Knowledge (XXG)

Lake Manyara

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permanent and ephemeral rivers that drain the surrounding catchment. The lake's depth and the area it covers fluctuates significantly. At its maximum, during the wet season, the lake is 40 km wide by 15 km with a maximum depth of 3.7 m. In 2010, a bathymetry survey showed the lake to have an average depth 0.81 m, and a maximum depth of about 1.18 m. In extreme dry periods the surface area of the lake shrinks as the waters evaporate and at times the lake has dried up completely. Lake Manyara is a soda or alkaline lake with a pH near 9.5, and it is also high in dissolved salts. The water becomes increasingly brackish in the dry season as water evaporates and salts accumulate. During dry spells, large areas of mud flats become exposed along the shore. These alkaline flats sprout into grasslands, attracting grazing animals, including large herds of buffalo, wildebeest and zebra. The Western side of the lake is flanked by a steep rift escarpment, to the North are the Ngorongoro highlands, while in the East and Southeast an undulating plain with isolated volcanic mountains gives way to a peneplain. Several springs, streams, wetlands and smaller lakes, both perennial and seasonal, drain into the lake. The shores of the saline lake host at its Northern tip the town of Mto wa Mbu with its irrigation agriculture. On its Western side there is a groundwater forest extending between the lake shore and the rift escarpment and covered mostly by the National Park until the Marang' forest. In the rift valley South of the lake vast river floodplains are used for irrigation agriculture. The wetter and more productive uplands all over the catchment are mostly used for rain-fed agriculture by various ethnicities depending on historical migration and resettlement patterns. The drier and more unpredictable savannas are used for livestock grazing by pastoralists (mainly Maasai). Southeast of LM another large and famous national park (Tarangire) is located. Furthermore, all over the catchment there are numerous game reserves, conservation areas, forest reserves, wildlife management areas and numerous villages and touristic infrastructures (roads, lodges and tented camps).
29: 45: 207: 52: 294:, a species of in the cichlid family, endemic to Tanzania, found in Lake Manyara and a number of other saline lakes with closed basins. Exploitation is prohibited in the parts of Lake Manyara within the National Park and the protected park areas provide important seed stock for the replenishment of fished populations. 271:
experienced an overall upward trajectory in sedimentation rates over the last 120 years with distinct peaks in the 1960s and in 2010. The increased sedimentation rates are largely a result of a complex interaction between increased upstream soil erosion following land cover changes and natural rainfall fluctuations.
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Lake Manyara National Park is known for flocks of thousands flamingos that feed along the edge of the lake in the wet season. At times, there have been over an estimated 2 million individuals of various species of water birds. The following table summarizes the most numerous species, according to the
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Lake Manyara can be accessed through Lake Manyara National Park. With an entrance gate that doubles as an exit, the trail into the park is effectively a loop that can be traversed by jeep within a few hours. The trails goes through forests shrublands and marsh, before reaching the shore of the lake.
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Lake Manyara has a catchment area of about 18,372 km with elevations between 938 m and 3633 m above sea level. The lake is in a closed basin with no outflow, wherein water is only lost by evaporation. It is fed by underground springs, but the vast majority of the inflow comes from rainwater fed
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word "emanyara", which is the spiky, protective enclosure around a family homestead (boma). Possibly the 600 m high rift escarpment hems in the lake, like the enclosure around a Maasai boma. Another theory is that the Mbugwe tribe, who live in the Lake Manyara area, may have given the lake its name
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Lake Manyara is partly protected within the Lake Manyara National Park and is one of the seven Tanzanian, UNESCO Man and Biosphere reserves. The wider Lake Manyara basin social-ecological system suffers from multiple environmental problems due to unsustainable land and water use. Lake Manyara has
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From the nearby town of Mto wa Mbu, through the Cultural Tourism Programme, it is possible to organize a canoe trip on the lake, or a fishing trip to learn traditional fishing methods. Bicycle trips to the east shore of the lake can also be arranged.
