Lakeba

Lakeba (pronounced ) is an island in Fiji’s Southern Lau Archipelago; the provincial capital of Lau is located here. The island is the tenth largest in Fiji, with a land area of nearly 60 square kilometers.Steadman (2006) It is fertile and well watered, and encircled by a 29-kilometer road. Its closest neighbors are Aiwa and Nayau. Separated by deep sea from the latter but only by shallow waters from the former, when sea levels were lower during glacial episodes Lakeba and Aiwa formed one large island.

It has a population of around 2,100 in eight villages, the most important of which is the capital Tubou which lies in the island's south. Near Tubou is the village of Levuka; not to be confused with its namesake – Fiji's old capital – Levuka on Lakeba is home to a fishing tribe whose ancestors came from Bau Island. Another significant village is Nasaqalau, located in the northern part of Lakeba.

Geography

Situated at 18.20° South and 178.80° East, Lakeba has an irregular oval shape. About 9 kilometers long and 8 kilometers wide, it is circumscribed by a total shoreline of 32 kilometers. The island, which has a maximum altitude of 219 meters, has a core of andesitic volcanic rock of Miocene age, with raised coral rock around it. The limestone lies bare in places, forming karst and – particularly on the north and north-west coasts – cliffs up to 76 meters high; the overall area taken up by bare limestone is about 4% of Lakeba's total land surface. A reforestation programme has seen the planting of Lakeba's hills (formerly partially denuded by deforestation) with Caribbean pine (''Pinus caribea'') trees.Steadman (2006), Franklin ''et al.'' (2008)

The climate of Lakeba is generally humid, with a wetter summer and a drier winter. The average annual precipitation is somewhat over 2,000 mm as measured at Tubou, but average monthly precipitation in the winter months – June, July and August – is only around 80 mm, and there can be large differences in rainfall between years.Franklin ''et al.'' (2008)

The village of Nasaqalau is noted for a number of caves, the most famous being '' Oso Nabukete,'' also known as the Pregnant Women's Cave. According to legend, a woman attempting to hide her pregnancy will not be able to escape through the mouth of the cave. It is adjoined by '' Qara Bulu,'' once used as a prison in times of tribal war. A third cave, '' Koro ni Vono,'' was once used as a place of banishment for tuberculosis patients, who were left there to die. Other notable caves include the Tubou Cave, of interest to geologists, and '' Qara ni Puka'' where many remains of extinct birds have been found.

History and culture

Lakeba is known as a chiefly island, being the home island of the chiefly Vuanirewa clan, which is based in Tubou. The head of this clan takes the title of '' Tui Nayau'', and is the Paramount Chief of the Lau Islands. The last ''Tui Nayau'' was Ratu Sir Kamisese Mara (1920–2004); he was the first Prime Minister of Fiji and second President of Fiji, and the most durable figure of Fijian politics for more than three decades.

Ratu Mara is buried in the village of Tubou, as are Enele Ma'afu (1816–1881) – a Tongan-Fijian warlord who conquered much of Fiji in the 19th century – and Fiji's first modern statesman Ratu Sir Lala Sukuna (1888–1958).

Lakeba lies on a historical faultline between Fiji and Tonga, and Tongan influence is seen in many aspects of Lakeban culture. Lakeban architecture features rounded houses rather than the square-ended ones elsewhere in Fiji. The Lakeban dialect of Fijian also shows Tongan influence. Tongan hymns are popular in '' polotu'' (an evening church service), and Tongan clothing styles are reflected in the mats tied around the waist on formal occasions. Tongan traditional dances called '' lakalaka'' are also popular.

Archaeological excavations in the 1990s discovered a massive fortress, built around a thousand years ago. Large enough to house 2,500 people (more than the total population of the island), the fortress is believed to have been built as a bulwark against Tongan invaders.

The inhabitants of Nasaqalau are famous for the ability of one of their clans to call sharks from the sea. This clan originated in the village of Wainikeli on the island of Taveuni.

On Lakeba was born famous chief Delailoa, son of Kalouyalewa, who went on Lakeba.

Economy

Copra production is the most important economic activity on Lakeba. There is also a coconut mill four kilometers outside Tubou. Tourism is of lesser importance in Lakeba than in some other parts of Fiji.

Ecology

Due to the extensive and long-lasting settlement, the original ecosystem on Lakeba has been strongly altered. Terrestrial mammals, not originally native, have been introduces as livestock or stowaways, and today the island has horses, pigs, cattle, dogs, cats, and Polynesian (''Rattus exulans'') as well as black rats (''R. rattus'').

