Ontologia

Commune · DZA

Merouana

Algeria

BSkArid, steppe, cold(100 %)

Species observed

10

Observations

13

Area

76,4km²

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 Merouana : 2 espèces reliées par 3 interactions GloBI sur 3 types (connectance 100.0%, filtre Serrano α=0.2). 1 bulle taxonomique (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
3
Interactions affichées
3
Connectance
1.000
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

10 distinct species · 13 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

13 obs · 2 cellules
Obs. / cellule
≥ 11
11–10
11–10
11–10
< 11

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

Climate

Mean T°

15,2°C

Annual rain

283mm

Warmest m°

33,0°C

Coldest m°

0,8°C

Elevation: 1 003 m on average (min 878 m, max 1 466 m)

Bioclimatic detailsExpert
Annual mean temp.
15,2°C
Annual rain
283mm
Warmest month
33,0°C
Coldest month
0,8°C
Mean alt.
1 003m
Min
878m
Max
1 466m
Std. dev.
126m
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

7,7

Org. C

13,9g/kg

Clay

24,3%

Sand

41,8%

Silt

33,9%

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

Dominant lithology: scGLiM

3 soil depths detailedExpert
0–5 cm
pH H₂O
7,6
Org. C
19,9g/kg
Clay
23,1%
Sand
42,7%
Silt
34,3%
5–15 cm
pH H₂O
7,8
Org. C
11,5g/kg
Clay
24,2%
Sand
41,8%
Silt
34,0%
15–30 cm
pH H₂O
7,8
Org. C
10,3g/kg
Clay
25,5%
Sand
41,1%
Silt
33,3%

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

Land cover

Forest4.0%
Crops44.2%
Built-up2.2%
Bare soil7.5%
Other (grassland, water…)42.0%

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

Hydrology1 basins · 0 lakes · 1 rivers

Hydrology metrics for this exact territory

Stream length here

2,5km

Basins crossed

1

Max stream order

1

Max drainage

617km²

Mean precip.

373mm/an

Mean T°

13,4°C

Moisture idx

-0,69

Max snow

1%

Mean runoff

14mm/an

Mean elev. (basins)

1 115m

Watersheds crossing here

Rivers / streams (1, ord ≥ 4)

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

Human pressure

Pop. density

4hab/km²

Night light

8,5nW

Built-up

221,7%

Pesticides

8,2kg/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