Search the SPREP Catalogue

Advanced Search
Refine Search Results

Tags / Keywords

Language

Available Online

Tags / Keywords

Available Online

4 result(s) found.

Sort by

You searched for

  • Tags / Keywords atolls
    X
  • Tags / Keywords shoreline protection
    X
clear
Household vulnerability on the frontline of climate change: the Pacific atoll nation of Tuvalu
Climate Change Resilience
Available Online

Taupo, Tauisi

2018
This paper investigates the vulnerability of households to climatic disasters in the low-lying atoll nation of Tuvalu. Small Island Developing States, particularly the atoll nations, are the most vulnerable to climatic change, and in particular to sea-level rise and its associated risks. Using the most recent household surveys available, we construct poverty and hardship profiles for households on the different islands of Tuvalu, and combine these with geographic and topographic information to assess the exposure differentials among different groups using spatial econometric models. Besides the observation that poor households are more vulnerable to negative shocks because they lack the resources to respond, we also find that they are also more likely to reside in areas highly exposed to disasters (closer to the coasts and at lower elevation) and have less ability to migrate (between and within the islands).
Shore protection in the Republic of the Marshall Islands : pilot project report
Island and Ocean Ecosystems
Available Online

Goreau, Thomas J

,

Hagberg, Erik

,

Jormelu, Katwel

2010
Wind, Wave, and Solar powered shore protection and coral reef restoration projects were installed in the Marshall Islands in early 2010 by the Arno Kobamaron Community Base Organization, in collaboration with the Global Reef Alliance and Pacific Aquaculture Cooperatives, funded by the Federal Republic of Germany Federal Foreign Office Task Force for Humanitarian Aid. The projects were installed at Ine Village, Arno Atoll (Wind powered), Jabo Village, Arno Atoll (Wave powered), and Enemanit, Majuro Atoll, (Solar powered). Local community residents were trained in construction and installation skills. These projects will help restore near-shore coral reefs and fisheries habitat, protecting beaches from wave erosion and allowing them to grow. A tidal current project was originally also planned but unfortunately could not be installed during the project period due to delays by the manufacturer. The results of these pilot demonstration projects dramatically demonstrate that local communities can use their own vast and untapped sources of sustainable energy to grow back their coral reef and fisheries resources and protect their islands from erosion by global sea level rise. There is a critically urgent need to replicate this example on a large scale in all low-lying island nations and coasts before global sea level rise accelerates.
Natural history of Mopelia atoll, Society islands
Island and Ocean Ecosystems
Available Online

Sachet M.H.

1983
The archipelago of the Society Islands, in the South Pacific, includes principally high volcanic islands, with fringing or barrier reefs, but also a number of outlying atolls: Tetiaroa, due north of Tahiti, Tupai or Motu-Iti, north-northwest of Bora-Bora and, at the west end of the volcanic chain, Maupihaa or Mopelia, Scilly or Fenua Ura or Manuae, and Bellingshausen (often spelled Bellinghausen) or Motu One.
Investigations on the soft bottom benthos in a Southwest Pacific atoll lagoon (Uvea, New Caledonia)
Island and Ocean Ecosystems
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.

www.sprep.org © 2021 - 2024. All rights reserved

Login