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Rocas Alijos - Scientific Results from the Cordell Expeditions (Hardcover, 1996 ed.)
Loot Price: R8,348
Discovery Miles 83 480
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Rocas Alijos - Scientific Results from the Cordell Expeditions (Hardcover, 1996 ed.)
Series: Monographiae Biologicae, 75
Expected to ship within 12 - 17 working days
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Rocas Alijos lies 180 nautical miles west of Baja California. It
comprises several exposed rocks that surmount a large oceanic
volcano rising from the ocean floor well off the continental shelf.
It is located at the transition zone between two major biologic
provinces, at a latitude where the Pacific Current turns westward
to form the north Pacific trans-oceanic current. In spite of its
obvious importance for biogeographical studies, the remoteness of
Rocas Alijos and its small size thwarted any major scientific work
until very recently, and the topography, biota, and oceanographic
conditions of the site remained largely unknown. During 1990, and
again in 1993, Cordell Expeditions, a nonprofit research
organization based in Walnut Creek, California, undertook
expeditions to describe the site. A scientific team of 30 was
onsite 31 October-7 November 1990, and a scientific team of 12 was
onsite 10-15 February 1993. Since most of the Rocas Alijos site is
subtidal, much of the examination and specimen collection was done
by scuba, although several remote sampling techniques were also
used. The exposed rocks were sampled by climbers, and megafauna
were observed from shipboard.
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