Sentences with phrase «on plant population»

But Glaum and Kessler reached a different conclusion when they included herbivore - induced pollinator limitation (HIPL) in their model, which allowed them to examine broader, more indirect effects of herbivory on plant population persistence and community dynamics.

Not exact matches

«The American standard of living, the productivity of the American economy and America's ability to compete in the global economy no longer rest exclusively, or even primarily, on natural resources, capital plants, access to financial capital, or population.

The most passionate argument in the book, in a chapter on declining Jewish population, pleads that, after the Holocaust, Jews are an endangered species, deserving protection and enhancement for the sake of diversity, like the bald eagle: «You have friends who work to rescue endangered animal and plant species, so you know why this matters.»

As the population of lactobacilli grows, it feeds on the natural sugars in the plant juices and produces lactic acid as its waste product.

The world's exploding population has made it profitable for big business to raze forests so it can plant mega crops like soy and oil palm; meanwhile, on a much, much smaller scale, subsistence farmers often clear trees so they can plant crops to feed their families and bring in small amounts of cash.

The less intensive farming practices (plant protection, soil cultivation), the more favourable fertilizing management and the more diversified crop rotations on organic farms enhance specimen - and species - rich earthworm populations.

Although a new power plant's initial operating license depends on consideration of many factors, including population density around the plant and the assurance that evacuation plans can be effectively implemented in the case of a radiological emergency, the NRC's review for relicensing does not examine these public safety issues.

As Capital first reported, the state Department of Environmental Conservation quietly posted a plan on its website this month that would involve closing the plant for up to 100 days in the spring and summer in order to mitigate damage to Hudson River fish populations during breeding season.

Cuomo addressed that seeming contradiction in a briefing at Indian Point on Sunday, saying the difference is that the Westchester nuclear power plant is near one of the world's largest population centers, and logistically, there can be no safe way to evacuate people if something major goes wrong.

And the population living on the volcano may be under even greater threat: Not only could an errant eruption do them in, but because they are specialized to only one type of plant, if that plant dies out, the bees would be left with nothing.

University of Pittsburgh biologists Matthew Koski and Tia - Lynn Ashman recently looked at 34 different populations of silverweed cinquefoil, a widespread plant native in temperate zones on both sides of the equator, and found that its flowers were darker near the tropics.

The dramatic effect on multiple stages of the plant's lifecycle highlights the challenge of developing effective management policies for revitalizing a threatened population.

Professor Bruce Fitt, professor of plant pathology at the University of Hertfordshire's School of Medical and Life Sciences, said: «There is considerable debate about the impact of climate change on crop production — and making sure that we have sufficient food to feed the ever - growing global population is key to our future food security.»

Howard - Yana Shapiro, a plant scientist wizard, focused on how to improve nutrition in crops, rather than just the volume of the yield, and the coming crisis in feeding the world's population.

China opens one large coal - fired power plant a week on average to generate enough electricity to service its 1.3 billion population and fuel industries that manufacture cheap goods for the U.S. and Europe.

To determine the true toll, the Three Gorges Dam is taking on animal and plant species, Liu says, long - term data is needed, so that decreases in population totals can be compared with natural species fluctuation.

On the other hand, they say the city could grow even more resilient due to the ongoing efforts to reduce the urban heat island effect — for instance through programs to install reflective roofs and plant trees, as well as to protect vulnerable populations through heat warning systems and the availability of cooling centers.

In their paper, they highlighted the need for more monitoring and enforcement, as well as research to better understand the impact of trade on wild plant populations and the actors involved in illegal trade.

Other far - reaching effects may include changes in bear demographics due to the change in their diet, evolving salmon populations and impacts on plant pollinators.

The form of phosphate plants can use is in danger of reaching its peak — when supply fails to keep up with demand — in just 30 years, potentially decreasing the rate of crop yield as the as the world population continues to climb and global warming stresses crop yields, which could have damaging effects on the global food supply.

These tiny plants, called phytoplankton, are fish food — without them, fish populations drop, and the fishing industries that many coastal regions depend on can collapse.

When it comes to non-native plants that are congeners — non-native plants with a close native relative, such as Norway maple and red maple — the researchers found that those seem to support herbivore populations across sites more similar to those on natives than the non-native plants that have no native relatives at all.

