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Endemic in Biological News

Red List overlooks island species

... be threatened. This would mean the 3,672 species endemic to the Canary Islands (38 vertebrates, 510 ... believes that "many of the more than 4,000 endemic species on the Canary Islands are in a very ... group (accounting for 90% of the almost 4,000 endemic species in the Canary Islands), are not covered ...

Climate change could severely impact California's unique native plants

... of California, Berkeley, study. Because endemic species - native species not found outside the ... the climatic ranges of more than 2,000 California endemic plants. These represent almost 40 percent of the ... for each model and scenario where California's endemic species would have to move in order to find the ...

Freshwater herring had salty origin

... Great Lakes and has the highest diversity of endemic species of any lake in the region. Its unique ... connected to the ocean, explains Wilson, the endemic herring of the Lake are the products of a marine ... raises the possibility that other members of the endemic fauna of the Lake may also have marine origins. ...

Biologists surprised to find parochial bacterial viruses

... idea that things in the microbial world can have endemic properties is relatively new," said study ... to the Galapagos Islands, except that their endemic species -- at least 70 species in the valley are ... signatures in some of Cuatro Cinegas' other endemic species. "Over that length of time, we would ...

T-STAR grant funds genetic studies on shrimp and papaya and endangered cycad rescue

... and papaya farmers as well as work toward the preservation of an endemic cycad species endangered due to attacks by several species of invasive ... $120,318 to study the pollination process of Cycas micronesica, a plant endemic to the Mariana Islands. This cycad is currently listed as endangered on ...

Climate change threatens Lake Baikal's unique biota

... imminent threat stems from the dependence of the lake's food web on large, endemic diatoms, which are uniquely vulnerable to expected reductions in the ... the duration of ice cover is expected to curtail the growth of the lake's endemic diatoms, because unlike most diatoms, they bloom under the ice in ...

April 2009 Geology and GSA Today media highlights

... The history of the Edwards Aquifer is written in the DNA of its endemic cave spiders. White et al. present the first interdisciplinary study of its kind linking the biological evolution of endemic cave fauna with the hydrologic evolution of their vadose-zone aquifer ...

ASU researchers receive NIH awards for studies of malaria and emergent disease

... and 1 million deaths each year. According to Escalante, human malaria is endemic in most tropical and subtropical ecosystems worldwide, a burden that poses ... or drug rotation in situations likely to be encountered in different endemic areas. The second study led by Escalante will look at the evolution of ...

First wind turbines on Galapagos Islands will halve diesel imports, reduce risk of future oil spills

... that nests on the island. Protecting the Petrel One of the six endemic marine birds of the Galapagos Archipelago, the long-winged Galapagos ... that crowd out plants supporting the petrel, particularly the endangered endemic plant Miconia. Early in the extensive environmental investigation, the ...

Research network wins approximately £5.7 million to target human and animal diseases in Africa

... The 'smart partnership' between SACIDS and the LIDC colleges will marshal the best science expertise to the study of infectious diseases in the endemic setting and to identify new and emerging diseases early". Professor Jeff Waage, Director of LIDC, said "LIDC's member institutions are excited at the ...

U of M study finds new insight on therapy for a devastating parasitic disease

... infected by a parasitic flatworm. The Schistosomasis parasite infects about 200 million people in tropical areas worldwide and is endemic in more than 70 countries, where people become infected simply by bathing, drinking, or cooking water contaminated with the flatworm. Although not ...

Scientists announce top 10 new species, issue SOS

... A snail Opisthostoma vermiculum found in Malaysia, represents a unique morphological evolution, with a shell that twists around four axes. It is endemic to a unique limestone hill habitat in Malaysia. The other two species on the top 10 list are fish one found in deep-reef habitat off the coast of ...

Scientists announce top 10 new species; issue SOS

... A snail Opisthostoma vermiculum found in Malaysia, represents a unique morphological evolution, with a shell that twists around four axes. It is endemic to a unique limestone hill habitat in Malaysia. The other two species on the top 10 list are fish one found in deep-reef habitat off the coast of ...

