Plate convergence west of Patagonia and the Antarctic Peninsula since 61Ma
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چکیده
منابع مشابه
Marine pelagic ecosystems: the west Antarctic Peninsula.
The marine ecosystem of the West Antarctic Peninsula (WAP) extends from the Bellingshausen Sea to the northern tip of the peninsula and from the mostly glaciated coast across the continental shelf to the shelf break in the west. The glacially sculpted coastline along the peninsula is highly convoluted and characterized by deep embayments that are often interconnected by channels that facilitate...
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Variation in the abundance and distribution ci zooplankton is an inherent characteristic ci pelagic marine ecosystems. In this chapter, we discuss how patterns of abundance and distribution &JC affected by the life cycle characteristics c:I some rl the predominant macrowoplankton west c::l the Antarctic Peninsula . Because ci the importance of Antarctic krill, EuphausitJ Sllptrba. within this r...
متن کاملFoundations for Ecological Research West of Tiie Antarctic Peninsula
The horizontal and vertical distributions of selected taxa that dcminate the pelagic zooplankton com· munity (> 0.2 mm) within the Palmer Loog-Tenn Ecological Research (LTFR) ItUdy region are described. In addition to a synthesis of existing published descriptions for euphawiids, saIps, and copepods, two newly available datasets are analyud . Recent observations (1991-1994) obtained as part of ...
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Polyribonucleotide probes targeting planktonic archaeal (Group I and II) and bacterial rRNA revealed that Archaea comprised a significant fraction of total prokaryote cell abundance in the marine waters west of the Antarctic Peninsula. Determinations of Archaea and Bacteria cell abundances were made during two research cruises to the Palmer Long-Term Ecological Research region during the austra...
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Understanding the mechanisms by which climate variability affects multiple trophic levels in food webs is essential for determining ecosystem responses to climate change. Here we use over two decades of data collected by the Palmer Long Term Ecological Research program (PAL-LTER) to determine how large-scale climate and local physical forcing affect phytoplankton, zooplankton and an apex predat...
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ژورنال
عنوان ژورنال: Global and Planetary Change
سال: 2014
ISSN: 0921-8181
DOI: 10.1016/j.gloplacha.2014.08.002