Ontologia

Commune · DZA

Seriana

Algeria

BSkArid, steppe, cold(100 %)

Species observed

25

Observations

30

Area

176,4km²

Ecological tissue

Sample of 9 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 Seriana : 9 espèces reliées par 7 interactions GloBI sur 1 type (connectance 19.4%, filtre Serrano α=0.2).

Espèces affichées
9
Interactions affichées
7
Connectance
0.194
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

25 distinct species · 30 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

30 obs · 5 cellules
Obs. / cellule
≥ 9
9–8
9–8
8–8
< 8

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

Climate

Mean T°

15,3°C

Annual rain

302mm

Warmest m°

33,0°C

Coldest m°

0,7°C

Elevation: 980 m on average (min 803 m, max 1 476 m)

Bioclimatic detailsExpert
Annual mean temp.
15,3°C
Annual rain
302mm
Warmest month
33,0°C
Coldest month
0,7°C
Mean alt.
980m
Min
803m
Max
1 476m
Std. dev.
200m
Köppen-Geiger (dominant)
BSkArid, steppe, cold(100 %)Arid

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

Soil & lithology

pH H₂O

7,8

Org. C

14,3g/kg

Clay

24,1%

Sand

40,4%

Silt

35,5%

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

Dominant lithology: ssGLiM

3 soil depths detailedExpert
0–5 cm
pH H₂O
7,6
Org. C
19,7g/kg
Clay
22,7%
Sand
40,9%
Silt
36,4%
5–15 cm
pH H₂O
7,8
Org. C
12,4g/kg
Clay
23,4%
Sand
40,7%
Silt
35,9%
15–30 cm
pH H₂O
7,8
Org. C
10,9g/kg
Clay
26,3%
Sand
39,5%
Silt
34,3%

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

Land cover

Forest9.6%
Crops33.7%
Built-up0.6%
Bare soil7.3%
Other (grassland, water…)48.9%

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

Hydrology2 basins · 0 lakes · 0 rivers

Hydrology metrics for this exact territory

Basins crossed

2

Max drainage

2 582km²

Mean precip.

382mm/an

Mean T°

13,9°C

Moisture idx

-0,69

Max snow

1%

Mean runoff

24mm/an

Mean elev. (basins)

963m

Watersheds crossing here

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

Human pressure

Pop. density

1hab/km²

Night light

2,3nW

Built-up

56,5%

Pesticides

12,4kg/km²

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

Protected areas2

IUCN Not Applicable · 1IUCN II · 1

Belezma

IUCN Not Applicable

UNESCO-MAB Biosphere Reserve · 2015

660 km²

Belezma

IUCN II

National Park · 1984

272 km²

WDPA (World Database on Protected Areas) — UNEP-WCMC & IUCN