Ontologia

HydroBASINS lev08 watershed · #4080923640

Bassin de 杨溪河

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 3 administrative regions : Chenzhou, Qingyuan, Shaoguan

Pfafstetter: 43662902

Sub-basin area

463,6km²

Upstream area

463,6km²

Discharge

14,4m³/s

Mean elev.

753m

Administrative coverage

Hydrographic chain

Drains into

Receives from 0 basins

Source / headwater (no upstream basin)

3 dept-equivalent regions (GADM L2)

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

Species present

1 040 distinct species · 7 603 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

7 603 obs · 13 cellules
Obs. / cellule
≥ 4 838
1 264–4 837
548–1 263
32–547
< 32

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

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 Bassin de 杨溪河 : 11 espèces reliées par 14 interactions GloBI sur 3 types (connectance 17.9%, filtre Serrano α=0.2). 2 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
13
Interactions affichées
14
Connectance
0.179
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°

16,8°C

Annual rain

1 552mm

Moisture idx (CMI)

0,26

Runoff

978mm/an

PET

1 135mm

AET

1 024mm

Mean slope

16,9°

Water table

549cm

Forest

63%

Crops

4%

Urban

3%

Protected

41%

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