Wetlands Reserve Program (WRP), Avoyelles, LA
IUCN VReserve Program · 1993
73 km²
Parish · USA
Avoyelles
United States
CfaTemperate, no dry season, hot summer(100 %)
Species observed
1 281
Observations
21 054
Area
2 236km²
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 Avoyelles : 23 espèces reliées par 73 interactions GloBI sur 3 types (connectance 13.0%, filtre Serrano α=0.2). 11 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).
Espèces affichées
34
Interactions affichées
73
Connectance
0.130
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
1 281 distinct species · 21 054 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Climate
Mean T°
19,4°C
Annual rain
1 486mm
Warmest m°
33,1°C
Coldest m°
5,9°C
Elevation: 15 m on average (min 4 m, max 32 m)
Bioclimatic details19 BIO + Köppen full + altitude statsExpert
Annual mean temp.
19,4°C
Annual rain
1 486mm
Warmest month
33,1°C
Coldest month
5,9°C
Mean alt.
15m
Min
4m
Max
32m
Std. dev.
4m
Köppen-Geiger (dominant)
CfaTemperate, no dry season, hot summer(100 %)Temperate
CHELSA BIO 1-19 v2.1 · ETOPO DEM 60s · Köppen-Geiger 1991-2020 (Beck et al. 2018)
Soil & lithology
pH H₂O
6,0
Org. C
22,7g/kg
Clay
34,0%
Sand
14,8%
Silt
51,2%
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
6,0
Org. C
45,5g/kg
Clay
33,2%
Sand
15,1%
Silt
51,7%
5–15 cm
pH H₂O
6,0
Org. C
14,6g/kg
Clay
33,9%
Sand
14,8%
Silt
51,2%
15–30 cm
pH H₂O
6,1
Org. C
8,2g/kg
Clay
34,8%
Sand
14,4%
Silt
50,8%
SoilGrids 250m (ISRIC, 2017) · GLiM v1.0 (Hartmann & Moosdorf 2012)
Land cover
Forest48.4%
Crops25.7%
Built-up0.4%
Bare soil0.9%
Other (grassland, water…)24.6%
Copernicus Global Land Cover 100m (Buchhorn et al. 2020)
Hydrology11 basins · 35 lakes · 30 rivers
Hydrology metrics for this exact territory
Stream length here
377,0km
Lake surface here
17,47km²
Basins crossed
11
Max stream order
7
Max drainage
239 195km²
Discharge in basins
2 270,6m³/s
Mean precip.
1 508mm/an
Mean T°
19,0°C
Moisture idx
0,05
Max snow
1%
Mean runoff
705mm/an
Mean elev. (basins)
19m
Watersheds crossing here
- Bassin de Atchafalaya Riversub-area1 611,4 km²overlap783.64 km²35%
- Bassin de Grand Bayousub-area1 885 km²overlap359.81 km²16%
- Bassin de Red Riversub-area815,1 km²overlap334.63 km²15%
- Bassin de Lac Longsub-area294,6 km²overlap288.79 km²13%
- Bassin de Red Riversub-area430,6 km²overlap168.29 km²8%
- Bassin de Big Creeksub-area583,2 km²overlap130.06 km²6%
- Bassin de Bayou Boeufsub-area930,2 km²overlap86.34 km²4%
- Bassin de Bayou Techesub-area2 204,7 km²overlap54.35 km²2%
- Bassin de Black Riversub-area32,5 km²overlap21.56 km²1%
2 more basinssorted by overlap
Lakes (35, top by area)
- Horseshoe Lake (historical)area8,8 km²avg depth3.4 m
- Lake #13784area1,6 km²avg depth2.8 m
- Lac aux Cygnesarea1,5 km²avg depth2.1 m
- Horseshoe Lakearea1,1 km²avg depth1.6 m
- Lac Sainte Agnesarea1 km²avg depth2.1 m
- Lac 1065095area0,9 km²avg depth2.7 m
- Lac 1065147area0,6 km²avg depth3.2 m
- Lac 1065096area0,6 km²avg depth2.8 m
- Lac 1065143area0,5 km²avg depth2.4 m
26 more lakes
- Lac 1065099area0,5 km²avg depth1.8 m
- Lac 1065138area0,4 km²avg depth3.3 m
- Lac 1065184area0,4 km²avg depth3.1 m
- Lac 1065162area0,4 km²avg depth2.8 m
- Lac 1065194area0,4 km²avg depth1.5 m
- Lac 1065130area0,4 km²avg depth4.0 m
- Lac 1065182area0,3 km²avg depth3.4 m
- Lac 1065131area0,3 km²avg depth1.6 m
- Lac 1065114area0,3 km²avg depth1.5 m
- Lac 1065185area0,3 km²avg depth2.3 m
- Lac 1065145area0,3 km²avg depth1.7 m
- Lac 1065150area0,3 km²avg depth3.1 m
- Lac 1065109area0,3 km²avg depth2.4 m
- Lac 1065151area0,2 km²avg depth2.0 m
- Lac 1065035area0,2 km²avg depth2.7 m
- Lac 1065119area0,2 km²avg depth1.7 m
- Lac 1065156area0,2 km²avg depth2.2 m
