Grands Causses
IUCN VRegional Nature Park · 1995
3 807 km²
Department · FRA
Hérault
France
CsaTemperate, dry summer, hot summer(74 %)
Species observed
18 401
Observations
3 814 795
Area
6 226,7km²
Ecological tissue
Sample of 46 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 Hérault : 44 espèces + 2 bulles famille, 56 interactions GloBI documentées sur 7 types (connectance 5.4%, filtre Serrano α=0.2). Les 2 bulles regroupent des espèces visuellement absorbées par famille (≥3 espèces visibles).
Espèces affichées
46
Interactions affichées
56
Connectance
0.054
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
18 401 distinct species · 3 814 795 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Climate
Mean T°
13,5°C
Annual rain
954mm
Warmest m°
26,8°C
Coldest m°
2,7°C
Elevation: 259 m on average (min -9 m, max 1 127 m)
Bioclimatic details19 BIO + Köppen full + altitude statsExpert
Annual mean temp.
13,5°C
Annual rain
954mm
Warmest month
26,8°C
Coldest month
2,7°C
Mean alt.
259m
Min
-9m
Max
1 127m
Std. dev.
256m
Köppen-Geiger (dominant)
CsaTemperate, dry summer, hot summer(74 %)Temperate
CHELSA BIO 1-19 v2.1 · ETOPO DEM 60s · Köppen-Geiger 1991-2020 (Beck et al. 2018)
Soil & lithology
pH H₂O
7,1
Org. C
36,4g/kg
Clay
28,3%
Sand
30,4%
Silt
41,3%
Average over 0-30 cm. Per-depth details in expert panel.
Dominant lithology: scGLiM
3 soil depths detailed0-5cm / 5-15cm / 15-30cm × 5 propsExpert
0–5 cm
pH H₂O
7,1
Org. C
59,3g/kg
Clay
27,2%
Sand
31,0%
Silt
41,8%
5–15 cm
pH H₂O
7,2
Org. C
27,8g/kg
Clay
27,0%
Sand
30,9%
Silt
42,1%
15–30 cm
pH H₂O
7,2
Org. C
21,9g/kg
Clay
30,6%
Sand
29,4%
Silt
40,0%
SoilGrids 250m (ISRIC, 2017) · GLiM v1.0 (Hartmann & Moosdorf 2012)
Land cover
Forest33.1%
Crops16.9%
Built-up1.6%
Bare soil2.8%
Other (grassland, water…)45.7%
Copernicus Global Land Cover 100m (Buchhorn et al. 2020)
Hydrology12 basins · 28 lakes · 100 rivers
Hydrology metrics for this exact territory
Stream length here
1 302,9km
Lake surface here
150,37km²
Basins crossed
12
Max stream order
4
Max drainage
5 260km²
Discharge in basins
141,1m³/s
Mean precip.
731mm/an
Mean T°
13,0°C
Moisture idx
-0,25
Max snow
10%
Mean runoff
586mm/an
Mean elev. (basins)
288m
Watersheds crossing here
- Bassin de l'Héraultsub-area2 621,2 km²overlap2002.42 km²32%
- Bassin de l'Orbsub-area1 805,6 km²overlap1733.33 km²28%
- Bassin du Lezsub-area637 km²overlap638.17 km²10%
- Bassin de Ruisseau des Fontanillessub-area471,4 km²overlap458.48 km²7%
- Bassin de Canal Philippe-Lamoursub-area330,8 km²overlap326.44 km²5%
- Bassin du Vidourlesub-area915,7 km²overlap245.43 km²4%
- Bassin de la Cessesub-area279,4 km²overlap232.75 km²4%
- Bassin de l'Audesub-area346 km²overlap188.05 km²3%
- Bassin de l'Agoûtsub-area513,5 km²overlap165.17 km²3%
Lakes (28, top by area)
- Thauarea68,6 km²avg depth3.7 m
- Étang de l'Orarea30,5 km²avg depth1.0 m
- Étang de Vicarea17,2 km²avg depth1.1 m
- Étang du Méjeanarea7,2 km²avg depth1.2 m
- Lac du Salagouarea6,4 km²avg depth19.4 m
- Étang d'Ingrilarea3,3 km²avg depth1.4 m
- Lac de la Raviègearea3,2 km²avg depth14.1 m
- Étang des Mouettesarea3,1 km²avg depth1.4 m
