Sentences with phrase «how animal migrations»

Not exact matches

Although much research has focused on understanding how animals guide their migrations across large regions of the planet, we know very little about this phenomenon, particularly for large, difficult - to - track species.

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.

Other studies have gauged how climate changes will affect migration, flowering, and other factors that could put plants and animals out of step with the world around them.

By using fruit fly as a model system, Minna Poukkula working at the Institute of Biotechnology, University of Helsinki, has found out how actin - rich protrusions contribute to cell migration in animal tissues.

«We're moving toward [magnetic sense] being the default hypothesis for how marine animals achieve their long - distance migrations,» says co-author Nathan Putman, a Florida - based biologist with the National Oceanic and Atmospheric Administration.

«We've known there's been an interchange of animals between Asia and North America in the late Cretaceous period, but this is the first example we have of a fossil in the High Arctic region showing how this migration may have taken place,» says John Tarduno, professor of geophysics at the University of Rochester and leader of the Arctic expedition.

In their paper, Stringer and ecologist Jon Stewart from the Bournemouth University in England show how changes in climate have controlled the migration of different types of animals.

While biologists have tracked how global warming has altered the developmental, migration, timing and other behavior in plants and animals, what makes this study unusual is the physical changes in the bees, said study co-author Candace Galen at the University of Missouri.

This unit on Migration explains what migration is, why animals migrate, how they migrate, and where they migrate.

In a book, «Grass - Fed Cattle: How to Produce and Market Natural Beef,» the author Julius Ruechel theorized that soil was enriched as a result of the migration of giant herds of ruminants and other animals across the world's great plains.

While biologists have tracked how global warming has altered the developmental, migration, timing and other behavior in plants and animals, what makes this study unusual is the physical changes in the bees, said study co-author Candace Galen at the University of Missouri.

This is a dramatically illustrated and fastidiously annotated survey of how climate change is altering the global ecosystem — from melting glaciers to animal migrations, to droughts — not to mention how it is affecting cities and societies.

For example, it remains unclear how the contraction of ice cover would affect the migration routes of animals (such as whales) that follow the ice front.