Ontologia

Commune · DZA

Tamza

Algeria

BSkArid, steppe, cold(61 %)

Species observed

16

Observations

18

Area

483,5km²

Partial data for this territory

Few observations recorded here. Real biodiversity is likely richer.

Ecological tissue

Sample of 7 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 Tamza : 7 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 5 interactions GloBI sur 2 types (connectance 23.8%, filtre Serrano α=0.2).

Espèces affichées
7
Interactions affichées
5
Connectance
0.238
Patrimoniales
1
Plus dense que (national)0 %(top 100%)

Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).

Species present

16 distinct species · 18 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

18 obs · 7 cellules
Obs. / cellule
≥ 10
10–9
1–9
1–0
< 1

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

Climate

Mean T°

14,1°C

Annual rain

475mm

Warmest m°

31,9°C

Coldest m°

-0,6°C

Elevation: 1 264 m on average (min 866 m, max 1 967 m)

Bioclimatic detailsExpert
Annual mean temp.
14,1°C
Annual rain
475mm
Warmest month
31,9°C
Coldest month
-0,6°C
Mean alt.
1 264m
Min
866m
Max
1 967m
Std. dev.
263m
Köppen-Geiger (dominant)
BSkArid, steppe, cold(61 %)Arid

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

Soil & lithology

pH H₂O

7,6

Org. C

19,9g/kg

Clay

24,4%

Sand

42,9%

Silt

32,7%

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

Dominant lithology: ssGLiM

3 soil depths detailedExpert
0–5 cm
pH H₂O
7,5
Org. C
28,1g/kg
Clay
23,5%
Sand
43,4%
Silt
33,2%
5–15 cm
pH H₂O
7,6
Org. C
15,4g/kg
Clay
24,3%
Sand
42,8%
Silt
32,9%
15–30 cm
pH H₂O
7,6
Org. C
16,2g/kg
Clay
25,5%
Sand
42,5%
Silt
32,0%

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

Land cover

Forest16.6%
Crops10.4%
Built-up0.1%
Bare soil12.0%
Other (grassland, water…)60.9%

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

Hydrology3 basins · 2 lakes · 4 rivers

Hydrology metrics for this exact territory

Stream length here

12,3km

Lake surface here

2,36km²

Basins crossed

3

Max stream order

4

Max drainage

812km²

Discharge in basins

0,2m³/s

Mean precip.

430mm/an

Mean T°

12,8°C

Moisture idx

-0,65

Max snow

2%

Mean runoff

27mm/an

Mean elev. (basins)

1 138m

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

Human pressure

Pop. density

0hab/km²

Night light

0,2nW

Built-up

11,1%

Pesticides

0,2kg/km²

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