Ontologia

HydroBASINS lev08 watershed · #6080015640

Bassin de Arroio Araçá

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 10 administrative regions : Arambaré, Barra do Ribeiro, Barão do Triunfo, Camaquã, Cerro Grande do Sul +5

Coastal basin 13% lakePfafstetter: 64130030

Sub-basin area

2 177km²

Upstream area

2 177km²

Discharge

0,56m³/s

Mean elev.

84m

Administrative coverage

10 dept-equivalent regions (GADM L2)

2 more

3 intersecting protected areas

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

Species present

936 distinct species · 9 811 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

9 811 obs · 52 cellules
Obs. / cellule
≥ 4 574
231–4 573
33–230
12–32
< 12

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

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 Bassin de Arroio Araçá : 28 espèces reliées par 41 interactions GloBI sur 3 types (connectance 6.5%, filtre Serrano α=0.2). 8 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
36
Interactions affichées
41
Connectance
0.065
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°

18,8°C

Annual rain

1 402mm

Moisture idx (CMI)

0,12

Runoff

768mm/an

PET

1 233mm

AET

1 025mm

Mean slope

2,8°

Water table

130cm

Forest

12%

Crops

23%

Urban

0%

Protected

0%

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