Research shows that non-native plantings have an impact on the diversity of insect populations.

«Populations of T. cristinae on the two host plants have evolved many differences in their physical form while still exchanging genes,» said Egan, a Huxley Faculty Fellow in Ecology and Evolutionary Biology at Rice.

Schemske and Jon Agren (Uppsala University, Sweden) led the 5 - year study that focused on Arabidopsis plant populations in Sweden and Italy.

Instead of focusing on those edges of a species range, Jonathan Lenoir, a plant ecologist at the Paris Institute of Technology in France, and colleagues decided to examine what climate change was doing to optimum ranges — the zones where most of a population lived — for plants in the mountain forests of western France.

Although it was first seen in the 1940s to be the evolutionary glue that held species together, and thus a significant evolutionary force, a few decades later when quantitative data on gene flow in plant populations began being collected, this view changed as evidence seemed to indicate that gene flow was not all that significant.

Declines in the pollination of wild plants may lead to increases in the population of plants that do not rely on pollinators, and pollinator declines would lead to decreases in crop yields, Fuentes noted.

By munching grasses most other plant - eaters consider not worth the effort, the insect thrives in overgrazed grasslands until its populations swell so much that they move onto crops and pastures, wreaking havoc on local farmers.

Birds play an important role in a wide variety of ecosystems as both predator and prey, in controlling insect populations, pollinating and seed dispersal for many plants, and in releasing nutrients on to land and sea in the form of guano.

(A) describes the impacts of climate change and ocean acidification on the diversity and health of the fish, wildlife and plant populations, habitats, ecosystems, and associated ecological processes;

It was accomplished by two biologists at UC San Diego working on the fruit fly Drosophila melanogaster who employed a new genomic technology to change how mutations could spread through a population — a concept long established in plants by the father of modern genetics, Gregor Mendel.

(B) establishes programs for monitoring the impacts of climate change and ocean acidification on fish, wildlife, and plant populations, habitats, ecosystems, and associated ecological processes;

Climate change effects on physiology and population processes of hosts and vectors that influence the spread of hemipteran - borne plant viruses.

The focus is on molecular microbiology and virology, and includes topics such as genomics, the gamut of plant and animal host - pathogen interactions, host immune responses, characterization and evolution of virulence determinants, cell cycle and differentiation, symbiosis in plant and animal associations, environmental microbiology, biodiversity and evolution, population dynamics, sex and mutagenesis, antibiotic resistance and production, drug and vaccine targets, as well as aspects of prion diseases and of fungal and protozoan biology.

Since bees pollinate these flowering plants, a preference for one form of the flower could have major impacts on its population size.

Counting bees on a particular plot can show how many individual bees and bee species are visiting flowers there, but it won't tell ecologists what they really want to know: whether these plantings are helping to reverse population declines.

Pritikin, Ornish, Esselstyn, and others took people with heart disease, and put them on the kind of plant - based diet followed by populations that had no, that didn't suffer from heart disease, hoping it would stop the disease process, keep it from progressing further.

The Okinawans are part of the Blue Zones (longest living populations on the planet) and their diet of old was 96 % plant based by calories.

The longest living populations on the planet (Blue Zones) also eat a mostly plant based diet (95 % + of their diet)!

I look to the the longest living populations on the planet (Blue Zones) for inspiration — they eat a mostly plant based diet (95 % + of their diet)!

These authors do not seem to understand the fact that the conversion of beta - carotene to vitamin A is dependent on many factors, including sufficient fat in the diet, and that the production of vitamin A from plant pre-cursors is difficult for a large portion of the population, including those with digestive and thyroid problems.

Studies done on healthy Whole Food, low fat, plant - based vegans seems lacking, so hard to compare different populations....

The 4 healthiest populations on the planet are primarily plant based eaters.

The evidence of epidemiology of over 200 studies done with different vegetarian and vegan populations have shown the protective effect of diets based on plants.

This likely explains why populations living on traditional diets revolving around whole plant foods have largely remained free from the epidemic of heart disease.

Some populations today thrive on very few vegetables, while others subsist almost entirely on plant foods.

Populations eating diets centered on whole plant foods have lower rates of cancer.

Second is the research on different populations or population subgroups that eat different mixtures of plant and animal foods.

The population of chromosomes used in the case of plant strategy (based on Grime et al., 1995 [ch.