Ontologia

District · YEM

At Taffah

Yemen

BWhArid, desert, hot(100 %)

Species observed

37

Observations

50

Area

946,1km²

Ecological tissue

Sample of 13 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 At Taffah : 13 espèces reliées par 12 interactions GloBI sur 1 type (connectance 15.4%, filtre Serrano α=0.2).

Espèces affichées
13
Interactions affichées
12
Connectance
0.154
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

37 distinct species · 50 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

50 obs · 5 cellules
Obs. / cellule
≥ 34
34–33
13–33
1–12
< 1

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

Climate

Mean T°

20,5°C

Annual rain

324mm

Warmest m°

31,1°C

Coldest m°

9,3°C

Elevation: 1 839 m on average (min 1 347 m, max 2 045 m)

Bioclimatic detailsExpert
Annual mean temp.
20,5°C
Annual rain
324mm
Warmest month
31,1°C
Coldest month
9,3°C
Mean alt.
1 839m
Min
1 347m
Max
2 045m
Std. dev.
137m
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

7,9

Org. C

14,5g/kg

Clay

29,1%

Sand

35,8%

Silt

35,1%

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

Dominant lithology: mtGLiM

3 soil depths detailedExpert
0–5 cm
pH H₂O
7,9
Org. C
18,5g/kg
Clay
27,4%
Sand
37,0%
Silt
35,5%
5–15 cm
pH H₂O
7,9
Org. C
13,3g/kg
Clay
27,9%
Sand
36,5%
Silt
35,6%
15–30 cm
pH H₂O
8,0
Org. C
11,7g/kg
Clay
32,0%
Sand
33,8%
Silt
34,2%

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

Land cover

Forest1.5%
Crops2.7%
Built-up0.0%
Bare soil40.8%
Other (grassland, water…)55.0%

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

Hydrology2 basins · 0 lakes · 3 rivers

Hydrology metrics for this exact territory

Stream length here

48,6km

Basins crossed

2

Max stream order

4

Max drainage

2 777km²

Discharge in basins

1,1m³/s

Mean precip.

261mm/an

Mean T°

17,9°C

Moisture idx

-0,84

Mean runoff

29mm/an

Mean elev. (basins)

1 875m

Watersheds crossing here

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

Human pressure

Pop. density

0hab/km²

Night light

0,0nW

Built-up

2,1%

Pesticides

0,0kg/km²

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