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The main fish species inhabiting the lake are catfish and tilapia. There is a small fishery, but fish only tend to be found near the inflow areas, where salt concentrations are lower. Lake Manyara is the type locality for the endangered fish
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and is the seventh-largest lake of Tanzania by surface area, at 470-square-kilometre (180 sq mi). It is a shallow, alkaline lake in the Natron-Manyara-Balangida branch of the
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Foster, A. and C. Ebinger and E. Mbede and D. Rex (August 1997). "Tectonic development of the northern Tanzanian sector of the East African Rift System".
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Wynants, Maarten (2018-09-01). "Pinpointing areas of increased soil erosion risk following land cover change in the Lake Manyara catchment, Tanzania".
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Wynants, Maarten (2020-05-15). "Determining tributary sources of increased sedimentation in East-African Rift Lakes".
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Bayona, J.D.R. 2006. Oreochromis amphimelas. The IUCN Red List of Threatened Species 2006: e.T60629A12388607.
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There are differing explanations for how Lake Manyara got its name. The name Manyara may come from the
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BirdLife International (2019) Important Bird Areas factsheet: Lake Manyara. Downloaded from
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Map of the Manyara hydrological basin (solid black line) (adapted from Bachofer et al. 2014)
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based on the Mbugwe word manyero, meaning a trough or place where animals drink water.
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Hughes, R. H.; Hughes, J. S. (1992). A directory of African wetlands. UNEP. p. 255.
218: 1138: 919: 885: 1237: 1212: 1207: 245:, established in 1981 by UNESCO as part of its Man and the Biosphere Programme. 1242: 1222: 1217: 1021: 1090: 735: 237:. The northwest quadrant of the lake (about 200 sq, km.) is included within 110: 97: 1227: 140: 136: 978: 927: 274: 206: 230: 132: 81: 1081: 148: 1071: 1054: 1030: 855: 830: 1002:
International Journal of Applied Earth Observation and Geoinformation
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Lake Manyara at Tanzania Tourist Board (a government tourism agency)
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Bachofer, Felix; Quénéhervé, Geraldine; Märker, Michael (2014).
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https://doi.org/10.2305/IUCN.UK.2006.RLTS.T60629A12388607.en
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The Rift Valley escarpment provides a spectacular backdrop.
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Simba River (from the north), Makayuni River (from the east)
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Deus, Dorothea; Richard Gloaguen and Peter Krause (2013).
