Ontologia

Commune · DZA

Guemar

Algeria

BWhArid, desert, hot(100 %)

Species observed

44

Observations

54

Area

1 249,4km²

Ecological tissue

Sample of 6 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 Guemar : 6 espèces reliées par 4 interactions GloBI sur 1 type (connectance 14.3%, filtre Serrano α=0.2). 2 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
8
Interactions affichées
4
Connectance
0.143
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

44 distinct species · 54 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

54 obs · 19 cellules
Obs. / cellule
≥ 9
7–8
3–6
2–2
< 2

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

Climate

Mean T°

22,5°C

Annual rain

90mm

Warmest m°

39,7°C

Coldest m°

5,1°C

Elevation: 3 m on average (min -24 m, max 72 m)

Bioclimatic detailsExpert
Annual mean temp.
22,5°C
Annual rain
90mm
Warmest month
39,7°C
Coldest month
5,1°C
Mean alt.
3m
Min
-24m
Max
72m
Std. dev.
24m
Köppen-Geiger (dominant)
BWhArid, desert, hot(100 %)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

17,0g/kg

Clay

26,5%

Sand

39,0%

Silt

34,5%

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

Dominant lithology: suGLiM

3 soil depths detailedExpert
0–5 cm
pH H₂O
8,0
Org. C
18,8g/kg
Clay
26,2%
Sand
39,1%
Silt
34,7%
5–15 cm
pH H₂O
8,0
Org. C
15,9g/kg
Clay
27,1%
Sand
38,7%
Silt
34,2%
15–30 cm
pH H₂O
8,0
Org. C
16,4g/kg
Clay
26,3%
Sand
39,1%
Silt
34,6%

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

Land cover

Forest0.5%
Crops0.7%
Built-up0.2%
Bare soil96.0%
Other (grassland, water…)2.6%

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

Hydrology5 basins · 0 lakes · 0 rivers

Hydrology metrics for this exact territory

Basins crossed

5

Max drainage

22 596km²

Mean precip.

81mm/an

Mean T°

21,8°C

Moisture idx

-0,95

Mean runoff

8mm/an

Mean elev. (basins)

36m

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

Human pressure

Pop. density

0hab/km²

Night light

0,9nW

Built-up

18,7%

Pesticides

0,0kg/km²

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

Protected areas1

IUCN Not Reported · 1

Chott Melrhir

IUCN Not Reported

Wetland of International Importance (Ramsar Site) · 2003

5 386 km²

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