Sentences with phrase «changing species composition»
At the same time, changing species composition in our forests can also affect wetlands as they drop their leaves into the water.
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Colonization by the human and animal parasite, Giardia, changed the species composition of the mouse microbiome in a way that might be harmful.
Researchers observed that consuming emulsifiers drastically changed the species composition of the gut microbiota in a manner that made it more pro-inflammatory, creating a niche favoring cancer induction and development.
They observed that emulsifier consumption changed the species composition of the gut microbiota and did so in a manner that made it more pro-inflammatory.
Urbanization is an important factor because it changes the species composition in an area, favoring the types of mosquitoes that live near and feed on people, such as Aedes aegypti, and causing other species to decline, such as those adapted to wetlands and other natural habitats.
I hope there is a lot of work documenting changing species compositions in and around coral reefs.
Not exact matches
Milk composition changes across the lactation are fascinating, and they occur in all species.
There are clues that these species may fare better than their stony counterparts after a disaster, but more research needs to be done to understand how storms, warming waters and ocean acidification can alter the composition of reefs and whether these changes are permanent or short - lived, Lasker says.
This shift results in significant changes in forest species composition with their accompanying ecological effects and, moreover, affects the capacity of forest biomass (the mass of living trees) to store carbon.
«Permafrost starts to thaw, different plant species get established, forest composition shifts and the ways that people use the landscape change.»
By cross-referencing these impacts with data on local elephant populations, forest tree - species composition and structure, nutrient availability, and understory growth in existing Central African forests — both protected and unprotected ones alike — Poulsen and his team determined that up to 96 percent of all forests in the region were susceptible to dramatic changes if elephant populations shrank or disappeared.
Dramatic changes in species composition may establish other equilibrium energy flows which involve other species compositions than before (ecosystem shift).
Consequently, antivenin produced for one species of saw - scaled viper will not necessarily neutralize the venom of another species of saw - scaled viper, highlighting how changes in venom composition can adversely affect snakebite therapy.»
Changes in water yield were largely related to changes in climate, but disturbance - related shifts in forest species composition and structure over time also played Changes in water yield were largely related to changes in climate, but disturbance - related shifts in forest species composition and structure over time also played changes in climate, but disturbance - related shifts in forest species composition and structure over time also played a role.
«Prior to this work, large, abrupt changes to forest structure and species composition were needed to induce a change in water yield we could detect,» said Caldwell.
Almost 80 percent of the communities the team examined showed substantial changes in species composition, averaging about 10 percent change per decade — significantly higher than the rate of change predicted by models.
Changes in forest structure and species composition alone decreased water yield by as much as 18 percent in a given year since the 1970s after accounting for climate.»
«This study is one of the first to show that gradual and subtle changes in forest structure and species composition, driven by climate change — as well as invasive insects and pathogens that act on a fraction of tree species within a forest — can also affect water yield.»
The scientists did not study how changes in fish species affect the composition and quality of milk that mother sea lions feed their pups, which affects the growth of the pups.
The changes in prey were documented by Southwest Fisheries Science Center surveys off the California Coast, which sample the composition of fish species.
For example, at some subarctic lakes, the number of planktonic algae increased 25 %, while some high - Arctic sites showed a whopping 100 % change in species composition.
It was the proliferation of such oxygen - producing species throughout Earth's evolutionary trajectory that changed the composition of our atmosphere — adding much more O2 — which was as important for the development of ancient multi-cellular life as it is for us today.
Most indicators of the state of biodiversity (covering species» population trends, extinction risk, habitat extent and condition, and community composition) showed declines, with no significant recent reductions in rate, whereas indicators of pressures on biodiversity (including resource consumption, invasive alien species, nitrogen pollution, overexploitation, and climate change impacts) showed increases.
They «alter the community composition of near shore systems, change sediment characteristics, and facilitate the introduction of invasive species,» says the study.
Additionally, the overall composition of species changed significantly; carnivorous mollusks appeared to fare particularly well, increasing in prevalence at all sites, while their herbivorous relatives often decreased in abundance.
«Dramatic shifts in species distributions, community composition, forest diversity and ecosystem functioning have to be expected,» Engelbrecht says, «even with relatively small changes in dry season lengths of only about one month.»
Rhesus macaques could potentially impact the native plant and animal species in the park in several ways; for example, eating plants needed by other animals, changing the plant composition in the park, or pushing other animals out of the habitat by being aggressive, Anderson said.
