Ontologia

HydroBASINS lev08 watershed · #2080386280

Bassin de Сейм

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 3 administrative regions : Kursk, Kurskiy rayon, Medvenskiy rayon

7% lakePfafstetter: 22520491

Sub-basin area

446,9km²

Upstream area

4 900,8km²

Discharge

24,07m³/s

Mean elev.

201m

Administrative coverage

Hydrographic chain

▼ Drains into

Bassin de Сейм360 km²

▲ Receives from 2 basins

3 dept-equivalent regions (GADM L2)

2 intersecting protected areas

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

Species present

2 055 distinct species · 26 562 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

26 562 obs · 14 cellules
Obs. / cellule
≥ 9 185
8 587–9 184
1 652–8 586
523–1 651
< 523

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

Ecological tissue

Sample of 32 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 Сейм : 19 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 99 interactions GloBI sur 5 types (connectance 20.0%, filtre Serrano α=0.2). 13 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
32
Interactions affichées
99
Connectance
0.200
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°

5,8°C

Annual rain

608mm

Moisture idx (CMI)

-0,15

Runoff

151mm/an

PET

720mm

AET

506mm

Mean slope

1,6°

Water table

186cm

Forest

5%

Crops

61%

Urban

1%

Protected

5%

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