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371:). An example of species diversity is that of the Chott el Hodna, in which have been identified 550 species of plants, 119 species of birds, 10 of reptiles and 20 of mammals. Animals of conservation in this area include the vulnerable Cuvier's gazelle (
304:). This climate features stable air and high pressure aloft, producing a hot, arid desert. Hot-month temperatures typically average 29–35 °C (84–95 °F). Rainfall varies between 10–100 millimetres (0.39–3.94 in) per year.
275:(Northwestern Egypt). The "Field of Trees", Siwa is an 80 by 20 kilometres (50 mi × 12 mi) oasis fed by permanent springs. It supports agriculture—over 250,000 date palms and 30,000 olive trees by the 1980s.
263:(Northern Egypt). Salt marshes, salt pans and dry lake beds in a depression 133 metres (436 ft) below sea level, and 19,605 square kilometres (7,570 sq mi) in area. It includes the
326:
Vegetation within a site varies by soil salinity and sand tenure; these typically vary by distance from the center of a salt pan. Common species include
Picklegrass (
515:
194:(salt-tolerant). The biodiversity of the areas has been relatively protected by their isolation, and unsuitability of alkaline soil for farming.
214:. Chott and sebkha areas exist in arid regions with clay soils heavy with evaporites. Specific locations assigned to this ecoregion include:
130:
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Mountains in northeast
Algeria. It has high steppe vegetation, being at an altitude of 400 metres (1,300 ft) between mountain ranges.
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While there are some large mammals in these areas, the most common mammals are gerbils (the North
African gerbil
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186:). The plants of the areas are highly specialized to survive in the harsh environment, with many being
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235:. At 35 metres (115 ft) below sea level, it is one of the lowest points in the Sahara region.
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170:(WWF ID: PA0905) covers a series of low-lying evaporite depressions and wetlands spread across
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Over 25% of the ecoregion is officially protected. These protected areas include:
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The sites making up this ecoregion contain a wide variety of habitat types:
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255:(Southern Tunisia). Translates in English as "Lagoon of the Land of Palms".
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243:(Northeast Algeria). A saline, endoheric lake fed by runoff from the
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Kottek, M.; Grieser, J.; Beck, C.; Rudolf, B.; Rubel, F. (2006).
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174:. The depressions are characteristically saline, variously
589:"World Map of Koppen-Geiger Climate Classification Updated"
178:(saline lakes fed by groundwater and some winter rains) or
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283:ecoregion that extends across the northern Sahara.
633:
516:"Annotated list of Ramsar Sites in Algeria"
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614:"Dataset - Koppen climate classifications"
279:The site are surrounded by terrain of the
471:. Digital Observatory for Protected Areas
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94:54,031 km (20,861 sq mi)
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377:) and the vulnerable Houbara bustard (
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546:(pdf). Ramsar Convention on Wetlands
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521:(pdf). Ramsar Convention on Wetlands
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281:North Saharan steppe and woodlands
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332:), the generally subshrub genera
182:(coastal, supratidal mudflats of
291:The climate of the ecoregion is
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672:Flooded grasslands and savannas
80:Flooded grasslands and savannas
51:Ecoregion territory (in purple)
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299:Köppen climate classification
566:"Siwa - Oasis Extraordinary"
210:, reed beds, and spring-fed
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594:. Gebrüder Borntraeger 2006
496:. The Encyclopedia of Earth
421:. World Wildlife Federation
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642:Geography of North Africa
446:. Resolve, using WWF data
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16:Ecoregion in North Africa
677:Ecoregions of Mauritania
444:"Map of Ecoregions 2017"
227:). An extension of the
198:Location and description
347:Halocnemum strobilaceum
206:, seasonal salt lakes,
190:(drought-tolerant) and
350:, and White wormwood (
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657:Ecoregions of Tunisia
652:Ecoregions of Algeria
647:Palearctic ecoregions
494:"Saharan halophytics"
469:"Saharan halophytics"
419:"Saharan halophytics"
315:
380:Chlamydotis undulata
362:Gerbillus campestris
353:Artemisia herba-alba
667:Ecoregions of Egypt
662:Ecoregions of Libya
165:Saharan halophytics
142: /
22:Saharan halophytics
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294:Hot desert climate
260:Qattara Depression
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396:Chott el Djerid
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374:Gazella cuvieri
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308:Flora and fauna
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252:Chott el Djerid
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146:29.25°S 25.75°E
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338:, Saltbush (
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265:Moghra Oasis
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208:salt marshes
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172:North Africa
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572:October 30,
550:October 31,
525:October 31,
223:(Northeast
149: /
125:Coordinates
636:Categories
500:August 28,
402:References
368:Dipodillus
329:Salicornia
272:Siwa Oasis
245:Tell Atlas
192:halophytes
188:xerophytes
184:evaporites
103:Mauritania
68:Palearctic
34:Siwa Oasis
475:August 1,
425:March 21,
231:into the
204:salt pans
168:ecoregion
86:Geography
365:and the
341:Atriplex
317:Megarine
335:Salsola
321:Tunisia
319:Oasis,
287:Climate
225:Algeria
180:sabkhas
137:25°45′E
134:29°15′S
111:Tunisia
107:Algeria
99:Country
57:Ecology
233:Sahara
176:chotts
592:(PDF)
544:(PDF)
519:(PDF)
302:(BWh)
212:oases
119:Egypt
115:Libya
75:Biome
63:Realm
38:Egypt
622:2019
600:2019
574:2020
552:2020
527:2020
502:2020
477:2020
452:2019
427:2020
163:The
91:Area
383:).
356:).
344:),
638::
485:^
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297:(
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Text is available under the Creative Commons Attribution-ShareAlike License. Additional terms may apply.
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