Ontologia

HydroBASINS lev08 watershed · #4080955730

Bassin de 萬大南溪

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 : Hualien, Nantou

Pfafstetter: 43700148

Sub-basin area

229,7km²

Upstream area

229,7km²

Discharge

11,07m³/s

Mean elev.

2 046m

Administrative coverage

Hydrographic chain

▼ Drains into

Bassin de 濁水溪347 km²

▲ Receives from 0 basins

Source / headwater (no upstream basin)

2 dept-equivalent regions (GADM L2)

1 intersecting protected areas

  • Danda

    IUCN IV

    Major Wildlife Habitat

    100.91 km² overlap

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

Species present

2 033 distinct species · 26 136 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

26 136 obs · 7 cellules
Obs. / cellule
≥ 25 093
25 093–25 092
276–25 092
197–275
< 197

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

Ecological tissue

Sample of 33 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 萬大南溪 : 24 espèces reliées par 34 interactions GloBI sur 3 types (connectance 6.4%, filtre Serrano α=0.2). 9 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
33
Interactions affichées
34
Connectance
0.064
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°

12,3°C

Annual rain

3 177mm

Moisture idx (CMI)

0,68

Runoff

1 500mm/an

PET

937mm

AET

928mm

Mean slope

25,7°

Water table

720cm

Forest

92%

Crops

4%

Urban

0%

Protected

0%

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