- Étang de Pierre Blanchearea2,8 km²avg depth1.0 m
19 more lakes
- Étang du Prévostarea2,4 km²avg depth0.9 m
- Étang du Ponantarea1,7 km²avg depth1.2 m
- Étang du Grecarea1,2 km²avg depth0.6 m
- Étang du Bagnasarea1 km²avg depth1.1 m
- Lac 1363328area1 km²avg depth3.4 m
- Lac 1362878area0,7 km²avg depth1.8 m
- Lac 1363050area0,6 km²avg depth2.8 m
- Lac 1362373area0,6 km²avg depth55.5 m
- Lac 1362775area0,4 km²avg depth4.9 m
- Lac 1362858area0,3 km²avg depth1.4 m
- Lac 1362691area0,3 km²avg depth1.2 m
- Lac 1362742area0,3 km²avg depth1.0 m
- Lac 1362753area0,2 km²avg depth1.5 m
- Lac 1362767area0,2 km²avg depth6.9 m
- Lac 1362730area0,2 km²avg depth1.2 m
- Lac 1363094area0,2 km²avg depth3.3 m
- Lac 1362641area0,2 km²avg depth0.7 m
- Lac 1362946area0,1 km²avg depth1.1 m
- Lac 1363082area0,1 km²avg depth4.1 m
Rivers / streams (100, ord ≥ 4)
- L'Héraultord 4len here98.79 km81%total121 km
- L'Orbord 4len here95.61 km93%total102 km
- L'Agoûtord 4len here35.18 km18%total201 km
- La Thongueord 3len here33.34 km100%total33 km
- La Peyneord 4len here30.36 km100%total30 km
- La Visord 4len here27.41 km45%total61 km
- Canal Philippe-Lamourord 2len here27.00 km100%total27 km
- Le Lirouord 2len here25.35 km100%total25 km
- Le Lezord 3len here24.34 km100%total24 km
- Le Coulazouord 2len here24.29 km100%total24 km
- Le Libronord 2len here23.89 km100%total24 km
- Le Bérangeord 2len here20.65 km100%total21 km
88 more river segmentssorted by Strahler order + length
- La Lergueord 3len here20.62 km100%total21 km
- La Cesseord 3len here19.67 km58%total34 km
- Aqueduc de Castriesord 1len here19.26 km100%total19 km
- Le Vernazobreord 2len here18.84 km100%total19 km
- Le Lamalouord 2len here17.70 km100%total18 km
- Le Rieutortord 4len here17.63 km100%total18 km
- La Mossonord 4len here16.10 km100%total16 km
- L'Ognonord 2len here16.05 km75%total21 km
- Ruisseau de Sorbsord 2len here15.95 km98%total16 km
- Le Rieuberlouord 4len here15.67 km100%total16 km
- Canal du Rhône à Sèteord 3len here15.12 km59%total26 km
- La Buègesord 2len here14.11 km100%total14 km
- Ruisseau de Rouviègesord 1len here13.70 km100%total14 km
- Canal de Clairacord 2len here13.64 km100%total14 km
- Ruisseau de Vinassacord 2len here13.54 km100%total14 km
- L'Arnord 2len here13.35 km25%total54 km
- Le Jaurord 2len here13.11 km100%total13 km
- Canal de Gignacord 4len here12.85 km100%total13 km
- La Dourbieord 1len here12.53 km100%total13 km
- La Mareord 2len here12.14 km100%total12 km
- Le Salagouord 2len here11.13 km100%total11 km
- Ruisseau de la Garonneord 1len here11.00 km100%total11 km
- La Lèneord 2len here10.98 km100%total11 km
- Dardaillonord 1len here10.88 km100%total11 km
- Le Terrieuord 2len here10.74 km100%total11 km
- Ruisseau du Crosord 1len here10.56 km100%total11 km
- Ruisseau des Fontanillesord 1len here10.39 km100%total10 km
- Le Gravezonord 3len here10.35 km100%total10 km
- Ruisseau des Buisord 1len here9.97 km100%total10 km
- Canal de Gignac, branche de Ceyrasord 4len here9.88 km100%total10 km
- Ruisseau de la Billièreord 1len here9.87 km100%total10 km
- L'Aubayguesord 3len here9.71 km100%total10 km
