Lake Mantasoa is a large artificial lake with a surface area of 20.05 km2 (7.74 mi2), 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 temperature reaches up to between 13–22 degrees in winter.
| Lake Mantasoa | |
|---|---|
 Sunrise on 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 mi2) |
Surface elevation | 1,397 metres (4,583 ft) |
| 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
editIt 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.
- 1 2 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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