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Agriculture & Environment

Earth Sciences
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Uneven Nutritional Payoffs for Marine Predators Revealed

New study finds that the nutritional value of prey within a single species can widely vary, offering key insights for food web dynamics and ecosystem change The hunt is on and a predator finally zeroes in on its prey. The animal consumes the nutritious meal and moves on to forage for its next target. But how much prey does a predator need to consume? Following a period of massive starvation among animals living along the California coast, University of California…

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Environmental Conservation

Turning Sewage Farms Into Power Plants: New Research Insights

Researchers at the University of Warwick’s Warwick Process Technology Group have devised a process that turns wet waste from sewage farms and paper mills into a source of power.

University of Warwick researcher Dr Ashok Bhattacharya and his team are part of a Europe wide consortium that have cracked the problem of how to extract very pure levels of hydrogen from wet bio-matter, such as sewage or paper mill waste. This very pure hydrogen can then be used in “fuel cells” to power homes, factor

Environmental Conservation

Concrete Advice on Improving the Environment

The pressure on the environment of building during the past 5000 years can be observed clearly from the air. In a recent lecture at the Society of Chemical Industry (SCI), aerial photographer and concrete specialist Christopher Stanley illustrated the evolution of construction and its lasting impact, from stone circles to skyscrapers.

Stanley’s lecture ‘Managing the environment: a perspective from land, air and sea’ followed the presentation of the 2002 SCI Environment Medal in recognition o

Agricultural & Forestry Science

Genetically Modified Eggplants Boost Yield by 30%

Research, published in the online journal, BMC Biotechnology shows how researchers in Italy have used genetically modified eggplants made by the introduction of a gene that increases the level of the plant hormone indole acetic acid (IAA) to produce seedless fruits. Furthermore, these genetically modified eggplants are 30-35% more productive than conventional varieties in both greenhouse and field trials.

The public have a special liking for seedless fruits for two reasons, firstly seeds a

Agricultural & Forestry Science

New Monthly Evaporation Model Enhances Water Management

“Formulas from 1948 were being used.”

Monthly evaporation models, important for water management, can be improved by studying the dispersion of rain for each month. This is one of the conclusions in the research project of Marieke de Groen. She will defend her thesis on Monday the 29th of April. De Groen: “The subject was neglected for a long time. The monthly models contained formulas from 1948.”

Our main source of food – the agriculture sector – is very dependant on the we

Environmental Conservation

Human Debris Threatens Marine Biodiversity: Key Study Insights

Discarded human debris is encouraging colonization of exotic marine animals in the world`s oceans and threatening global biodiversity, particularly in the Southern Ocean. The findings, reported in this week`s NATURE, are based on a 10-year study of human litter (mostly plastic) washed ashore on 30 remote islands around the globe, from the Arctic to the Antarctic.

David Barnes of the British Antarctic Survey (BAS) found that man-made rubbish in the seas, especially plastics, has almost double

Agricultural & Forestry Science

EU Research Boosts Animal Welfare and Food Quality Standards

How are animals fed and treated? In the aftermath of the mad cow and other food scare crises, European consumers are more and more concerned about “farm to fork” food safety and where their food comes from.

EU research can help improve animal breeding and living conditions. The European Commission discussed farm animal welfare research at European level with researchers and other stakeholders during a seminar held in Brussels yesterday. Participants addressed results achieved so far by EU-s

Earth Sciences

Alaska’s Tundra Warms: Wind’s Role in Boosting Tourism

Winds bring change to Alaskan winter.

A drop in wind speed may be boosting Alaska’s tourist trade. Some parts of the tundra feel five degrees warmer than they did 50 years ago, even though average winter air temperatures have risen only by one or two degrees since then, new research finds 1 . This local trend hints that forecasts of the impacts of climate change may need to account for wind as well as temperature.

The temperature can still plummet to -40

Agricultural & Forestry Science

Cattle Tuberculosis Can Linger in Fields for 4 Months

Researchers from the University of Warwick’s Department of Biological Sciences have found evidence that bovine tuberculosis remains in fields for up to 4 months. This means that long after an outbreak of bovine TB on a farm healthy cattle may still be exposed to the disease from pasture that had been used by infected cows any time in the previous 4 months.