Rabbits on the back foot -- but naturally they're fighting back

... affected, where in the rabbit the virus lurked, at what age rabbits became infected and in which season the virus was active. "We discovered a new, endemic virus that we have called Rabbit Calicivirus Australia1," she said. "Its ancestors probably came to Australia with the first rabbits 150 years ago. ...

DNA barcoding of mosquito species deployed in bid to end elephantiasis

... have earmarked the disease for eradication by 2020 through mass drug administration (MDA). Officials are identifying communities where LF is endemic and treating people at risk with annual doses of a combination drug therapy (albendazole / DEC or albendazole / ivermectin, freely donated by Merck ...

Malaria parasite zeroes in on molecule to enhance its survival, team finds

... pregnant women. The disease, which can incapacitate a victim for several weeks, also imposes a massive social and economic burden. People living in endemic areas can be infected up to several times a year. About 60 percent of the cases of malaria worldwide and more than 80 percent of malaria deaths occur ...

An essay proves that vegetation could recover in the ski resort of Sierra Nevada

... plant of the ski runs. Soil erosion is increasing and the loss of biodiversity gets worse, as 80 of the more than 2,000 vascular plants present are endemic of this massif. This new experiment, whose results will be published in the next issue of the Central European Journal of Biology , will permit ...

New study indicates smallpox vaccination effective for decades

... else. Current recommendations relating to smallpox vaccination has been that people with repeated exposure to smallpox, for example travelers to endemic areas, should be revaccinated every five years. This study suggests that such reimmunizations may not be necessary because multiple vaccinations ...

Smithsonian puts tropical eastern Pacific shore fishes online

... quantity of information, the use of area templates with predetermined faunas greatly speeds up comparative searches. It is possible to list species endemic to an area, species that likely occur in an area based on larger range maps, and species whose occurrence is confirmed for that same area, based on ...

Smithsonian puts tropical Eastern-Pacific shore fishes online

... quantity of information, the use of area templates with predetermined faunas greatly speeds up comparative searches. It is possible to list species endemic to an area, species that likely occur in an area based on larger range maps, and species whose occurrence is confirmed for that same area, based on ...

Chemist to donate potential pharmaceutical royalties to Madagascar

... neurological disease, and agrochemistry. Madagascar is home to 5 percent of the world's plant and animal species, of which more than 80 percent are endemic to the region. This makes it a rich source of material for the team to screen for compounds with natural product activity of possible interest and ...

Providing toilets, safe water is top route to reducing world poverty: UN University

... the risk of diarrhoea will be up to 10% higher in some countries due to climate change. With the advent of climate change, pathogens may become endemic in altered ecologies. Even if not directly linked to health, these threats can have a devastating effect on the ecosystem, indirectly threatening ...

No more big stink: scent lures mosquitoes, but humans can't smell it

... Davis and Sacramento but when aerial sprays mitigated the levels of West Nile virus-infested mosquitoes, they set up traps in Recife, Brazil, a city endemic for lymphatic filariasis. ...

Research exposes new target for malaria drugs

... and ever so briefly exposes the binding region, just enough to allow anchoring to take place. Higgins notes that women in regions where malaria is endemic do gain some immunity to the build-up of RBCs at the placenta after multiple pregnancies by developing an immune response for PfEMP1. Targeting this ...

The 21st century tomato

... also includes potato, eggplant, tobacco, and chili peppers. The center of origin and diversity of tomato species is in the northern Andes, where endemic populations of wild tomato species still grow. These wild populations represent considerable genetic diversity, whereas cultivated tomatoes are ...

Evolution of fruit size in tomato

... eggplant, tobacco, and chili peppers. The center of origin and diversity of tomato and other solanaceous species is in the northern Andes, where endemic wild populations of these species still grow. Tanksley and his colleagues have been employing the data emerging from the International Tomato ...

Life on the edge: To disperse, or become extinct?

... student Karen Samis, Dr. Eckert studied the geographic distribution and dispersal biology of Abronia umbellata (pink sand verbena), a flowering plant endemic to the Pacific coastal dunes of North America. By surveying plants throughout the 2000-km geographic range, and measuring seed dispersal with a wind ...

