Lake Mantasoa is a large aritifical lake with a surface area of 20.05 km2 (7.74 sq mi), created by the Mantasoa Dam on the Varahina river (an affluent of the Ikopa) in the municipality of Mantasoa, Analamanga region of Madagascar.[1] It provides immediate irrigation for Betsimitatatra paddies in Analamanga and tabbed water for the capital Antananarivo. The water temprature reaches up to between 13-22 degrees in winter.
| Lake Mantasoa | |
|---|---|
  Lake Mantasoa | |
| Location | Analamanga region, Madagascar |
| Coordinates | 19°01′15″S 47°51′36″E / 19.0208°S 47.8599°E |
| Type | reservoir |
| River sources | Varahina river |
| Built | 1936 |
| Surface area | 20 km2 (7.7 sq mi) |
| Surface elevation | 1397 m |
| Settlements | Mantasoa |
The lake's lack of basal microfauna and ferruginous soil provides clear water.[2]
The area prior had been previously researched by Johann Maria Hildebrandt who collected fossils and fauna samples there in middle of 1880.[3]
It is home to one of only two sturgeon farms in the Southern Hemisphere beside the Rio Negro in Uruguay.[2]
Geography edit
It is situated at 68km east of Antananarivo. The lake is located at an altitude of 1,400 metres.
References edit
- ^ "Lake Mantasoa". Madonline.com. Retrieved 2017-08-21.
- ^ a b Merlot, Roxane (2 May 2022). "Quand le caviar vient de Madagascar : un produit de luxe dans l'un des pays les plus pauvres du monde". GEO (in French).
- ^ Beentje, H. J. (1998). "J. M. Hildebrandt (1847 - 1881): Notes on His Travels and Plant Collections". Kew Bulletin. 53 (4): 849. doi:10.2307/4118872.
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