Martin County
IUCN VWaterfowl Production Area
405 km²
County · USA
Freeborn
United States
DfaCold, no dry season, hot summer(100 %)
Species observed
1 313
Observations
66 968
Area
1 858,6km²
Ecological tissue
Sample of 38 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 Freeborn : 31 espèces reliées par 74 interactions GloBI sur 3 types (connectance 10.5%, filtre Serrano α=0.2). 7 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).
Espèces affichées
38
Interactions affichées
74
Connectance
0.105
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
1 313 distinct species · 66 968 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Climate
Mean T°
7,5°C
Annual rain
895mm
Warmest m°
27,0°C
Coldest m°
-13,1°C
Elevation: 380 m on average (min 347 m, max 407 m)
Bioclimatic details19 BIO + Köppen full + altitude statsExpert
Annual mean temp.
7,5°C
Annual rain
895mm
Warmest month
27,0°C
Coldest month
-13,1°C
Mean alt.
380m
Min
347m
Max
407m
Std. dev.
9m
Köppen-Geiger (dominant)
DfaCold, no dry season, hot summer(100 %)Cold
CHELSA BIO 1-19 v2.1 · ETOPO DEM 60s · Köppen-Geiger 1991-2020 (Beck et al. 2018)
Soil & lithology
pH H₂O
6,4
Org. C
32,3g/kg
Clay
30,5%
Sand
23,9%
Silt
45,6%
Average over 0-30 cm. Per-depth details in expert panel.
Dominant lithology: scGLiM
3 soil depths detailed0-5cm / 5-15cm / 15-30cm × 5 propsExpert
0–5 cm
pH H₂O
6,5
Org. C
43,6g/kg
Clay
30,5%
Sand
24,1%
Silt
45,4%
5–15 cm
pH H₂O
6,5
Org. C
32,7g/kg
Clay
30,2%
Sand
24,0%
Silt
45,8%
15–30 cm
pH H₂O
6,4
Org. C
20,5g/kg
Clay
30,6%
Sand
23,7%
Silt
45,7%
SoilGrids 250m (ISRIC, 2017) · GLiM v1.0 (Hartmann & Moosdorf 2012)
Land cover
Forest9.4%
Crops73.6%
Built-up0.4%
Bare soil0.4%
Other (grassland, water…)16.2%
Copernicus Global Land Cover 100m (Buchhorn et al. 2020)
Hydrology12 basins · 27 lakes · 17 rivers
Hydrology metrics for this exact territory
Stream length here
218,2km
Lake surface here
44,44km²
Basins crossed
12
Max stream order
4
Max drainage
3 794km²
Discharge in basins
19,2m³/s
Mean precip.
799mm/an
Mean T°
6,9°C
Moisture idx
-0,14
Max snow
22%
Mean runoff
281mm/an
Mean elev. (basins)
367m
Watersheds crossing here
- Bassin de Shell Rock Riversub-area1 368,6 km²overlap628.47 km²34%
- Bassin de Turtle Creeksub-area399,6 km²overlap375.82 km²20%
- Bassin de Cobb Riversub-area782,8 km²overlap165.83 km²9%
- Bassin de Winnebago Riversub-area1 685,4 km²overlap161.76 km²9%
- Bassin de Cedar Riversub-area707,7 km²overlap139.10 km²7%
- Bassin de East Branch Blue Earth Riversub-area330,3 km²overlap119.50 km²6%
- Bassin de Cedar Riversub-area286,2 km²overlap73.19 km²4%
- Bassin du Sueur Riversub-area205,4 km²overlap66.44 km²4%
- Bassin de Boot Creeksub-area155,6 km²overlap66.09 km²4%
Lakes (27, top by area)
- Albert Lea Lakearea10,3 km²avg depth1.9 m
- Freeborn Lakearea7,8 km²avg depth3.6 m
- Geneva Lakearea7,3 km²avg depth2.9 m
- Bear Lakearea5,5 km²avg depth3.4 m
- Pickerel Lakearea2,1 km²avg depth3.2 m
- State Line Lakearea1,7 km²avg depth2.7 m
- Upper Twin Lakearea1,6 km²avg depth1.7 m
- Fountain Lakearea1,5 km²avg depth3.6 m
- Lower Twin Lakearea1,3 km²avg depth2.0 m
18 more lakes
- Lac 1047983area0,7 km²avg depth4.7 m
- Lac 1047963area0,6 km²avg depth3.4 m
- Lac 1047465area0,5 km²avg depth3.2 m
- Lac 1047602area0,5 km²avg depth2.0 m
- Lac 1047975area0,4 km²avg depth2.5 m
- Lac 1047901area0,4 km²avg depth3.6 m
- Lac 1047560area0,3 km²avg depth2.0 m
- Lac 1047936area0,3 km²avg depth3.7 m
- Lac 1047807area0,3 km²avg depth2.9 m
- Lac 1047579area0,3 km²avg depth2.1 m
- Lac 1047910area0,3 km²avg depth3.4 m
- Lac 1047711area0,2 km²avg depth2.2 m
- Lac 1048097area0,2 km²avg depth2.7 m
- Lac 1048291area0,2 km²avg depth2.0 m
