Region · mrt
Tagant
Mauritania
Espèces observées
330
Observations
2 891
Superficie
94 952km²
Tissu écologique
Échantillon de 24 espèces (sélectionnées proportionnellement par règne parmi celles ayant au moins une interaction documentée ici) pour garder le graphe lisible. Survolez pour les détails, cliquez pour explorer l'écosystème complet d'une espèce.
ℹ️ Le territoire contient bien plus d'espèces que celles affichées et toutes leurs interactions documentées : le graphe est volontairement le squelette structurel du tissu (espèces top-N par score composite local, arêtes filtrées par disparity filter Serrano 2009 α=0.2).
Indicateurs du tissu écologique
Tissu écologique de Tagant : 23 espèces + 1 bulle famille, 15 interactions GloBI documentées sur 2 types (connectance 5.4%, filtre Serrano α=0.2). Les 1 bulle regroupe des espèces visuellement absorbées par famille (≥3 espèces visibles).
Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).
Espèces présentes
330 espèces distinctes · 2 891 observations
Source : GBIF Occurrence snapshot 2026-05-01.
Climat
T° moyenne
27,9°C
Précip.
82mm
T° max mois
40,1°C
T° min mois
12,3°C
Altitude : 330 m en moyenne (min 66 m, max 554 m)
Bioclimatiques détaillés19 BIO + Köppen complet + stats altitudeExpert
CHELSA BIO 1-19 v2.1 · ETOPO DEM 60s · Köppen-Geiger 1991-2020 (Beck et al. 2018)
Sol & lithologie
pH H₂O
8,0
C organique
4,0g/kg
Argile
23,0%
Sable
56,8%
Limon
20,2%
Moyenne sur 0-30 cm. Détails par profondeur dans le pli expert.
3 profondeurs détaillées0-5 / 5-15 / 15-30 cm × 5 propriétésExpert
SoilGrids 250m (ISRIC, 2017) · GLiM v1.0 (Hartmann & Moosdorf 2012)
Couverture du sol
Copernicus Global Land Cover 100m (Buchhorn et al. 2020)
Hydrologie156 bassins versants · 7 lacs · 56 cours d'eau
Métriques hydro réellement locales à ce territoire
Cours d'eau ici
1 585,5km
Surface lacs ici
2,09km²
Bassins traversés
156
Plus gros cours d’eau (Strahler)
6
Drainage amont max
59 113km²
Débit (bassins)
118,2m³/s
Précip. moyenne
104mm/an
T° moyenne
28,6°C
Indice humidité
-0,95
Ruissellement
22mm/an
Alt. moy. (bassins)
331m
Bassins versants traversants
- Bassin #61100surface4 830,7 km²overlap3924.46 km²4%
- Bassin #57120surface3 439,1 km²overlap2892.62 km²3%
- Bassin #44620surface3 143,6 km²overlap2822.05 km²3%
- Bassin #54630surface3 238,2 km²overlap2529.04 km²3%
- Bassin #73720surface2 509 km²overlap2463.19 km²3%
- Bassin #45680surface2 401,4 km²overlap2362.20 km²2%
- Bassin #94250surface2 338,4 km²overlap2274.47 km²2%
- Bassin #93410surface2 233,4 km²overlap2226.47 km²2%
- Bassin #03250surface2 114,7 km²overlap2108.14 km²2%
147 bassins de plustriés par overlap
- Bassin #66520surface1 919,4 km²overlap1913.67 km²2%
- Bassin #75580surface1 910,3 km²overlap1902.86 km²2%
- Bassin de Tidjikja تجكجةsurface1 889,3 km²overlap1883.42 km²2%
- Bassin #53170surface2 219,4 km²overlap1876.80 km²2%
