Ontologia

HydroBASINS lev08 watershed · #2080242810

Bassin de Тигода

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 5 administrative regions : Chudovskiy rayon, Kirishskiy rayon, Kirovskiy rayon, Novgorodskiy rayon, Tosnenskiy rayon

Pfafstetter: 24325040

Sub-basin area

2 247,8km²

Upstream area

2 247,9km²

Discharge

13,17m³/s

Mean elev.

51m

Administrative coverage

Hydrographic chain

Drains into

Receives from 0 basins

Source / headwater (no upstream basin)

5 dept-equivalent regions (GADM L2)

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

Species present

846 distinct species · 2 529 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

2 529 obs · 53 cellules
Obs. / cellule
≥ 718
121–717
30–120
8–29
< 8

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 Тигода : 18 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 86 interactions GloBI sur 5 types (connectance 18.5%, filtre Serrano α=0.2). 13 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
31
Interactions affichées
86
Connectance
0.185
Patrimoniales
1
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°

4,0°C

Annual rain

626mm

Moisture idx (CMI)

0,07

Runoff

185mm/an

PET

584mm

AET

442mm

Mean slope

0,9°

Water table

48cm

Forest

85%

Crops

7%

Urban

0%

Protected

0%

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