نتایج جستجو برای: southern ocean sunfish
تعداد نتایج: 179010 فیلتر نتایج به سال:
Although cephalopods play a critical role in marine food webs both as predators and prey, there is a limited knowledge of several basic aspects of their ecology, including their habitat and trophic level, in the Southern Ocean. We examined the ecological role of several Southern Ocean cephalopod species by analyzing δ13C and δ15N values in lower cephalopod beaks obtained from diet samples of wa...
[1] Hydrothermal venting along the global mid‐ocean ridge system plays a major role in cycling elements and energy between the Earth’s interior and surface. We use the distribution of helium isotopes along an oceanic transect at 67°S to identify previously unobserved hydrothermal activity in the Pacific sector of the Southern Ocean. Combining the geochemical information provided by the helium i...
1 The observed sea surface temperature (SST) in the Southern Ocean shows a 2 substantial warming trend for the second half of the 20th century. Associated with the 3 warming, there has been an enhanced atmospheric hydrological cycle in the Southern 4 Ocean that results in an increase of the Antarctic sea ice for the past three decades through 5 the reduced upward ocean heat transport and increa...
The tropical Atlantic variability is composed of three major patterns of significant importance for variability and predictability of climate in the Atlantic sector. They are the southern tropical Atlantic (STA) pattern with anomalous sea surface temperature (SST) fluctuations expanding from the Angolan coast to the central equatorial ocean, the northern tropical Atlantic (NTA) pattern centered...
a National Marine Fisheries Service, Southwest Fisheries Science Center, 8604 La Jolla Shores Dr., La Jolla, California 92037-1022, USA b Ocean Sunfish Tagging and Research Program, 25517 Hacienda Place Suite C, Carmel California, 93923, USA c Department of Wildlife, Fish and Conservation Biology, University of California, Davis, California 95616, USA d Monterey Bay Aquarium, 866 Cannery Row, M...
Early life stages of marine calcifiers are particularly vulnerable to climate change. In the Southern Ocean aragonite undersaturation events and areas of rapid warming already occur and are predicted to increase in extent. Here, we present the first study to successfully hatch the polar pteropod Limacina helicina antarctica and observe the potential impact of exposure to increased temperature a...
Ophiolites of the Zagros orogenic belt are part of the Tethys ophiolites, because of their geographical locations and link the Middle East ophiolites and other Asian ophiolites (e.g. Pakistani and Tibetan) to the Mediterranean ophiolites (e.g. Troodos , Greek and East European). The nature of the Harsin- Sahneh ophiolite (Kermanshah) traditionally identified as one of the Mesozoic southern bran...
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