Sentences with phrase «scarce food resources»

When looking for scarce food resources, animals might traverse random paths as they search through their grazing terrain, or move to new territory.

When one begins to apply this procedure to the problems of allocating scarce food resources on a global scale, the size differential — and accordingly, the lack of control of the situation) the unpredictability of the results, and the resulting uncertainty of the final outcome — render inaccurate any comparisons of this with the medical situation.

Not exact matches

The National Association of Retail Grocers of Australia recently highlighted that Australia's food and grocery industry is «at a crossroads» as population - driven demand grows faster than food production, pointing to challenges ahead for sustainable development.1 Water is one of the most significant and increasingly scarce resources that producers need to meet this demand.

That's a very tall order, especially when resources are scarce (most schools get, in the end, about $ 1 from the federal government to spend on school food) and there is no money in the budget for food / nutrition education.

Although malaria is a serious problem, when resources are scarce, food was the first priority — so bed nets were often used to protect food sources instead of people.

Insects, he says, also need less food and space than vertebrate sources of protein and therefore could replace or supplement food resources that may become scarce in the future, such as fish stocks, which a recent study indicates may collapse by 2048.

An engineer constructing wells in oil fields and an animal foraging for scarce food in the desert often face a similar dilemma: How long should they look for more of their needed resource before they move on to look elsewhere?

This leads to greater chances of food crises, particularly in nations where land and water resources are scarce and therefore food security strongly relies on imports.

On the positive side of the ledger, it inspired Charles Darwin and Alfred Russel Wallace to work out the mechanics of natural selection based on Malthus's observation that populations tend to increase geometrically (2, 4, 8, 16...), whereas food reserves grow arithmetically (2, 3, 4, 5...), leading to competition for scarce resources and differential reproductive success, the driver of evolution.

A different group of bacteria, also relying on the phytoplankton for food and energy, appear to compete with the diatoms for the precious vitamin, and all three groups of microbes are competing for iron, which, due to the extreme remoteness of the Southern Ocean, is a scarce and consequently invaluable resource.

Bark scorpions «represent a really valuable food resource» in an ecosystem where other prey is scarce, she says.

While security issues from Iran to Syria dominated the three - hour hearing, Kerry also wove climate, food security and competition for scarce resources into a broad new narrative of diplomacy.

This mechanism has helped them survive harsh winters when food and resources are scarce.

Activist groups that routinely assert that American children suffer malnutrition are actually measuring something they term «food insecurity,» a condition that usually results more from poor household management than from scarce resources.

When Frank is drafted into medical military service, Liesl is left alone to care for his three sons during the last months of WWII, with the front growing ever closer and food and resources becoming more scarce.

Resources were already scarce, and the hurricane made it nearly impossible for shipments of life - saving pet food and supplies to reach the island.

They fight for resources (such as food) if those resources are scarce, but there is no «wise leader of the pack», no «alpha» dog who gets first pick.

Environmentally, tourism can deplete resources that are already scarce, such as food and water.

Max will need food and water, and both resources will be scarce out in the desert.

These games set up a hostile environment where you start with nothing, they make the human players more of a threat than the creatures, they normally give you guns, and they make food and water scarce resources.

Much more irrigation would be needed to grow the same amount of food, the scientists suggest, but this would put even more strain on scarce resources.

Making better use of a scarce and / or expensive resource is a laudable aim, whatever the resource... energy... food... water etc etc..

Amidst a lingering global recession, a widening gap between rich and poor, and heightened competition for energy, food and other scarce natural resources, the conference could not be more timely.

Touting the apparent success of the project, World Bank president Robert Zoellick said, «The return of the North Aral Sea shows that man - made disasters can be at least partly reversed, and that food production depends on the sound management of scarce water resources and the environment.»

The report predicts that world demand for crops — whether for food, livestock feed or biofuels — will double in the next 50 years, while natural resources necessary to agriculture are becoming scarce or degraded due to the impacts of global climate change.According to the report, areas of focus include sub-Saharan Africa, with the report indicating that farm subsidies for commodities such as cotton and oilseeds in wealthier countries need to be changed as they force prices down for small farmers in developing nations.

With cultural differences between the three communities and important marine resources growing more and more scarce, early community meetings were contentious, but eventually even those that opposed earlier conservation efforts came to realize that if they lost the hawksbill, they would lose everything that was important to them including their food, income and culture.

In a time when we're struggling to figure out how we're going to feed everyone in the face of a changing climate, severe droughts, and increasingly scarce freshwater resources, the news that we currently waste about a third of all the food produced in the US should be cause for serious concern.

Even with scarce resources, these women have to find ways to, not only allocate such resources, but also ensure local food security.

I was likewise amazed to see generosity arise from others, often spontaneously — for example, a donation of a scarce «transportation pass» to allow a trip to the bank, or being given a food or utilities voucher by a little - known resource centre.