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  • Author MNRE
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  • Material Type Environmental Impact Assessment
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Samoan Environment Forum: proceedings of the 2005 National Environment Forum|The fact-or-myth of Samoan cultural heritage: personal reflections on family oral history / Tu'u'u Ieti Taule'alo|Samoan and Japan: concerns over mangroves development / Juliet Boon-Nanai|Status of hawksbill turtle nesting in Samoa, 2003/2004 / Mauigoa Lui Bell, Malama S. Momoemausu, Juney Ward & Malaki Iakopo|Participatory approaches for environmental initiatives - community consultation in Samoa / Natalie Mitchell|Emotional intelligence, management concept: a contributing factor for effective service delivery / Mulipola Ausetalia Titimaea|Tropical cyclone forecasting: theory and practical application - case study of tropical cyclone Olaf 2005 / Sala Sagato Tuiafiso|Samoa and the World Heritage Convention - is Samoa ready for world heritage listing / Tuiolo Schuster|Exploring the status of tsunami early warning systems in Samoa / Shaun P. Williams & Aliimalemanu F.M. Leavasa|Determination of a mean daily discharge values for Faleaseela River: implications for population water demand / Masina Nagau Chun, Iosefatu Eti & Mulipola A. Titimaea
Available Online

MNRE

2006
The community based conservation (CBC)paradigm predicts that sustainable biodiversity can only be achieved if local people perceive benefits from conservation. Through interviews, the situation in Samoa portrays that the CBC of mangroves was received with apprehension because the mangrove biodiversity was more significant than sustaining the livelihood of the local communities. In contrast, Iriomote Island residents were able to achieve maximum socio-economic benefits but to the extent that they were over commercializing the mangrove ecosystem. More research is imperative to find out how biodiversity conservation can be married with sustainable development objectives to sustain the local communities' livelihood.
Investigations on the soft bottom benthos in a Southwest Pacific atoll lagoon (Uvea, New Caledonia)
Biodiversity Conservation
Available Online

Chevillon Christophe

,

Clavier Jacques

,

Garrigue Claire

1998
Microbenthos and macrobenthos were quantitatively studied at 62 stations distributed regularly over the Uvea Atoll lagoon (850 km2). Sampling was performed using both SCUBA and a 0.1 m2 Smith Mclntyre grab. Mean estimates of ATP, chlorophyll a and phaeopigments were 297.3ng/cm2, 77.01 mg/m2 and 35.28 mg/m2 respectively. The mean macrobenthic biomass was 4.14 gAFDW/m2 of which the macrophytobenthos accounts for 39%. The benthic biomass decreased from the coast to the deepest parts of the lagoon. Macrophytes were most abundant in the coastal area and became progressively scarcer with increasing depth. By comparison, sessile species dominated on hard substrates in intermediate and deep zones. The abundance of the surface-deposit feeder group, that dominated the trophic structure of zoobenthos (33% of the macrofauna biomass), could be explained by a microphytic biomass six times higher than macrophytobenthic one in terms of carbon. Carnivores (32%) were mainly represented by necrophagous species, and filter-feeders (27%) by bivalves. Herbivores were rare. Four main benthic communities were identified on the basis of their macrobenthic assemblages using a Detrended Correspondence analysis. They corresponded to (1) a coastal zone, with the highest mud percentage in sediments, (2) an intermediate zone, with moderate depth and dominated by hard substrates, (3) a back reef zone, with thick sand layers, and (4) a deep zone dominated by hard substrates. Relative distribution of the trophic groups varied according to the different zones and suggests distinct functional characteristics for the different benthic assemblages. From a biogeographic point of view, this study highlighted the richness of the Uvea Atoll lagoon in terms of benthic species and biomass, compared to other central Pacific atoll lagoons.