Pierce County
IUCN VWaterfowl Production Area
214 km²
County · USA
Towner
United States
DfbCold, no dry season, warm summer(100 %)
Species observed
469
Observations
9 553
Area
2 704km²
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 Towner : 21 espèces reliées par 74 interactions GloBI sur 4 types (connectance 15.9%, filtre Serrano α=0.2). 10 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).
Espèces affichées
31
Interactions affichées
74
Connectance
0.159
Patrimoniales
0
Plus dense que (national)0 %(top 100%)
Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).
Species present
469 distinct species · 9 553 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Climate
Mean T°
3,4°C
Annual rain
497mm
Warmest m°
25,1°C
Coldest m°
-18,4°C
Elevation: 475 m on average (min 440 m, max 540 m)
Bioclimatic details19 BIO + Köppen full + altitude statsExpert
Annual mean temp.
3,4°C
Annual rain
497mm
Warmest month
25,1°C
Coldest month
-18,4°C
Mean alt.
475m
Min
440m
Max
540m
Std. dev.
23m
Köppen-Geiger (dominant)
DfbCold, no dry season, warm summer(100 %)Cold
CHELSA BIO 1-19 v2.1 · ETOPO DEM 60s · Köppen-Geiger 1991-2020 (Beck et al. 2018)
Soil & lithology
pH H₂O
7,3
Org. C
39,5g/kg
Clay
29,1%
Sand
31,8%
Silt
39,2%
Average over 0-30 cm. Per-depth details in expert panel.
Dominant lithology: suGLiM
3 soil depths detailed0-5cm / 5-15cm / 15-30cm × 5 propsExpert
0–5 cm
pH H₂O
7,1
Org. C
63,4g/kg
Clay
28,4%
Sand
31,6%
Silt
40,0%
5–15 cm
pH H₂O
7,2
Org. C
34,6g/kg
Clay
28,9%
Sand
32,1%
Silt
39,0%
15–30 cm
pH H₂O
7,4
Org. C
20,4g/kg
Clay
29,9%
Sand
31,6%
Silt
38,6%
SoilGrids 250m (ISRIC, 2017) · GLiM v1.0 (Hartmann & Moosdorf 2012)
Land cover
Forest2.3%
Crops74.8%
Built-up0.0%
Bare soil1.7%
Other (grassland, water…)21.1%
Copernicus Global Land Cover 100m (Buchhorn et al. 2020)
Hydrology7 basins · 45 lakes · 2 rivers
Hydrology metrics for this exact territory
Stream length here
93,0km
Lake surface here
17,55km²
Basins crossed
7
Max stream order
4
Max drainage
2 593km²
Discharge in basins
2,7m³/s
Mean precip.
441mm/an
Mean T°
3,1°C
Moisture idx
-0,47
Max snow
34%
Mean runoff
31mm/an
Mean elev. (basins)
483m
Watersheds crossing here
- Bassin de Mauvais Couleesub-area1 151,1 km²overlap916.28 km²34%
- Bassin de Gimby Creeksub-area1 830,3 km²overlap872.18 km²32%
- Basin #21760sub-area876,5 km²overlap652.31 km²24%
- Bassin de Big Couleesub-area565,9 km²overlap188.39 km²7%
- Bassin de Cypress Creeksub-area625,8 km²overlap41.14 km²2%
- Basin #27480sub-area778,1 km²overlap18.57 km²1%
- Basin #25190sub-area288,4 km²overlap15.16 km²1%
Lakes (45, top by area)
- Hurricane Lakearea7,2 km²avg depth2.5 m
- Rock Lakearea1,9 km²avg depth1.4 m
- Lake #02583area1,1 km²avg depth1.1 m
- Lac 990207area1 km²avg depth2.6 m
- Lac 990321area0,9 km²avg depth2.3 m
- Lac 989726area0,9 km²avg depth3.2 m
- Lac 985880area0,5 km²avg depth1.6 m
- Lac 987135area0,5 km²avg depth1.6 m
- Lac 984167area0,5 km²avg depth2.1 m
36 more lakes
- Lac 993122area0,4 km²avg depth1.5 m
- Lac 987276area0,4 km²avg depth2.8 m
- Lac 986883area0,4 km²avg depth1.5 m
- Lac 993414area0,4 km²avg depth1.7 m
- Lac 986471area0,4 km²avg depth2.0 m
