Ontologia

HydroBASINS lev08 watershed · #1081475020

Bassin de Rio Lava

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 1 administrative regions : Nicoadala

Pfafstetter: 11798022

Sub-basin area

308,8km²

Upstream area

308,9km²

Discharge

5,09m³/s

Mean elev.

5m

Administrative coverage

Hydrographic chain

Drains into

Receives from 0 basins

Source / headwater (no upstream basin)

1 dept-equivalent regions (GADM L2)

1 intersecting protected areas

  • Wetland of International Importance (Ramsar Site)

    10.60 km² overlap

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

Species present

118 distinct species · 911 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

911 obs · 7 cellules
Obs. / cellule
≥ 850
850–849
11–849
7–10
< 7

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

Ecological tissue

Sample of 37 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 Rio Lava : 31 espèces dont 3 patrimoniales (LR IUCN CR/EN/VU) reliées par 44 interactions GloBI sur 2 types (connectance 6.3%, filtre Serrano α=0.2). 7 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
38
Interactions affichées
44
Connectance
0.063
Patrimoniales
3
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°

25,5°C

Annual rain

1 264mm

Moisture idx (CMI)

-0,26

Runoff

523mm/an

PET

1 707mm

AET

1 060mm

Mean slope

0,1°

Water table

7cm

Forest

37%

Crops

0%

Urban

6%

Protected

0%

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