709:"Source book for the inland fisheries of Africa vol. 1" 196: 188: 178: 170: 162: 158: 146: 126: 87: 69: 21: 761:"Lake Manyara National Park — - Tanzania Tourism" 88: 784:"Lake Manyara". UNESCO. Retrieved 16 June 2016. 1176: 8: 868: 866: 703: 701: 699: 697: 1183: 1169: 1161: 824: 822: 820: 818: 18: 1080: 1070: 1029: 899:Janssens de Bisthoven, Luc (2020-08-01). 854: 210:Lake Manyara, the cliff after the sunset. 880: 878: 309: 273: 16:Alkaline lake in Arusha Region, Tanzania 693: 33:Overlook of Lake Manyara National Park. 795:"Tanzania, Lake Manyara National Park" 755: 753: 1284:Saline lakes of the Great Rift Valley 7: 51: 908:Journal of Environmental Management 184:181.5 sq mi (470 km) 217:also known as Lake Moya among the 14: 724:Journal of the Geological Society 1309:Important Bird Areas of Tanzania 951:Science of the Total Environment 668:1,000,000-2,499,999 individuals 50: 43: 27: 1135:mtoculturalprogramme.tripod.com 971:10.1016/j.scitotenv.2020.137266 195: 187: 177: 169: 161: 1304:Biosphere reserves of Tanzania 1107:. Downloaded on 24 April 2019. 316:Current IUCN Red List Category 243:Lake Manyara Biosphere Reserve 1: 920:10.1016/j.jenvman.2020.110594 68: 200:1,045 m (3,428 ft) 174:15 km (9.3 mi) max 1294:Geography of Manyara Region 166:40 km (25 mi) max 1325: 656:Species group - waterbirds 239:Lake Manyara National Park 1289:Endorheic lakes of Africa 1198: 1022:10.1016/j.jag.2018.05.008 610:Common Gull-billed Tern ( 307:factsheet: Lake Manyara. 38: 26: 736:10.1144/gsjgs.154.4.0689 493:Chestnut-banded Plover ( 1118:http://www.birdlife.org 192:3.7 m (12 ft) 636:Chlidonias leucopterus 473:Recurvirostra avosetta 396:1,900,000 individuals 291:Oreochromis amphimelas 279: 266:Threats and protection 241:and it is part of the 211: 675:Visiting Lake Manyara 450:Himantopus himantopus 427:Pelecanus onocrotalus 424:Great White Pelican ( 401:Yellow-billed Stork ( 358:Phoenicopterus roseus 277: 221:is a lake located in 209: 519:Charadrius asiaticus 447:Black-winged stilt ( 442:200,000 individuals 305:Important Bird Areas 1014:2018IJAEO..71....1W 963:2020ScTEn.717m7266W 847:2013RemS....5.1651D 633:White-winged Tern ( 581:78,675 individuals 557:45,486 individuals 496:Charadrius pallidus 381:Phoeniconaias minor 373:40,000 individuals 332:Northern Shoveler ( 325:Population estimate 322:Year(s) of estimate 257:Hydrology and basin 107: /  809:"Maana ya Manyara" 651:3,283 individuals 628:1,566 individuals 605:2,441 individuals 590:Tringa stagnatilis 534:3,302 individuals 488:4,940 individuals 465:8,367 individuals 419:1,020 individuals 355:Greater Flamingo ( 350:4,650 individuals 280: 212: 1279:Lakes of Tanzania 1261: 1260: 1192:Lakes of Tanzania 1072:10.3390/rs6032195 856:10.3390/rs5041651 672: 671: 378:Lesser Flamingo ( 235:East African Rift 204: 203: 197:Surface elevation 1316: 1185: 1178: 1171: 1162: 1143: 1142: 1137:. Archived from 1127: 1121: 1114: 1108: 1101: 1095: 1094: 1084: 1074: 1065:(3): 2195–2212. 