- Bassin #49140surface1 810,2 km²overlap1804.54 km²2%
- Bassin #26820surface1 630,4 km²overlap1625.20 km²2%
- Bassin #80330surface1 603,9 km²overlap1599.04 km²2%
- Bassin #84890surface1 540,6 km²overlap1535.78 km²2%
- Bassin #75830surface1 461,9 km²overlap1457.48 km²2%
- Bassin #42480surface2 109,6 km²overlap1315.05 km²1%
- Bassin #84790surface1 225,6 km²overlap1221.84 km²1%
- Bassin #01830surface1 201,1 km²overlap1197.35 km²1%
- Bassin de Khneg Achramsurface1 199,3 km²overlap1195.43 km²1%
- Bassin de Nouadarsurface1 196 km²overlap1192.15 km²1%
- Bassin #03370surface1 193,5 km²overlap1189.79 km²1%
- Bassin de Oued Akneïkersurface1 167,3 km²overlap1163.47 km²1%
- Bassin de Krâ’ en Nâgasurface1 138,3 km²overlap1134.56 km²1%
- Bassin de Tidjikja تجكجةsurface1 080 km²overlap1076.63 km²1%
- Bassin de Oued Aghaoujeftsurface2 154,3 km²overlap986.03 km²1%
- Bassin de Oued I-n-Tilimîtsurface970,2 km²overlap967.15 km²1%
- Bassin #51360surface934,7 km²overlap931.83 km²1%
- Bassin #24800surface907,6 km²overlap904.74 km²1%
- Bassin #46620surface2 022 km²overlap840.76 km²1%
- Bassin #99850surface842,1 km²overlap839.53 km²1%
- Bassin #30840surface834,4 km²overlap831.77 km²1%
- Bassin #82930surface810,4 km²overlap807.90 km²1%
- Bassin #81000surface804,8 km²overlap802.33 km²1%
- Bassin #54730surface1 387,5 km²overlap796.95 km²1%
- Bassin #61730surface804,8 km²overlap796.47 km²1%
- Bassin #24810surface763 km²overlap760.54 km²1%
- Bassin #39570surface912,1 km²overlap736.88 km²1%
- Bassin #80630surface724,8 km²overlap722.60 km²1%
- Bassin #77440surface717,5 km²overlap715.28 km²1%
- Bassin de Oued el Mraifigsurface715,6 km²overlap713.32 km²1%
- Bassin #61980surface715,2 km²overlap713.05 km²1%
- Bassin #90270surface684,4 km²overlap682.23 km²1%
- Bassin #99840surface1 178,6 km²overlap671.10 km²1%
- Bassin #90740surface2 481 km²overlap666.54 km²1%
- Bassin de Oued Betbalsurface663,5 km²overlap661.39 km²1%
- Bassin #80200surface659 km²overlap656.98 km²1%
- Bassin de Oued el Abioḍsurface652,1 km²overlap650.01 km²1%
- Bassin de Oued Iguerjânesurface965,6 km²overlap639.86 km²1%
- Bassin #97860surface621,1 km²overlap619.17 km²1%
- Bassin #73020surface652,7 km²overlap616.98 km²1%
- Bassin de Oued Ghlîg Ould Addasurface837,1 km²overlap598.35 km²1%
- Bassin #95880surface599,8 km²overlap597.93 km²1%
- Bassin #27300surface592,5 km²overlap590.64 km²1%
- Bassin de Krâ’ en Nâgasurface590,6 km²overlap588.72 km²1%
- Bassin #24820surface583,5 km²overlap581.60 km²1%
- Bassin de Oued el Abioḍsurface569,8 km²overlap567.96 km²1%
- Bassin #83410surface648 km²overlap564.35 km²1%
- Bassin #60040surface663,9 km²overlap552.51 km²1%
- Bassin #24830surface548,6 km²overlap546.86 km²1%
- Bassin #73210surface545,7 km²overlap544.06 km²1%
- Bassin #68520surface520,9 km²overlap519.35 km²1%
