Ontologia

HydroBASINS lev08 watershed · #7080034870

Bassin de Rivière des Grands Méchins

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 : La Haute-Gaspésie, Matane

Coastal basinPfafstetter: 72601711

Sub-basin area

621,1km²

Upstream area

621,1km²

Discharge

6,05m³/s

Mean elev.

228m

Administrative coverage

2 dept-equivalent regions (GADM L2)

9 intersecting protected areas

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

Species present

741 distinct species · 143 122 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

143 122 obs · 17 cellules
Obs. / cellule
≥ 72 995
50 222–72 994
1 382–50 221
379–1 381
< 379

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

Ecological tissue

Sample of 31 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 Rivière des Grands Méchins : 19 espèces reliées par 85 interactions GloBI sur 3 types (connectance 18.3%, filtre Serrano α=0.2). 12 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
31
Interactions affichées
85
Connectance
0.183
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°

1,8°C

Annual rain

1 013mm

Moisture idx (CMI)

0,38

Runoff

695mm/an

PET

622mm

AET

554mm

Mean slope

5,6°

Water table

82cm

Forest

100%

Crops

3%

Urban

0%

Protected

1%

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