1050: 1044: 1043: 1033: 997: 991: 990: 946: 940: 939: 905: 896: 890: 889: 882: 873: 870: 861: 860: 858: 841:(4): 1651–1680. 826: 813: 812: 805: 799: 798: 791: 785: 782: 776: 775: 773: 772: 763:. Archived from 757: 748: 747: 719: 713: 712: 705: 586:Marsh Sandpiper 516:Caspian Plover ( 511:619 individuals 335:Spatula clypeata 310: 223:Monduli District 150: 122: 121: 119: 118: 117: 112: 111:3.583°S 35.833°E 108: 105: 104: 103: 100: 90: 74:Monduli District 54: 53: 47: 31: 19: 1324: 1323: 1319: 1318: 1317: 1315: 1314: 1313: 1299:Babati District 1264: 1263: 1262: 1257: 1194: 1189: 1152: 1147: 1146: 1129: 1128: 1124: 1115: 1111: 1102: 1098: 1052: 1051: 1047: 999: 998: 994: 948: 947: 943: 903: 898: 897: 893: 884: 883: 876: 871: 864: 828: 827: 816: 807: 806: 802: 793: 792: 788: 783: 779: 770: 768: 759: 758: 751: 721: 720: 716: 707: 706: 695: 690: 677: 613:Sterna nilotica 566:Calidris minuta 542:Calidris pugnax 300: 285: 268: 259: 149:Primary inflows 115: 113: 109: 106: 101: 98: 96: 94: 93: 65: 64: 63: 62: 61: 60: 59: 55: 34: 17: 12: 11: 5: 1322: 1320: 1312: 1311: 1306: 1301: 1296: 1291: 1286: 1281: 1276: 1266: 1265: 1259: 1258: 1256: 1255: 1250: 1245: 1240: 1235: 1230: 1225: 1220: 1215: 1210: 1205: 1199: 1196: 1195: 1190: 1188: 1187: 1180: 1173: 1165: 1159: 1158: 1151: 1150:External links 1148: 1145: 1144: 1141:on 2018-01-31. 1122: 1109: 1096: 1059:Remote Sensing 1045: 992: 941: 891: 874: 862: 835:Remote Sensing 814: 800: 786: 777: 749: 730:(4): 689–700. 714: 692: 691: 689: 686: 676: 673: 670: 669: 666: 663: 660: 657: 653: 652: 649: 646: 643: 640: 630: 629: 626: 623: 620: 617: 607: 606: 603: 600: 597: 594: 583: 582: 579: 576: 573: 570: 559: 558: 555: 552: 549: 546: 536: 535: 532: 529: 526: 523: 513: 512: 509: 506: 503: 500: 490: 489: 486: 483: 480: 477: 467: 466: 463: 460: 457: 454: 444: 443: 440: 437: 434: 431: 421: 420: 417: 414: 411: 408: 398: 397: 394: 391: 388: 385: 375: 374: 371: 368: 365: 362: 352: 351: 348: 345: 342: 339: 329: 328: 326: 323: 320: 317: 314: 299: 296: 284: 281: 267: 264: 258: 255: 202: 201: 198: 194: 193: 190: 186: 185: 182: 176: 175: 172: 168: 167: 164: 160: 159: 156: 155: 152: 144: 143: 130: 124: 123: 116:-3.583; 35.833 91: 85: 84: 71: 67: 66: 57: 56: 49: 48: 42: 41: 40: 39: 36: 35: 32: 24: 23: 15: 13: 10: 9: 6: 4: 3: 2: 1321: 1310: 1307: 1305: 1302: 1300: 1297: 1295: 1292: 1290: 1287: 1285: 1282: 1280: 1277: 1275: 1272: 1271: 1269: 1254: 1251: 1249: 1246: 1244: 1241: 1239: 1236: 1234: 1231: 1229: 1226: 1224: 1221: 1219: 1216: 1214: 1211: 1209: 1206: 1204: 1201: 1200: 1197: 1193: 1186: 1181: 1179: 1174: 1172: 1167: 1166: 1163: 1157: 1154: 1153: 1149: 1140: 1136: 1132: 1126: 1123: 1120:on 24/04/2019 1119: 1113: 1110: 1106: 1100: 1097: 1092: 1088: 1083: 1078: 1073: 1068: 1064: 1060: 1056: 1049: 1046: 1041: 1037: 1032: 1027: 1023: 1019: 1015: 1011: 1007: 1003: 996: 993: 988: 984: 980: 976: 972: 968: 964: 960: 956: 952: 945: 942: 937: 933: 929: 925: 921: 917: 913: 909: 902: 895: 892: 887: 881: 879: 875: 869: 867: 863: 857: 852: 848: 844: 840: 836: 832: 825: 823: 821: 819: 815: 810: 804: 801: 796: 790: 787: 781: 778: 767:on 2022-01-27 766: 