University of Warwick researchers Professor Elizabeth Wellington and Jamie Young tested soil samples that they had exposed to bovine TB.

Earth Sciences

Marine Researchers Uncover Sediment Highways in Deep Sea

A European team of researchers has demonstrated that sediment is transported to the deep sea via canyons in the seabed. The sediment accumulates in the head of the submarine canyons. At the end of the canyons, mud avalanches disperse into the deep sea. Scientists from the Netherlands Institute for Sea Research (NIOZ) presented their findings at an international congress held from 7 to 10 April 2002.

With bottom landers, onboard the ship R.V. Pelagia, the researchers explored the Nazaré Canyo

Environmental Conservation

New Method to Combat Toxic Algal Blooms Using Plankton

In the fall of 1997 a then unknown species of plankton, Parvilucifera infectans , was discovered in the Gullmar Fjord, on the west coast of Sweden. The organism is a parasite that infects and kills several species of toxic algae. Some of these toxic algae can generate extremely potent blooms at great cost to fisheries and the tourism industry around the world. Other species cause mussel toxins that cause major problems for mussel farmers in Sweden and elsewhere.

Fredrik Norén at Götebo

Environmental Conservation

Guarding Gorillas from Space: ESA and UNESCO’s New Initiative

A joint ESA and UNESCO scheme to keep watch on endangered gorilla habitats from space is the subject of a two-day ESRIN workshop this week.

Representatives of UNESCO (United Nations Educational, Scientific and Cultural Organization), the World Wildlife Fund, the International Gorilla Conservation Fund and the Dian Fossey Gorilla Fund International and United Nations Environment Programme are among those who will attend the meeting in Frascati near Rome to discuss possible partnership and agr

Environmental Conservation

Common Weed Killer Disrupts Frog’s Sexual Development

Exposure to less than one part per billion of the most commonly used herbicide in the U.S. can feminize male frogs, according to a new study. The findings, published today in the Proceedings of the National Academy of Sciences, suggest that concentrations of chemicals considered safe for humans can have insidious effects on amphibians and could be contributing to the global decline in their populations.

Tyrone B. Hayes of the University of California, Berkeley, and colleagues studied the ef

Earth Sciences

Life’s Origins: Did It Start in Space? Exploring the Hypothesis

Life originated on the Earth more than 3.5 billion years ago. However, the scientists are still disputing over the possible sources of the life origin. The matter is that life on our planet evolved from the molecular level to the level of bacteria organisms within 0.5 – 1 billion years, this period being very short for such an important evolutionary step. The researchers are still racking the brains over this mystery. One of the popular hypothesis asserts that some germs of life have been brought to

Environmental Conservation

First-Ever Satellite Monitoring for Large Lakes and Coasts

Satellite sensors operating in the visible wavelength region are now in use for the monitoring of oceanic waters.

For the first time ever, Finnish scientists have demonstrated the practical usability of satellite data for the simultaneous monitoring of water quality in large lake and coastal regions. The project was carried out by the Laboratory of Space Technology of the Helsinki University of Technology in cooperation with the Finnish Environment Institute.

The attached fi

Environmental Conservation

Scientists Explore Health Benefits of Environmental Pollutants

Industrial pollutants such as alkylphenols and PCBs have controversially been linked with hormone-dependent cancers, whilst plant chemicals known as phytoestrogens have been marketed as health supplements. But scientists are now suggesting that the story is not quite so simple.

Dr Chris Kirk and colleagues from the University of Birmingham haves been studying industrial oestrogens such as PCBs, insecticides and alkylphenols and a group of chemicals termed ‘phytoestrogens’, commonly found in

Environmental Conservation

Rethinking Water Sustainability: Key Challenges Unveiled

Sustainability may not be all it’s cracked up to be. That is the message in a recent paper by a hydrogeologist at Reading University . Michael Price argues that most human advances have been non-sustainable in the long term and that when we talk of ‘sustainable use’ we must define the period over which the use is planned or implemented.

Price identifies three major challenges currently facing Britain and the world. The first is that the climate, and with it the supply of water, is becoming

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