Tibet Selincuo Wetlands
IUCN IaWetland of International Importance (Ramsar Site) · 2018
18 916 km²
Commune · CHN
Nagchu
China
ETPolar, tundra(92 %)
Species observed
162
Observations
276
Area
16 290,5km²
Ecological tissue
Sample of 36 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 Nagchu : 30 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 46 interactions GloBI sur 4 types (connectance 7.3%, filtre Serrano α=0.2). 6 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).
Espèces affichées
36
Interactions affichées
46
Connectance
0.073
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
162 distinct species · 276 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Climate
Mean T°
-3,9°C
Annual rain
783mm
Warmest m°
12,4°C
Coldest m°
-25,0°C
Elevation: 4 834 m on average (min 4 230 m, max 5 919 m)
Bioclimatic details19 BIO + Köppen full + altitude statsExpert
Annual mean temp.
-3,9°C
Annual rain
783mm
Warmest month
12,4°C
Coldest month
-25,0°C
Mean alt.
4 834m
Min
4 230m
Max
5 919m
Std. dev.
283m
Köppen-Geiger (dominant)
ETPolar, tundra(92 %)Polar
CHELSA BIO 1-19 v2.1 · ETOPO DEM 60s · Köppen-Geiger 1991-2020 (Beck et al. 2018)
Soil & lithology
pH H₂O
7,1
Org. C
40,3g/kg
Clay
15,0%
Sand
55,7%
Silt
29,3%
Average over 0-30 cm. Per-depth details in expert panel.
Dominant lithology: smGLiMaggregated to Nagchu
3 soil depths detailed0-5cm / 5-15cm / 15-30cm × 5 propsExpert
0–5 cm
pH H₂O
7,1
Org. C
49,1g/kg
Clay
14,0%
Sand
56,7%
Silt
29,3%
5–15 cm
pH H₂O
7,1
Org. C
45,8g/kg
Clay
14,9%
Sand
55,8%
Silt
29,3%
15–30 cm
pH H₂O
7,1
Org. C
26,0g/kg
Clay
16,2%
Sand
54,5%
Silt
29,3%
SoilGrids 250m (ISRIC, 2017) · GLiM v1.0 (Hartmann & Moosdorf 2012)
Land cover
Forest0.1%
Crops0.0%
Built-up0.0%
Bare soil13.1%
Other (grassland, water…)86.8%
Copernicus Global Land Cover 100m (Buchhorn et al. 2020)
Hydrology36 basins · 21 lakes · 8 rivers
Hydrology metrics for this exact territory
Stream length here
890,2km
Lake surface here
264,84km²
Basins crossed
36
Max stream order
5
Max drainage
25 673km²
Discharge in basins
311,1m³/s
Mean precip.
375mm/an
Mean T°
-2,2°C
Moisture idx
-0,44
Max snow
23%
Mean runoff
161mm/an
Mean elev. (basins)
4 827m
Watersheds crossing here
- Basin #55770sub-area2 228,6 km²overlap2133.39 km²13%
- Bassin de 那曲sub-area2 078,3 km²overlap2076.41 km²13%
- Bassin de 罗曲sub-area1 468,1 km²overlap1423.19 km²9%
- Bassin de 桑曲sub-area2 219,1 km²overlap1359.17 km²8%
- Bassin de 那曲sub-area1 357,5 km²overlap1350.77 km²8%
- Bassin de 那曲sub-area1 070,5 km²overlap1067.35 km²7%
- Bassin de 那曲sub-area826,3 km²overlap812.25 km²5%
- Basin #52510sub-area3 321,5 km²overlap803.09 km²5%
- Basin #43500sub-area782,9 km²overlap781.77 km²5%
27 more basinssorted by overlap
- Bassin de 称曲sub-area1 206,8 km²overlap647.06 km²4%