Smithsonian scientists find evidence that could rewrite Hawaii's botanical history

... have played an important role in shaping the ecology of the islands from the beginning. The isolated Hawaiian Islands are home to many unique and endemic species of plants and animals. To know how these species came to interact with one another and form functioning ecosystems, scientists must first ...

Supplements are not nutritious

... disease, a heart disorder affecting primarily children in certain provinces of China where the soil is deficient in selenium, and Myxedermatous endemic Cretinism, a rare form of mongolism attributed to deficiencies in selenium and iodine found in certain areas of Africa. Selenium supplementation was ...

Surprising discovery from first large-scale analysis of biodiversity and biogeography of viruses

... different not only from each other but also from those found in any other ecosystem so far. The teams findings indicate that modern microbialites are endemic remnants of ancient ecosystems. Dr Ruan Yijun, Senior Group Leader at the Genome Institute of Singapore (GIS), said, Using DNA sequencing ...

Dissolved organic matter in the water column may influence coral health

... PORT ARANSAS, TexasBacterial communities endemic to healthy corals could change depending on the amount and type of natural and man-made dissolved organic matter in seawater, report researchers from ...

ETH Zurich researchers develop antibody test

... Antibodies in blood from malaria regions Tests show that blood samples taken from adults living in areas of Africa where malaria is endemic contain specific antibodies against particular GPIs. While infection is still possible despite the antibodies, the consequences are less serious. The ...

Cummings School receives Rockefeller Foundation grant

... The goal of these efforts is to progressively reduce infections to poultry in order to reduce risk to people, but HPAI is currently considered endemic in 30 of the 33 provinces. The Tufts PDS/R project supports training and operations of surveillance and response teams in 165 districts across the ...

Climate change in the Baltic Sea basin -- past, present and future

... ice-free conditions would be beneficial for shipping in the Baltic Sea, they would threaten populations of animals such as the Baltic ringed seal, an endemic species that is dependent on ice surfaces in order to reproduce. Precipitation may be expected to change as well, with possible increases of 25-75 % ...

Stanford researchers say climate change will significantly increase impending bird extinctions

... to be safe are actually jeopardized by global warming. All in all, climate change is likely to be especially hard on the hundreds of bird species endemic to tropical mountains. But in part because of the remoteness of the mountains and in part due to a lack funding for ornithological studies in most ...

Cold treatment opens doors for citrus exports to Japan

... from the WA Department of Agriculture examined the impact of the same treatment on the Mediterranean Fruit Fly (MFF) in local citrus. (QFF is endemic to the east coast of Australia, extending inland for 600 kilometres or more, while MFF is found in pockets around major townships in WA.) Mr ...

Improving science, technology in Africa is aim as G-8, African, UN experts convene in Berlin

... Under-Secretary-General Konrad Osterwalder, Rector of UNU. Sadly, most of Africa is not in a position to harness science and technology to tackle its endemic problems of poverty, disease, inequity, and environmental degradation. Commitments made to help Africans remedy that must be met swiftly and UNU is ...

Prehistoric aesthetics explains snail biogeography puzzle

... the other cases were inadvertent introductions involving tiny snails of continental origin associated with food crops; the introduced snails were not endemic to the islands," said Foighil, who is an associate professor of ecology and evolutionary biology and a curator at the U-M Museum of Zoology. If ...

New golden frog discovered in remote region of Colombia

... one of the world?s richest countries in amphibian diversity, with more than 583 species. Unfortunately, since this frog is a recent discovery, and endemic to only the Cunidnamarca region, little is known about it. So far, scientists say that the golden frog of Supat belongs to a group of dart fogs? that ...

Savanna habitat drives birds, and perhaps others, to cooperative breeding

... behavior, while other closely related ones do not. In an attempt to answer this question, Rubenstein looked at the 45 species of starlings endemic to Africa to see if there was any relationship between cooperative breeding and the environment in which the birds live. "Starlings are a model ...
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