- Bassin #99040surface494,5 km²overlap492.96 km²1%
- Bassin #56420surface528,2 km²overlap486.16 km²1%
- Bassin de Tidjikja تجكجةsurface484 km²overlap482.47 km²1%
- Bassin #68530surface479,8 km²overlap478.35 km²1%
- Bassin #52620surface1 358,4 km²overlap478.05 km²1%
- Bassin de Dakhlet Koûrouraïsurface1 619,1 km²overlap469.18 km²0%
- Bassin de Oued el Abioḍsurface464,3 km²overlap462.88 km²0%
- Bassin #93950surface635,5 km²overlap450.60 km²0%
- Bassin #60010surface1 238,9 km²overlap449.28 km²0%
- Bassin de Oued Toueïjigjîtsurface788 km²overlap445.70 km²0%
- Bassin #26830surface436,3 km²overlap434.88 km²0%
- Bassin #03920surface429,6 km²overlap428.21 km²0%
- Bassin #29400surface425,6 km²overlap424.22 km²0%
- Bassin #83250surface704,5 km²overlap408.33 km²0%
- Bassin #78470surface622,1 km²overlap397.74 km²0%
- Bassin #81200surface373,4 km²overlap372.22 km²0%
- Bassin #55430surface713,3 km²overlap365.59 km²0%
- Bassin de Dakhlet Laourasurface359,5 km²overlap358.37 km²0%
- Bassin #93260surface357,8 km²overlap356.69 km²0%
- Bassin #90280surface352 km²overlap350.89 km²0%
- Bassin #73520surface793,8 km²overlap350.15 km²0%
- Bassin #78600surface348,9 km²overlap347.81 km²0%
- Bassin #98170surface347,6 km²overlap346.53 km²0%
- Bassin #03910surface344,4 km²overlap343.35 km²0%
- Bassin #54640surface1 349,8 km²overlap341.95 km²0%
- Bassin de Tidjikja تجكجةsurface339,5 km²overlap338.45 km²0%
- Bassin #98180surface334,6 km²overlap333.57 km²0%
- Bassin #47710surface482,1 km²overlap331.90 km²0%
- Bassin de Oued el Khtaïtsurface589,2 km²overlap324.34 km²0%
- Bassin de Tidjikja تجكجةsurface324,7 km²overlap323.67 km²0%
- Bassin #60730surface1 196 km²overlap320.12 km²0%
- Bassin #57230surface384,1 km²overlap319.99 km²0%
- Bassin #27310surface318,5 km²overlap317.52 km²0%
- Bassin de وادي الغنمsurface640,5 km²overlap313.23 km²0%
- Bassin #70620surface294,5 km²overlap293.58 km²0%
- Bassin #36920surface614,4 km²overlap290.12 km²0%
- Bassin #02020surface255,4 km²overlap254.63 km²0%
- Bassin #30660surface255,4 km²overlap254.56 km²0%
- Bassin #01840surface249,7 km²overlap248.89 km²0%
- Bassin #70410surface1 196,8 km²overlap246.56 km²0%
- Bassin #81190surface241,9 km²overlap241.18 km²0%
- Bassin #83230surface230 km²overlap229.28 km²0%
- Bassin #65970surface221,7 km²overlap221.00 km²0%
- Bassin #50120surface1 122,6 km²overlap201.15 km²0%
- Bassin #36930surface398,5 km²overlap199.75 km²0%
- Bassin #61530surface596,3 km²overlap164.66 km²0%
- Bassin #02350surface162,9 km²overlap162.40 km²0%
- Bassin #80480surface151,3 km²overlap150.82 km²0%
- Bassin de Tidjikja تجكجةsurface139,4 km²overlap139.00 km²0%
- Bassin #17340surface708,7 km²overlap138.93 km²0%
- Bassin #47720surface168,9 km²overlap137.75 km²0%
- Bassin #42800surface608,8 km²overlap137.65 km²0%
- Bassin #99210surface131,2 km²overlap130.79 km²0%
- Bassin #24790surface129,1 km²overlap128.73 km²0%
