Hidden diversity: DNA 'barcoding' reveals a common butterfly is actually 10 different species
...onservation zone of dry, rain and cloud forests in northwestern Costa Rica. They noticed that, amid the more than 2,500 wild-caught caterpillars of A. fulgerator, many could be separated by slight variations in color, which then could be linked to the particular plants the caterpillars ate. It soon became obv...Abstract poster contest finalists announced
...g of the conference. INRA is a coalition of eight northwestern research universities created to promote new opportunities for research and education that will benefit the region and the nation in a variety of technical disciplines. The symposium highlights national and international research conducted in the are...Former US Secretary of the Interior Bruce Babbitt to speak at science symposium
...arch Alliance (INRA). INRA is a coalition of eight northwestern research universities created to promote new opportunities for research and education that will benefit the region and the nation in a variety of technical disciplines. The Symposium will highlight national and international research conducted in the...Blue marlin in gulf have high mercury levels, A&M study shows
... are attempting to get a good coverage area in the northwestern Gulf of marlin and other species in our survey of fish tissue mercury," Rooker says from his Galveston office. Mercury is a highly toxic substance that is easily absorbed into tissues of aquatic creatures, especially fish. Human consumption of fish ...Do genes respond to global warming?
... historical climate-induced habitat alterations in northwestern Wyoming. They gathered fossils from Yellowstone National Park's Lamar Cave, and compared genetic material extracted from fossil samples taken from different time points over the past 3,000 years to genetic data taken from contemporary animals. Study...Lehmann lovegrass won't succumb to fire
... from Arizona to New Mexico and even into areas of northwestern Mexico. Geiger and McPherson both believe that fire is a useful tool for reducing hazardous fuels that can feed forest fires and that fire still has the potential to eliminate non-native species, just not Lehmann lovegrass. "It migh...Warmer weather, human disturbances interact to change forests
...gram to project 200 years of change in a forest in northwestern Wisconsin under three climate scenarios. In one scenario, they assumed no change from current temperature and precipitation conditions; in the other two scenarios, they used data from global forecasts that predict a hotter, wetter climate. The model ...Researchers find no safe place to sit in California tick-infested forest
... The paper has come just weeks before the start of northwestern California's nymphal tick season, which begins in ...ms in humans. Most human cases of Lyme disease in northwestern California appears to be transmitted by young nymphal ticks, which are notoriously difficult to dete...Waiter, there's a shark in my soup
...ites have declined by as much as 79 percent in the northwestern Atlantic. Ironically, they are among the world's most legally protected shark species, with the U.S., Australia, South Africa, Malta and Namibia all having enacted bans on killing them. However, the ability to enforce existing national legislation h...January GSA BULLETIN media highlights
...r uplift of the Tibetan Plateau. The Tula uplift, northwestern China: Evidence for regional tectonism of the northern Tibetan Plateau during late Mesozoicearly Cenozoic time Delores M. Robinson, Department of Geosciences, University of Arizona, Tucson, Arizona 85721, USA; et al. Pages 35-47. Keywords: Asian tec...Ghana takes aim at bushmeat hunting
... that stretches across 10 countries from Guinea to northwestern Cameroon. CI has identified this forest as one of the 25 world's critical Biodiversity Hotspots. It is home to 551 mammalian species more than any other Hotspot and some 514 species of birds. In 1957, Ghana became the first country in colonial Afri...Muddy Mayan mystery made clearer by researchers working in the bajos
...ted during on-site investigations near La Milpa in northwestern Belize, in 1997 and 1998, and between Yaxha and Ti...issue and plan to look at more and bigger bajos in northwestern Belize in the near future. While their studies help to answer questions about the past, the authors...Twelve new coral and fish species discovered off Madagascar
...pecies new to science have been discovered off the northwestern coast of Madagascar in a just-completed marine survey led by scientists from Conservation International's Center for Applied Biodiversity Science (CABS). The researchers found diverse marine life and vibrant reef habitats in the underwater environme...April GEOLOGY and GSA TODAY media highlights
...rtant information on the tectonic evolution of the northwestern margin of the Tibetan plateau. From ca. 350-200 Ma (in Carboniferous to Triassic time) a huge (250 km by 500 km) subduction-accretion complex, the Mazar accretionary prism, formed during closure of the Paleotethyan Ocean. The accretionary prism is si...Warmer periods in Alaskan area not confined to modern times
...buted to the demise of the Kachemak culture in the northwestern Gulf of Alaska. A prolonged period of dry weather occurred in the American Southwest at this time. In a follow-up study, Hu and postdoctoral associate Willy Tinner have found, based on preliminary data, a counter-intuitive discovery. They found tha...Fragmentation may limit songbird sex lives
...rest fragments separated by agricultural fields in northwestern Pennsylvania. Ranging from 1.7 to 6 acres, these isolated fragments were similar in size to the warblers' breeding territories in continuous forest. Unexpectedly, Norris and Stutchbury found that these low levels of isolation did not restrict the bi...One change in farming makes for cleaner waterways
... only 5 to 14 percent of the farms in northwestern Ohio used conservation tilla...Sandusky river watersheds in northwestern Ohio. The area is a good representative of farmland in the United States, Fors...November GEOLOGY and GSA TODAY highlights
...f: Famennian (Late Devonian) of the Canning basin, northwestern Australia. Rachel Wood Reefs are thought to be very sensitive to mass extinctions, recovering far more slowly than other types of communities. This paper shows that reefs can recover very quickly after such destructive events, using an example fro...Grasslands, deserts, mountains and fire
...mental fires on seed banks in the Mojave Desert of northwestern Arizona. The experiment was part of a larger study designed to understand plant community changes in response to wildfire, invasive annual grasses and seed-eating animals. Following brief, high-intensity burning of thirty 20 by 20 meter study plots, ......a sediment core taken from an experimental lake in northwestern Ontario. The study lake, which has been deliberately fertilized since 1969, stratifies during the summer, creating ideal conditions for the preservation of annual records of the algal community at the bottom of the lake. Study co-author Leavitt took ...