- Bassin de 那曲sub-area507,7 km²overlap507.28 km²3%
- Bassin de 卡曲sub-area594,1 km²overlap500.31 km²3%
- Bassin de 那曲sub-area435,1 km²overlap434.71 km²3%
- Bassin de 卡曲sub-area423,9 km²overlap417.43 km²3%
- Bassin de 那曲sub-area394,2 km²overlap393.88 km²2%
- Bassin de 那曲sub-area355 km²overlap354.73 km²2%
- Bassin de 那曲sub-area257,4 km²overlap257.17 km²2%
- Bassin de 那曲sub-area223,6 km²overlap223.45 km²1%
- Bassin de 拉萨河sub-area559,2 km²overlap172.68 km²1%
- Bassin de 那曲sub-area768,5 km²overlap130.44 km²1%
- Bassin de 那曲sub-area127,8 km²overlap127.67 km²1%
- Bassin de 那曲sub-area123,7 km²overlap123.20 km²1%
- Bassin de 麦地藏布sub-area671 km²overlap104.89 km²1%
- Bassin de 卡曲sub-area119,7 km²overlap32.16 km²0%
- Basin #14600sub-area444,8 km²overlap13.49 km²0%
- Bassin de 那曲sub-area397,9 km²overlap9.58 km²0%
- Bassin de 卡曲sub-area980,5 km²overlap9.37 km²0%
- Basin #55610sub-area1 209,5 km²overlap8.05 km²0%
- Bassin de 麦地藏布sub-area935,7 km²overlap3.48 km²0%
- Bassin de 麦地藏布sub-area699,5 km²overlap2.96 km²0%
- Bassin de 那曲sub-area249,7 km²overlap2.91 km²0%
- Bassin de 江曲sub-area2 158,1 km²overlap2.60 km²0%
- Bassin de 拉萨河sub-area1 402,3 km²overlap2.05 km²0%
- Bassin de 那曲sub-area57,1 km²overlap1.43 km²0%
- Bassin de 热他曲sub-area205,2 km²overlap0.08 km²0%
- Bassin de 卡曲sub-area794,5 km²overlap0.08 km²0%
Lakes (21, top by area)
- Bongarea144,1 km²avg depth38.3 m
- Nairi Pingcuoarea75,9 km²avg depth3.5 m
- Co Ngoinarea70,3 km²avg depth4.8 m
- ཧང་མཚོ། 夯错area4,8 km²avg depth2.4 m
- 错姆日area2,9 km²avg depth2.8 m
- Lake #75718area2,2 km²avg depth3.1 m
- Lake #75514area1,6 km²avg depth1.5 m
- Lake #75657area1,5 km²avg depth1.2 m
- 俄鲁粑错area1,4 km²avg depth1.7 m
12 more lakes
- 格姆错area1,4 km²avg depth1.8 m
- Lac 1376500area1 km²avg depth2.2 m
- Lac 1376129area0,8 km²avg depth2.3 m
- Lac 1376115area0,5 km²avg depth2.4 m
- Lac 1376509area0,4 km²avg depth2.4 m
- Lac 1376946area0,3 km²avg depth1.7 m
- Lac 1376468area0,3 km²avg depth1.6 m
- Lac 1375955area0,2 km²avg depth1.4 m
- Lac 1376074area0,2 km²avg depth2.1 m
- Lac 1376465area0,2 km²avg depth1.3 m
- Lac 1376109area0,1 km²avg depth1.3 m
- Lac 1376033area0,1 km²avg depth1.3 m
Rivers / streams (8, ord ≥ 4)
- 那曲ord 6len here479.01 km73%total656 km
- 罗曲ord 3len here173.37 km99%total175 km
- 桑曲ord 5len here95.13 km19%total493 km
- 卡曲ord 5len here86.98 km23%total376 km
- 称曲ord 3len here25.56 km72%total36 km
- 色里尼曲ord 3len here18.83 km100%total19 km
- 萨嘎匈曲ord 1len here10.11 km100%total10 km
- 拉萨河ord 6len here1.17 km0%total830 km
Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10
Human pressure
Pop. density
0hab/km²
Night light
0,0nW
Built-up
1,1%
Pesticides
0,2kg/km²
GHSL POP/Built 2020 · VIIRS lumière nocturne · PEST-CHEMGRIDS 2020 (Maggi et al.)
Protected areas1
IUCN Ia · 1
WDPA (World Database on Protected Areas) — UNEP-WCMC & IUCN