Ontologia

Commune · DZA

Texenna

Algeria

CsaTemperate, dry summer, hot summer(100 %)

Species observed

131

Observations

419

Area

164,7km²

Ecological tissue

Sample of 38 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 Texenna : 32 espèces dont 2 patrimoniales (LR IUCN CR/EN/VU) reliées par 60 interactions GloBI sur 5 types (connectance 8.5%, filtre Serrano α=0.2). 6 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
38
Interactions affichées
60
Connectance
0.085
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

131 distinct species · 419 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

419 obs · 3 cellules
Obs. / cellule
≥ 323
323–322
323–322
57–322
< 57

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

Climate

Mean T°

16,0°C

Annual rain

870mm

Warmest m°

29,7°C

Coldest m°

4,3°C

Elevation: 566 m on average (min 137 m, max 1 283 m)

Bioclimatic detailsExpert
Annual mean temp.
16,0°C
Annual rain
870mm
Warmest month
29,7°C
Coldest month
4,3°C
Mean alt.
566m
Min
137m
Max
1 283m
Std. dev.
244m
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

6,1

Org. C

40,6g/kg

Clay

30,3%

Sand

35,5%

Silt

34,2%

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

Dominant lithology: ssGLiM

3 soil depths detailedExpert
0–5 cm
pH H₂O
6,1
Org. C
62,9g/kg
Clay
29,3%
Sand
35,9%
Silt
34,7%
5–15 cm
pH H₂O
6,1
Org. C
35,1g/kg
Clay
29,3%
Sand
35,6%
Silt
35,1%
15–30 cm
pH H₂O
6,1
Org. C
23,8g/kg
Clay
32,1%
Sand
35,1%
Silt
32,8%

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

Land cover

Forest36.1%
Crops8.3%
Built-up0.5%
Bare soil3.3%
Other (grassland, water…)51.8%

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

Hydrology2 basins · 0 lakes · 6 rivers

Hydrology metrics for this exact territory

Stream length here

34,5km

Basins crossed

2

Max stream order

3

Max drainage

583km²

Discharge in basins

1,3m³/s

Mean precip.

906mm/an

Mean T°

15,1°C

Moisture idx

-0,15

Max snow

4%

Mean runoff

290mm/an

Mean elev. (basins)

532m

Watersheds crossing here

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

Human pressure

Pop. density

1hab/km²

Night light

1,0nW

Built-up

54,0%

Pesticides

13,2kg/km²

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