Ontologia

HydroBASINS lev08 watershed · #2080330150

Bassin de Wierzyca

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 6 administrative regions : Chojnice, Gdańsk, Kartuzy, Kościerzyna, Starogard +1

17% lakePfafstetter: 24241024

Sub-basin area

1 166km²

Upstream area

1 166km²

Discharge

11,04m³/s

Mean elev.

148m

Administrative coverage

Hydrographic chain

▼ Drains into

Bassin de Wierzyca72 km²

▲ Receives from 0 basins

Source / headwater (no upstream basin)

6 dept-equivalent regions (GADM L2)

30 intersecting protected areas

  • Bory Tucholskie

    IUCN Not Reported

    Special Protection Area (Birds Directive)

    144.85 km² overlap

  • Borów Tucholskich

    IUCN Not Assigned

    Protected Landscape Area

    117.19 km² overlap

  • Doliny Wierzycy

    IUCN Not Assigned

    Protected Landscape Area

    99.04 km² overlap

  • Dolina Wierzycy

    IUCN Not Reported

    Site of Community Importance (Habitats Directive)

    46.25 km² overlap

  • Przywidzki

    IUCN Not Assigned

    Protected Landscape Area

    37.76 km² overlap

  • Doliny Wietcisy

    IUCN Not Assigned

    Protected Landscape Area

    33.23 km² overlap

  • Polaszkowski

    IUCN Not Assigned

    Protected Landscape Area

    24.21 km² overlap

  • Jeziora Wdzydzkie

    IUCN Not Reported

    Site of Community Importance (Habitats Directive)

    12.30 km² overlap

  • Wdzydzki Park Krajobrazowy

    IUCN V

    Landscape Park

    10.95 km² overlap

21 more protected areas

  • Szumleś

    IUCN Not Reported

    Site of Community Importance (Habitats Directive)

    9.78 km² overlap

  • Kaszubski Park Krajobrazowy

    IUCN V

    Landscape Park

    9.48 km² overlap

  • Lubieszynek

    IUCN Not Reported

    Site of Community Importance (Habitats Directive)

    6.72 km² overlap

  • Zielenina

    IUCN Not Reported

    Site of Community Importance (Habitats Directive)

    6.45 km² overlap

  • Dąbrówka

    IUCN Not Reported

    Site of Community Importance (Habitats Directive)

    5.05 km² overlap

  • Uroczyska Pojezierza Kaszubskiego

    IUCN Not Reported

    Site of Community Importance (Habitats Directive)

    4.92 km² overlap

  • Piotrowo

    IUCN Not Reported

    Site of Community Importance (Habitats Directive)

    4.84 km² overlap

  • Dolina Środkowej Wietcisy

    IUCN Not Reported

    Site of Community Importance (Habitats Directive)

    4.31 km² overlap

  • Jezioro Krąg

    IUCN Not Reported

    Special Areas of Conservation (Habitats Directive)

    4.25 km² overlap

  • Stary Bukowiec

    IUCN Not Reported

    Site of Community Importance (Habitats Directive)

    3.09 km² overlap

  • Wielki Klincz

    IUCN Not Reported

    Site of Community Importance (Habitats Directive)

    2.89 km² overlap

  • Grądy nad Jeziorami Zduńskim i Szpęgawskim

    IUCN Not Reported

    Site of Community Importance (Habitats Directive)

    2.37 km² overlap

  • Szczodrowo

    IUCN Not Reported

    Special Areas of Conservation (Habitats Directive)

    2.24 km² overlap

  • Przywidz

    IUCN Not Reported

    Site of Community Importance (Habitats Directive)

    1.52 km² overlap

  • Guzy

    IUCN Not Reported

    Site of Community Importance (Habitats Directive)

    1.15 km² overlap

  • Nowa Sikorska Huta

    IUCN Not Reported

    Site of Community Importance (Habitats Directive)

    0.97 km² overlap

  • Jeziorka

    IUCN Not Assigned

    Nature Reserve

    0.75 km² overlap

  • Północny - Część Wschodnia

    IUCN Not Assigned

    Protected Landscape Area

    0.58 km² overlap

  • Brzęczek

    IUCN IV

    Nature Reserve

    0.26 km² overlap

  • Leniec nad Wierzycą

    IUCN Not Reported

    Special Areas of Conservation (Habitats Directive)

    0.25 km² overlap

  • Wilcze Błota

    IUCN Not Reported

    Site of Community Importance (Habitats Directive)

    0.09 km² overlap

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

Species present

3 518 distinct species · 45 220 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

45 220 obs · 38 cellules
Obs. / cellule
≥ 30 855
855–30 854
409–854
261–408
< 261

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

Ecological tissue

Sample of 41 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 Wierzyca : 29 espèces reliées par 84 interactions GloBI sur 5 types (connectance 9.3%, filtre Serrano α=0.2). 14 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
43
Interactions affichées
84
Connectance
0.093
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°

6,3°C

Annual rain

592mm

Moisture idx (CMI)

-0,04

Runoff

283mm/an

PET

619mm

AET

471mm

Mean slope

1,5°

Water table

130cm

Forest

24%

Crops

55%

Urban

4%

Protected

7%

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