- La Salesseord 2len here9.65 km100%total10 km
- Le Lirouord 2len here9.47 km100%total9 km
- Ruisseau de Lasséderonord 1len here9.41 km100%total9 km
- Ruisseau de l'Avenetteord 2len here9.33 km80%total12 km
- Le Brianord 2len here9.23 km100%total9 km
- Ruisseau de Bureauord 2len here9.03 km100%total9 km
- Ruisseau des Corbièresord 2len here8.80 km100%total9 km
- La Vèneord 3len here8.79 km100%total9 km
- Ruisseau de Lavaletteord 4len here8.75 km45%total20 km
- La Tourquilleord 1len here8.62 km100%total9 km
- Ruisseau du Pallasord 2len here8.47 km100%total8 km
- Canal du Midiord 5len here8.33 km15%total56 km
- Ruisseau de la Caladeord 1len here8.32 km100%total8 km
- Ruisseau de Violesord 4len here8.22 km100%total8 km
- Ruisseau du Brahunalord 2len here8.16 km100%total8 km
- Ruisseau de la Guiraudeord 1len here8.09 km100%total8 km
- L'Alzonord 2len here8.01 km100%total8 km
- Le Rieumasselord 3len here7.92 km100%total8 km
- Le Maroord 1len here7.82 km100%total8 km
- Ruisseau de Rhonelord 1len here7.53 km100%total8 km
- Ruisseau de Planèsord 1len here7.45 km100%total7 km
- Ruisseau des Oulettesord 1len here7.38 km100%total7 km
- Ruisseau de Rivernousord 3len here7.29 km100%total7 km
- Le Salaisonord 1len here7.19 km100%total7 km
- La Catarenqueord 1len here7.02 km100%total7 km
- Le Dardaillon Ouestord 1len here7.01 km100%total7 km
- Le Merdansonord 2len here6.96 km100%total7 km
- Ruisseau de la Carriérasseord 1len here6.91 km96%total7 km
- Ruisseau de Valusièreord 1len here6.87 km100%total7 km
- La Bénovieord 3len here6.86 km85%total8 km
- Siphon de Lagamasord 2len here6.85 km100%total7 km
- Ruisseau de Libesord 1len here6.83 km100%total7 km
- Ruisseau d'Ilouvreord 2len here6.81 km100%total7 km
- Ruisseau Des Moulièresord 2len here6.78 km100%total7 km
- Ruisseau de Bayelleord 2len here6.77 km100%total7 km
- Canal du Rhône à Sèteord 2len here6.74 km100%total7 km
- La Soulondresord 2len here6.64 km100%total7 km
- Le Brestalouord 2len here6.41 km69%total9 km
- Ravin Des Toursord 1len here6.20 km100%total6 km
- Ruisseau des Pradesord 3len here6.20 km100%total6 km
- Le Dardaillon Estord 2len here6.19 km100%total6 km
- Canal de la Gauord 2len here5.86 km100%total6 km
- Ruisseau des Négacotsord 1len here5.85 km100%total6 km
- Ruisseau de Gassacord 1len here5.80 km100%total6 km
- Canal des Clairsord 1len here5.78 km100%total6 km
- Canal du Midiord 1len here5.75 km90%total6 km
- Le Rieuord 2len here5.71 km100%total6 km
- Le Vernoubreord 1len here5.70 km37%total15 km
- La Cadouleord 1len here5.65 km100%total6 km
- Canal du Midiord 1len here5.64 km100%total6 km
- Ruisseau de Bouissetord 4len here5.56 km100%total6 km
- Canal du Passotord 2len here5.52 km100%total6 km
- Ruisseau de Font d'Amansord 1len here5.40 km100%total5 km
- Le Budelord 1len here5.39 km100%total5 km
- Ruisseau de Gournièsord 1len here5.36 km71%total8 km
- Canal du Midiord 1len here5.34 km100%total5 km
Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10
Human pressure
Pop. density
1hab/km²
Night light
1,4nW
Built-up
156,7%
Pesticides
34,2kg/km²
GHSL POP/Built 2020 · VIIRS lumière nocturne · PEST-CHEMGRIDS 2020 (Maggi et al.)