- Lac 1048152area0,2 km²avg depth2.2 m
- Lac 1047993area0,1 km²avg depth3.0 m
- Lac 1048085area0,1 km²avg depth2.2 m
- Lac 1048033area0,1 km²avg depth2.3 m
Rivers / streams (17, ord ≥ 4)
- Shell Rock Riverord 5len here33.04 km11%total288 km
- Winnebago Riverord 4len here27.58 km15%total188 km
- Turtle Creekord 6len here26.87 km6%total467 km
- Goose Creekord 5len here21.85 km3%total664 km
- Wedge Creekord 2len here21.13 km100%total21 km
- Cobb Riverord 3len here18.41 km18%total102 km
- Peter Lund Creekord 2len here11.31 km100%total11 km
- Cobb Creekord 2len here10.68 km9%total125 km
- Foster Creekord 6len here8.80 km9%total98 km
- Le Sueur Riverord 6len here8.42 km6%total141 km
- Boot Creekord 2len here8.16 km26%total31 km
- East Branch Blue Earth Riverord 3len here6.97 km9%total82 km
Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10
Human pressure
Pop. density
0hab/km²
Night light
0,6nW
Built-up
36,1%
Pesticides
22,2kg/km²
GHSL POP/Built 2020 · VIIRS lumière nocturne · PEST-CHEMGRIDS 2020 (Maggi et al.)
Protected areas34
IUCN V · 28IUCN Not Assigned · 4IUCN IV · 1IUCN VI · 1
Reinvest in Minnesota Reserve Partnership
IUCN VEasement · 1987
99 km²
Farm Service Agency Interest Of Mn
IUCN IVNational Wildlife Refuge
97 km²
Big Stone County
IUCN VWaterfowl Production Area · 1987
66 km²
Reinvest in Minnesota Wetlands
IUCN VReserve Program
54 km²
Pope County
IUCN VWaterfowl Production Area
41 km²
Complete list34 protected areas
- Martin CountyWaterfowl Production AreaIUCN V405 km²
- Reinvest in Minnesota Reserve PartnershipEasementIUCN V198799 km²
- Farm Service Agency Interest Of MnNational Wildlife RefugeIUCN IV97 km²
- Big Stone CountyWaterfowl Production AreaIUCN V198766 km²
- Reinvest in Minnesota WetlandsReserve ProgramIUCN V54 km²
- Pope CountyWaterfowl Production AreaIUCN V41 km²
- PermanentWetland PreserveIUCN V24 km²
- PermanentWetland PreserveIUCN V22 km²
- Wetlands Reserve Program (WRP)Reserve ProgramIUCN Not Assigned200021 km²
- Wetlands Reserve Program (WRP)Reserve ProgramIUCN Not Assigned199317 km²
- Conservation Reserve Enhancement Program IEasementIUCN V199912 km²
- Freeborn CountyWaterfowl Production AreaIUCN VI10 km²
- Reinvest in Minnesota WetlandsReserve ProgramIUCN V19928 km²
- Wetlands Reserve Program (WRP), Freeborn, MNReserve ProgramIUCN V19955 km²
- Panicum PrairieState Wildlife Management AreaIUCN V4 km²
- Reinvest in Minnesota WetlandsReserve ProgramIUCN V19904 km²
- Conservation Reserve Enhancement Program IIEasementIUCN V20063 km²
- Wo WacintankaState Wildlife Management AreaIUCN V2 km²
- CarexState Wildlife Management AreaIUCN V1 km²
- Emergency Watershed Protection Program - Floodplain Easement (EWPP-FPE), Freeborn, MNWatershed ProtectionIUCN V20011 km²
- Wetlands Reserve Program (WRP), Freeborn, MNReserve ProgramIUCN V20061 km²
- Us-Mn-275-2Conservation EasementIUCN Not Assigned20051 km²
- Halls LakeState Wildlife Management AreaIUCN V1 km²
- Wetlands Reserve Program (WRP), Freeborn, MNReserve ProgramIUCN V1 km²
- Ann & Leo DonahueState Wildlife Management AreaIUCN V0 km²
- MagaksicaState Wildlife Management AreaIUCN V0 km²
- ManchesterState Wildlife Management AreaIUCN V0 km²
- GenevaState Wildlife Management AreaIUCN V0 km²
- Freeborn CountyWaterfowl Production AreaIUCN V0 km²
- BearState Wildlife Management AreaIUCN V0 km²
- Shell RockState Wildlife Management AreaIUCN V0 km²
- Us-Mn-275-13Conservation EasementIUCN Not Assigned20070 km²
- P.N. And G.M. Nelson Wildlife Sanctuary FeeWildlife SanctuaryIUCN V19730 km²
- Upper Twin LakeState Wildlife Management AreaIUCN V0 km²
WDPA (World Database on Protected Areas) — UNEP-WCMC & IUCN