Ontologia

HydroBASINS lev08 watershed · #2080485470

Bassin de Crasna

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 25 administrative regions across 2 countries : Acas, Ardud, Baita De Sub Codru, Basesti, Beltiug +20

Pfafstetter: 22769405

Sub-basin area

947,8km²

Upstream area

2 124,4km²

Discharge

11,87m³/s

Mean elev.

153m

Administrative coverage

Hydrographic chain

Drains into

Receives from 2 basins

25 dept-equivalent regions (GADM L2)

17 more

7 intersecting protected areas

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

Species present

321 distinct species · 1 151 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

1 151 obs · 25 cellules
Obs. / cellule
≥ 213
130–212
53–129
13–52
< 13

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

Ecological tissue

Sample of 43 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 Crasna : 31 espèces dont 3 patrimoniales (LR IUCN CR/EN/VU) reliées par 92 interactions GloBI sur 5 types (connectance 10.2%, filtre Serrano α=0.2). 12 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
43
Interactions affichées
92
Connectance
0.102
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°

10,0°C

Annual rain

629mm

Moisture idx (CMI)

-0,30

Runoff

163mm/an

PET

893mm

AET

534mm

Mean slope

1,6°

Water table

95cm

Forest

11%

Crops

54%

Urban

2%

Protected

0%

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