Long goodbye to Steller sea lions: creatures are disappearing
...ler breeding grounds. He hopes to get an accurate census count of just how many Stellers are out there, and with help of the images, calculate the body size of those photographed. "The body size will tell us the approximate age of the animal, which in turn can tell us several things," Horning explains."The...Science study shows age, sex, weather, factors in fluctuating Soay Sheep population
...o answer. One way to do that is by using a census method, although it can be difficult to test whether yearly counts of wild animals can accurately determine the factors that cause fluctuations in population numbers. Tim Coulson and his Cambridge University research team were up to the challe...World land database charts a troubling course
...things as agricultural land surveys, tax rolls and census data, to sketch a portrait of global landscape change that, for the most part, has gone unrecorded in any direct way by the world's governments. To augment the historical records, Ramankutty and Foley used growing repositories of satellite-derived ...Hurricane floods pose risk to environment, health, new research on 1999 storm reveals
...perations depended on well water according to 1990 census figures, the team found. The strength of the state tally was that every one of the waste pits they reported as breached or flooded was physically inspected, Wing said. The weakness was that inspectors could not inspect every animal operation. Moreo...Metal-eating algae, spartina eradication, horseshoe crabs
...ware Bay. Delaware Sea Grant organized the first census in 1990 in an effort to learn more about the impor... recent years. Volunteers can learn more about the census at http://www.ocean.udel.edu/mas/bhall/hsccensus/ CONTACT: Bill Hall, Marine Education Specialist...First ever census of jaguars completed
... Conservation Society has completed the first-ever census of one of the world's most elusive big cats the j...n the best areas." The camera trap methodology to census tigers began ten years ago in India, when WCS conservationist Dr. Ullas Karanth used the cat's strip...'Fowl-howl' ties discovered between birds, monkeys
...o the forced isolation. The Duke professor "did a census of the bird communities in 1993 and 1995 and found that small islands had an extremely high density of birds, an average of two times what we found on the mainland, and on some islands almost 20 times as many," Feeley said. Many of the smaller islan...DNA evidence suggests 3 types of elephants roam Africa
...hants in the dense vegetation, we don't have solid census data from many populations, including some of the largest ones," explains Eggert. "Only a quarter to a third of African elephants are forest elephants, so there are only about 120,000 to 150,000 of them. They live in a habitat that is rapidly being l...Arsenic in Bangladesh drinking wells may be linked to crop irrigation, MIT study finds
... in arsenic concentration at various depths. Using census data to estimate exposure distributions in the regions, and epidemiological data from West Bengal and Taiwan--countries where the effects of arsenic poisoning from drinking water have been well-documented--they estimated what dose of arsenic makes pe...Chimpanzees with little or no human contact found in remote African rainforest
...y area. "Although we will continue to census individual chimpanzees throughout the area," Sanz continues, "we hope to habituate only a few communities in the core of the study area. The other communities will be left to live their lives free from human contac...Climate change linked to migratory bird decrease
... Lemoine and Boehning-Gaese analyzed existing bird census and climate data for the Lake Constance region of ...nd the abundance of each species during two recent census periods (1980-81 and 1990-92). The researchers considered 300 species of land birds and divided them...Study says government counts of tigers in India are inaccurate
...of square miles of rugged landscape, the "pugmark" census is doomed to failure. This in turn has led to fiel...imate tiger numbers across India using the pugmark census is an impossible task," said the paper's lead author Dr. Ullas Karanth, a WCS conservation zoologist...Home visits from community health workers spur blood pressure reduction
.... Researchers randomly assigned residents of each census block to either one home visit or five. Of the 817, 789 agreed to participate in the study, with 387 assigned to five visits and 402 to one visit. Forty months after enrollment, researchers were able to re-interview 471 participants: 53 had died...Gene mutations that cause hearing loss discovered
...es to Cornwall, England, where, by looking through census data, they found that this family had hearing problems as far back as 1800. These findings are already benefiting the families involved in the project, said Jill Elfenbein, an MSU associate professor or audiology and speech sciences and a team member...Expedition will retrace legendary Steinbeck-Ricketts voyage to the Sea of Cortez
...owever, no attempt was made to conduct an accurate census of these creatures or collect much physical data, such as water temperature, wind speed or salinity. As a result, it will be difficult to make quantitative comparisons between the gulf in 1940 and today, cautions Chuck Baxter, an authority on interti...Census finds mountain gorillas increasing
A recent census of the Virunga Volcanoes mountain gorilla populati...itage." Between September and October of 2003, the census was conducted by staff from the Uganda Wildlife Authority (UWA), the Office Rwandais de Tourisme et ...Cancer health risk significantly underestimated by EPA's ambient model estimates
... large. ASPEN has already shown that for many U.S. census tracts, risk from ambient air toxins exceeds acceptable levels. Now our data indicates that because of significant indoor source contributions, these risks are much worse." Passive air sampling badges were used to compare personal, outdoor and indoor...Plant, bird and butterfly species dwindling in the United Kingdom, researchers report
...uring the U.K. countryside, now provide a thorough census for much of U.K. wildlife. The studies appear in the journal Science , published by AAAS, the nonprofit science society. "These results are by far the most detailed estimates we have for declines in the distributions of multiple species from major d...Melting ice cap gives urgency to new census of marine life project in Arctic Ocean
...tnership of polar scientists will take an historic census of marine life in the Arctic Ocean, including the planet's oldest seawater a vast, still pool unstirred for millennia, walled by steep ridges and lidded with ice. Experts in biology, geology and physics from the circumpolar and other nations will us...Confidentiality of genetic databases questioned by Stanford researchers
...th other kinds of sensitive research data, such as census results. But, Altman said, "We realized that anything we tried ruined the data for research." The best solution, the group concluded, is probably to put such databases behind firewalls, and only allow access to those who can prove they are researcher...