Ontologia

HydroBASINS lev08 watershed · #7080032970

Bassin de Ruisseau Akanehau

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 : Minganie--Basse-Côte-Nord

Coastal basin 109% lakePfafstetter: 72370030

Sub-basin area

961km²

Upstream area

961km²

Discharge

8,72m³/s

Mean elev.

48m

Administrative coverage

1 dept-equivalent regions (GADM L2)

7 intersecting protected areas

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

Species present

292 distinct species · 2 596 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

2 596 obs · 14 cellules
Obs. / cellule
≥ 840
724–839
176–723
36–175
< 36

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

Ecological tissue

Sample of 49 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 Ruisseau Akanehau : 35 espèces dont 2 patrimoniales (LR IUCN CR/EN/VU) reliées par 114 interactions GloBI sur 4 types (connectance 9.3%, filtre Serrano α=0.2). 15 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
50
Interactions affichées
114
Connectance
0.093
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°

1,3°C

Annual rain

1 077mm

Moisture idx (CMI)

0,53

Runoff

983mm/an

PET

511mm

AET

500mm

Mean slope

2,5°

Water table

87cm

Forest

32%

Crops

0%

Urban

0%

Protected

1%

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