Ontologia

Commune · DZA

Breira

Algeria

CsaTemperate, dry summer, hot summer(100 %)

Species observed

13

Observations

14

Area

73,2km²

Partial data for this territory

Few observations recorded here. Real biodiversity is likely richer.

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 Breira : 6 espèces reliées par 4 interactions GloBI sur 2 types (connectance 26.7%, filtre Serrano α=0.2).

Espèces affichées
6
Interactions affichées
4
Connectance
0.267
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

13 distinct species · 14 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

14 obs · 2 cellules
Obs. / cellule
≥ 7
7–6
7–6
7–6
< 7

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

Climate

Mean T°

17,3°C

Annual rain

474mm

Warmest m°

30,8°C

Coldest m°

6,4°C

Elevation: 368 m on average (min 127 m, max 692 m)

Bioclimatic detailsExpert
Annual mean temp.
17,3°C
Annual rain
474mm
Warmest month
30,8°C
Coldest month
6,4°C
Mean alt.
368m
Min
127m
Max
692m
Std. dev.
143m
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

7,2

Org. C

28,4g/kg

Clay

34,8%

Sand

28,3%

Silt

36,9%

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

Dominant lithology: ssGLiM

3 soil depths detailedExpert
0–5 cm
pH H₂O
7,1
Org. C
47,8g/kg
Clay
34,8%
Sand
27,9%
Silt
37,3%
5–15 cm
pH H₂O
7,2
Org. C
22,1g/kg
Clay
35,7%
Sand
27,2%
Silt
37,0%
15–30 cm
pH H₂O
7,2
Org. C
15,2g/kg
Clay
34,0%
Sand
29,7%
Silt
36,4%

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

Land cover

Forest19.8%
Crops7.1%
Built-up1.0%
Bare soil4.7%
Other (grassland, water…)67.5%

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

Hydrology2 basins · 0 lakes · 2 rivers

Hydrology metrics for this exact territory

Stream length here

20,7km

Basins crossed

2

Max stream order

3

Max drainage

1 155km²

Discharge in basins

0,2m³/s

Mean precip.

586mm/an

Mean T°

16,9°C

Moisture idx

-0,42

Max snow

1%

Mean runoff

88mm/an

Mean elev. (basins)

467m

Watersheds crossing here

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

Human pressure

Pop. density

2hab/km²

Night light

2,0nW

Built-up

99,8%

Pesticides

20,8kg/km²

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