- Bassin #72870surface128,3 km²overlap127.92 km²0%
- Bassin #40630surface1 686,9 km²overlap117.68 km²0%
- Bassin #25070surface96,5 km²overlap96.18 km²0%
- Bassin de Tidjikja تجكجةsurface94,6 km²overlap94.31 km²0%
- Bassin #46550surface1 519,8 km²overlap92.72 km²0%
- Bassin #95980surface91,9 km²overlap91.59 km²0%
- Bassin #86950surface458,5 km²overlap86.82 km²0%
- Bassin #65790surface190,8 km²overlap80.62 km²0%
- Bassin #59610surface1 017,3 km²overlap78.51 km²0%
- Bassin #46600surface1 140,4 km²overlap78.10 km²0%
- Bassin #29030surface78,1 km²overlap77.86 km²0%
- Bassin de Oued Jelouasurface622,6 km²overlap76.06 km²0%
- Bassin #61740surface253,2 km²overlap69.63 km²0%
- Bassin #01570surface66,1 km²overlap65.91 km²0%
- Bassin #99050surface678,9 km²overlap61.57 km²0%
- Bassin #60020surface780 km²overlap60.49 km²0%
- Bassin #36740surface435,5 km²overlap57.06 km²0%
- Bassin #57030surface176,6 km²overlap49.24 km²0%
- Bassin de Oued Boûlboûlsurface45,2 km²overlap45.01 km²0%
- Bassin #70400surface43 km²overlap42.90 km²0%
- Bassin #41400surface38,8 km²overlap38.66 km²0%
- Bassin #77120surface28,4 km²overlap28.29 km²0%
- Bassin #73220surface27,6 km²overlap27.56 km²0%
- Bassin #55490surface534,1 km²overlap26.92 km²0%
- Bassin #29410surface24,2 km²overlap24.14 km²0%
- Bassin #41120surface22,8 km²overlap22.73 km²0%
- Bassin #42370surface20,7 km²overlap20.67 km²0%
- Bassin de Oued I-n-Tilimîtsurface11,3 km²overlap11.23 km²0%
- Bassin #81130surface29,4 km²overlap9.99 km²0%
- Bassin #65900surface165,4 km²overlap8.65 km²0%
- Bassin #64370surface253,8 km²overlap5.12 km²0%
- Bassin #66400surface4,1 km²overlap4.12 km²0%
- Bassin de Gorgol Blancsurface318,6 km²overlap3.96 km²0%
- Bassin #37150surface1 608,2 km²overlap3.29 km²0%
- Bassin #40450surface3 km²overlap3.02 km²0%
- Bassin #46710surface1 949 km²overlap2.64 km²0%
- Bassin #55260surface719 km²overlap1.83 km²0%
- Bassin #16030surface1 182,2 km²overlap0.02 km²0%
Lacs (7, top par surface)
Cours d'eau (56, ordre ≥ 4)
- Tidjikja تجكجةord 6long. ici223.95 km100%total rivière224 km
- Oued el Abioḍord 4long. ici198.77 km100%total rivière199 km
- Krâ’ en Nâgaord 4long. ici88.57 km100%total rivière89 km
- Oued I-n-Tilimîtord 4long. ici77.17 km100%total rivière77 km
- Khneg Achramord 3long. ici56.04 km100%total rivière56 km
- Oued Akneïkerord 3long. ici46.20 km100%total rivière46 km
- Oued el Mraifigord 3long. ici45.13 km100%total rivière45 km
- Oued Ntâkechord 2long. ici44.96 km100%total rivière45 km
- Oued Kraa Nagaord 3long. ici44.68 km100%total rivière45 km
- Oued Boûlboûlord 5long. ici41.16 km100%total rivière41 km
- Oued Betbalord 4long. ici34.36 km100%total rivière34 km
- وادي الغنمord 3long. ici31.92 km80%total rivière40 km
44 segments de cours d'eautriés par ordre Strahler + longueur
- Touîjirîtord 1long. ici28.84 km100%total rivière29 km
