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Menai Bay (''Ghuba ya Menai'', in
Swahili Swahili may refer to: * Swahili language, a Bantu language officially used in Tanzania, Kenya and Uganda and widely spoken in the African Great Lakes. * Swahili people, an ethnic group in East Africa. * Swahili culture, the culture of the Swahili p ...
) is a
bay A bay is a recessed, coastal body of water that directly connects to a larger main body of water, such as an ocean, a lake, or another bay. A large bay is usually called a ''gulf'', ''sea'', ''sound'', or ''bight''. A ''cove'' is a small, ci ...
in
Mkinga District Mkinga District, officially the, Mkinga District Council (''Wilaya ya Mkinga'', in Swahili) is one of eleven administrative districts of Tanga Region in Tanzania. It was created from Muheza District in 2007. The District covers an area of . The ...
of
Mjini Magharibi Region Mjini Magharibi Region, Zanzibar Urban West Region or West Zanzibar Region (''Mkoa wa Mjini Magharibi'' in Swahili) is one of the 31 regions of Tanzania. The region covers an area of . The region is located entirely on the island of Zanzibar and ...
of
Tanzania Tanzania, officially the United Republic of Tanzania, is a country in East Africa within the African Great Lakes region. It is bordered by Uganda to the northwest; Kenya to the northeast; the Indian Ocean to the east; Mozambique and Malawi to t ...
. The bay is geographically part of the
Zanzibar Archipelago Zanzibar is a Tanzanian archipelago off the coast of East Africa. It is located in the Indian Ocean, and consists of many small islands and two large ones: Unguja (the main island, referred to informally as Zanzibar) and Pemba Island. The c ...
.


Geography

It is a 10 km wide
bay A bay is a recessed, coastal body of water that directly connects to a larger main body of water, such as an ocean, a lake, or another bay. A large bay is usually called a ''gulf'', ''sea'', ''sound'', or ''bight''. A ''cove'' is a small, ci ...
on the
Zanzibar Channel The Zanzibar Channel is a strait in south-eastern Africa, separating the island of Unguja (also known as Zanzibar) from mainland Tanzania. The channel is 120 km long and 29–37 km wide, with depth varying from a few dozen metres (in the ...
of the Western
Indian Ocean The Indian Ocean is the third-largest of the world's five oceanic divisions, covering or approximately 20% of the water area of Earth#Surface, Earth's surface. It is bounded by Asia to the north, Africa to the west and Australia (continent), ...
.
GoogleEarth Google Earth is a web mapping, web and computer program created by Google that renders a 3D computer graphics, 3D representation of Earth based primarily on satellite imagery. The program maps the Earth by superimposition, superimposing satelli ...
The long coastline of Menai Bay has nineteen villages, with a total population of around 17,000. The villages are within the
Unguja South Region Unguja South Region, Zanzibar South Region or South Zanzibar Region (''Mkoa wa Unguja Kusini'' in Swahili) is one of the 31 regions of Tanzania. The region covers an area of . The region is comparable in size to the combined land area of the nat ...
of
Zanzibar Zanzibar is a Tanzanian archipelago off the coast of East Africa. It is located in the Indian Ocean, and consists of many small Island, islands and two large ones: Unguja (the main island, referred to informally as Zanzibar) and Pemba Island. ...
. The
Menai Bay Conservation Area The Menai Bay Conservation Area (MBCA) is located in Menai Bay, Zanzibar Tanzania. At , it is Zanzibar's largest marine protected area. It was officially established as a conservation area in August 1997 in the traditional fishing area, known as U ...
(MBCA) is a
marine reserve A marine reserve is a type of marine protected area (MPA). An MPA is a section of the ocean where a government has placed limits on human activity. A marine reserve is a marine protected area in which removing or destroying natural or cultural ...
protecting the habitats and biota of the bay area.


Mangrove degradation

The
mangroves A mangrove is a shrub or tree that grows mainly in coastal saline or brackish water. Mangroves grow in an equatorial climate, typically along coastlines and tidal rivers. They have particular adaptations to take in extra oxygen and remove sal ...
in Menai Bay that are closest to settlements like Unguja Ukuu, Pete, and Uzi are losing the most of their natural state. Therefore, the western portion of Menai has more mangrove deterioration than the eastern part. Though there are currently legal and regulatory structures in place to slow the deterioration of mangroves, the rate of degradation in Zanzibar is concerning. B. gymnorrhiza, R. mucronata, and C. tagal are the most impacted mangrove species.


Dolphins

There are eight species of delphinids in the vicinity of Zanzibar; however, the only two that live year-round in the Menai Bay Conservation Area (MBCA), which is situated off the southwest coast of Unguja Island, are the
Indo-Pacific bottlenose dolphin The Indo-Pacific bottlenose dolphin (''Tursiops aduncus'') is a species of bottlenose dolphin. This dolphin grows to long, and weighs up to . It lives in the waters around India, northern Australia, South China, the Red Sea, and the eastern ...
(Tursiops aduncus) and the Indian Ocean humpback dolphin (Sousa plumbea). The MBCA's two dolphin species are both under peril from boat-based tourism and bycatch from fisheries. This fragility is highlighted by the low estimated population sizes of both species, 35 S. plumbea and 136 T. aduncus. However, there isn't any management in place for these species at the moment in terms of fishing or tourism. There has never been any prior study done in this field that looked into differences in distribution, occurrence, or behaviour. Furthermore, our knowledge of the effects and limitations that anthropogenic and environmental factors have on the distribution of the species is limited.Temple, Andrew J., et al. "Spatial and temporal variations in the occurrence and foraging activity of coastal dolphins in Menai Bay, Zanzibar, Tanzania." PloS one 11.3 (2016): e0148995.


References


External links


Conservation information
Bays of Tanzania Bays of the Indian Ocean Bodies of water of Zanzibar Unguja South Region {{Tanzania-geo-stub