- Lac 1065148area0,2 km²avg depth1.7 m
- Lac 1065132area0,2 km²avg depth1.7 m
- Lac 1065056area0,2 km²avg depth2.9 m
- Lac 1065072area0,2 km²avg depth1.6 m
- Lac 1065075area0,2 km²avg depth2.5 m
- Lac 1065101area0,2 km²avg depth1.7 m
- Lac 1065239area0,2 km²avg depth1.9 m
- Lac 1065120area0,1 km²avg depth2.1 m
- Lac 1065100area0,1 km²avg depth1.7 m
Rivers / streams (30, ord ≥ 4)
- Red Riverord 7len here69.91 km3%total2600 km
- Lac Longord 2len here33.10 km100%total33 km
- Bayou Grande Ecoreord 4len here27.98 km100%total28 km
- Bayou Boeuford 4len here27.03 km23%total118 km
- Atchafalaya Riverord 4len here20.38 km11%total188 km
- Bayou Rougeord 3len here18.49 km50%total37 km
- Bayou du Lacord 4len here17.57 km100%total18 km
- Big Creekord 8len here16.19 km1%total1608 km
- Coulee des Gruesord 1len here13.65 km100%total14 km
- Bayou Choctaword 3len here12.62 km100%total13 km
- Bayou Waukshaord 2len here11.83 km20%total58 km
- Wiggins Bayouord 2len here10.79 km63%total17 km
18 more river segmentssorted by Strahler order + length
- Mill Bayouord 2len here9.98 km100%total10 km
- Bayou Huffpowerord 1len here9.15 km100%total9 km
- Bayou des Sotsord 2len here8.85 km100%total9 km
- Bayou Johnsonord 1len here8.35 km100%total8 km
- Bayou Choupiqueord 2len here7.67 km100%total8 km
- Bayou des Cyprièresord 4len here7.40 km100%total7 km
- Bayou Bruceord 1len here6.67 km100%total7 km
- Old Red Riverord 6len here5.85 km74%total8 km
- Spring Bayouord 2len here5.53 km100%total6 km
- Petit Bayou Rougeord 2len here4.79 km100%total5 km
- Bayou Prairieord 1len here4.52 km100%total5 km
- Bayou Petite Prairieord 3len here4.25 km12%total37 km
- Cow Creekord 6len here3.59 km1%total415 km
- Bayou DuBrocord 1len here2.93 km100%total3 km
- Little Bayou Friejonord 1len here2.92 km100%total3 km
- Harrisons Branchord 1len here2.74 km100%total3 km
- Bayou Jackord 2len here1.99 km24%total8 km
- Horsepen Creekord 3len here0.25 km0%total62 km
Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10
Human pressure
Pop. density
0hab/km²
Night light
0,7nW
Built-up
40,5%
Pesticides
33,4kg/km²
GHSL POP/Built 2020 · VIIRS lumière nocturne · PEST-CHEMGRIDS 2020 (Maggi et al.)
Protected areas11
IUCN V · 6IUCN Not Assigned · 3IUCN IV · 2
Lake Ophelia
IUCN IVNational Wildlife Refuge
73 km²
Wetlands Reserve Program (WRP), St. Landry, LA
IUCN VReserve Program · 1993
59 km²
Agricultural Conservation Easement Program - Wetlands Reserve Easement (ACEP-WRE)
IUCN Not AssignedConservation Easement · 2015
25 km²
Grand Cote
IUCN IVNational Wildlife Refuge · 1989
24 km²
Emergency Watershed Protection Program - Floodplain Easement (EWPP-FPE), Avoyelles, LA
IUCN VWatershed Protection · 2001
13 km²
Complete list11 protected areas
- Wetlands Reserve Program (WRP), Avoyelles, LAReserve ProgramIUCN V199373 km²
- Lake OpheliaNational Wildlife RefugeIUCN IV73 km²
- Wetlands Reserve Program (WRP), St. Landry, LAReserve ProgramIUCN V199359 km²
- Agricultural Conservation Easement Program - Wetlands Reserve Easement (ACEP-WRE)Conservation EasementIUCN Not Assigned201525 km²
- Grand CoteNational Wildlife RefugeIUCN IV198924 km²
- Emergency Watershed Protection Program - Floodplain Easement (EWPP-FPE), Avoyelles, LAWatershed ProtectionIUCN V200113 km²
- Agricultural Conservation Easement Program - Wetland Reserve Easements (ACEP-WRE), Avoyelles, LAConservation EasementIUCN V7 km²
- Us-La-108-12Conservation EasementIUCN Not Assigned20083 km²
- Us-La-108-3Conservation EasementIUCN Not Assigned20073 km²
- Farm Service Agency Interest Of LaConservation EasementIUCN V3 km²
- Wetlands Reserve Program (WRP), Avoyelles, LAReserve ProgramIUCN V20110 km²
WDPA (World Database on Protected Areas) — UNEP-WCMC & IUCN