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  • Subject Environment - Cook Islands
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  • Subject Protected areas - Oceania - Pacific
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Post-Tsunami assessment of Zinoa marine conservation area, South Choiseul, Solomon Islands
Biodiversity Conservation
Available Online

Hamilton Richard, Ramohia Peter, Hughes Alec, Siota Catherine, etc

2007
The waters surrounding Choiseul contain some of the highest diversities of coral and reef fish in the world, with the 2004 Solomon Island Marine Assessment showing that the Solomon Islands are part of the global centre for marine diversity known as the Coral Triangle. Other countries that make up the Coral Triangle are Indonesia, Philippines, parts of Malaysia, East Timor and Papua New Guinea. Since 2004 The Nature Conservancy (TNC), the Lauru Land Conference of Tribal Community (LLCTC) and Choiseul provincial fisheries have assisted five local communities around Choiseul in their efforts to establish Marine Conservation Areas (MCA) on their traditional reefs. The first MCA to be established was the Zinoa MCA. Zinoa is located on the south-west side of Choiseul in the Solomon Islands. The Zinoa MCA was established by traditional leaders in November 2004, covering 150 hectares and consisting of two islands and associated reefs that occur approximately one kilometre offshore from Voza village on the Choiseul mainland. The reefs around Zinoa Islands are representative of this region of the South coast of Choiseul. In early 2005 sea cucumbers, trochus and giant clams around Zinoa Islands were reported by traditional reef owners to be only a tiny fraction of their former abundance and food fish populations were also reported to be in decline.
Conservation of kakerori (Pomarea dimidiata) in the Cook Islands in 2005/06
BRB
Available Online

Robertson Hugh A

,

Saul Edward K

2007
In 1989, the kakerori (Pomarea dimidiata) was one of the ten rarest bird species in the world, with a declining population of just 29 birds in the Takitumu Conservation Area (TCA) of southeastern Rarotonga. As a result of conservation management, the kakerori population rebounded, with up to 300 birds being recorded on Rarotonga and Atiu in 2004/05. The southern Cook Islands was, however, hit by five tropical cyclones over a 4-week period in February–March 2005, and much of the forest on exposed faces, spurs and ridges (traditional kakerori habitat) was severely damaged. The population survived remarkably well, with a minimum of 274 adults known to be alive in the TCA in August 2005. An additional 17 adults were found on Atiu between August 2005 and March 2006. The main\ casualties of the cyclones on Rarotonga appeared to be young birds (1–3 years old) and very old birds (> 20 years old). Because the population on Rarotonga remained well within the management target of 250–300 individuals, rat poisoning was again done fortnightly, as in the previous 2 years. Breeding productivity was exceptionally poor in 2005/06, mainly because of nesting failures or early fledgling deaths caused by abnormally wet conditions during the main fledging periods. Nests were more exposed to the elements because the cyclones had extensively defoliated the canopy. Furthermore, rats were often seen foraging during the day, apparently struggling to find food (few trees were fruiting). Only 22 fledglings were definitely seen in 2005/06; however, some territories were not checked or poorly checked during the breeding season, and some fledglings may have dispersed to better vegetated sites. We recommend that rat control should return to the weekly poisoning regime used during the 1989–2001 recovery phase of the kakerori management programme if the August 2006 census reveals that the population has fallen below 220 birds (a 20% decline from pre-cyclone levels). Otherwise the regime of the sustainable management phase (fortnightly poisoning) should continue.