Sentences with phrase «seasonal movements»

Research >> GGRO's research programs are long - term volunteer studies in the Marin Headlands of seasonal movements of birds of prey.

The study revealed that tiger sharks undergo seasonal movements to take advantage of turtles nesting off the Carolinas during the summer.

We were particularly interested in the nature of this relationship because of the hypothesized seasonal movement of krill to inshore waters around the Antarctic Peninsula in winter, rapid changes in the climate and sea ice patterns of the Antarctic peninsula [15], [16] and the known relationships between baleen whales and krill.

The great seasonal movements of fish, be they coveted species such as bluefin tuna and cod or prey species like menhaden, are one of the essential elements of many aquatic ecosystems.

Research shows that a relatively warmer ocean south of the Equator inhibits the northward seasonal movement of rain into the Sahel.

Then, they looked at satellite data that measures variations in Earth's gravitational field to track the long - term and seasonal movements of water between the oceans and the continents.

Prompted by the extraordinary DNA identity, the scientists used information from decades - old botanical collections, knowledge of the seasonal movements of ancient hunter - gatherer - farmers and molecular DNA clock calculations to work out that the plants» seeds had almost certainly been transported by humans about 10,000 years ago.

That led to another discovery: The Amazon has up to three inches of seasonal movement, three to nine times the oscillation observed anywhere else.

The test can detect the presence of manatees where other methods won't work, help scientists identify the habitats manatees use and the patterns of their seasonal movements, and inform efforts to bring back wild manatee populations that are considered close to extinction, such as in Brazil or West Africa, said USGS research geneticist Margaret Hunter.

«We didn't find anything shocking about the fish migration — the seasonal movements and the species we found are known already,» says Stoeckle.

For hundredsperhaps thousandsof years, casual observers have noticed the seasonal movements of birds.

Researchers have undertaken the first high resolution analysis of the daily and seasonal movements of a free - living fish in polar waters, subject to extreme variation in photoperiod and temperature.

Golden Gate Raptor Observatory >> GGRO studies the seasonal movements of birds of prey in the Marin Headlands.

«Migration» isn't the word you want for the concept you're trying to describe, but is the proper word to use for the seasonal movements of elk in the Greater Yellowstone Ecosystem.

Figure 7u - 1: Seasonal movement of the Earth's global circulation patterns.

Figure 7u - 1 describes the seasonal movement of the intertropical convergence zone and other systems associated with our planet's global circulation.

Therefore, the Heat Equator migrates with the seasonal movement of the vertical rays.

The new analysis shows how little bits of DNA shed by fish track the seasonal movements of fish populations in and out of New York Harbor.

As usual, seasonal movements will occur throughout the year, but consumers are expected to maintain their strong payment performance.