Canton Atoll has a single passage between the ocean and lagoon and lias conspicuous environmental gradients from that passage to the back lagoon. These gradients include the physiography of the lagoon floor, water quality, and the diversity and abundance of corals, fishes, and mollusks. The gradients can apparently be attributed either directly or indirectly to circulation
and water motion within the lagoon. Those oceanographic characteristics can, in turn, be attributed to the geological history of the atoll, including some human modification of the pass configuration.
The Gilbert Islands are a part of the- Gilbert and Ellice
Islands Crown Colony of Great Britain, They lie in the
Pacific Ocean directly southeast of the Marshall Islands
and straddle the equator from 3 degrees North Latitude to
3 degrees South Latitude. All are low islands and most are
atolls. They are densely inhabited by Micronesian people
who are greatly dependent on the sea for food.
Available online
Call Number: [EL]
Physical Description: 259 p.
The avifauna of the Marshall and Gilbert Islands and the sur-
Rarotonga and Aitutaki form the summits of separate
volcanic masses rising from depths of 4000 m, at which depth
the cones are 45-55 km in diameter (Summerhayes and Kibblewh
1966, 1967).The lower slopes of the cones average 15-25
increasing to 30 in the upper 750 m and becoming very steep
the surface reef is approached. The Mauke-Aitutaki line of
islands is thought to be of early Tertiary age: the surface
volcanics are much eroded, with a subdued topography, or are
capped with limestones (Wood, 1967; Wood and Hay, 1970). On
Caroline Atoll (Frontispiece) is situated at 10°00'S latitude and 150°13'W longitude in the south-central Pacific Ocean. Caroline is the southeasternmost of the Southern Line Islands, a group of 3 islands which also includes Vostok and Flint, lying 230 km to its west and southwest, respectively. Although archaeologically and geographically within Polynesia, Caroline is owned by the Republic of Kiribati (formerly Gilbert Islands).
Available online
Call Number: [EL]
Physical Description: 309 p.
Majuro Atoll has been a center of activity for the Marshall Islands since 1944 and is now the major population center and port of entry for the country. Previous to the accompanying study, no thorough documentation has been made of the vascular plants of Majuro Atoll. There were only reports that were either part of much larger discussions on the entire Micronesian region or the Marshall Islands as a whole, and were of a very
The oceanic dispersal of plants and animals has been the focus of studies ever since organized natural history started in the Pacific, and the dispersal of terrestrial by sea rafting has been given due consideration. The finding of drift materials such as glass floats, tree trunks and seeds, is a common occurrence on the shores of Pacific Islands, but in most
cases the origin of such material is unknown or at least equivocal. Thus while the principle of sea rafted dispersal is known and reported at length, there is a need to document those