Sentences with phrase «species as conditions change»

Not exact matches

One is changed environmental conditions for a discrete subpopulation of the original population, such as when ice ages cause dramatic changes in sea levels, cutting species into subgroups.

The distribution of wildlife on Earth is changing with the climate, making conditions more favorable to odd species such as trumpeter swans, beetles, marmots, albatross, killer whales and white - tailed deer

Projecting forward, the research team anticipate that the ranges of many species will shift to higher elevations as changing environmental conditions envelop the landscapes of the Albertine Rift.

Until now, most estimates of how many species are threatened by climate change have been based on theoretical studies that look at the climatic and environmental conditions that species need to survive, and overlay this with estimates of how much suitable habitat will remain as the world warms.

This mismatch between these numbers and 1880 estimates of at least three billion suggests that the passenger pigeon may have been what is known to ecologists as an «outbreak» species, like locusts, that boom and bust with changes in conditions, rather than a species that experiences a singular population explosion, as Homo sapiens has in the last 200 years.

After all, Miller notes, the species currently lacks much genetic diversity to help it adapt to changing conditions as well as facing unprecedented threats such as heavy metal pollution accumulating in the Arctic.

Climate change has been predicted to affect the ranges of species as favourable climate conditions shift towards the poles.

Alligators and the Everglades go hand - in - hand, and as water conditions change in the greater Everglades ecosystem, gators are one of the key species that could be affected.

«Correctly identifying an invasive species as either native or non-native is important for developing sound policy, management and scientific research programs, because effective responses depend on knowing whether the species» dominance is caused by ecological or evolutionary novelty, changes in environmental conditions that facilitate it or both,» Taylor said.

In his paper, Shapira proposes that animals and a set of core bacteria — or in general, a host with its core microbiota — evolve together, adapting as they can to changing conditions and perhaps, over time, becoming new species.

One tantalizing possibility is that as these restless bits of DNA drift throughout the genomes of human brain cells, they help create the vibrant cognitive diversity that helps humans as a species respond to changing environmental conditions, and produces extraordinary «outliers,» including innovators and geniuses such as Picasso, says UC San Diego neuroscientist Alysson Muotri.

Europe is particularly vulnerable, as it has the lowest fraction of its land area, only four per cent, of any continent in «refugia» — areas of biological diversity that support many species where natural environmental conditions remain relatively constant during times of great environmental change.

These results demonstrate the magnitude of trade - offs likely to be experienced by this species as they acclimatize to warmer conditions by changing to more thermally tolerant clade D zooxanthellae.

Other scientists have interpreted this as bird and butterfly populations keeping pace with climate change by favouring species that can best tolerate warmer conditions.

The researchers use computer models to forecast future ocean conditions such as surface temperatures, salinity, and currents, and project how the distribution of different fish species could respond to climate change.

Meanwhile, experiments aimed at helping corals adapt to changing conditions are under way, such as one that proposes shading to help some coral species recover after bleaching or disease.11 Perhaps the biggest help of all would be lowering atmospheric carbon dioxide below 2010 levels.

Increased abundances of invasive species: As climate change alters water temperatures, habitat, and fish communities, conditions that once were barriers to alien species become conduits for establishment and spread.91 This migration will alter drastically the fish communities of the Great Lakes basin.

Plant species become adapted to local conditions over thousands of years, meaning that what is locally adapted today could do poorly tomorrow as the climate changes.

As climate conditions are subject to change, tree species that have reigned in particular areas for centuries, possibly even millennia, will slowly decline and disappear.

There is just no denying that conditions on the planet are changing, and it stands to reason that many of those changes will eventually impact us, just as they do other species.

The vulnerability of marine species to changes in sea ice will depend on the exposure to change, which will vary by location, as well as the sensitivity of the species to changing environmental conditions and the adaptive capacity of each species.

At best, changes of such magnitude would trigger dramatic re-organization of ecosystems across the globe that would play out over the next few centuries; at worst, extinction rates would elevate considerably for the many species adapted to pre-global warming conditions, via mechanisms described above (inability to disperse or evolve fast enough to keep pace with the extremely rapid rate of climate change, and disruption of ecological interactions within communities as species respond individualistically).

Furthermore as conditions change, all species can shuffle their symbionts as polyps will expel their current residents and acquire a different type that had been harbored by a neighboring polyp.

Unpredictable and extreme weather conditions, combined with hotter, drier summers and wetter winters, were causing changes in the distribution and behaviour of some species, such as the hazel dormouse, the study finds.

As yet, there are few data on species» response across the complete life cycle of marine invertebrates to ocean acidification in isolation, and combined with (cf. [31]-RRB- warming and other climate - related stressors, to assess transgenerational adaptive potential to changing ocean conditions [67].

«If environmental changes such as declining pH or increasing temperature alter the abundance and species composition of the ocean biota, these changes may feed back to further affect ocean pH. If so, then we will need to account for these changes in our efforts to project ocean conditions into the future.»

«Some of the «weedy» species have been touted as great success stories, in which native butterflies had successfully adapted to the changed conditions created by European colonization of California.

They report inNature Climate Change that they have identified those factors that might make a species more likely to slip away into eternal oblivion as the planet warms and climate conditions cChange that they have identified those factors that might make a species more likely to slip away into eternal oblivion as the planet warms and climate conditions changechange.

Yes, it is 2011, soon to be 2012, and the Dinosaurs, the most successful species to ever populate the earth (for approximately five hundred million years) were not extinguished due to their inability to evolve and grow with natural changing conditions, but were simply eliminated by a one - in - a-million extra-terrestrial event over a short period of time (one to three years), as were all forms of sun reliant life with the exception of a few ocean dwelling species, subsurface ground dwelling worms, plant life like lichens and other mindless species able to lie dormant for extended periods of time, as well as nocturnal, ground dwelling little rodents that ate roots, dead or alive, (from which we so - called superior life forms evolved).