Wetland of International Importance (Ramsar Site) · ben
Basse Vallée du Couffo, Lagune Côtiere, Chenal Aho, Lac Ahémé
- Area
- 5 245 km²
- IUCN cat.
- V
- Year
- 2000
Overview
- Designation
- Wetland of International Importance (Ramsar Site)
- IUCN category
- V · Paysage protégé
Paysage façonné par l'humain digne de conservation
- Established
- 2000
- Managing authority
- Full information available from the Ramsar Sites Information Service (RSIS) website - https://rsis.ramsar.org/ris/1017
Source : WDPA (UNEP-WCMC, World Database on Protected Areas).
Species present
2 996 distinct species · 73 808 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 42 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).
Indicateurs du tissu écologique
Tissu écologique de Basse Vallée du Couffo, Lagune Côtiere, Chenal Aho, Lac Ahémé : 40 espèces dont 3 patrimoniales (LR IUCN CR/EN/VU) reliées par 31 interactions GloBI sur 4 types (connectance 3.6%, filtre Serrano α=0.2). 2 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).
Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).
Hydrology16 basins · 19 lakes · 15 rivers
Hydrology metrics for this exact territory
Stream length here
485,3km
Lake surface here
102,09km²
Basins crossed
16
Max stream order
5
Max drainage
24 089km²
Discharge in basins
239,1m³/s
Mean precip.
1 024mm/an
Mean T°
27,3°C
Moisture idx
-0,39
Mean runoff
246mm/an
Mean elev. (basins)
85m
Watersheds crossing here
- Bassin de Couffosub-area3 663,6 km²overlap2550.42 km²49%
- Bassin de Sazuésub-area921,7 km²overlap917.75 km²17%
- Bassin de Sazuésub-area556,1 km²overlap553.68 km²11%
- Bassin de Monosub-area1 121,9 km²overlap351.21 km²7%
- Bassin de Monosub-area606,7 km²overlap265.13 km²5%
- Bassin de Monosub-area350,4 km²overlap146.61 km²3%
- Basin #23070sub-area205,9 km²overlap83.80 km²2%
- Bassin de Monosub-area442 km²overlap65.86 km²1%
- Bassin de Monosub-area55,6 km²overlap55.36 km²1%
7 more basinssorted by overlap
- Bassin de Lagune de Gbagansub-area230,7 km²overlap29.17 km²1%
- Basin #23060sub-area40,4 km²overlap26.08 km²0%
- Basin #23080sub-area18,1 km²overlap18.02 km²0%
- Bassin de Sôsub-area2 064 km²overlap7.84 km²0%
- Bassin de Djonousub-area1 149,6 km²overlap6.03 km²0%
- Bassin de Monosub-area1,3 km²overlap1.27 km²0%
- Bassin de Lagune de Gbagansub-area58,5 km²overlap0.49 km²0%
Lakes (19, top by area)
- Lac Ahéméarea82,6 km²avg depth6.6 m
- Lac Tohoarea7,7 km²avg depth2.2 m
- Lagune Togbadjiarea2,5 km²avg depth2.3 m
- Lake #80374area1,6 km²avg depth1.1 m
- Lac Wozoarea1,5 km²avg depth2.6 m
- Lake #80375area1 km²avg depth1.0 m
- Lac 1405599area0,9 km²avg depth2.3 m
- Lac 1405494area0,8 km²avg depth4.0 m
- Lac 1405410area0,7 km²avg depth1.3 m
10 more lakes
- Lac 1405592area0,6 km²avg depth1.5 m
- Lac 1405605area0,6 km²avg depth1.6 m
- Lac 1405610area0,3 km²avg depth2.1 m
- Lac 1405600area0,3 km²avg depth1.5 m
- Lac 1405618area0,3 km²avg depth1.5 m
- Lac 1405608area0,3 km²avg depth1.4 m
- Lac 1405593area0,3 km²avg depth1.7 m
- Lac 1405523area0,2 km²avg depth3.3 m
- Lac 1405333area0,2 km²avg depth2.2 m
- Lac 1405604area0,1 km²avg depth0.9 m
Rivers / streams (15, ord ≥ 4)
- Couffoord 4len here238.98 km92%total260 km
- Monoord 5len here119.42 km15%total784 km
- Sazuéord 3len here55.14 km100%total55 km
- Ahoord 4len here23.51 km94%total25 km
- Toklotoord 1len here11.98 km100%total12 km
- Chenal de Mahémèord 1len here8.43 km100%total8 km
- Démlinord 2len here6.29 km100%total6 km
- Donmèord 4len here5.83 km100%total6 km
- Lagune de Gbaganord 2len here4.72 km22%total22 km
- Dougoffiord 2len here3.53 km100%total4 km
- Yanfandomèord 4len here2.23 km100%total2 km
- Gbonouèmèord 4len here2.23 km100%total2 km
3 more river segmentssorted by Strahler order + length
Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10
Location
Fond cartographique : OpenFreeMap · © OpenStreetMap contributors · Géométrie : nos sources (GADM/HydroBASINS/HydroLAKES/HydroRIVERS/WDPA)
- Centroid
- 6.88162, 1.88242
- Open in maps
- OpenStreetMap → · Satellite →
Species observed (Phase 2)
Listing species observed within this protected area requires the GBIF v2 partition × WDPA spatial overlay matview. Computing infrastructure pending.