Birds

Among land birds, bird species disappeared from Lakeba in prehistoric times, probably after the upland forests were largely cleared away; introduced rats as well as hunting probably also contributed to their demise. Others managed to adapt to the alteration of habitat by humans, though they are generally not as common as on Aiwa where there has been no significant deforestation. For the most part, the avifauna of Lakeba is more similar to that of Samoa and Tonga than to that of the main group of Fiji. Quite commonly seen are the white-rumped swiftlet (''Collocalia spodiopygia''), Polynesian starling, (''Aplonis tabuensis'', either the West Fijian subspecies ''vitiensis'' or the subspecies ''tabuensis'' from the southern Lau group and Tonga), Vanikoro flycatcher (''Myiagra vanikorensis''), and the slaty monarch (''Mayrornis lessoni'') which is endemic to Fiji. Two honeyeaters, the endemic orange-breasted myzomela (''Myzomela jugularis'') and the widespread eastern wattled honeyeater (''Foulehaio carunculatus carunculatus''), have adapted well to human settlement and are rather common in the coconut plantations. The collared lory (''Phigys solitarius''), endemic to Fiji in modern times, also frequents this habitat, but is a rather rare species on Lakeba.

At least three species formerly found on Lakeba are now completely extinct: the Lakeba imperial pigeon ('' Ducula lakeba'') might also have occurred on Viti Levu and perhaps on the Tongan islands of ʻEua, Foa and Lifuka. If so, it probably was generally widespread in western Polynesia, but until now it is only known with certainty from Lakeba and Aiwa. A hitherto undescribed ''Gallirallus'' rail also inhabited Lakeba and Aiwa in the past; as this bird was flightless it represents an endemic species. The consumed scrubfowl ('' Megapodius alimentum''), a species rather widely distributed throughout Fiji and Tonga, also occurred on Lakeba and Aiwa in the past; as scrubfowl were widely transported across islands by settlers, this species might have been brought here by humans, but altogether this is not too likely.

However, on Aiwa a single bone was found, probably referrable either to the Viti Levu scrubfowl (''M. amissus'') or the pile-builder megapode (''M. molistructor''); the latter species occurred on Tonga and New Caledonia, while the former, which lived on Viti Levu and perhaps Kadavu of the western group of Fiji, possibly survived to modern times. Considering that only one bone was found and that ''M. alimentum'' was numerous on Lakeba and presumably also Aiwa, it may well be that the second ''Megapodius'' species was indeed imported as food by Polynesians and never had a self-sustaining population; in that regard it may be noted that unlike ''M. alimentum'', ''M. amissus'' was a weak flier or even flightless. Parrot bones found on Lakeba might be of the Oceanic eclectus parrot (''Eclectus infectus''); biogeography suggests that this species was formerly native to at least some islands in Fiji, as it occurred on Tonga to the east and Vanuatu to the west. In addition, there remains a batch of songbird bones from several species that have not been identified; these might be of birds not found on Lakeba anymore but it is not too likely that they contain any entirely extinct forms.

Also found on Aiwa was a single bone of a '' Porzana'' rail. Apparently this was yet another distinct species, and if so it is likely to have occurred on Lakeba too. But until more material turns up and is studied, nothing can be said with certainty, particularly in respect of the fact that the white-browed crake (''P. cinerea'') and the spotless crake (''P. tabuensis'') formerly occurred on Lakeba. Finally, a single bone of the striated heron (''Butorides striata'') was found on Lakeba; the species does not occur there today, but unless more bones are found it is not sure that it had a self-sustaining population on this island rather than being merely an occasional visitor. Peale's imperial pigeon (''Ducula latrans''), the Southwest Pacific peregrine falcon (''Falco peregrinus nesiotes'') and the Fiji shrikebill (''Clytorhynchus vitiensis'') breed on much smaller Aiwa but not on Lakeba; though no bones of these species have been found here to date, it is likely that they formerly occurred on Lakeba too.

Plants

The former upland forest was largely cleared after the initial settlement to make room for agriculture; only about of it remain. A total 40% of Lakeba's surface is used for cultivation of Caribbean pine (''Pinus caribaea''), the rare cycad ("sago palm") '' Cycas seemannii'', coconut palms ('' Cocos nucifera'') and other crops. The remaining vegetation of Lakeba is dominated by dicots; it can be classified as follows, progressing from the peak to the shore:
* Upland forest on volcanic soil. Little remains today, mostly in ravines. Contains such species as ''Alyxia stellata'', '' Alphitonia zizyphoides'', '' Barringtonia edulis'', '' Dysoxylum richii'', '' Ficus scabra'', '' Grewia crenata'', ''Micromelum minutum'', '' Pittosporum arborescens'', '' Vavaea amicorum'', and '' Geissois ternata'' which is only found on volcanic soils.
* ''talasiga'' grassland and scrub. This is a plant community that contains mainly herbaceous and small woody species; it grows where forest had been cleared away in the past. In locations that have suffered much erosion it persists; elsewhere it is gradually being replaced with forest again. Dominant plant species are ''Dicranopteris linearis'', Hopseed (''Dodonaea viscosa''), ''Pandanus tectorius'' and ''Pteridium esculentum''; grasses include ''Bothriochloa bladhii'', '' Brachiaria subquadripara'', Southern Sandbur (''Cenchrus echinatus

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