11677 to 11688 of 14037 results
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Role of antioxidant defense during different stages of preadult life cycle in European corn borer (Ostrinia nubilalis, Hubn.): diapause and metamorphosis
Read more of: Role of antioxidant defense during different stages of preadult life cycle in European corn borer (Ostrinia nubilalis, Hubn.): diapause and metamorphosisAntioxidant enzymes, total glutathione (GSH), and ascorbic acid (ASA) were determined in whole body homogenates of nondiapausing larvae, diapausing larvae during the diapausing period (October, December, and February), and in […]
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Winter dispersal of leopard seals (Hydrurga leptonyx): environmental factors influencing demographics and seasonal abundance
Read more of: Winter dispersal of leopard seals (Hydrurga leptonyx): environmental factors influencing demographics and seasonal abundanceThe dynamics of leopard seat Hydrurga leptonyx abundance and residency were investigated both within and between years at Bird Island, South Georgia, using observations of tagged and untagged individuals. Seals […]
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Seasonal ventilation of the cavity beneath Filchner-Ronne Ice Shelf simulated with an isopycnic coordinate ocean model
Read more of: Seasonal ventilation of the cavity beneath Filchner-Ronne Ice Shelf simulated with an isopycnic coordinate ocean model[1] The ocean cavity beneath Filchner-Ronne Ice Shelf is observed to respond to the seasonal cycle of water mass production on the continental shelf of the southern Weddell Sea. Here […]
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Oceanographic observations at the Amundsen shelf break
Read more of: Oceanographic observations at the Amundsen shelf breakIntroduction The continental shelf environment of the Amundsen and Bellingshausen seas differs markedly from that of the other circumpolar seas, where water temperatures are close to the surface freezing point […]
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Recommendations for the collection and synthesis of Antarctic Ice Sheet mass balance data
Read more of: Recommendations for the collection and synthesis of Antarctic Ice Sheet mass balance dataRecent unexpected changes in the Antarctic Ice Sheet, including ice sheet thinning, ice shelf collapse and changes in ice velocities, along with the recent realization that as much as one […]
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Middle Jurassic air fall tuff in the sedimentary Latady Formation, eastern Ellsworth Land
Read more of: Middle Jurassic air fall tuff in the sedimentary Latady Formation, eastern Ellsworth LandRhyolitic volcanism along the proto-Pacific margin of Gondwana occurred at intervals throughout the Jurassic. Silicic melt generation has been interpreted as a result of interaction between mantle plumes and subduction […]
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Kin or self-recognition? Colonial fusibility of the bryozoan Celleporella hyalina
Read more of: Kin or self-recognition? Colonial fusibility of the bryozoan Celleporella hyalinaWe estimated fusion frequency with respect to coancestry in the bryozoan Celleporella hyalina, whose briefly planktonic sexually produced larvae settle on algal substrata and proceed to form encrusting colonies by […]
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A preliminary study of airborne microbial biodiversity over peninsular Antarctica
Read more of: A preliminary study of airborne microbial biodiversity over peninsular AntarcticaThis study used PCR-based molecular biological identification techniques to examine the biodiversity of air sampled over Rothera Point (Antarctic Peninsula). 16S rDNA fragments of 132 clones were sequenced and identified […]
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Distribution of sewage pollution around a maritime Antarctic research station indicated by faecal coliforms, Clostridium perfringens and faecal sterol markers
Read more of: Distribution of sewage pollution around a maritime Antarctic research station indicated by faecal coliforms, Clostridium perfringens and faecal sterol markersThis study describes the distribution of sewage pollution markers (faecal coliforms, Clostridium perfringens and faecal sterols) in seawater and marine sediments around Rothera Research Station, Antarctic Peninsula. Untreated sewage waste […]
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Long-term survival of human faecal microorganisms on the Antarctic Peninsula
Read more of: Long-term survival of human faecal microorganisms on the Antarctic PeninsulaHuman faecal waste has been discarded at inland Antarctic sites for over 100 years, but little is known about the long-term survival of faecal microorganisms in the Antarctic terrestrial environment […]