Scientists at the Woods Hole Oceanographic Institution (WHOI) have completed two extensive survey and mapping efforts to better understand why the 2005 New England red tide was so severe and to suggest what might lie ahead. WHOI Senior Scientist Don Anderson and colleagues mapped the distribution of Alexandrium fundyense cysts in seafloor sediments immediately before and after the historic harmful algal bloom of 2005.
The first of these analyses shows unusually large numbers of cysts of Alexandrium fundyense in bottom sediments of the Gulf of Maine in late 2004, compared to previous survey results from 1997. The hardy, seed-like cysts lie dormant in ocean sediments until growing conditions are favorable for a bloom of this toxic alga. A subsequent survey conducted last fall, after the 2005 outbreak, shows slightly fewer cysts in the sediments than there were in 2004, with the abundance and distribution of those cysts giving a hint of what might be in store for 2006.
“This is partially good news since the 2005 cyst distribution shows that the species did not create a new southern seedbed within Massachusetts Bay and southern waters, as we had feared. The cyst abundance we found there may be too low to initiate blooms in the bay proper, although we dont know if there are cysts in harbors or embayments that might lead to localized toxicity," said Anderson, director of the National Office for Marine Biotoxins and Harmful Algal Blooms, based at WHOI. “On the other hand, there are still five times as many cysts off western Maine as there were in 1997 and only slightly less than in 2004, so there is certainly the potential for another regional event.”
Shelley Dawicki | EurekAlert!
Dispersal of Fish Eggs by Water Birds – Just a Myth?
19.02.2018 | Universität Basel
Removing fossil fuel subsidies will not reduce CO2 emissions as much as hoped
08.02.2018 | International Institute for Applied Systems Analysis (IIASA)
An international team of researchers has discovered a new anti-cancer protein. The protein, called LHPP, prevents the uncontrolled proliferation of cancer cells in the liver. The researchers led by Prof. Michael N. Hall from the Biozentrum, University of Basel, report in “Nature” that LHPP can also serve as a biomarker for the diagnosis and prognosis of liver cancer.
The incidence of liver cancer, also known as hepatocellular carcinoma, is steadily increasing. In the last twenty years, the number of cases has almost doubled...
In just a few weeks from now, the Chinese space station Tiangong-1 will re-enter the Earth's atmosphere where it will to a large extent burn up. It is possible that some debris will reach the Earth's surface. Tiangong-1 is orbiting the Earth uncontrolled at a speed of approx. 29,000 km/h.Currently the prognosis relating to the time of impact currently lies within a window of several days. The scientists at Fraunhofer FHR have already been monitoring Tiangong-1 for a number of weeks with their TIRA system, one of the most powerful space observation radars in the world, with a view to supporting the German Space Situational Awareness Center and the ESA with their re-entry forecasts.
Following the loss of radio contact with Tiangong-1 in 2016 and due to the low orbital height, it is now inevitable that the Chinese space station will...
Fraunhofer Institute for Organic Electronics, Electron Beam and Plasma Technology FEP, provider of research and development services for OLED lighting solutions, announces the founding of the “OLED Licht Forum” and presents latest OLED design and lighting solutions during light+building, from March 18th – 23rd, 2018 in Frankfurt a.M./Germany, at booth no. F91 in Hall 4.0.
They are united in their passion for OLED (organic light emitting diodes) lighting with all of its unique facets and application possibilities. Thus experts in...
A new scenario seeking to explain how Mars' putative oceans came and went over the last 4 billion years implies that the oceans formed several hundred million...
For the first time, an interdisciplinary team from the University of Basel has succeeded in integrating artificial organelles into the cells of live zebrafish embryos. This innovative approach using artificial organelles as cellular implants offers new potential in treating a range of diseases, as the authors report in an article published in Nature Communications.
In the cells of higher organisms, organelles such as the nucleus or mitochondria perform a range of complex functions necessary for life. In the networks of...
19.03.2018 | Event News
16.03.2018 | Event News
13.03.2018 | Event News
22.03.2018 | Trade Fair News
22.03.2018 | Earth Sciences
22.03.2018 | Earth Sciences