Agricultural Conservation Easement Program - Wetland Reserve Easements (ACEP-WRE), Merrick, NE
IUCN VConservation Easement · 2001
12 km²
County · USA
Merrick
United States
DfaCold, no dry season, hot summer(100 %)
Species observed
622
Observations
14 309
Area
1 280,1km²
Ecological tissue
Sample of 34 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 Merrick : 26 espèces reliées par 75 interactions GloBI sur 4 types (connectance 12.6%, filtre Serrano α=0.2). 9 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).
Espèces affichées
35
Interactions affichées
75
Connectance
0.126
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
622 distinct species · 14 309 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Climate
Mean T°
10,3°C
Annual rain
740mm
Warmest m°
30,4°C
Coldest m°
-8,2°C
Elevation: 520 m on average (min 463 m, max 601 m)
Bioclimatic details19 BIO + Köppen full + altitude statsExpert
Annual mean temp.
10,3°C
Annual rain
740mm
Warmest month
30,4°C
Coldest month
-8,2°C
Mean alt.
520m
Min
463m
Max
601m
Std. dev.
24m
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
6,5
Org. C
21,6g/kg
Clay
22,0%
Sand
44,3%
Silt
33,7%
Average over 0-30 cm. Per-depth details in expert panel.
Dominant lithology: ssGLiM
3 soil depths detailed0-5cm / 5-15cm / 15-30cm × 5 propsExpert
0–5 cm
pH H₂O
6,4
Org. C
29,8g/kg
Clay
21,6%
Sand
44,4%
Silt
34,0%
5–15 cm
pH H₂O
6,5
Org. C
19,1g/kg
Clay
22,0%
Sand
44,3%
Silt
33,8%
15–30 cm
pH H₂O
6,6
Org. C
16,0g/kg
Clay
22,6%
Sand
44,1%
Silt
33,3%
SoilGrids 250m (ISRIC, 2017) · GLiM v1.0 (Hartmann & Moosdorf 2012)
Land cover
Forest5.0%
Crops71.4%
Built-up0.2%
Bare soil0.8%
Other (grassland, water…)22.6%
Copernicus Global Land Cover 100m (Buchhorn et al. 2020)
Hydrology9 basins · 4 lakes · 11 rivers
Hydrology metrics for this exact territory
Stream length here
270,4km
Lake surface here
0,66km²
Basins crossed
9
Max stream order
7
Max drainage
155 246km²
Discharge in basins
106,6m³/s
Mean precip.
664mm/an
Mean T°
9,9°C
Moisture idx
-0,40
Max snow
11%
Mean runoff
124mm/an
Mean elev. (basins)
548m
Watersheds crossing here
- Bassin de Platte Riversub-area951,5 km²overlap652.23 km²51%
- Bassin de Prairie Creeksub-area1 533,4 km²overlap405.13 km²32%
- Bassin de Spring Creeksub-area1 223,3 km²overlap134.63 km²11%
- Bassin de Wood Riversub-area1 705,4 km²overlap44.50 km²3%
- Bassin de South Channel Platte Riversub-area400 km²overlap29.88 km²2%
- Bassin de Loup Riversub-area324,9 km²overlap5.26 km²0%
- Bassin de Loup Canalsub-area144,9 km²overlap4.53 km²0%
- Bassin de Loup Riversub-area21,7 km²overlap3.19 km²0%
- Bassin de Clear Creeksub-area409,3 km²overlap0.76 km²0%
Lakes (4, top by area)
Rivers / streams (11, ord ≥ 4)
- Platte Riverord 7len here83.68 km7%total1167 km
- Prairie Creekord 5len here68.72 km9%total759 km
- Silver Creekord 5len here44.36 km5%total954 km
- Prairie Sloughord 2len here24.43 km81%total30 km
- Warm Sloughord 1len here16.23 km100%total16 km
- Wood Riverord 3len here14.57 km7%total205 km
- Loup Riverord 7len here11.53 km9%total133 km
- Moores Creekord 2len here5.67 km16%total36 km
- Spring Creekord 5len here0.77 km0%total2668 km
- South Channel Platte Riverord 7len here0.40 km0%total109 km
- Clear Creekord 6len here≈ tangenttotal1466 km
Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10
Human pressure
Pop. density
0hab/km²
Night light
0,3nW
Built-up
19,8%
Pesticides
10,1kg/km²
GHSL POP/Built 2020 · VIIRS lumière nocturne · PEST-CHEMGRIDS 2020 (Maggi et al.)
Protected areas8
IUCN V · 4IUCN Not Assigned · 4
Bruce Cowgill
IUCN VWildlife Management Area · 1994
1 km²
Agricultural Conservation Easement Program - Wetland Reserve Easements (ACEP-WRE), Merrick, NE
IUCN VConservation Easement
1 km²
Nebraska Land Trust #24
IUCN Not AssignedConservation Easement · 2013
0 km²
Central Platte North Natural Resource District Easement # 230-138W4-78832
IUCN Not AssignedEasement · 2010
0 km²
Lone Tree
IUCN VWildlife Management Area · 1971
0 km²
Complete list8 protected areas
- Agricultural Conservation Easement Program - Wetland Reserve Easements (ACEP-WRE), Merrick, NEConservation EasementIUCN V200112 km²
- Bruce CowgillWildlife Management AreaIUCN V19941 km²
- Agricultural Conservation Easement Program - Wetland Reserve Easements (ACEP-WRE), Merrick, NEConservation EasementIUCN V1 km²
- Nebraska Land Trust #24Conservation EasementIUCN Not Assigned20130 km²
- Central Platte North Natural Resource District Easement # 230-138W4-78832EasementIUCN Not Assigned20100 km²
- Lone TreeWildlife Management AreaIUCN V19710 km²
- Central Platte North Natural Resource District Easement # 230-148W3378834EasementIUCN Not Assigned20100 km²
- Central Platte North Natural Resource District Easement # 230-148W3378833EasementIUCN Not Assigned20100 km²
WDPA (World Database on Protected Areas) — UNEP-WCMC & IUCN