Protected areas100
IUCN Not Reported · 53IUCN IV · 43IUCN V · 4🌊 Marine · 21
Haut-Languedoc
IUCN VRegional Nature Park · 1973
3 070 km²
Cévennes [Aire D\'Adhésion]
IUCN VNational Park - Buffer zone/Area of adhesion · 1970
2 183 km²
Côte languedocienne
IUCN Not ReportedSpecial Protection Area (Birds Directive) · 2008
716 km²
La Narbonnaise En Méditerranée
IUCN VRegional Nature Park · 2003
696 km²
Hautes Garrigues du Montpelliérais
IUCN Not ReportedSpecial Protection Area (Birds Directive) · 2020
473 km²
Complete list100 protected areas
- Grands CaussesRegional Nature ParkIUCN V19953 807 km²
- Haut-LanguedocRegional Nature ParkIUCN V19733 070 km²
- Cévennes [Aire D\'Adhésion]National Park - Buffer zone/Area of adhesionIUCN V19702 183 km²
- Côte languedocienneSpecial Protection Area (Birds Directive)IUCN Not Reported2008716 km²
- La Narbonnaise En MéditerranéeRegional Nature ParkIUCN V2003696 km²
- Hautes Garrigues du MontpelliéraisSpecial Protection Area (Birds Directive)IUCN Not Reported2020473 km²
- La Petite CamargueWetland of International Importance (Ramsar Site)IUCN Not Reported1996417 km²
- Petite CamargueSpecial Areas of Conservation (Habitats Directive)IUCN Not Reported2016344 km²
- Causse du LarzacSpecial Areas of Conservation (Habitats Directive)IUCN Not Reported2011295 km²
- Causse du LarzacSpecial Protection Area (Birds Directive)IUCN Not Reported2008295 km²
- MinervoisSpecial Protection Area (Birds Directive)IUCN Not Reported2020249 km²
- Les Causses du MinervoisSpecial Areas of Conservation (Habitats Directive)IUCN Not Reported2015218 km²
- Gorges de l'HéraultSpecial Areas of Conservation (Habitats Directive)IUCN Not Reported2011217 km²
- Gorges de la Vis et cirque de NavacellesSpecial Protection Area (Birds Directive)IUCN Not Reported2020203 km²
- Petite Camargue laguno-marineSpecial Protection Area (Birds Directive)IUCN Not Reported2020155 km²
- Le SalagouSpecial Protection Area (Birds Directive)IUCN Not Reported2020128 km²
- Gorges de Rieutord, Fage et CagnasseSpecial Protection Area (Birds Directive)IUCN Not Reported2020123 km²
- Posidonies de la côte palavasienneSite of Community Importance (Habitats Directive)IUCN Not Reported2006108 km²
- Montagne de la Moure et Causse d'AumelasSpecial Areas of Conservation (Habitats Directive)IUCN Not Reported2021107 km²
- Garrigues de la Moure et d'AumelasSpecial Protection Area (Birds Directive)IUCN Not Reported201690 km²
- Côtes sableuses de l'infralittoral LanguedocienSite of Community Importance (Habitats Directive)IUCN Not Reported200986 km²
- Étang de Thau et lido de Sète à AgdeSpecial Protection Area (Birds Directive)IUCN Not Reported202083 km²
- Herbiers de l'étang de ThauSpecial Areas of Conservation (Habitats Directive)IUCN Not Reported202183 km²
- Causse de BlandasSpecial Areas of Conservation (Habitats Directive)IUCN Not Reported201079 km²
- Etangs palavasiensWetland of International Importance (Ramsar Site)IUCN Not Reported200876 km²
- Étang de MauguioSpecial Areas of Conservation (Habitats Directive)IUCN Not Reported201570 km²
- Étang de MauguioSpecial Protection Area (Birds Directive)IUCN Not Reported202070 km²
- Étangs palavasiens et étang de l'EstagnolSpecial Protection Area (Birds Directive)IUCN Not Reported202066 km²
- Étangs palavasiensSpecial Areas of Conservation (Habitats Directive)IUCN Not Reported201566 km²
