Littoral atlantique
IUCN Not ApplicablePermanent Hunting Reserve · 2021
705 km²
Region · mar
Gharb - Chrarda - Béni Hssen
Morocco
CsaTemperate, dry summer, hot summer(100 %)
Species observed
1 769
Observations
58 792
Area
8 759,2km²
Ecological tissue
Sample of 30 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 Gharb - Chrarda - Béni Hssen : 23 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 52 interactions GloBI sur 3 types (connectance 12.0%, filtre Serrano α=0.2). 7 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).
Espèces affichées
30
Interactions affichées
52
Connectance
0.119
Patrimoniales
1
Plus dense que (national)0 %(top 100%)
Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).
Species present
1 769 distinct species · 58 792 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Climate
Mean T°
18,6°C
Annual rain
562mm
Warmest m°
31,9°C
Coldest m°
7,2°C
Elevation: 83 m on average (min -19 m, max 662 m)
Bioclimatic details19 BIO + Köppen full + altitude statsExpert
Annual mean temp.
18,6°C
Annual rain
562mm
Warmest month
31,9°C
Coldest month
7,2°C
Mean alt.
83m
Min
-19m
Max
662m
Std. dev.
92m
Köppen-Geiger (dominant)
CsaTemperate, dry summer, 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
7,2
Org. C
21,7g/kg
Clay
36,2%
Sand
28,7%
Silt
35,0%
Average over 0-30 cm. Per-depth details in expert panel.
3 soil depths detailed0-5cm / 5-15cm / 15-30cm × 5 propsExpert
0–5 cm
pH H₂O
7,2
Org. C
34,2g/kg
Clay
35,7%
Sand
28,8%
Silt
35,5%
5–15 cm
pH H₂O
7,3
Org. C
16,6g/kg
Clay
36,7%
Sand
28,2%
Silt
35,1%
15–30 cm
pH H₂O
7,3
Org. C
14,2g/kg
Clay
36,2%
Sand
29,2%
Silt
34,6%
SoilGrids 250m (ISRIC, 2017) · GLiM v1.0 (Hartmann & Moosdorf 2012)
Land cover
Forest9.0%
Crops48.7%
Built-up0.3%
Bare soil3.9%
Other (grassland, water…)38.1%
Copernicus Global Land Cover 100m (Buchhorn et al. 2020)
Hydrology18 basins · 8 lakes · 24 rivers
Hydrology metrics for this exact territory
Stream length here
1 108,7km
Lake surface here
18,68km²
Basins crossed
18
Max stream order
6
Max drainage
37 813km²
Discharge in basins
350,1m³/s
Mean precip.
622mm/an
Mean T°
18,6°C
Moisture idx
-0,54
Max snow
1%
Mean runoff
182mm/an
Mean elev. (basins)
161m
Watersheds crossing here
- Bassin de Oued Sebou ⴰⵙⵉⴼ ⵏ ⵙⴱⵓ واد سبوsub-area2 181,1 km²overlap2091.95 km²24%
- Bassin de Oued Mouasub-area1 450,5 km²overlap1428.35 km²16%
- Bassin de Oued Ouarghasub-area1 583,6 km²overlap1038.23 km²12%
- Bassin de Oued Beht ⴰⵙⵉⴼ ⵏ ⴱⵀⵜ واد بهتsub-area2 540,8 km²overlap961.36 km²11%
- Bassin de Oued Sebou ⴰⵙⵉⴼ ⵏ ⵙⴱⵓ واد سبوsub-area1 076,8 km²overlap755.91 km²9%
- Bassin de Oued Sebou ⴰⵙⵉⴼ ⵏ ⵙⴱⵓ واد سبوsub-area949,4 km²overlap668.38 km²8%
- Bassin de Oued Beht ⴰⵙⵉⴼ ⵏ ⴱⵀⵜ واد بهتsub-area1 348,3 km²overlap659.35 km²8%
- Bassin de Oued Rdomsub-area2 605,3 km²overlap599.80 km²7%
- Bassin de Oued Loukous وادي اللكوسsub-area3 727,4 km²overlap340.02 km²4%
9 more basinssorted by overlap
- Basin #29710sub-area102,2 km²overlap83.65 km²1%
- Bassin de Oued Soueirsub-area209,4 km²overlap73.50 km²1%
- Basin #29680sub-area110,8 km²overlap32.85 km²0%
- Bassin de Oued Beht ⴰⵙⵉⴼ ⵏ ⴱⵀⵜ واد بهتsub-area13,1 km²overlap13.06 km²0%
- Bassin de Oued Beht ⴰⵙⵉⴼ ⵏ ⴱⵀⵜ واد بهتsub-area7 km²overlap6.98 km²0%
- Bassin de Oued Sebou ⴰⵙⵉⴼ ⵏ ⵙⴱⵓ واد سبوsub-area1 277,2 km²overlap2.83 km²0%
- Bassin de Oued Mikkès واد مكسsub-area1 924,9 km²overlap2.21 km²0%
- Bassin de Oued Ouarghasub-area264,2 km²overlap0.44 km²0%
- Bassin de Oued Ouarghasub-area1 074,1 km²overlap0.10 km²0%
Lakes (8, top by area)
- Barrage Al Wahdaarea74,3 km²avg depth51.2 m
- Barrage Ouedli Makhzubearea27,4 km²avg depth29.4 m
- Lac 1372848area0,9 km²avg depth2.1 m
- Lac 1372089area0,8 km²avg depth4.1 m
- Lac 1372233area0,7 km²avg depth2.1 m
- Lac 1372965area0,7 km²avg depth2.6 m
- Lac 1372986area0,3 km²avg depth5.0 m
- Lac 1372898area0,3 km²avg depth0.7 m
Rivers / streams (24, ord ≥ 4)
- Oued Sebou ⴰⵙⵉⴼ ⵏ ⵙⴱⵓ واد سبوord 6len here333.20 km56%total599 km
- Oued Beht ⴰⵙⵉⴼ ⵏ ⴱⵀⵜ واد بهتord 6len here169.32 km38%total441 km
