Sentences with phrase «animal migrations»
"Animal migrations" refers to the regular and seasonal movements that animals make from one place to another in search of food, better weather conditions, or suitable environments for breeding and raising their young. Full definition
Until now, most studies of animal migration have focused on large, easy - to - study birds and mammals.
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While we often think of land bridges as animal migration highways, they also help plants disperse.
Until recently, scientists could only study animal migration by tracking a small subset of individuals through GPS collars.
In the frozen wilds of Alaska, the Arctic, Antarctic, and elsewhere, wildlife biologists have noted sudden changes in animal migration patterns, a loss of their habitat, a rise in sea levels.
This section highlights issues that cut across biomes, such as large - scale geographical shifts of vegetation (Figure 4.3) or animal migration patterns (e.g., Box 4.3; Box 4.5), and changes in land use and aquatic systems.
Many migration studies are done in short - lived species like songbirds, or by comparing a young bird to an older bird, said UMD biologist Thomas Mueller, an expert on animal migration and the study's lead scientist.
This sheds unprecedented light on what drives animals to migrate, he said, what cues they use, and how animal migrations respond to environmental change.
He sees the capability of using the team's research in the future to design models that will help game managers, conservation managers, farmers and tour operators predict animal migration, whether it's zebras or other migratory animals.
Cuvelier referred to cross-border fire suppression, water issues and animal migration concerns that would be complicated with the building of a wall.
The corridor has been considered a potential route for human and animal migrations between the far north (Alaska and Yukon) and the rest of North America, but when and how it was used has long been uncertain.
On a broader scale, «the [wildebeest] findings have implications for understanding the ecological role of past and present animal migrations,» says David Janetski, an aquatic ecologist at Indiana University of Pennsylvania.
This is probably the most spectacular animal migration on Earth.
But great animal migrations and assemblages are a spectacular thing to witness.
Scientists believe the road will eventually cripple the world's largest big animal migration — two million wildebeest, zebra, and Thomson's gazelle pass along this route in annual migration from Tanzania to Kenya — and devastate regional tourism.
So are oceanic oscillations causing animal migrations to change and the summer season to expand so consistently (by which I mean over many different measures)?
While there may be some entry - level positions that want to know more about potential job candidates, your cover letter isn't the place to give a dissertation on that advanced algebra course or your degree in ancient European animal migration.
Permafrost is melting; the timing of animal migrations is changing; and a host of other things that have great inherent stability are changing.
But our study shows that we also have to include the active biological processes, such as animal migrations, to predict and calculate the ocean's ability to absorb anthropogenic emissions of CO2,» says Professor Katherine Richardson of the University of Copenhagen, who is also one of the authors behind the study.
They've found a bump in animal migration three million years ago, but a spike in flora migration 10 million years ago, in support of the revisionist time frame.
Pieter Beck, research associate with the Woods Hole Research Center in Falmouth, Mass., and three collaborators studied animal migration in a novel way, which they described in a paper published in the Journal of Geophysical Research — Biogeoscences, a publication of the American Geophysical Union.
From the right whale to the cerulean warbler, animal migrations are on the decline — and conservationists say it is time to take steps to save them before it is too late
All three experts provided vivid descriptions of the complexity of the 2,000 - mile - long border region, highlighting the environmental challenges that affect both sides related to water resources, animal migration, Native American communities, air quality, health, biodiversity and pollution.
The high frequency of imaging will potentially be useful in detecting global changes in crop cover, construction, animal migrations, pest infestations, surface water, natural disasters, refugee camps, sea ice, pollution, traffic patterns.
This suggests that gut bacteria can be used to trace early human and animal migrations, Moeller says.
«Stable isotopes are a powerful tool for understanding patterns of animal migration,» adds Nelson.
Animal migration has fascinated humans for millennia.
Permafrost is melting; the timing of animal migrations is changing; and a host of other things that have great inherent stability are changing.
3/30/16 — Animal migrations are among the world's most inspiring natural phenomena, but a researcher who studies them has noted in Issues that many peripatetic species are increasingly threatened.
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