Southern in Biological News

AGU journal highlights -- Aug. 6, 2009

... depletion reduces ocean carbon uptake The southern Ocean plays an important role in mitigating ... current models predict that the strength of the southern Ocean carbon dioxide sink should increase as ... depletion produced a significant reduction in southern Ocean carbon uptake, in good agreement with ...

August 2009 Geology and GSA Today media highlights

... in summer insolation cannot be applied to southern Africa. The implications of this in terms of ... climatic fluctuation, a time period in which southern Pangea saw the waxing and waning of massive ... in the terminal Proterozoic Nama Group, southern Namibia: A consequence of low seawater sulfate at ...

Biologists rediscover endangered frog population

... frog habitat renews hope of survival for this southern California amphibian. Globally, amphibians are ... toads on the federal Endangered Species List in southern California. Prior to this recent discovery, USGS ... in the re-establishment of this species across southern California," said Adam Backlin, a USGS scientist ...

Iron and biological production in the high-latitude North Atlantic

... about a third of the world's oceans, include the southern Ocean and the subpolar North Pacific. In ... region, whereas classic, HNLC regions such as the southern Ocean remain in this condition throughout the ... North Atlantic is second only to the southern Ocean in its potential to lower atmospheric ...

Isolated forest patches lose species, diversity

... the abundance and diversity of native plants in southern Wisconsin forests. The findings highlight the ... and others revisited many of Curtis's sites in southern Wisconsin to see what changes time has wrought. ... important implications for how we should manage southern Wisconsin's remaining forests, Rogers says. The ...

Climate change driving Michigan mammals north

... study shows. In the process, these historically southern species are replacing their northern ... know whether replacing a northern species with a southern equivalent is going to pass unnoticed or is going ... The increasing species---white-footed mice, southern flying squirrels, eastern chipmunks and common ...

April 2009 Geology and GSA Today media highlights

... over time and across the region. Sirenians from southern sites (i.e., Egypt, Libya) had significantly ... by Milana. The wind ripples are found in the southern Argentinean Puna Plateau and reach 43 meters of ... and magnitude of paleoclimate changes in the southern middle-latitudes is a prerequisite for ...

Lohafex provides new insights on plankton ecology

... But it has dampened hopes on the potential of the southern Ocean to sequester significant amounts of carbon ... silicic acid content in the northern half of the southern Ocean is low, iron fertilization in this vast ... plays an important role in the food web of the southern Ocean. It is the main food of squid and fin ...

Keeping golf courses green when fresh water is limited

... LAS VEGASExplosive population growth in southern Nevada has placed increasing demands on available ... In 2007, 80% of the state's residents lived in southern Nevada, where the population approached two ... development of a program for reuse water use in southern Nevada has evolved in close collaboration with ...

AGU journal highlights -- March 12, 2009

... in the atmospheres of Venus's northern and southern hemispheres and tropical cyclones and hurricanes ... and recently by Venus Express orbiter around the southern pole, an S-shaped feature in the center of the ... dominant mode of climate variability across the southern Hemisphere is ...

Lobster traps going high tech

... Foundation, and the Marine Science Department at southern Maine Community College (SMCC) in Portland, ... by students in the marine science program at southern Maine Community College (SMCC). The students ... including Bowdoin College, the University of southern Maine, University of New Hampshire, University of ...

Study finds hemlock trees dying rapidly, affecting forest carbon cycle

... Otto, NC New research by U.S. Forest Service southern Research Station (SRS) scientists and partners ... killing hemlock trees faster than expected in the southern Appalachians and rapidly altering the carbon ... keystone species in the streamside forests of the southern Appalachian region, is already experiencing ...

Polar research reveals new evidence of global environmental change

... confirmed above-global-average warming in the southern Ocean. A freshening of the bottom water near ... In the area of biodiversity, surveys of the southern Ocean have uncovered a remarkably rich, colourful ... common ancestor species that still survive in the southern Ocean. IPY has also given atmospheric ...