The researchers fear that when the composition of the tree species changes, there will be a knock - on effect on these processes.
In order to find out which bacterial species may be present in the air and on the surfaces inside spacecraft and how the composition of the microbiota may change during human habitation, a crew of six male «Marsonauts» lived inside a mock - up spacecraft, located in Moscow, from 3rd June 2010 to 5th November 2011.
In other words, even though the species composition may shift in response to changes in the climate, the bog itself can remain largely unaffected.
Changes in the composition of pollen contents (revealing many species and ecosystems) during the ages (geological record) may show more subtle variances in climatic conditions.
The land also includes buckthorn, a non-native plant species, which is known to change the chemical composition of the soil and remove light from the canopy trees.
Mounting evidence suggests that anthropogenic global change is altering plant species composition in tropical forests.
Strictly defined, succession is the change in species composition and community structure with time.
Abstract Mounting evidence suggests that anthropogenic global change is altering plant species composition in tropical forests.
When human beings travel around the world, their gut flora change in composition, shifting the ratios of different microbial species and even introducing new species.
For my post-doctoral project, I decided to focus on the question, «to what extent can atmospheric pollutants, such as CO2 and ozone, exert a selective effect on woody plant species, and how are the resulting changes in the genetic composition of the plant community likely to affect the animals that feed on them?»
[1] Ketogenic diet benefits body composition and well - being but not performance in a pilot case study of New Zealand endurance athletes https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5506682 [2] Ketogenic low - carbohydrate diets have no metabolic advantage over nonketogenic low - carbohydrate diets https://academic.oup.com/ajcn/article/83/5/1055/4649481 [3] Energy expenditure and body composition changes after an isocaloric ketogenic diet in overweight and obese men https://academic.oup.com/ajcn/article/104/2/324/456464 [4] Ketones block amyloid https://www.ncbi.nlm.nih.gov/pubmed/26923399 [5] Ketones Inhibit Mitochondrial Production of Reactive Oxygen Species Production Following Glutamate Excitotoxicity by Increasing NADH Oxidation https://www.ncbi.nlm.nih.gov/pmc/articles/PMC1865572/ [6] The ketogenic diet may have mood - stabilizing properties https://www.ncbi.nlm.nih.gov/pubmed/11918434 [7] The antidepressant properties of the ketogenic diet http://www.ncbi.nlm.nih.gov/pubmed/15601609
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.
Along The Coast On Katmai's Pacific coastline, birds are very abundant throughout the year, but the species composition changes dramatically from summer to winter.
Towards evening as we approach the islands we are closer to the Subantarctic and sub tropical convergence and we see a subtle change in the species composition.
Temperature changes in the tropics appear to have been smaller, however the increased aridity did lead to a modest reduction in the tropical rainforest extent, but a rapid turnover in species composition.
Changes in the composition of pollen contents (revealing many species and ecosystems) during the ages (geological record) may show more subtle variances in climatic conditions.
We've changed the composition of the atmosphere, transformed biology by shifting or extirpating species, and discernibly altered landscapes and waterways around the inhabitable parts of the planet.
Gradual changes in composition resulting from decreased evergreen conifer productivity and increased mortality, as well as increased deciduous species productivity, can be facilitated by more rapid shifts associated with fire disturbance where it can occur.
It is changing the composition of species in ecosystems, reducing soil fertility, depleting the ozone layer, intensifying climate change, and creating dead zones in the Gulf of Mexico and other near - coastal seas.
The composition of the region's forests is expected to change as rising temperatures drive habitats for many tree species northward.
The models used the Intergovernmental Panel on Climate Change's «A1B» mid-range projected emission scenarios for ozone and aerosol precursors, independently calculated the resulting composition change, and then performed transient simulations to 2050 examining the response to projected changes in the short - lived species and to changes in both long - lived and short - lived species togChange's «A1B» mid-range projected emission scenarios for ozone and aerosol precursors, independently calculated the resulting composition change, and then performed transient simulations to 2050 examining the response to projected changes in the short - lived species and to changes in both long - lived and short - lived species togchange, and then performed transient simulations to 2050 examining the response to projected changes in the short - lived species and to changes in both long - lived and short - lived species together.
The northern ocean is abuzz with life, but the composition of those high Arctic species is changing as the world gets warmer.
He writes that epochs are never named for the causes of change but for the changed composition of the species present in each epoch, era or period.