Sentences with phrase «little studied species»

Beluga whales are a mysterious, little studied species that lives surprisingly close to Alaska's few major centers of human population.

Not exact matches

Submersibles have caught two species of little - studied Gonatus squid eating each other deep in the waters of California's Monterey Bay

The study, «Response of understory vegetation to salvage logging following a high - severity wildfire,» reports a modest difference between logged and unlogged areas for some shrubs, but researchers with the agency's Pacific Southwest Research Station conclude the diversity of plant species and their abundance, as a whole, differed little between logged and unlogged sites.

Little was known about the actual lifespan and seed viability — the percentage of seeds that germinate — of Ailanthus, a species that is now considered a growing invasive threat in numerous spots in the United States, according to Matt Kasson, assistant professor of forest pathology, West Virginia University, who began his study of Ailanthus at Penn State.

«There has been little evidence to date that the environmental services provided by tropical forests are really conditional on fully functional forest ecosystems that can retain a full complement of wildlife species, but this study shows that biodiversity and natural ecosystem services are inextricably linked.

While little to nothing is known about when the vast majority of butterfly and moth species fly, eat and mate, the study provides a basic and much - needed framework by compiling existing data, said lead author Akito Kawahara, associate professor and curator at the museum's McGuire Center for Lepidoptera and Biodiversity at the University of Florida.

«It's more than a little depressing that after a century of work, we still seem not to know how many species there are in the funestus group, let alone how good each is at transmitting malaria,» adds evolutionary biologist Andrew Read of Pennsylvania State University, University Park, who studies the evolutionary genetics of malaria and its vectors.

All 18 species of penguin were studied; Emperor and Adelie (Antarctica), King, Chinstrap, Gentoo, Macaroni, Royal, Southern Rockhopper, Northern Rockhopper (Sub-Antarctic), Little, Fiordland, Snares, Erect - crested, Yellow - eyed (Oceania), and African, Magellanic, Humboldt and Galapágos (Africa and South America).

A landmark new study, led by scientists at Bowdoin and the California Academy of Sciences, explores the fascinating, little - known natural history of the face mite species Demodex folliculorum, using genetic testing to link the microscopic animal's evolution to our own ever - evolving human story.

However, we know very little about the meaning of different howl types and what they are actually communicating, says Kershenbaum, because — as with dolphins, that other highly vocal, smart and social species which he studies — wolves are extremely difficult to study in the wild.

To add to this problem, little is known about the numbers of some species in the wild: there are simply too many species for all of them to be studied.

«It's a little bit of conjecture, but our thought is that a lot of food habit studies that have not been able to verify that their scat is actually from the species that they're studying probably do have this bias soaking in from other species,» said McCarthy.

The study «illustrates how full genomic information from a model species can help provide considerable insight into the genomic structure» of a distantly related and little - studied organism, the researchers write in Genome Research.

Assuming the greatest pace of economic development with little regard for the environment, the study predicted that 1,101 species would be lost over the next century due to habitat loss alone, while just 64 would be lost to climate change alone.

The scrupulous research conducted by IUCN volunteers on each of its studied species develops excellent data on important matters such as decreasing population, decreasing range and range fragmentation, but little ecosystem context is given.

In the study, published online in Cell, scientists from New York University analyzed the genome of a species of fish called little skates.

A new study published in the Journal of Human Evolution finds that Homo floresiensis, a teensy little hominin species first discovered only a little more than a decade ago in a cave on the indonesian island of Flores, probably doesn't fit into the human family tree the way we thought.

Here's where it gets more complicated: Specific species and strains — the species name comes after the genus, and the strain often looks like a little code of letters and / or numbers on the end — of probiotics have been studied in regards to certain health conditions.

I think this study shows that a high - fiber diet does very little in altering the composition of gut flora, while a high RS diet makes immediate changes, favoring butyrate producers, and creating an environment hostile to pathogenic species.

Similar fructose increases have been reported in healthy volunteers who consumed fructose loads between 0.5 and 0.75 g / kg34 and in individuals who consumed fructose - sweetened beverages with mixed meals.35 Leptin and ghrelin levels were indistinguishable following acute ingestion of glucose or fructose, a finding possibly attributable to the short time interval of observation; leptin levels typically change 4 to 6 hours after glucose administration.36 Although fructose was previously reported to be less effective than glucose in suppressing ghrelin, such differences may be attributable to the different conditions and timing of ghrelin measurements.10 Little is known about the acute PYY response to fructose ingestion compared with glucose ingestion, although 1 study in rats found higher rather than lower PYY levels after 24 hours of glucose but not fructose feeding.11 Whether such disparities are related to study design or species differences remains uncertain.

Without any training or suitable qualification, a 26 - year - old English rose by the name of Jane Goodall was sent to deepest, darkest Tanzania in 1957 to study chimpanzees, a species about which little was known.

And they are using the opportunity to study a species they know very little about: this palm - sized, black - and - white bird.

Largely because of these mechanisms, most marine phytoplankton tested in single - species laboratory studies and field population experiments show little or no change in photosynthetic rates when grown under high pCO2 conditions equivalent to ∼ 760 μatm (Tortell et al. 1997, Hein & Sand - Jensen 1997, Burkhardt et al. 2001, Tortell & Morell 2002, Rost et al. 2003, Beardall & Raven 2004, Giordano et al. 2005, Martin & Tortell 2006).

This 122 - post list of alarmists and skeptics is very telling about how the subject is treated at large and why it has little chance to be moved toward a logical study of the technical issues — i.e., if our species faces a threat from CAGW.

It certainly is an inspiring study for outdoor cat owners to rig up their feline friend with a spycam, so that they can see just what kind of hunter it is and it maybe it should spend a little more time inside, especially if they live in an area with small, tasty - looking endangered species.

Assuming the greatest pace of economic development with little regard for the environment, the study predicted that 1,101 species would be lost over the next century due to habitat loss alone, while just 64 would be lost to climate change alone.