- Oued Iguerjâneord 2long. ici28.36 km100%total rivière28 km
- Nouadarord 2long. ici27.98 km100%total rivière28 km
- Oued Guelâgaord 3long. ici27.37 km100%total rivière27 km
- Oued Bourâggaord 4long. ici27.35 km100%total rivière27 km
- Oued Nouejhennaord 2long. ici26.58 km100%total rivière27 km
- Oued Aghaoujeftord 2long. ici26.46 km100%total rivière27 km
- وادي الجريفord 2long. ici25.29 km100%total rivière25 km
- Leouelord 2long. ici24.57 km100%total rivière25 km
- Far et Teïdoûmord 3long. ici23.55 km87%total rivière27 km
- Et Tichoûṭeneord 2long. ici22.12 km100%total rivière22 km
- Oued Kehmeïtord 2long. ici21.60 km100%total rivière22 km
- Oued Beliniârord 2long. ici21.42 km100%total rivière21 km
- Oued Ghlîg Ould Addaord 4long. ici19.46 km44%total rivière45 km
- Oued el Metghaïmbraord 2long. ici18.76 km100%total rivière19 km
- Oued Gueïord 3long. ici17.30 km100%total rivière17 km
- Oued Lardediaord 3long. ici17.22 km100%total rivière17 km
- Oued Reijaord 2long. ici17.14 km100%total rivière17 km
- وادي الجريفord 3long. ici15.54 km100%total rivière16 km
- Oued Tagnentord 1long. ici14.65 km100%total rivière15 km
- Oued Far’ Aouâlord 2long. ici14.58 km100%total rivière15 km
- Oued Kadiord 2long. ici13.68 km100%total rivière14 km
- Oued el Ghdeïdiyaord 1long. ici12.51 km100%total rivière13 km
- Oued Kafelord 1long. ici11.37 km100%total rivière11 km
- Hasseï el Hadîdord 1long. ici11.23 km100%total rivière11 km
- Oued Niéouolord 2long. ici11.10 km100%total rivière11 km
- ’Ayoûn el Khechbaord 2long. ici10.92 km96%total rivière11 km
- Dakhlet Laouraord 1long. ici10.71 km100%total rivière11 km
- El Foujjord 1long. ici10.59 km100%total rivière11 km
- Oued en Nkheïléord 4long. ici10.08 km100%total rivière10 km
- Oued Toueïjigjîtord 2long. ici9.28 km29%total rivière31 km
- ’Aoueïnet ez Zmoûlord 4long. ici9.06 km100%total rivière9 km
- Oûdeyyât Callâhaord 2long. ici8.45 km100%total rivière8 km
- Oued Achramord 3long. ici7.98 km38%total rivière21 km
- Oued Aroueïjiord 1long. ici7.84 km100%total rivière8 km
- Dakhlet Inîtiord 2long. ici7.42 km100%total rivière7 km
- Fra’ E-n-Tâchetord 2long. ici6.63 km100%total rivière7 km
- Oued Tifourgaggaord 2long. ici6.51 km100%total rivière7 km
- Kejarord 1long. ici6.27 km100%total rivière6 km
- Oued Erchelmoujord 2long. ici5.41 km100%total rivière5 km
- Tcheffâl Koussamord 2long. ici4.37 km60%total rivière7 km
- Aghchâffertord 1long. ici3.07 km100%total rivière3 km
- Oued Tâyert el Melhord 2long. ici1.66 km31%total rivière5 km
- Oued Jelouaord 2long. ici0.26 km2%total rivière16 km
Intersection spatiale live (cachée après premier hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10
Pression humaine
Densité pop.
0hab/km²
Lumière nuit
0,0nW
Surface bâtie
0,5%
Pesticides
0,0kg/km²
GHSL POP/Built 2020 · VIIRS lumière nocturne · PEST-CHEMGRIDS 2020 (Maggi et al.)