- Posidonies du cap d'AgdeSpecial Areas of Conservation (Habitats Directive)IUCN Not Reported201762 km²
- Est et sud de BéziersSpecial Protection Area (Birds Directive)IUCN Not Reported202061 km²
- Plaine de Villeveyrac-MontagnacSpecial Protection Area (Birds Directive)IUCN Not Reported202255 km²
- Gorges de la Vis et de la VirenqueSpecial Areas of Conservation (Habitats Directive)IUCN Not Reported201655 km²
- Cours inférieur de l'AudeSpecial Areas of Conservation (Habitats Directive)IUCN Not Reported201653 km²
- Les Contreforts du LarzacSpecial Areas of Conservation (Habitats Directive)IUCN Not Reported201653 km²
- Basse plaine de l'AudeSpecial Protection Area (Birds Directive)IUCN Not Reported202048 km²
- Basse plaine de l'AudeSpecial Areas of Conservation (Habitats Directive)IUCN Not Reported201545 km²
- Pic Saint-LoupSpecial Areas of Conservation (Habitats Directive)IUCN Not Reported201544 km²
- Montagne de l'Espinouse et du CarouxSpecial Protection Area (Birds Directive)IUCN Not Reported202034 km²
- Plaine de Fabrègues-PoussanSpecial Protection Area (Birds Directive)IUCN Not Reported200633 km²
- Le Caroux et l'EspinouseSpecial Areas of Conservation (Habitats Directive)IUCN Not Reported201523 km²
- Collines d'Ensérune (ancien nom : Collines du Narbonnais)Special Areas of Conservation (Habitats Directive)IUCN Not Reported202223 km²
- Etang de vicLand acquired by Conservatoire du Littoral (national seaside and lakeside conservancy)IUCN IV198318 km²
- Le Caroux-EspinouseNational Hunting and Wildlife ReserveIUCN IV197317 km²
- Crêtes du Mont Marcou et des Monts de MareSpecial Areas of Conservation (Habitats Directive)IUCN Not Reported201615 km²
- Vallée de l'ArnSpecial Areas of Conservation (Habitats Directive)IUCN Not Reported200715 km²
- Basse plaine de l\'audeLand acquired by Conservatoire du Littoral (national seaside and lakeside conservancy)IUCN IV198815 km²
- Étang de CapestangSpecial Protection Area (Birds Directive)IUCN Not Reported202014 km²
- Le bagnasLand acquired by Conservatoire du Littoral (national seaside and lakeside conservancy)IUCN IV19957 km²
- Étang du BagnasSpecial Protection Area (Birds Directive)IUCN Not Reported20207 km²
- Étang du BagnasSpecial Areas of Conservation (Habitats Directive)IUCN Not Reported20157 km²
- Etang de l\'orLand acquired by Conservatoire du Littoral (national seaside and lakeside conservancy)IUCN IV19826 km²
- BagnasNational Nature ReserveIUCN IV19836 km²
- costieres de nimesLand acquired by a regional conservatory of natural areasIUCN IV19006 km²
- Lido de thauLand acquired by Conservatoire du Littoral (national seaside and lakeside conservancy)IUCN IV19815 km²
- Gorges De L\'HéraultBiotope Protection OrderIUCN IV19935 km²
- Lido de l\'orLand acquired by Conservatoire du Littoral (national seaside and lakeside conservancy)IUCN IV19904 km²
- La Grande MaireSpecial Areas of Conservation (Habitats Directive)IUCN Not Reported20084 km²
- Aqueduc de PézenasSpecial Areas of Conservation (Habitats Directive)IUCN Not Reported20223 km²
- La Peyroutarié, Le Fourcat D\'Héric Et Le MascarBiotope Protection OrderIUCN IV19893 km²
+ 40 protected areas (top 60 shown)
WDPA (World Database on Protected Areas) — UNEP-WCMC & IUCN
Sub-administrations3
France-specific data (Phase 2)
ZNIEFF, Natura 2000, INPN protected spaces, BNV-D pesticides, Naïades water quality, SAFRAN fine climate, BRGM lithology — Layer FR to load in Phase 2.