St. Joseph Atoll

Saint Joseph Atoll wani ɓangare ne na ƙungiyar Tsibirin Amirante, waɗanda ke cikin tsibiran murjani na Tsibiran Seychelles da ƙasar. Atoll ɗin yana kudu maso yammacin tarin duwatsu masu daraja na Inner Seychelles, tare da nisan mil 248. kilomita kudu da Victoria, Seychelles . Tarihi An gano tarin atom ɗin a shekarar 1770 ta hannun matuƙan jiragen ruwa na Turai. Atola mai zaman kansa A shekarar 1960, tsibirin ya zama mallakar wani dangin Seychelles, waɗanda suka gina gonar kwakwa a babban tsibirin St. Joseph. Kare yanayi A watan Agusta na 2012 an bayyana cewa an sayar da toll ɗin, tare da D'Arros Island, akan dala miliyan 60, don a kula da shi ta hanyar Gidauniyar Save Our Seas . Yanayin ƙasa Saint Joseph Atoll yana da nisan 2.3 kilometres (1.4 mi) gabas da gabashin Tsibirin D'Arros, amma yanki ne daban na ƙasa, wanda ya raba da 60–62 metres (197–203 ft) zurfin ruwa na tsawon 1 kilometre (0.62 mi) babban hanyar sadarwa, wadda ta fi zurfi fiye da yawancin Bankin Amirantes. Yankin ƙasar Atoll ya mamaye 1.21 square kilometres (0.47 sq mi) . Babban tsibirin Saint Joseph yana da siffar wata mai siffar murjani, mai faɗi da yashi mai launin shuɗi, 2.2 kilometres (1.4 mi) tsayi kuma tare da matsakaicin 0.4 kilometres (0.25 mi) faɗi, kuma babu inda ya fi 3 metres (9.8 ft) . Tsawon bishiyoyin yana da kimanin mita 24. Gefen teku masu launin murjani Atoll yana tsaye a kan wani yanki mai kama da murjani mai kama da juna, tare da matsakaicin girmansa na 6.6 kilometres (4.1 mi) da 4.4 kilometres (2.7 mi) . Jimillar yankinsa shine 22.53 km 2, wanda 11.74 km2 ya ƙunshi faɗin gefen teku, 4.8 kilomita 2 na tafkin cikin gida, kuma 1.39 kawai kilomita 2 na faɗin ƙasar dukkan tsibiran. Zurfin 500 m an samu 1.5 kawai kilomita 1000 a gabas da gefen teku, kilomita ɗaya gaba gabas. Tafki Ruwan da ke kewaye da shi ya mamaye tafkin gaba ɗaya. A lokacin da ruwa ya yi ƙasa, yana malala a kan wani ƙaramin rami, Passe Lerein Fin, a ƙarshen yammacinsa. Ruwan yana da zurfin mita 6.4. Sauran sautin suna kama daga mita 2.1 zuwa 3.7. Baya ga faɗinsa na musamman, an rufe raƙuman ruwa na gefe (banda a gefen yamma) da yashi mai motsi. Takardun yashi masu ratsawa suna ratsa gefen tafkin a gefensa na iska, wanda aka yi masa alama da yashi mai layi mara motsi. Babu raƙuman ruwa masu girma a cikin tafkin. Manazarta