Inhaca Island

Coordinates: 26°01′S 32°57′E / 26.017°S 32.950°E / -26.017; 32.950
Source: Wikipedia, the free encyclopedia.
Inhaca Island
Native name:
Ilha da Inhaca
Viewed by Sentinel-2 of the Copernicus Programme
Location in southern Mozambique
Geography
LocationIndian Ocean
Adjacent toMaputo Bay
Area52 km2 (20 sq mi)
Length12 km (7.5 mi)
Width7 km (4.3 mi)
Highest elevation104 m (341 ft)
Highest pointMount Inhaca
Administration
Mozambique
MunicipalityMaputo

Inhaca Island (Portuguese: Ilha da Inhaca), also known as Kanyaka island, is a subtropical island of Mozambique off the East African coast. The main village is Inhaca, situated just over a kilometer from Inhaca Airport. Various tourist lodges are situated along the northwestern coastline. The island is flanked by protected areas along the western and eastern coastlines, while the majority of the population lives in the interior.

The 52 km2 (20 sq mi) island separates Maputo Bay (Baía de Maputo) to the west from the Indian Ocean off its eastern shores. The island's irregular coastline approaches the mainland Machangulo peninsula at Ponta Torres where a 500-metre-wide (1,600 ft) tidal race separates the two headlands. In administrative terms Inhaca is a municipal district of the municipality of Maputo, while the Machangulo peninsula is included under the Lubombo Transfrontier Conservation Area and is part of the district of Matutuíne, Maputo Province.

Geographical features

The island's dimensions are approximately 12 km (n-s) by 7 km (e-w). The highest point above sea level is the 104-metre (341 ft) Mount Inhaca on the north-eastern shoreline. The south-western peninsula is known as Ponta Punduine while Ponta Torres to the south-east approaches the mainland. Two inland swamps occur at the northerly airstrip and southern Nhaquene respectively. Besides Inhaca settlement on the western shore there are five smaller villages including Inguane, Nhaquene, Ridjeni and Tobia.

History

Despite being a part of the Portuguese Mozambique until 1975, the island of Inhaca, so close to the harbour of Maputo, was occupied by the British from 1823 until the MacMahon Treaty of 24 July 1875. The British used the island (amongst many others all around Africa) to patrol and control the slave traffic in the region.[1]

Ecology

Flora

Monte Inhaca is a forested dune on the northeastern shoreline that reaches 104 m in altitude.

The island is a regular destination for ecotourists and ecological researchers. The central land area consists of cultivated fields, while grassy plains are found to the north, flanked by protected usnea-covered dune forests along the eastern and western shores. Extensive exposed mudflats fringe the western and southern shores at low tide. Mangroves cover large sections of the northern shores and southern Saco Bay.

The sub-tropical evergreen forest on the island includes the following tree species:

Galpinia transvaalica
.

Fauna

Among 160 coral species are staghorn and plate corals. There are two badly damaged pure coral reefs flanking the island's western perimeters, in very shallow water, which are supposed to be protected but in reality there is no actual control of the marine reserves.

Conspicuous fish are

seahorses. Whale sharks and manta rays
visit in summer.

Cetaceans

Although

humpback whales migrate seasonally past these shores, whale watching has never become a popular attraction here. The ocean is generally too rough and the whales too far out, while the hiring boats are too expensive for the average person. Southern right whales have become rare today,[2] though whales were historically abundant[3]
before they were wiped out by commercial and illegal hunts, including mass illegal hunts by the Soviet Union and Japan during the 1960s and 1970s.

Resident populations of the

Indian Ocean bottlenose dolphin occur in the waters around the island. The bottlenose dolphin's abundance fluctuates seasonally, increasing during the austral winter. The humpback dolphin is more sedentary, living in extremely shallow inshore areas of the western and southern coasts, and form larger groups (11-14 dolphins) than recorded elsewhere in southern Africa. Bottlenose dolphins frequent the waters of the northwestern coast, and their group size varies largely from individuals and pairs to hundreds of dolphins.[4]

Other mammals and reptiles

A very small, remaining population of

leatherbacks
) visit the eastern shores in summer to breed.

Birds

Inhaca is home to about 300 bird species, both resident and

Mongolian plover, Terek sandpiper, southern banded snake eagle, mangrove kingfisher, grey-rumped swallow and spotted ground thrush. The snake eagle, ground thrush and mangrove kingfisher are specials of the southeasterly coastal regions, besides Rudd's apalis, Neergaard's sunbird and pink-throated twinspot which are also present. The southerly Nhaquene Swamp and Saco Bay are strongholds for the sooty falcon, while Eleonora's falcon is a rare vagrant. Terns roost on the northerly Portuguese Island 25°58′31″S 32°54′38″E / 25.97528°S 32.91056°E / -25.97528; 32.91056 (Portuguese Island) and house crows
established themselves during the 1970s.

Demographics

The island has a population of around 6,000.[7]

Economics

The island has traditionally had a large fishing sector, although fish stocks have decreased in modern times. There are attempts to develop a sustainable Perna mussel aquaculture practice. Tourism also contributes to the economy.[7]

Gazetteer of landmarks and villages

Map all coordinates using OpenStreetMap

Download coordinates as:

References

  • A natural history of Inhaca Island, Mozambique by William Macnae, Margaret Kalk and J. de Koning, 1995
  • Birds of Inhaca Island, Mozambique by de Boer, W. F. and Bento, C. M., 76pp, 1999.
  1. ^ Para a História da Aliança Luso Britânica, by José be Almada, Imprensa Nacional de Lisboa, 1955, pp. 60-61
  2. ^ Banks A., Best P., Gullan A., Guissamulo A., Cockcroft V., Findlay K. (2010). "Recent Sightings of Southern Right Whales in Mozambique" (PDF). Retrieved 18 December 2014. {{cite journal}}: Cite journal requires |journal= (help)CS1 maint: multiple names: authors list (link)
  3. The Royal Society of New Zealand
    . Retrieved on December 18. 2014
  4. ^ Bandeira O. S., Silva E. P. R., Paula J., Macia A., Hernroth L., Guissamulo T. A., Gove Z. D. Marine biological research in Mozambique: past, present and future. University of Eduardo Mondlane on ResearchGate. Retrieved on December 18, 2014
  5. ^ UNESCO. Assessing potential World Heritage marine sites in the Western Indian Ocean - Marine mammals – Dugong, Whales and Dolphins. Retrieved on December 18. 2014
  6. ^ http://www.DUGONGS.ORG. SAVING ENDANGERED DUGONGS OF THE WESTERN INDIAN OCEAN Archived 2015-02-15 at the Wayback Machine. Retrieved on December 18. 2014
  7. ^ a b "A glimpse into Kanyaka Island's mussel aquaculture initiative". IW:Learn. 24 November 2023. Retrieved 27 November 2023.
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26°01′S 32°57′E / 26.017°S 32.950°E / -26.017; 32.950

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