Ontologia

HydroBASINS lev08 watershed · #4080735020

Bassin de 长江

A watershed (drainage basin) is not a body of water — it is the land area where rainfall converges towards a single river that eventually reaches the sea (or an endorheic basin). Boundaries follow ridgelines.

Crosses 2 administrative regions : Enshi Tujia and Miao, Yichang

76% lakePfafstetter: 43491570

Sub-basin area

432,7km²

Upstream area

971 143,5km²

Discharge

13 614,77m³/s

Mean elev.

720m

Administrative coverage

Hydrographic chain

Drains into

Receives from 2 basins

2 dept-equivalent regions (GADM L2)

  • Enshi Tujia and Miao
    225.5 km²
    52.1% of basin
  • Yichang
    206.9 km²
    47.9% of basin

Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.

Species present

51 distinct species · 81 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

81 obs · 10 cellules
Obs. / cellule
≥ 22
22–21
16–21
5–15
< 5

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

Ecological tissue

Sample of 11 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 Bassin de 长江 : 11 espèces reliées par 7 interactions GloBI sur 3 types (connectance 12.7%, filtre Serrano α=0.2).

Espèces affichées
11
Interactions affichées
7
Connectance
0.127
Patrimoniales
0
Plus dense que (national)0 %(top 100%)

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

Hydroclimate (BasinATLAS lev08)

Mean T°

14,6°C

Annual rain

1 028mm

Moisture idx (CMI)

-0,04

Runoff

707mm/an

PET

1 067mm

AET

845mm

Mean slope

21,0°

Water table

697cm

Forest

68%

Crops

14%

Urban

6%

Protected

0%

HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)