- Oued Ouarghaord 5len here149.90 km37%total404 km
- Oued Rdomord 4len here71.92 km55%total130 km
- Oued Rdateord 4len here71.74 km100%total72 km
- Oued Mouaord 2len here60.65 km100%total61 km
- Canal Nador ⵜⴰⵔⴳⴰ ⵏ ⵏⴰⴹⵓⵕ قانة الناظورord 3len here56.94 km94%total60 km
- Oued Beht ⴰⵙⵉⴼ ⵏ ⴱⵀⵜ وادي بهتord 4len here33.53 km100%total34 km
- Oued Madaghord 1len here21.71 km100%total22 km
- Oued Ksibat ⴰⵙⵉⴼ ⵏ ⵇⵚⵉⴱⴰⵜ وادي القصيباتord 2len here19.57 km43%total45 km
- Oued Draderord 3len here17.49 km99%total18 km
- Sahb Al Ghabaord 1len here12.00 km79%total15 km
12 more river segmentssorted by Strahler order + length
- Canal Nador ⵜⴰⵔⴳⴰ ⵏ ⵏⴰⴹⵓⵕ قانة الناظورord 1len here10.71 km100%total11 km
- Oued Fouwaratord 1len here10.39 km40%total26 km
- Oued Elbiadord 3len here9.89 km100%total10 km
- Canal Boufakrouneord 1len here9.63 km100%total10 km
- Oued Maidord 1len here8.72 km100%total9 km
- قانة الناظورord 4len here8.51 km77%total11 km
- Oued Soueirord 2len here7.91 km53%total15 km
- Rivière Rdomord 4len here6.91 km100%total7 km
- Oued Sebou ⴰⵙⵉⴼ ⵏ ⵙⴱⵓ وادي سبوord 6len here6.28 km6%total110 km
- Oued Loukous وادي اللكوسord 5len here5.34 km3%total172 km
- Conduite de S10 Station Azghar vers S12 R2000+3000 Etage Hautord 1len here3.85 km100%total4 km
- Oued Khoumaneord 2len here2.56 km7%total35 km
Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10
Human pressure
Pop. density
2hab/km²
Night light
1,1nW
Built-up
31,7%
Pesticides
22,1kg/km²
GHSL POP/Built 2020 · VIIRS lumière nocturne · PEST-CHEMGRIDS 2020 (Maggi et al.)
Protected areas23
IUCN Not Applicable · 18IUCN Not Reported · 5🌊 Marine · 4
Merja Zerga
IUCN Not ReportedWetland of International Importance (Ramsar Site) · 1980
73 km²
Merja Zerga (Lagune de Moulay Bousselham)
IUCN Not ApplicableBiological and Ecological Interest Site · 1994
67 km²
El Birat
IUCN Not ApplicablePermanent Hunting Reserve · 2021
66 km²
Maamora
IUCN Not ApplicableBiological and Ecological Interest Site · 1994
50 km²
Ain Johra
IUCN Not ApplicablePermanent Hunting Reserve · 2021
49 km²
Complete list23 protected areas
- Littoral atlantiquePermanent Hunting ReserveIUCN Not Applicable2021705 km²
- Merja ZergaWetland of International Importance (Ramsar Site)IUCN Not Reported198073 km²
- Merja Zerga (Lagune de Moulay Bousselham)Biological and Ecological Interest SiteIUCN Not Applicable199467 km²
- El BiratPermanent Hunting ReserveIUCN Not Applicable202166 km²
- MaamoraBiological and Ecological Interest SiteIUCN Not Applicable199450 km²
- Ain JohraPermanent Hunting ReserveIUCN Not Applicable202149 km²
- Sidi KacemPermanent Hunting ReserveIUCN Not Applicable202146 km²
- Sidi SlimanePermanent Hunting ReserveIUCN Not Applicable202143 km²
- Mechraa BelksiriPermanent Hunting ReserveIUCN Not Applicable202138 km²
- Souk El Arbaa du GharbPermanent Hunting ReserveIUCN Not Applicable202127 km²
- Merja BokkaPermanent Hunting ReserveIUCN Not Applicable202127 km²
- Sidi Yahia du GharbPermanent Hunting ReserveIUCN Not Applicable202125 km²
- BouhlalPermanent Hunting ReserveIUCN Not Applicable202115 km²
- Base militaire de Sidi SlimanePermanent Hunting ReserveIUCN Not Applicable202115 km²
- Merja Sidi BoughabaWetland of International Importance (Ramsar Site)IUCN Not Reported19806 km²
- Réserve Biologique de Sidi BoughabaBiological ReserveIUCN Not Reported19946 km²
- Base militaire BouknadelPermanent Hunting ReserveIUCN Not Applicable20216 km²
- Marais et Côte du Plateau de RmelWetland of International Importance (Ramsar Site)IUCN Not Reported20055 km²
- Merja de FouwarateWetland of International Importance (Ramsar Site)IUCN Not Reported20185 km²
- Oued FouwarateBiological and Ecological Interest SiteIUCN Not Applicable19944 km²
- Merja HalloufaBiological and Ecological Interest SiteIUCN Not Applicable19943 km²
- Sansouire du SebouBiological and Ecological Interest SiteIUCN Not Applicable19942 km²
- Merja BokkaBiological and Ecological Interest SiteIUCN Not Applicable19941 km²
WDPA (World Database on Protected Areas) — UNEP-WCMC & IUCN