Tag: "nesting" at biology news
Early life stress harms mental function and immune system in later years
...group, and her colleagues, found that limiting the nesting
material in cages where neonatal rats lived with their mothers led to emotional stress of both the mothers and their pups. All evidence of this stress disappeared by the time the pups reached adulthood. However, starting in middle age, these so-calle...
A $2 Million NSF grant brings technology and biology together at UC Riverside
...to the natural world. Embedded cameras monitor the nesting
cycles of birds, sensor networks track weather data on habitat microclimates and computers map out the potential damage from wildfires. This program will be shown at other dates and times during the month. Find out more at www.uctv.tv/search-details...
Census of Marine Life - Discoveries and Highlights 2004: Scientists add 4m+ records, 13,000 species
...therback sea turtles as they fanned out from their nesting
beaches in Costa Rica. The animals provide valuable insights along the way into their behavior (depth preferences, for example) and about ocean conditions. Movements of the ocean's top predators identify critical habitats and migratory corridors, cru...
What have scientists learned since Mount St. Helens erupted?
...occurred, and had not yet returned to their summer nesting
grounds at Mount St. Helens. Biological legacie...rve many ecological functions such as foraging and nesting
substrate and prey and predators, and facilitated the colonization of invading species. When survivo...
Harvard, Texas A&M scientists develop new laser
...o the Raman laser beam. "This 'matryoshka' design, nesting
a layer within a layer, enables a crucial physical innovation," explains Belyanin, who co-authored key theoretical ideas for laying in the foundation of the novel devices and has been collaborating with Capasso's group on their implementation since 2...
Introduced foxes transformed vegetation on Aleutian Islands from lush grasslands to tundra
... CRUZ, CA--Huge colonies of seabirds accustomed to nesting
on islands free of predators began disappearing when fur traders started introducing foxes onto islands in the Aleutian archipelago in the 18th century. The ground-nesting birds made easy meals for the foxes. A study published this week in the journa...
BP Conservation programme marks 15th anniversary
...viper snake in Armenia, to reducing the threats to nesting
leatherback turtles in Gabon. Award winners will be recognized at a ceremony held tonight at the Smithsonian's National Museum of the American Indian. The ceremony will feature renowned biologist and environmentalist Edward O. Wilson, Pellegrino Univ...
DNA from feathers tells tale of eagle fidelity
...orming DNA analysis on the feathers left behind at nesting
sites, the researchers were able to identify individual Eastern imperial eagles in a nature reserve in Kazakhstan. Their analysis showed that not one adult strayed from its mate - a degree of fidelity highly unusual among birds, the vast majority of ...
Microchip saves rare turtle from soup-pot
...Fisheries Department of Cambodia to protect turtle nesting
beaches and reduce local hunting and egg collectio...that this small population, with only a handful of nesting
females recorded each year, does not become extinct in Cambodia. "This is a clear and very positive ...
Alligator egg development at prehistoric oxygen levels
...source in the yolk and they are incubated in their nesting
material at a constant temperature of 89F and 100 percent relative humidity," said John Vanden Brooks , a graduate student in the Department of Geology and Geophysics at Yale University. He noted that large-scale changes in atmospheric partial oxyge...
A giant sucking sound for sea turtles
...CS. "Other countries are doing so much to protect nesting
populations and in-water aggregations of green tur...osta Rica in particular has worked hard to protect nesting
turtles from poachers. "Nicaragua plainly needs to do more to protect what is an international reso...
The ecological effects of the Chernobyl disaster
...n in the area, as well as examining age, sex, and nesting
preferences to determine the amounts and types of ...ow quantities of 90Sr and 137Cs vary with feeding, nesting
and migration habits. Timothy Mousseau will present "Consequences of radiation for reproduction and ...
Proposal would allow wild animals to roam North America
... of willows has negatively impacted the numbers of nesting
Why are birds' eggs speckled?
...ng yet thinner shell than paler spots, and females nesting
on low-calcium soils, laid thinner-shelled, more-spotted eggs than those on high-calcium soils nearby. Pigmentation may offer a way to assess eggshell quality....
Ants, not evil spirits, create devil's gardens in the Amazon rainforest, study finds
...lowing the ant colony to expand as it occupies new nesting
sites in the saplings," Frederickson explains. To ...stems, called domatia, which are the ants' primary nesting
sites. Artificial domatia were constructed out of foil-wrapped test tubes partially filled with cott...
Flawed studies assess dredge-and-fill programs to protect coastlines
...reefs and degrade other beach habitats, depressing nesting
in sea turtles and reducing the densities of prey for shorebirds, fishes, and crabs. In the October 2005 issue of BioScience, the monthly journal of the American Institute of Biological Sciences, marine scientists Charles H. Peterson of the Universit...
In Western bluebird as well as human families, accumulated wealth encourages stability
...re families of a father and mother with three sons nesting
nearby, a daughter a kilometer away, and an uncle up the hill, so it's common for family members to live quite close together," she said. Starting in 2001, Dickinson and undergraduate interns from UC Berkeley began cataloguing the mistletoe resources...
Abalones along Pacific coast may owe their huge, dinner-plate size to sea otters
...mmal populations off the California coast. Seabird nesting
areas are being impacted by a burgeoning sea elephant population, while sharks drawn by the mammals increasingly are attacking humans. "We make management decisions all the time without an evolutionary perspective on how the system assembled over tim...
Give a visiting ant a nice place to stay and it might stick around
...mportant factor in the ants success, they say, was nesting
preferences. "There are a huge number of species b...s in the records particular species were imported, nesting
behavior and their interaction on the success or failure of successful establishment. Slightly more ...
Give an ant a nice place to stay and it might stick around
...sidence here. The key to their success was finding nesting
sites like those they left behind. "This investigation helps us better understand which characteristics make organisms successful invaders," said Philip Ward, a UC Davis professor of entomology. The new findings arose from studies by Ward and a postd...
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