrics for this exact territory

Stream length here

0,1km

Basins crossed

3

Max stream order

1

Max drainage

3 005km²

Discharge in basins

0,3m³/s

Mean precip.

455mm/an

Mean T°

13,5°C

Moisture idx

-0,61

Max snow

1%

Mean runoff

98mm/an

Mean elev. (basins)

1 019m

Watersheds crossing here

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

Human pressure

Pop. density

1hab/km²

Night light

2,6nW

Built-up

52,1%

Pesticides

3,6kg/km²

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