Sentences with phrase «alpine species»

Monitoring for the National Trust for Scotland (NTS) has revealed that many fragile alpine species are vanishing from areas they used to inhabit and retreating to higher altitudes as a response to global warming.

There are already reductions in the population and health of Arctic species in the southern parts of the Arctic, Antarctic species in the northern parts of the Antarctic, and alpine species worldwide [43].

«The American pika may be an early - warning indicator of generally how alpine species may respond to contemporary climate change,» said Erik Beever, Ph.D., a wildlife ecologist who has studied pikas for the past 16 years.

There are already reductions in the population and health of Arctic species in the southern parts of the Arctic, Antarctic species in the northern parts of the Antarctic, and alpine species worldwide [43].

Even on this high, chilly mountain pass, it took Yin only minutes to locate alpine species that Wilson and other European plant hunters had discovered.

The Haleakala silversword is one of several rare alpine species that could lose out as the cloud forests in its namesake park creep higher.

If the burning would cease the heathlands would turn into forest and the alpine species disappear.»

Pinus mugo is an alpine species that should be quite resilient to increased UV levels.»

After acclimating them for a year outdoors in full sun with sparse water and nutrient - poor soil — typical conditions for this alpine species, Pinus mugo — ran a 56 - day indoor experiment using high - intensity UV - B - emitting lamps.

Not exact matches

«This could be a consequence of the limited variety of scents to be found in the arid, alpine meadow environment, but that doesn't explain why the yak, a species that also inhabits the Tibetan Plateau, has an increased number of olfactory receptor genes compared with cattle,» Dr Subramanian said.

Scientists at Sainsbury Laboratory Cambridge University have found that the mineral vaterite, a form (polymorph) of calcium carbonate, is a dominant component of the protective silvery - white crust that forms on the leaves of a number of alpine plants, which are part of the Garden's national collection of European Saxifraga species.

Rising temperatures in alpine habitats worldwide have resulted in declines in flowering among indigenous plants and contributed to dramatic declines in populations of several bumblebee species prevalent in those regions.

They resurveyed bumblebee species in the same alpine locations between 2012 and 2014 and measured their tongue lengths.

When they looked at the flowers visited by the alpine bumblebee species, they found that the bees» favorite flowers had not shifted to a shallower form, but were less prolific.

A new study from Stockholm University shows that the ancient pasture burning maintains biodiversity and habitats for alpine plant species not found anywhere else.

For alpine plant species, climate change presents a special challenge: To escape increased greenhouse warming, the species have to move to a higher - altitude habitat.

The researchers have applied their model to four alpine plant species and used supercomputers to simulate the dispersal and adaptation of these species under three possible climate scenarios up to the year 2090.

«Alien plants often gain advantages in their new environment because they lack natural enemies, and in this case the lack of strong competitors amongst alpine plants may be the key to success for generalist native species,» says ecologist Ann Milbau, assistant professor at the research station Climate Impacts Research Centre in Abisko, Sweden.

Georg Grabherr, a plant ecologist at the University of Vienna in Austria who specializes in alpine plants, hadn't expected the species to move so quickly over the decades.

Furthermore, each kind of plant shifted its optimum range at a different pace: Strictly mountain - living species such as alpine wildflowers moved faster, whereas species that were able to live in lowland areas, such as the common juniper, were less hurried.

«Most likely, these alien lowland species are becoming increasingly successful in alpine terrain due to the warmer weather we have experienced in the past decades,» says Ann Milbau.

As Earth heats up the cool alpine temperatures, plant species have begun a slow - motion diaspora to escape, relocating upward an average of 29 meters per decade.

If a single, dominant species of bumblebee mainly visits an alpine sunflower, for instance, other pollinators — including other species of bumblebees — are less likely to visit alpine sunflowers.

The newly discovered Himalayan forest thrush looks a great deal like the alpine thrush, but its far silkier song stylings gave it away as a potential new species.

And since the white - tailed ptarmigan is an «indicator species» for high - elevation ecosystems — the canary in the alpine — its path toward demise could signal the complete collapse of these ecosystems in the not - so - distant future.

The finding is significant both because the shift in plant communities could be clearly detected over time, but also because it suggests that plants adapted to colder temperatures that are now found in alpine plant communities will be subject to more competition, which «may lead to declines or even local disappearance of alpine plant species,» the researchers note.

We were very happy to see a number of native species that were new to us on this trip, including rare native dandelions, lots of chocolate lilies, and even one uncommon alpine forget - me - not, the state flower of Alaska.

In addition to the wonderful views afforded from the Brocken Plateau, our guests will also find a remarkable botanic garden, established in 1890, which offers a protected environment for many species of alpine plants and flowers some of which are rare.

With a knowing nod to this fascination with animals as both forces of nature and metaphors for human behavior, Stingel replaces the sublime vistas of the alpine landscape with colossal vignettes of the species that inhabit it.

Examples such as a rise in minimum winter temperatures that allow a new insect species to gain a foothold in a new ecosystem (pine bark beetles in Alaska), or warming that leads to movement upward in altitude of ecosystem zones that end up reducing the area of existing alpine biomes.

Belote said that the very tops of the western mountains and the central Great Plains and prairies in the United States are «particularly vulnerable... mostly because species that are accustomed to living in high alpine environments can't typically move any further upslope to track warming climate conditions.