Fisheries group calls for science-based approach to address climate impacts
...lliance. The report outlines 30 years of improved ocean conservation in the waters off Alaska with recommendations for future action. The Alaska Model has been cited as a leading example of science-based management. In Alaska catch limits do not exceed the harvests recommended by science advisers, and t...Changing ocean conditions led to decline in Alaska's sea lion population
...tp://www.marinemammal.org/ revealed that a sudden ocean climate change 30 years ago changed todays Alaska ...line of Steller sea lions in Alaska: assessing the ocean climate hypothesis found that climate change affected water temperatures and ocean currents determin...Volcanic plumbing dictates development of deep-sea hydrothermal vents
...-held assumptions involving plate tectonics on the ocean floor. Reporting in the March 22 issue of Nature...'ve talked for years about passive flow models for ocean ridges - the mantle upwells as a passive response to plate motion. Now we see the mantle flow is not...20 of world's 162 grouper species threatened with extinction
...ntists with baseline data for analyzing threats to ocean species. This assessment forms part of a growing focus on over-fishing and conservation concerns for fishes in general, said GMSA Director Kent Carpenter. The workshop identified the need to better protect outer reef areas and to manage spawning ...ESA's Medspiration project branches out to support biodiversity
...l corridor change detection maps, coral reef maps, ocean water quality monitoring services, mangrove maps as well as a map of dry lands. Medspiration allows users to open very high-resolution maps, down to two square kilometres, anywhere in the world, as illustrated by the map of Galapagos Island. In ad...Darwin's famous finches and Venter's marine microbes
...t certain protein profiles are more popular in the ocean or on land. For example, gram-positive bacteria ar... Susan S. Taylor, Ph.D., traded the breadth of the ocean survey for the depth of a single protein domain. They zoomed in on kinases, extremely well studied e...Smithsonian study concludes Caribbean extinctions occurred 2M years after apparent cause
...They concluded that extinctions resulting when one ocean became two were delayed by 2 million years. Resear...nect North and South America, and divided one vast ocean into two. In response, a major extinction of marine animals that had flourished under open seaway co......of what goes on each daily cycle. There is a large ocean frontier out there yet to be studied." ...Microscopic sea creatures provide foundation for gas sensors and other devices
The three-dimensional shells of tiny ocean creatures could provide the foundation for novel electronic devices, including gas sensors able to detect pollution faster and more efficiently than conventional devices. Using a chemical process that converts the shells original silica (silicon di...Tracking sperm whales and jumbo squid
..., also called the Sea of Corteza narrow stretch of ocean that separates the Mexican mainland from the Baja Peninsula. "The central Gulf of California is a uniquely advantageous location to study the behavioral ecology of sperm whales and their squid prey," the authors wrote. "Sperm whales are abundant ye...Regardless of global warming, rising CO2 levels threaten marine life
...ntist Ken Caldeira suggests that future changes in ocean acidification are largely independent of climate c...ity that climate change would have a big impact on ocean acidity," Jain said. "We found no such impact." In previous studies, increasing levels of carbon dio......e may be one of the best ways to determine growing ocean acidification due to their high sensitivity to ocean pH. If these organisms one day disappear, their natural predators will be forced to migrate elsewher...Scientists uncover link between ocean's chemical processes and microscopic floating plants
...cientists have discovered that increased levels of ocean acidity and carbon dioxide concentrations have res...ated present-day carbon dioxide concentrations and ocean acidity, and carbon dioxide levels expected at the end of this century and the middle of the next on...Corals that can fight global warming may one day help fragile reefs
...nd East Africa that seeks to understand how rising ocean temperatures (which are monitored with high-resolution satellite detectors) are related to lethal coral reef epidemics. The warm temperatures that have been occurring worldwide as a result of global warming appear to be facilitating fatal epidemics i...CSIRO imagery shows Outer Great Barrier Reef at risk from river plumes
...e Wealth from Oceans Flagship to track coastal and ocean events in real-time, building on the technology behind the successful SENTINEL bushfire tracking system. While extreme coastal events have been captured by remote sensing before, this is the first time they can be seen and analysed straight after ...Exploring polar regions, understanding climate
... tiny inclusions in the ice and sediments from the ocean floor. The largest international research campaign for 50 years. Despite their importance, the Polar regions remain to a large extent, unexplored. This is mainly due to the high level of logistics that are necessary to live and work in such ho...How do marine turtles return to the same beach to lay their eggs?
...nd the females cross several hundred kilometers of ocean with no visual landmarks. How do they manage to re...aving the ability to correct for the deflection of ocean currents. This work, published in Current Biology and Marine Ecology Progress Series, should allow b...Antarctic marine explorers reveal first biological changes after collapse of polar ice shelves
...lves opened up huge, near pristine portions of the ocean floor, sealed off from above for at least 5,000 ye...s of dead clamshells littering an area on the dark ocean floor and pointing to the presence of a very rare "cold seep" essentially a sea floor vent spewing ...Looking for life on Jupiter's icy moon Europa
...est of Jupiter's moons, is thought to have a thick ocean of water overlain by a layer of ice that could be ... to the surface by ice formed on the bottom of the ocean or gouged by moving ice, as well as a variety of habitats in the ice itself. Lipps noted, too, tha......clouds, and it works during day and night and over ocean and land surfaces, Deeter reports. For the study o... method for precipitable water vapor over land and ocean Authors:Merritt N. Deeter: Research Applications Laboratory, National Center for Atmospheric Resea...