- Lac 991451area0,4 km²avg depth1.8 m
- Lac 986313area0,4 km²avg depth2.0 m
- Lac 985182area0,3 km²avg depth2.0 m
- Lac 990802area0,3 km²avg depth1.8 m
- Lac 991181area0,3 km²avg depth1.6 m
- Lac 986346area0,3 km²avg depth1.7 m
- Lac 992719area0,3 km²avg depth1.6 m
- Lac 992223area0,3 km²avg depth1.6 m
- Lac 992326area0,3 km²avg depth1.4 m
- Lac 984759area0,3 km²avg depth1.8 m
- Lac 983938area0,3 km²avg depth2.1 m
- Lac 988952area0,3 km²avg depth2.1 m
- Lac 991281area0,2 km²avg depth1.8 m
- Lac 985835area0,2 km²avg depth3.0 m
- Lac 993241area0,2 km²avg depth0.9 m
- Lac 990861area0,2 km²avg depth1.6 m
- Lac 990467area0,2 km²avg depth1.6 m
- Lac 988673area0,2 km²avg depth1.4 m
- Lac 990605area0,2 km²avg depth1.4 m
- Lac 989990area0,2 km²avg depth1.5 m
- Lac 984296area0,2 km²avg depth2.1 m
- Lac 991452area0,2 km²avg depth1.5 m
- Lac 991887area0,2 km²avg depth1.1 m
- Lac 988330area0,2 km²avg depth2.2 m
- Lac 993927area0,2 km²avg depth1.5 m
- Lac 990735area0,2 km²avg depth1.2 m
- Lac 991291area0,1 km²avg depth1.4 m
- Lac 991681area0,1 km²avg depth1.4 m
- Lac 990849area0,1 km²avg depth0.9 m
- Lac 991863area0,1 km²avg depth0.9 m
- Lac 993021area0,1 km²avg depth1.2 m
Rivers / streams (2, ord ≥ 4)
Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10
Human pressure
Pop. density
0hab/km²
Night light
0,0nW
Built-up
3,9%
Pesticides
28,5kg/km²
GHSL POP/Built 2020 · VIIRS lumière nocturne · PEST-CHEMGRIDS 2020 (Maggi et al.)
Protected areas17
IUCN V · 10IUCN Not Assigned · 4IUCN IV · 2IUCN VI · 1
Lake Alice
IUCN IVNational Wildlife Refuge
50 km²
Wetlands Reserve Program (WRP), Benson, ND
IUCN VReserve Program · 2002
43 km²
Towner County
IUCN VIWaterfowl Production Area
36 km²
Wetlands Reserve Program (WRP), Towner, ND
IUCN VReserve Program · 1998
28 km²
Wetlands Reserve Program (WRP)
IUCN Not AssignedReserve Program · 1996
25 km²
Complete list17 protected areas
- Pierce CountyWaterfowl Production AreaIUCN V214 km²
- Lake AliceNational Wildlife RefugeIUCN IV50 km²
- Wetlands Reserve Program (WRP), Benson, NDReserve ProgramIUCN V200243 km²
- Towner CountyWaterfowl Production AreaIUCN VI36 km²
- Wetlands Reserve Program (WRP), Towner, NDReserve ProgramIUCN V199828 km²
- Wetlands Reserve Program (WRP)Reserve ProgramIUCN Not Assigned199625 km²
- Rock LakeNational Wildlife RefugeIUCN V22 km²
- Towner CountyWaterfowl Production AreaIUCN V18 km²
- Agricultural Conservation Easement Program - Wetlands Reserve Easement (ACEP-WRE)Conservation EasementIUCN Not Assigned201511 km²
- Wetlands Reserve Program (WRP), Pierce, NDReserve ProgramIUCN V20048 km²
- BrumbaNational Wildlife RefugeIUCN V8 km²
- Towner CountyWaterfowl Production AreaIUCN IV5 km²
- Agricultural Conservation Easement Program - Wetlands Reserve Easement (ACEP-WRE)Conservation EasementIUCN Not Assigned20164 km²
- Agricultural Conservation Easement Program - Wetland Reserve Easements (ACEP-WRE), Towner, NDConservation EasementIUCN V2 km²
- C.c. UnderwoodState Wildlife Management AreaIUCN V1 km²
- ArmourdaleLakeIUCN V0 km²
- US-ND-506-1MitigationIUCN Not Assigned20140 km²
WDPA (World Database on Protected Areas) — UNEP-WCMC & IUCN