Revillagigedo Islands


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Revillagigedo Islands

or Revillagigedo Archipelago (rāvē`yähēhā`thō), volcanic island group in the Pacific Ocean, c.450 mi (720 km) W of Colima state and S of Baja California, Mexico. The islands, which are under federal jurisdiction, are part of submerged range of volcanic mountains. Socorro (110 sq mi/285 sq km) is the largest island; except for a small number of naval personnel the islands are uninhabited. A volcano on San Benedicto island rose suddenly in 1952. The Mexican flag was officially raised over the islands in 1957. In 2017 some 57,000 sq mi (150,000 sq km) of the surrounding waters were declared a marine reserve and national park.
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Martinez Gomez, an expert on the Revillagigedo Islands, noted the islands change a lot from season to season, so they timed the expedition last May to replicate Beebe[acute accent]s steps as they looked for the snake, which blends in with the island[acute accent]s rock formations and is largely active at night.
Marine Mollusca of the Revillagigedo Islands, Mexico.
A Zoogeographic Summary of the Marine Mollusks of the Revillagigedo Island (tropical eastern Pacific Ocean).
After adjusting levels of significance by the Bonferroni procedure, significant deviation of genotypic frequencies from those expected under Hardy-Weinberg was found in the loci Lgg and Pap-[F.sup.*] for the Gulf of California sample and in the Aat-[S.sup.*] locus for two localities--west of Revillagigedo Islands, and the Gulf of California (P<0.0006, Table 1).
OCY = out of CYRA area; WRE = west of the Revillagigedo Islands; NCL = North Clipperton islands; SCL = South Clipperton Islands; MCH = Michoacan; GUE = Guerrero; COL = Colima; CSL = Cape San Lucas; NAY = Nayarit; GC = Gulf of California.
Avifauna of the Revillagigedo Islands. Auk, 15:311-318.
Notes on the herpetology of the Revillagigedo Islands, Mexico.
It has been suggested that the species was distributed along 2.400 km from the Revillagigedo Islands, Mexico (18[degrees]N) to the Monterey Bay, California (37[degrees]N) (Townsend, 1924; Hamilton, 1951) and could have reached as far north as the Farallon islands, California (38[degrees]N) (Starks, 1922).
Garth (1992) publishes a study of brachyuran crabs from the Revillagigedo islands, emphasizing their insular endemism, based on the 1934 and 1939 collection trips carried out by the "Velero" ship.
The results of research on the reproductive biology of skipjack tuna in the EPO (Schaefer and Orange, 1956; Orange, 1961) indicated some spawning off Central America and in the vicinity of the Revillagigedo Islands, Mexico.
Earlier research on the reproductive biology of skipjack tuna in the EPO indicated spawning off Central America and off Baja California, Mexico, near the Revillagigedo Islands (Schaefer and Orange, 1956; Orange, 1961).