Ontologia

Commune · CHN

Gar

China

ETPolar, tundra(59 %)

Species observed

281

Observations

679

Area

16 910,2km²

Ecological tissue

Sample of 30 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 Gar : 23 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 38 interactions GloBI sur 4 types (connectance 7.7%, filtre Serrano α=0.2). 9 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
32
Interactions affichées
38
Connectance
0.077
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

281 distinct species · 679 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

679 obs · 44 cellules
Obs. / cellule
≥ 352
20–351
5–19
3–4
< 3

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

Climate

Mean T°

-5,5°C

Annual rain

301mm

Warmest m°

12,9°C

Coldest m°

-26,8°C

Elevation: 4 997 m on average (min 4 221 m, max 6 067 m)

Bioclimatic detailsExpert
Annual mean temp.
-5,5°C
Annual rain
301mm
Warmest month
12,9°C
Coldest month
-26,8°C
Mean alt.
4 997m
Min
4 221m
Max
6 067m
Std. dev.
442m
Köppen-Geiger (dominant)
ETPolar, tundra(59 %)Polar

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

18,6g/kg

Clay

17,8%

Sand

50,4%

Silt

31,8%

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

Dominant lithology: smGLiMaggregated to Ngari

3 soil depths detailedExpert
0–5 cm
pH H₂O
7,5
Org. C
21,5g/kg
Clay
17,1%
Sand
51,0%
Silt
31,9%
5–15 cm
pH H₂O
7,6
Org. C
18,3g/kg
Clay
17,7%
Sand
50,3%
Silt
31,9%
15–30 cm
pH H₂O
7,6
Org. C
16,1g/kg
Clay
18,5%
Sand
49,8%
Silt
31,7%

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

Land cover

Forest0.0%
Crops0.0%
Built-up0.0%
Bare soil74.5%
Other (grassland, water…)25.5%

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

Hydrology51 basins · 8 lakes · 10 rivers

Hydrology metrics for this exact territory

Stream length here

1 215,6km

Lake surface here

6,91km²

Basins crossed

51

Max stream order

6

Max drainage

26 952km²

Discharge in basins

583,3m³/s

Mean precip.

274mm/an

Mean T°

-3,3°C

Moisture idx

-0,54

Max snow

34%

Mean runoff

227mm/an

Mean elev. (basins)

4 986m

Watersheds crossing here

42 more basins

Lakes (8, top by area)

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

Human pressure

Pop. density

0hab/km²

Night light

0,0nW

Built-up

0,7%

Pesticides

0,1kg/km²

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