Mama whales teach babies where to eat

... climate oscillations increase sea temperatures, southern right whales give birth to fewer calves because ... Rowntree and colleagues have followed a group of southern right whales that migrate for three months each ... Whale Conservation Institute. Adult southern right whales are up to 50 feet long, and their ...

Ocean islands fuel productivity and carbon sequestration through natural iron fertilization

... the effects of naturally deposited iron in the southern Ocean has filled in a key piece of the puzzle ... biological productivity in large areas of the southern Ocean is limited by the supply of iron, an ... "This work demonstrated for the first time that southern Ocean phytoplankton blooms fueled by natural ...

New book plants seed for biodiverse food production

... political science professor is working with southern African farmers studying their agricultural ... spending months or years at a time living in southern African countries studying agricultural expertise ... is that although it is traditional for farmers in southern African countries to share seeds and their ...

LOHAFEX: An Indo-German iron fertilization experiment

... its way to the Southwest Atlantic Sector of the southern Ocean. The team of 48 scientists (30 from India) ... Five previous experiments carried out in the southern Ocean, including two conducted from RV Polarstern ... be located in a more productive region of the southern Ocean inhabited by coastal species of ...

January GEOLOGY media highlights

... features in coastal regions of northern Chile and southern Peru. The distribution of these cracks indicates ... and similar-aged ultradeep diamond deposits in southern Africa and South America, were emplaced along the ... records from caves in Oman and southern China, Knudsen and Riisager suggest that the ...

A happy new year for penguins

... islands also support two nesting colonies of southern giant petrels that represent over 80 percent of ... from tankers transporting petroleum from southern Patagonia to Buenos Aires, coupled with expanding ... 1960s, conducting studies for the conservation of southern right whales, Magellanic ...

Study shows competition, not climate change, led to Neanderthal extinction

... during GI8. The researchers' models predict the southern limit of the modern human territory to be near ... called Heinrich Event 4 (H4), and that this southern boundary moved to the south during the more ... Neanderthal populations that occupied what is now southern Spain were the last to survive because they were ...

December Geosphere media highlights

... of the South Balkan extensional system within southern Bulgaria, Macedonia, eastern Albania, northern ... paper discusses the tectonic evolution of the southern Balkan extensional system from its beginning as ... of slab differential roll back along northern and southern parts of the Hellenic subduction zone. Extension ...

Missouri Botanical Garden publishes first catalogue of plants of the Southern Cone

... of the species of vascular plants for the southern Cone region, the southernmost areas of South ... del Cono Sur (Catalogue of the Plants of the southern Cone) is a taxonomic checklist of the plants of Argentina, southern Brazil, Chile, Paraguay and Uruguay. This ...

Where there's wildfire smoke, there's toxicity

... The health threat to city dwellers posed by southern California wildfires like those of November 2008 ... particulate matter (PM) from wildfires in southern California. The paper, entitled ... (PM) in Los Angeles during the October 2007 southern California Wildfires," will appear in ...

Wielding microbe against microbe, beetle defends its food source

... MADISON -- As the southern pine beetle moves through the forest boring ... one of the pine's most devastating enemies in the southern United States and Mexico relies so heavily on a ... incredible, but that's precisely the case for the southern pine beetle. If the beetle's fungus, ...

Fishy future written in the genes

... We found, for example, that populations at the southern end of the Great Barrier Reef are 'younger' than ... A particular area of interest is the southern end of the GBR, off Gladstone, where scientists ... says that the spiny damselfish population at the southern end of the GBR displays this unstable, ...

'Chemical equator' discovery will aid pollution mapping

... from the largely uncontaminated atmosphere of the southern Hemisphere. Researchers from the University's ... Northern Hemisphere and the cleaner air of the southern Hemisphere. The ITCZ is a cloudy region circling ... the chemical equator being pulled north from the southern Indian Ocean by a land based cyclone in northern ...

UC Riverside botanist to study role of plants in southern California's drought

... from the National Science Foundation to study how southern California's plants affect the region's drought. ... , will investigate which plant species in southern California are most susceptible to drought and ... evaporated from desert chaparral ecosystems of southern California. "The evaporation of water from ...

