Ontologia

District · YEM

Lawdar

Yemen

BWhArid, desert, hot(98 %)

Species observed

86

Observations

201

Area

2 114,2km²

Ecological tissue

Sample of 2 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 Lawdar : 2 espèces reliées par 1 interaction GloBI sur 1 type (connectance 100.0%, filtre Serrano α=0.2).

Espèces affichées
2
Interactions affichées
1
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

86 distinct species · 201 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

201 obs · 13 cellules
Obs. / cellule
≥ 81
70–80
10–69
4–9
< 4

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

Climate

Mean T°

23,5°C

Annual rain

291mm

Warmest m°

31,5°C

Coldest m°

14,1°C

Elevation: 1 113 m on average (min 578 m, max 2 214 m)

Bioclimatic detailsExpert
Annual mean temp.
23,5°C
Annual rain
291mm
Warmest month
31,5°C
Coldest month
14,1°C
Mean alt.
1 113m
Min
578m
Max
2 214m
Std. dev.
338m
Köppen-Geiger (dominant)
BWhArid, desert, hot(98 %)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

12,1g/kg

Clay

21,8%

Sand

39,2%

Silt

39,0%

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

Dominant lithology: mtGLiM

3 soil depths detailedExpert
0–5 cm
pH H₂O
8,0
Org. C
14,8g/kg
Clay
19,8%
Sand
40,8%
Silt
39,4%
5–15 cm
pH H₂O
8,0
Org. C
11,3g/kg
Clay
21,3%
Sand
39,5%
Silt
39,1%
15–30 cm
pH H₂O
8,0
Org. C
10,3g/kg
Clay
24,2%
Sand
37,4%
Silt
38,4%

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

Land cover

Forest0.2%
Crops2.9%
Built-up0.1%
Bare soil64.0%
Other (grassland, water…)32.8%

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

Hydrology9 basins · 0 lakes · 7 rivers

Hydrology metrics for this exact territory

Stream length here

168,9km

Basins crossed

9

Max stream order

4

Max drainage

3 944km²

Discharge in basins

0,5m³/s

Mean precip.

135mm/an

Mean T°

21,8°C

Moisture idx

-0,92

Mean runoff

22mm/an

Mean elev. (basins)

1 091m

Watersheds crossing here

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

Human pressure

Pop. density

1hab/km²

Night light

0,0nW

Built-up

5,6%

Pesticides

0,0kg/km²

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