Ontologia

HydroBASINS lev08 watershed · #2080059960

Bassin de Adventelva

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.

Pfafstetter: 25300118

Sub-basin area

405,3km²

Upstream area

405,3km²

Discharge

8,96m³/s

Mean elev.

403m

Administrative coverage

0 dept-equivalent regions (GADM L2)

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

    Species present

    1 256 distinct species · 30 157 observations

    Source: GBIF Occurrence snapshot 2026-05-01.

    Densité d'observations

    30 157 obs · 12 cellules
    Obs. / cellule
    ≥ 13 573
    11 832–13 572
    1 588–11 831
    395–1 587
    < 395

    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 Adventelva : 19 espèces dont 2 patrimoniales (LR IUCN CR/EN/VU) reliées par 116 interactions GloBI sur 5 types (connectance 15.7%, filtre Serrano α=0.2). 20 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

    Espèces affichées
    39
    Interactions affichées
    116
    Connectance
    0.157
    Patrimoniales
    2
    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°

    -7,6°C

    Annual rain

    285mm

    Moisture idx (CMI)

    0,47

    Runoff

    477mm/an

    PET

    145mm

    AET

    130mm

    Mean slope

    15,2°

    Water table

    247cm

    Forest

    0%

    Crops

    0%

    Urban

    0%

    Protected

    0%

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