762: 756: 754: 750: 745: 741: 737: 733: 729: 725: 718: 715: 710: 704: 702: 700: 698: 694: 687: 685: 681: 674: 667: 664: 661: 658: 655: 654: 650: 647: 644: 641: 638: 637: 632: 631: 627: 624: 621: 618: 615: 614: 609: 608: 604: 601: 598: 595: 593: 591: 585: 584: 580: 577: 574: 571: 569: 567: 562:Little Stint 561: 560: 556: 553: 550: 547: 544: 543: 538: 537: 533: 530: 527: 524: 521: 520: 515: 514: 510: 507: 504: 501: 498: 497: 492: 491: 487: 484: 481: 478: 475: 474: 470:Pied Avocet ( 469: 468: 464: 461: 458: 455: 452: 451: 446: 445: 441: 438: 435: 432: 429: 428: 423: 422: 418: 415: 412: 409: 406: 405: 404:Mycteria ibis 400: 399: 395: 392: 389: 386: 383: 382: 377: 376: 372: 369: 366: 363: 360: 359: 354: 353: 349: 346: 343: 340: 337: 336: 331: 330: 327: 324: 321: 318: 315: 312: 311: 308: 306: 297: 295: 293: 292: 282: 276: 272: 265: 263: 256: 254: 251: 246: 244: 240: 236: 232: 228: 227:Arusha Region 224: 220: 216: 208: 199: 191: 183: 181: 173: 165: 157: 153: 151: 145: 142: 138: 134: 131: 129: 125: 120: 92: 86: 83: 79: 78:Arusha Region 75: 72: 46: 37: 30: 25: 20: 1274:Lake Manyara 1232: 1139:the original 1134: 1125: 1112: 1099: 1062: 1058: 1048: 1005: 1001: 995: 954: 950: 944: 911: 907: 894: 838: 834: 803: 789: 780: 769:. 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FAO. 645:winter 622:winter 599:winter 575:winter 551:winter 539:Ruff ( 528:winter 344:winter 319:Season 250:Maasai 133:Saline 99:3°35′S 1243:Rukwa 1223:Eyasi 1218:Chala 1036:S2CID 983:S2CID 932:S2CID 904:(PDF) 740:S2CID 298:Birds 1228:Jipe 1087:ISSN 975:PMID 924:PMID 648:1995 625:1995 602:1995 578:1995 554:1995 531:1995 508:1995 485:1995 462:1995 439:1991 416:1995 393:1991 347:1995 283:Fish 1077:hdl 1067:doi 1026:hdl 1018:doi 967:doi 955:717 916:doi 912:267 851:doi 732:doi 728:154 659:n/a 364:ELC 225:of 1270:: 1133:. 1085:. 1075:. 1061:. 1057:. 1034:. 1024:. 1016:. 1006:71 1004:. 981:. 973:. 965:. 953:. 930:. 922:. 910:. 906:. 877:^ 865:^ 849:. 837:. 833:. 817:^ 752:^ 738:. 726:. 696:^ 642:LC 619:NR 596:LC 572:LC 548:LC 525:LC 502:NT 479:LC 456:NR 433:LC 410:LC 387:NT 341:LC 229:, 139:, 135:, 80:, 76:, 1184:e 1177:t 1170:v 1093:. 1079:: 1069:: 1063:6 1042:. 1028:: 1020:: 1012:: 989:. 969:: 961:: 938:. 918:: 888:. 859:. 853:: 845:: 839:5 811:. 797:. 774:. 746:. 734:: 639:) 616:) 592:) 588:( 568:) 564:( 545:) 522:) 499:) 476:) 453:) 430:) 407:) 384:) 370:- 361:) 338:)

Index

Large lake into horizon center and left, forested cliffs to right, forest in foreground.
Located in Northern Tanzania.
Monduli District
Arusha Region
Tanzania
3°35′S 35°50′E / 3.583°S 35.833°E / -3.583; 35.833
Lake type
Saline
alkaline
endorheic
Primary inflows
Surface area
Lake Manyara, the shores and cliff after dusk.
Iraqw people
Monduli District
Arusha Region
Tanzania
East African Rift
Lake Manyara National Park
Lake Manyara Biosphere Reserve
Maasai

Oreochromis amphimelas
Important Bird Areas
Spatula clypeata
Phoenicopterus roseus
Phoeniconaias minor
Mycteria ibis
Pelecanus onocrotalus
Himantopus himantopus

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