Southern Sierra Science Symposium planned for Visalia

... agencies are proud to announce the First southern Sierra Science Symposium, September 4-5, in ... the symposium is "Agents of Change Affecting the southern Sierra Ecosystems." This event will bring ... environmental "agents of change" affecting the southern Sierra Ecosystems which include giant sequoia ...

Southern Ocean seals dive deep for climate data

... blind-spot in their ability to detect change in southern Ocean circulation and sea ice production and its ... 30-fold increase in data recorded in parts of the southern Ocean rarely observed using traditional ocean ... rapidly than any other part of the world. In the southern hemisphere, the limited observations available ...

August 2008 Geology and GSA Today media highlights

... slowly in the rocks 100 kilometers and more below southern Idaho and northwestern Wyoming than nearly ... Middle Eocene climate cyclicity in the southern Pacific: Implications for global ice volume ... the supercontinent Pangaea; sediments from the southern high latitudes preserve abundant evidence for ...

Scattered nature of Wisconsin's woodlands could complicate forests' response to climate change

... in the future, it's easy to imagine that southern species will just expand their range northward as ... state's climate warms, oaks, hickories and other southern Wisconsin trees will be slow to replace them. ... is warming expected to outpace the speed at which southern trees can migrate northward, but barriers to ...

New study finds that some plants can adapt to widespread climate change

... was concurrently conducted on grasslands in southern England for the first five years. Data collected from the northern and southern sites was the subject of a study published by ... (2000). In the 2000 study, the vegetation in the southern plots was substantially altered by the climate ...

Climate change could severely impact California's unique native plants

... preferred climate, while others, primarily in the southern part of the state and in Baja California, may ... in the northeast, and also includes parts of southern Oregon and northern Baja California. The plants ... as South Africa, Europe, the eastern U.S. and southern California. "We can have confidence in the ...

July 2008 GEOLOGY and GSA Today media highlights

... topics span the globe and beyond, covering southern Africa's diamond kimberlites, sandstones and ... in East Greenland, oxidation of methane in southern Namibia, preservation of woolly rhinoceroses in ... past: Imaging an evolving lithospheric mantle in southern Africa Alan F. Kobussen et al., GEMOC, Dept. ...

California's wildflowers are disappearing, new book by UCR ecologist cautions

... how the landscape of Hispanic California, the southern two-thirds of the state, was steadily transformed ... in the 1940s; in Riverside, Calif., in 1965; in southern San Joaquin Valley in the mid-1960s; and ... institutional outcome of the combined forces of southern California's floral societies," he said. ...

Mystery of infamous 'New England Dark Day' solved by tree rings

... the darkness. It was dark in Maine and along the southern coast of New England with the greatest intensity occurring in northeast Massachusetts, southern New Hampshire and southwest Maine. In the midst ... tree rings from the Algonquin Highlands of southern Ontario and many other locations. They found that ...

Mystery of infamous 'New England Dark Day' solved by 3 rings

... the darkness. It was dark in Maine and along the southern coast of New England with the greatest intensity occurring in northeast Massachusetts, southern New Hampshire and southwest Maine. In the midst ... tree rings from the Algonquin Highlands of southern Ontario and many other locations. They found that ...

USGS science picks -- leads, feeds and story seeds

... a hypothetical earthquake scenario unveiled for southern California and new publications on how to trek ... Disaster Earthquake Scenario Unveiled for southern California Tracing the Hayward Fault: Online ... Picky Eaters Ducking in for a Spring Break: southern Oregon and Northeastern California LEADS: ...

Understanding autumn rain decline in SE Australia

... pressure wave-trains) conducive to rainfall over southern Victoria in May have been weakening, leading to ... that a component of climate change is active in southern Victoria receiving less rainfall. Influences ... the trend is strongest in winter; and in southern Queensland strongest in summer. ...

Arable land can have a negative impact on air quality

... a dust cloud that formed over parched fields in southern Ukraine and led to extremely high concentrations ... picture. This showed a noticeable red patch over southern Ukraine on 23 March which expanded rapidly. The ... lower reaches of the Don river and eastern and southern Ukraine. It is possible that the process is also ...