Tensas River
IUCN IVNational Wildlife Refuge · 1980
316 km²
Parish · USA
Tensas
United States
CfaTemperate, no dry season, hot summer(100 %)
Species observed
564
Observations
10 919
Area
1 664,3km²
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 Tensas : 31 espèces reliées par 81 interactions GloBI sur 4 types (connectance 9.9%, filtre Serrano α=0.2). 10 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).
Espèces affichées
41
Interactions affichées
81
Connectance
0.099
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
564 distinct species · 10 919 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Climate
Mean T°
18,9°C
Annual rain
1 440mm
Warmest m°
33,2°C
Coldest m°
4,9°C
Elevation: 21 m on average (min 14 m, max 54 m)
Bioclimatic details19 BIO + Köppen full + altitude statsExpert
Annual mean temp.
18,9°C
Annual rain
1 440mm
Warmest month
33,2°C
Coldest month
4,9°C
Mean alt.
21m
Min
14m
Max
54m
Std. dev.
2m
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
5,9
Org. C
21,1g/kg
Clay
38,7%
Sand
13,5%
Silt
47,8%
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
5,9
Org. C
44,2g/kg
Clay
38,1%
Sand
13,7%
Silt
48,2%
5–15 cm
pH H₂O
5,9
Org. C
12,2g/kg
Clay
38,1%
Sand
13,7%
Silt
48,3%
15–30 cm
pH H₂O
5,9
Org. C
6,8g/kg
Clay
39,9%
Sand
13,2%
Silt
46,8%
SoilGrids 250m (ISRIC, 2017) · GLiM v1.0 (Hartmann & Moosdorf 2012)
Land cover
Forest44.0%
Crops35.2%
Built-up0.1%
Bare soil0.8%
Other (grassland, water…)19.9%
Copernicus Global Land Cover 100m (Buchhorn et al. 2020)
Hydrology8 basins · 21 lakes · 5 rivers
Hydrology metrics for this exact territory
Stream length here
195,4km
Lake surface here
29,33km²
Basins crossed
8
Max stream order
9
Max drainage
2 929 725km²
Discharge in basins
20 603,5m³/s
Mean precip.
1 426mm/an
Mean T°
18,4°C
Moisture idx
0,00
Mean runoff
702mm/an
Mean elev. (basins)
30m
Watersheds crossing here
- Bassin de Tensas Riversub-area2 152,1 km²overlap564.54 km²34%
- Bassin de Tensas Riversub-area445 km²overlap444.63 km²27%
- Bassin de Mississippi Riversub-area353,3 km²overlap289.28 km²17%
- Bassin de Mississippi Riversub-area2 249,2 km²overlap221.44 km²13%
- Bassin de Mississippi Riversub-area613,9 km²overlap95.35 km²6%
- Bassin de Tensas Riversub-area313,7 km²overlap40.03 km²2%
- Bassin de Tensas Riversub-area60,7 km²overlap7.46 km²0%
- Bassin de Bayou Pierresub-area197,3 km²overlap1.59 km²0%
Lakes (21, top by area)
- Lake Bruinarea10 km²avg depth3.8 m
- Yucatan Lakearea8,3 km²avg depth6.4 m
- Glade Bayouarea5,9 km²avg depth3.4 m
- Lake Saint Josepharea4,6 km²avg depth3.4 m
- Rodney Lakearea1,3 km²avg depth2.5 m
- Lac 1064525area0,8 km²avg depth3.5 m
- Lac 1064435area0,5 km²avg depth1.7 m
- Lac 1064593area0,5 km²avg depth2.4 m
- Lac 1064374area0,4 km²avg depth3.1 m
12 more lakes
- Lac 1064611area0,4 km²avg depth3.5 m
- Lac 1064518area0,4 km²avg depth2.5 m
- Lac 1064510area0,3 km²avg depth3.2 m
- Lac 1064687area0,3 km²avg depth2.2 m
- Lac 1064447area0,3 km²avg depth2.0 m
- Lac 1064696area0,2 km²avg depth3.0 m
- Lac 1064343area0,2 km²avg depth1.9 m
- Lac 1064551area0,2 km²avg depth1.8 m
- Lac 1064559area0,2 km²avg depth1.5 m
- Lac 1064691area0,2 km²avg depth1.7 m
- Lac 1064686area0,2 km²avg depth2.1 m
- Lac 1064671area0,2 km²avg depth1.3 m
Rivers / streams (5, ord ≥ 4)
Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10
Human pressure
Pop. density
0hab/km²
Night light
0,1nW
Built-up
10,1%
Pesticides
14,9kg/km²
GHSL POP/Built 2020 · VIIRS lumière nocturne · PEST-CHEMGRIDS 2020 (Maggi et al.)
Protected areas14
IUCN Not Assigned · 6IUCN V · 5IUCN IV · 2IUCN III · 1
Wetlands Reserve Program (WRP), Tensas, LA
IUCN VReserve Program · 1995
145 km²
Wetlands Reserve Program (WRP), Madison, LA
IUCN VReserve Program · 1993
142 km²
Us-Ms-92-7
IUCN Not AssignedConservation Easement · 2007
57 km²
Us-Ms-92-24
IUCN Not AssignedConservation Easement · 2011
25 km²
Wetlands Reserve Program (WRP), Jefferson, MS
IUCN VReserve Program · 1993
24 km²
Complete list14 protected areas
- Tensas RiverNational Wildlife RefugeIUCN IV1980316 km²
- Wetlands Reserve Program (WRP), Tensas, LAReserve ProgramIUCN V1995145 km²
- Wetlands Reserve Program (WRP), Madison, LAReserve ProgramIUCN V1993142 km²
- Us-Ms-92-7Conservation EasementIUCN Not Assigned200757 km²
- Us-Ms-92-24Conservation EasementIUCN Not Assigned201125 km²
- Wetlands Reserve Program (WRP), Jefferson, MSReserve ProgramIUCN V199324 km²
- Farm Service Agency Interest Of LaNational Wildlife RefugeIUCN IV13 km²
- Us-La-42-5Conservation EasementIUCN Not Assigned19996 km²
- Us-La-41-1Conservation EasementIUCN Not Assigned19995 km²
- Us-La-42-12Conservation EasementIUCN Not Assigned20024 km²
- Emergency Watershed Protection Program - Floodplain Easement (EWPP-FPE), Tensas, LAWatershed ProtectionIUCN V20103 km²
- Agricultural Conservation Easement Program - Wetland Reserve Easements (ACEP-WRE), Tensas, LAConservation EasementIUCN V1 km²
- Us-La-42-6Conservation EasementIUCN Not Assigned19990 km²
- Lake BruinState ParkIUCN III19560 km²
WDPA (World Database on Protected Areas) — UNEP-WCMC & IUCN