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WHAT FACTORS FAVOUR THE ECOLOGICAL DIVERSITY OBSERVED IN ATOLL LAGOONS ?
The first step in the investigation was the mapping by remote sensing techniques of more than two-thirds of the 76 atolls of the Tuamotu archipelago. High resolution maps, which did not exist before, were then established. Using the cartographic data thus gleaned alongside morphometric parameters picked out (size and shape of the lagoons, degree... view more... (1999-04-14)
Limited climate tracking in European trees despite 10,000 years of postglacial warmth
The relative roles of environment and history as controls of large-scale species distributions is a crucial issue in biogeography and macroecology. In the forthcoming issue of Ecology Letters Svenning & Skov use bioclimatic modelling to show that among 55 native European tree species, 36 occupy less than 50% of their climatically suitable... view more... (2004-06-10)
Genetic differences in clover make one type toxic
That clover necklace you make for your child could well be a ring of poison. That's because some clovers have evolved genes that help the plant produce cyanide - to protect itself against little herbivores, such as snails, slugs and voles, that eat clover. view more (2007-10-02)
Ecological globalization
Ecosystems are constantly exchanging materials through the movement of air in the atmosphere, the flow of water in rivers and the migration of animals across the landscape. view more (2008-06-02)
Diversity in the deep blue seas
Nature magazine has published an article by Xabier Irigoien, a researcher at AZTI, the Basque Fisheries and Marine Technological Research Centre. The article provides data on the diversity of marine life at the bottom of the sea - particularly amongst algae. Species diversity Most research carried out on the diversity of species has been with land... view more... (2004-06-28)
Cybersense Biosystems raises £225,000 for technology to beat contamination
THE OXFORDSHIRE INVESTMENT OPPORTUNITY NETWORK A company that is adapting the latest bioluminescent biosensor technology for industrial applications has raised over £225,000 from one of Europe's leading technology business angel networks. The funding will enable Cybersense Biosystems Ltd, based at Oxford's Institute of Ecology and Hydrology,... view more... (2003-02-24)
Dam the Red Sea and release gigawatts
Damming the Red Sea could solve the growing energy demands of millions of people in the Middle East and alleviate some of the region's tensions pertaining to oil supplies through hydroelectric power. view more (2007-12-06)
Turtles indeed in danger
Even though many sea turtle populations are declining, quantifying factors that contribute to declines has been challenging. Mortality occurs on nesting beaches due to habitat loss, egg poaching, and predation. But turtles also die at sea due to accidental catches in fishing gear. In the March issue of Ecology Letters, Duke University researchers... view more... (2004-02-25)
UGA study reveals function of ubiquitous yet poorly understood microorganisms
Discovered in the late 1970s, archaea are one of the three main branches on the tree of life, with bacteria and eukaryotes such as plants and animals on the other two branches. view more (2007-05-23)
Not batty conservation
Noah had it easy. To weather the storm of impending disaster that would wipe-out life on earth, he simply protected a male and female of each species on the ark. Protecting contemporary biodiversity from the deluge of human activities that threaten life on earth is more difficult and requires a global network of reserves that includes all... view more... (2003-09-17)
Roadsigns for Rodents: Creation of signposts detected in the first non-human species
Humans are not alone in creating 'signposts' to help them find their way, according to new research published in the open access journal BMC Ecology. Wood mice, say scientists, move objects from their environment around using them as portable signposts whilst they explore. view more (2003-04-28)
Human reproductive rates follow biological scaling rules
In nations with high per capita energy consumption, women have fewer children. This phenomenon is an unexpected consequence of the biological scaling relationship between metabolism and reproductive rate: larger species of mammals have higher metabolism but lower birth rates. In the April 2003 issue of Ecology Letters, Moses and Brown show that... view more... (2003-04-08)
Predators: an overlooked player in plant-pollinator relationships
Biologists have long recognized that predators can help to shape ecological communities -- wolves promote the growth of young trees through predation on moose, otters keep kelp forests thriving by preying on sea urchins, etc. Yet we have seldom considered the consequences of predation on animals that help plants reproduce. Predation on pollinators... view more... (2003-08-13)
£25m University building open for business
Researchers were busy moving into the University of York`s new £25 million Biology Building today. The building, which will be dedicated to York`s cutting-edge biology research, gives researchers working in many different fields of biology access to the very latest scientific equipment and techniques. The investment will allow new research... view more... (2002-07-01)
Understanding, combating foodborne pathogens E. coli 0157 and salmonella
Understanding the ecology of two dangerous foodborne pathogens and devising ways to combat them is a big job. That's why Kansas State University has a team of seven researchers and six collaborators taking on E. coli 0157 and salmonella. view more (2007-10-17)
Darwin and the world's first ecological experiment
Scientists examining the work that influenced Charles Darwin have rediscovered the details of what may be the world's first ecological experiment. Darwin, in his Origin of Species of 1859, referred to an experiment investigating the biology of grassland plants that showed how a greater diversity of grasses planted in experimental plots was... view more... (2002-01-21)
Zoologists challenge longstanding theory that 'eyespots' mimic the eyes of predators' enemies
Circular markings on creatures such as butterflies are effective against predators because they are conspicuous features, not because they mimic the eyes of the predators' own enemies, according to research published today in the journal, Behavioral Ecology. view more (2008-02-22)
Studying rivers for clues to global carbon cycle
In the science world, in the media, and recently, in our daily lives, the debate continues over how carbon in the atmosphere is affecting global climate change. Studying just how carbon cycles throughout the Earth is an enormous challenge, but one Northwestern University professor is doing his part by studying one important segment -- rivers. view more (2008-02-11)
Social life-history response to individual immune challenge of workers of Bombus terrestris: a possible new cooperative phenomenon
Solitary organisms can minimise fitness loss from parasitism with a facultative change to an earlier reproduction. Such a shift of the reproductive effort gives the host a chance to compensate for the cost on future reproduction resulting from the infection. In the case of social insects, where brood care and reproductive effort are shared between... view more... (2004-02-05)
Regional warming-induced species shift in NW Mediterranean marine caves
The north-western Mediterranean Sea has a high biodiversity reflecting a mixture of temperate and subtropical species. But this basin already shows signs of large-scale warming. Marine cave communities with endemic and specialised species are particularly at risk since they are naturally fragmented and more sensitive to perturbations. In the... view more... (2003-04-08)
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