Sentences with phrase «track changes in populations»

Following the publication of Silent Spring, Robbins helped develop the Breeding Bird Survey, a continent - wide census of birds designed to track changes in populations.

Not exact matches

Scientists in northern Spain tracking populations of Drosophila subobscura, a type of fly, observed reversible changes in the frequency of genetic mutations, or «chromosomal inversions» in the flies» genomes — essentially, parts of the chromosome get flipped around with the seasons, as the weather changes from hot to cold.

Varner is an assistant professor of biology at Colorado Mesa University and a co-founder of Cascades Pika Watch in Oregon, a collaborative citizen science program that invites volunteers to track populations of pikas, tiny mammals that are vulnerable to the effects of climate change.

With the advent of more and more sophisticated ways to measure genetic variation and relatedness using molecular markers, such as allozyme polymorphisms and DNA - based markers, not only can individuals be tracked as to their parentage, but changes in allele patterns over time and thus the effects of evolution on populations can be «seen» in the genetic information.

The technology successfully tracked in real - time how the diversity of tumor cell populations were changing in response to particular therapies for all of the patients studied, and was highly predictive of treatment effectiveness and patient outcomes.

As the resolution of Google Earth and satellite images increases, checking between images and the ground condition will provide a powerful way of tracking changes in large populations of circles.

Without keeping track of how the cats are doing and what changes are occurring in the colony, the cat population can easily grow out of control again or a sick cat can infect the community creating both human and animal health risks.

In tracking population growth, spikes in resource appetites, and explosive change in technologies that are sheathing the planet in human activity, it's not hard to find support for the contention by Stuart Hart of Cornell that our moment is unique, that we're not suffering from «chronocentrism,» the tendency of each generation to see its time as special (in a good or bad wayIn tracking population growth, spikes in resource appetites, and explosive change in technologies that are sheathing the planet in human activity, it's not hard to find support for the contention by Stuart Hart of Cornell that our moment is unique, that we're not suffering from «chronocentrism,» the tendency of each generation to see its time as special (in a good or bad wayin resource appetites, and explosive change in technologies that are sheathing the planet in human activity, it's not hard to find support for the contention by Stuart Hart of Cornell that our moment is unique, that we're not suffering from «chronocentrism,» the tendency of each generation to see its time as special (in a good or bad wayin technologies that are sheathing the planet in human activity, it's not hard to find support for the contention by Stuart Hart of Cornell that our moment is unique, that we're not suffering from «chronocentrism,» the tendency of each generation to see its time as special (in a good or bad wayin human activity, it's not hard to find support for the contention by Stuart Hart of Cornell that our moment is unique, that we're not suffering from «chronocentrism,» the tendency of each generation to see its time as special (in a good or bad wayin a good or bad way).

We've also learned in recent years how to track elephant seals, sea birds and some whale populations in ways that will change the map of wildlife protection, literally.

We don't have good information on the base of the food chain for most of the past — that's just «noise» but now that we start having ways to track trends in primary productivity — what's being made out of sunlight, water and CO2, by which organisms, and how fast do their populations change (remembering that some plankton populations turn over a new generation in a couple of weeks so relative numbers of different species can change that fast across the oceans).

, lightning related insurance claims, Lyme disease, Malaria, malnutrition, Maple syrup shortage, marine diseases, marine food chain decimated, Meaching (end of the world), megacryometeors, Melanoma, methane burps, melting permafrost, migration, microbes to decompose soil carbon more rapidly, more bad air days, more research needed, mountains break up, mudslides, next ice age, Nile delta damaged, no effect in India, nuclear plants bloom, ocean acidification, outdoor hockey threatened, oyster diseases, ozone loss, ozone repair slowed, ozone rise, pests increase, plankton blooms, plankton loss, plant viruses, polar tours scrapped, psychosocial disturbances, railroad tracks deformed, rainfall increase, rainfall reduction, refugees, release of ancient frozen viruses, resorts disappear, rift on Capitol Hill, rivers raised, rivers dry up, rockfalls, rocky peaks crack apart, Ross river disease, salinity reduction, Salmonella, sea level rise, sex change, ski resorts threatened, smog, snowfall increase, snowfall reduction, societal collapse, songbirds change eating habits, sour grapes, spiders invade Scotland, squid population explosion, spectacular orchids, tectonic plate movement, ticks move northward (Sweden), tides rise, tree beetle attacks, tree foliage increase (UK), tree growth slowed, trees less colourful, trees more colourful, tropics expansion, tsunamis, Venice flooded, volcanic eruptions, walrus pups orphaned, wars over water, water bills double, water supply unreliability, water scarcity (20 % of increase), weeds, West Nile fever, whales move north, wheat yields crushed in Australia, white Christmas dream ends, wildfires, wine — harm to Australian industry, wine industry damage (California), wine industry disaster (US), wine — more English, wine — no more French, wind shift, winters in Britain colder, wolves eat more moose, wolves eat less, workers laid off, World bankruptcy, World in crisis, Yellow fever.

First, it is a short generation time relative to the speed of environmental change that makes «reproducing rapidly» relevant to the ability of a species / population to track environmental changes in an adaptive manner.

Jerskey's most recent research involved the utility of neuroimaging techniques in identifying early biomarkers of disease, in addition to research exploring the subtle neuronal changes either to differentiate patient populations or to track changes over time.