Ontologia

HydroBASINS lev08 watershed · #2080010390

Bassin de Κηφισός

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 : Attica

Pfafstetter: 21307516

Sub-basin area

357,5km²

Upstream area

357,5km²

Discharge

1,1m³/s

Mean elev.

305m

Administrative coverage

1 dept-equivalent regions (GADM L2)

8 intersecting protected areas

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

Species present

2 692 distinct species · 69 990 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

69 990 obs · 9 cellules
Obs. / cellule
≥ 15 650
15 650–15 649
13 804–15 649
6 678–13 803
< 6 678

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 Κηφισός : 28 espèces reliées par 80 interactions GloBI sur 6 types (connectance 11.4%, filtre Serrano α=0.2). 10 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
38
Interactions affichées
80
Connectance
0.114
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°

16,7°C

Annual rain

474mm

Moisture idx (CMI)

-0,56

Runoff

142mm/an

PET

1 087mm

AET

401mm

Mean slope

5,5°

Water table

350cm

Forest

8%

Crops

32%

Urban

75%

Protected

15%

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