Ontologia

Commune · DZA

Seggana

Algeria

BWhArid, desert, hot(60 %)

Species observed

22

Observations

39

Area

287,2km²

Ecological tissue

Sample of 11 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 Seggana : 10 espèces reliées par 8 interactions GloBI sur 2 types (connectance 14.5%, filtre Serrano α=0.2). 1 bulle taxonomique (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
11
Interactions affichées
8
Connectance
0.145
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

22 distinct species · 39 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

39 obs · 5 cellules
Obs. / cellule
≥ 18
18–17
10–17
6–9
< 6

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

Climate

Mean T°

18,2°C

Annual rain

287mm

Warmest m°

35,7°C

Coldest m°

2,4°C

Elevation: 653 m on average (min 489 m, max 1 059 m)

Bioclimatic detailsExpert
Annual mean temp.
18,2°C
Annual rain
287mm
Warmest month
35,7°C
Coldest month
2,4°C
Mean alt.
653m
Min
489m
Max
1 059m
Std. dev.
109m
Köppen-Geiger (dominant)
BWhArid, desert, hot(60 %)Arid

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

Soil & lithology

pH H₂O

8,0

Org. C

8,2g/kg

Clay

20,0%

Sand

48,9%

Silt

31,1%

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

Dominant lithology: ssGLiM

3 soil depths detailedExpert
0–5 cm
pH H₂O
7,9
Org. C
10,3g/kg
Clay
18,3%
Sand
49,8%
Silt
31,9%
5–15 cm
pH H₂O
8,0
Org. C
7,2g/kg
Clay
20,3%
Sand
48,6%
Silt
31,1%
15–30 cm
pH H₂O
8,0
Org. C
7,0g/kg
Clay
21,4%
Sand
48,2%
Silt
30,4%

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

Land cover

Forest0.9%
Crops11.4%
Built-up0.2%
Bare soil51.5%
Other (grassland, water…)36.0%

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

Hydrology3 basins · 0 lakes · 1 rivers

Hydrology metrics for this exact territory

Stream length here

15,6km

Basins crossed

3

Max stream order

4

Max drainage

2 167km²

Discharge in basins

0,2m³/s

Mean precip.

242mm/an

Mean T°

16,8°C

Moisture idx

-0,81

Mean runoff

26mm/an

Mean elev. (basins)

637m

Watersheds crossing here

Rivers / streams (1, ord ≥ 4)

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

Human pressure

Pop. density

0hab/km²

Night light

1,1nW

Built-up

19,1%

Pesticides

0,0kg/km²

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