Sentences with phrase «own seasonal migration»

The larger species in the study tended to flow in a consistent direction, suggesting that more species may have specialized biology for seasonal migrations than scientists realized, says study coauthor Jason Chapman, now at the University of Exeter in Penryn, England.

Now, an analysis of one animal's teeth suggests that it undertook long, seasonal migrations like...

Roads are directly responsible for the deaths of reptiles and amphibians in Massachusetts during seasonal migrations to nesting sites, seasonal migrations from uplands to breeding wetlands, movement between wetlands and thermoregulation (basking) on road surfaces.

Sure monarchs are master travelers, with the longest - known seasonal migration of any insect.

Seasonal migration — which occurs when species breed in one geographical area and winter in another — is commonly hypothesized to have evolved as ancestral species native to the tropics began to shift their breeding ranges northward.

Others may pass briefly through Arkansas on seasonal migrations.

African lions Panthera leo, for example, occupy stable territories year - round, even in situations where their most abundant prey undergo seasonal migrations and so become inaccessible for part of the year5.

If you're looking for a little bit of eye - popping, life - changing action, keep your eyes peeled during July to November when the humpback whales make their annual seasonal migration.

Catch sight of these majesties of the ocean as they travel the east coast of Australia on their seasonal migration.

Yet these seasonal migrations, as well as the villages and camps that lay deeper in the valley, have rarely been surveyed.

Whale - watching cruises also run out of Port Stephens» main town, Nelson Bay, between May and mid-November when humpback whales swim along the coast on their seasonal migrations.

Californians make their own seasonal migration to greet them, and call out their support.

The Mola Mola, or Oceanic Sunfish, host their seasonal migrations to these islands.

This is especially bad news as the seasonal migration of the gray whales is occurring along the CA coast from now through Mar / April.

The seasonal migration of both the ITCZ and the South Pacific Convergence Zone (SPCZ) are affected by the presence of El Niño.

In Ontario the government has failed to protect migratory birds by failing to stipulate that wind turbines must not be placed in the vicinity of migratory bird stopovers, diurnal and seasonal migration routes and important bird areas

The Chukchi Sea is also part of the seasonal migration route for Bowhead whales that supports subsistence hunting by local indigenous communities.

The IPY - CFL sampling program provided a rare opportunity to study zooplankton seasonal migration and physiological traits during the poorly documented winter season.

The length of the growing season in interior Alaska has increased 45 % over the last century7 and that trend is projected to continue.8 This could improve conditions for agriculture where moisture is adequate, but will reduce water storage and increase the risks of more extensive wildfire and insect outbreaks across much of Alaska.9, 10 Changes in dates of snowmelt and freeze - up would influence seasonal migration of birds and other animals, increase the likelihood and rate of northerly range expansion of native and non-native species, alter the habitats of both ecologically important and endangered species, and affect ocean currents.11

One paper that describes the CURRENT seasonal migration is available here by NASA.

Moreover, changes in wind patterns, especially in relation to seasonal migration timing, could help or hinder migration (Butler et al., 1997).

And with widenning of the Hadley cell extent, would the seasonal migration of the ITCZ also increase (and is that related to any changes in variability)?

Just last September, an acoustic monitoring program was established by the Bioacoustics Research Program at the Cornell Lab of Ornithology in alliance with the New York State Department of Environmental Conservation for this very reason: to track whales» seasonal migration patterns and provide information to New York state policymakers who develop strategies and management plans to protect these threatened mammals.This listening system originated with the thirteen high - tech buoys deployed around Massachusetts Bay which sounds an alarm to ship captains warning them of the presence of whales so that they will reduce the sped of their vessels to 10 knots.

First and foremost, the Supreme Court's decision necessarily clarifies the requirements for proving Aboriginal title under Canadian law, particularly for semi-nomadic tribes like the Tsilhqot» in who experienced historical patterns of seasonal migration.

Broker analysts agreed that factors that negatively impacted tourism and seasonal migration in 2016 like the February stock market slump, a low Canadian exchange rate, Brexit and Zika fears, and the presidential election are behind us now.

Not exact matches

LINCOLN — Each March, as spring approaches and birds begin their annual migration to New England breeding and nesting grounds, hundreds of people gather in their own seasonal rite, at the Mass Audubon Birders Meeting.

One tooth revealed that the oxygen isotopes gradually changed over five months, strengthening the idea that the migration was seasonal.

Evoked by a new analysis of a fossil tooth of the long - extinct animal, called Diprotodon, the scenario would be the only known seasonal mass migration among marsupials and their close kin.

The paper «Seasonal ITCZ migration dynamically controls the location of the (sub) tropical Atlantic biogeochemical divide» highlights how dust blowing off Africa's deserts amplify surface levels of iron in the Atlantic that in turn control the spatial activity of nitrogen gas fixing phytoplankton and phosphate content in the Tropical Atlantic.

The island was named after a 19th century Russian explorer who inferred its existence by observing seasonal bird migrations and listening to stories from indigenous people in northeastern Siberia.

According to a new analysis of a fossil tooth of the long - extinct animal, called Diprotodon, the scenario would be the only known seasonal mass migration among marsupials and their close kin.

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

Locally, declining sea ice is affecting the feeding and migration patterns of polar bears, whales, walrus and seals, and the people who live in the Arctic and rely on seasonal ice for their livelihoods.

Keywords: autumn fall winter migration preparation emergency animal behavior survival adaptation hibernation seasonal changes

The production of huge biomass quantities in these distinctive soda lakes and the food web that this green algae supports are also of international scientific value, and provide critical support to birds, which visit the property in large numbers as part of their migration in response to seasonal and episodic changes in the environment.

Please note: This tour is seasonal and operates from April to mid-December, subject to the whale migration schedule.

The Society of Marine Mammalogy states that gray whale breeding and calving are seasonal and closely synchronized with migration..

Its location is unrivalled with full views of Mount Kilimanjaro and in the path of seasonal elephant migrations.

If you visit us during the seasonal whale migrations, you may also get to see some whales up close and perhaps, even swim with the dolphins.

Hikers and mountain bikers enjoy bluff - top excursions to view seabirds, the seasonal gray whale migration and spring wildflowers.

Seasonal phenology refers to the timing of breeding, migration, leafing out, flowering etc..

During times of low sea level the continents are emergent, land faunas flourish, migration routes between continents open up, the climate becomes more seasonal, and probably most importantly, the global climate tends to cool off.

Unfortunately, there is a seasonal component in those SST anomaly maps, and it's difficult to determine whether the seasonal component is enhancing or inhibiting the appearance of northward migration of warm waters.

For example, reductions in seasonal sea ice cover and higher surface temperatures may open up new habitat in polar regions for some important fish species, such as cod, herring, and pollock.128 However, continued presence of cold bottom - water temperatures on the Alaskan continental shelf could limit northward migration into the northern Bering Sea and Chukchi Sea off northwestern Alaska.129, 130 In addition, warming may cause reductions in the abundance of some species, such as pollock, in their current ranges in the Bering Sea131and reduce the health of juvenile sockeye salmon, potentially resulting in decreased overwinter survival.132 If ocean warming continues, it is unlikely that current fishing pressure on pollock can be sustained.133 Higher temperatures are also likely to increase the frequency of early Chinook salmon migrations, making management of the fishery by multiple user groups more challenging.134

Researchers also uncovered shifts in seasonal behavior, or phenology, such as breeding, egg - laying and migration.

Beach erosion and migration resulting from development or seasonal variations are ongoing problems in many oceanfront locations.