Sentences with phrase «of changing climatic conditions»

Scarcity of food sources from destruction of farmland and pastoral areas because of changing climatic conditions, he said, has helped foment wars in his country, including the one in Darfur.
We also recognise that climate change presents a number of risks to our business, particularly in relation to regulatory changes and the impact of changing climatic conditions on our vineyards.

Not exact matches

• We are increasing the amount of carbon dioxide in the air, causing changing climatic conditions and global warming.
Barry Sinervo, a reptile and ecology expert at the University of California, Santa Cruz, who was not involved with the recent study, pointed to some of his own research, such as a study published in Science in May 2010 that examined extinction rates in lizards alongside changing climatic conditions.
Although no single fire, no matter how severe, can be concretely linked to global climate change, the climatic conditions seen in Colorado this year fit the kind of pattern scientists expect to see in the future.
«This is because plant and animal pest numbers and vigour could increase under changed climatic conditions and at the same time impact on the persistence of native species.»
The calculations are in line with estimates from most climate models, proving that these models do a good job of estimating past climatic conditions and, very likely, future conditions in an era of climate change and global warming.
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.
Particularly worrisome is the accelerated downward trend in the last few years, signaling that some populations just may not be able to cope with fast - changing climatic conditions heaped on top of other existing pressures.
Project leader Enno Schefuß from the MARUM — Center for Marine Environmental Sciences at the University of Bremen, Germany, adds: «The project was funded by the Deutsche Forschungsgemeinschaft in the priority programme «Integrated Analysis of Interglacial Climate Dynamics (INTERDYNAMIC)» with the aim to identify potential mechanisms triggering abrupt changes under current climatic conditions.
In their article «Impacts of climate change on electric power supply in the Western United States,» they report that power stations are particularly vulnerable to adverse climatic conditions predicted to occur within the next half - century.
«Humans can adapt their behaviour to a wide range of climatic and environmental conditions, so it is essential that we understand the degree to which human choices in the past, present and future are resilient and sustainable in the face of variable weather conditions, and when confronted with abrupt events of climate change.
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.
Both monuments of different historical eras and construction materials are subject to variable climatic conditions and their study is expected to enlighten the influence of climatic change to the safeguarding of CH assets.
«There have been a lot of recent changes — the advent of agriculture, shifts in diet, new habitats, climatic conditions — over the past 10,000 years, and we're using these data to look for those signals of very recent adaptation.»
Project Learning Tree and the University of Florida developed this secondary module to help educators in the Southeast teach about climate change impacts on forest ecosystems, the role of forests in sequestering carbon, and strategies for reducing greenhouse gas emissions and adapting to changing climatic conditions.
The term climatic changes are linked to the change in the season or weather condition which largely affects the habitats of this globe.
Meanwhile, we are witnessing an extraordinary increase in disastrous climatic changes as well as shortages of wheat due, in part to weather conditions and also to conversion of wheat fields to produce corn for ethanol.
Over-abundance of koalas at Cape Otway is a complex long - term issue brought about by their love of Manna Gums, their reluctance to change food source, favorable climatic conditions and an absence of predators.
In some conditions, saturation can occur while holding temperatures steady, but the climate response can still change the fluxes — this won't generally add a significant net flux where optical thickness has brought the net flux to zero, but it can change the net flux at TOA even if the effect of optical thickness has been saturated at TOA, and the climatic response could «unsaturate» the effect at TOA by creating a thinner layer of different temperature.
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.
In the Arctic regions, the Eskimo economy underwent a marked change to adjust to these more extreme conditions, which amounted to about 5 ° or 6 ° C below the mean of the climatic optimum.
As for how this could be — and in light of the findings of the references listed above — Rankl et al. reasoned that «considering increasing precipitation in winter and decreasing summer mean and minimum temperatures across the upper Indus Basin since the 1960s,» plus the «short response times of small glaciers,» it is only logical to conclude that these facts «suggest a shift from negative to balanced or positive mass budgets in the 1980s or 1990s or even earlier, induced by changing climatic conditions since the 1960s.»
According to the WFP, «Changes in climatic conditions have already affected the production of some staple crops, and future climate change threatens to exacerbate this.
While Indigenous peoples are generally depicted as victims of poverty and vulnerability to climate change, the document suggests that it would also be appropriate to emphasize their sensitivity to the environment, adaptive capacity and resilience, as manifested by their ability to modify their behaviour in response to changing climatic conditions.
This series of publications is intended to empower sub-national planners to take action, and to prepare their territories to adapt, and hopefully thrive, under changing climatic conditions.
sensitivity the degree to which a system will respond to a change in climatic conditions (e.g., the extent of change in ecosystem composition, structure and functioning, including net primary productivity, resulting from a given change in temperature or precipitation)
Even in areas where precipitation does not decrease, these increases in surface evaporation and loss of water from plants lead to more rapid drying of soils if the effects of higher temperatures are not offset by other changes (such as reduced wind speed or increased humidity).5 As soil dries out, a larger proportion of the incoming heat from the sun goes into heating the soil and adjacent air rather than evaporating its moisture, resulting in hotter summers under drier climatic conditions.6
The model must also provide accurate predictions of changes in climatic conditions (i.e. the climatic statistics) on the regional and local scale?
These new sea ice proxy records are needed (1) to fully prove the scenarios of a succession from an extended ice shelf to polynya / open - water conditions (cf., Fig. 6), (2) to reconstruct in more detail the changes in sea ice cover for early, middle and late LIG intervals characterized by very different external forcings and related internal feedback mechanisms, and (3) to allow a more fundamental proxy data / modeling comparison that results in model improvements and better reproduction of the LIG climatic evolution and prediction of future climatic scenarios20, 21,22,23, 64.
Food availability could be threatened through direct climate impacts on crops and livestock from increased flooding, drought, shifts in the timing and amount of rainfall, and high temperatures, or indirectly through increased soil erosion from more frequent heavy storms or through increased pest and disease pressure on crops and livestock caused by warmer temperatures and other changes in climatic conditions.
Anthony J. McMichael, who was professor emeritus at the Australian National University, noted in his posthumously published book Climate Change and the Health of Nations that «we face a change in global climatic conditions far greater and faster than anything in recorded human history.&Change and the Health of Nations that «we face a change in global climatic conditions far greater and faster than anything in recorded human history.&change in global climatic conditions far greater and faster than anything in recorded human history.»
Climate Change and Himalayan Cold Deserts: Mapping vulnerability and threat to ecology and indigenous livelihoods The remote cold desert stretches of high altitude Himalayas, having a fragile ecosystem are characterized by complex interplay of climatic and geo - morphological processes, availability of limited natural resources and economic conditions leading to accelerated resource degradation and associated environmental consequences [continue reading...]
«Neumann and Hearty (1996) considered the transition from warmer - than - present «greenhouse» conditions during sub-stage 5e to mid-glacial «icehouse» conditions of 5d to be a climatic «madhouse» in the Bahamas on the basis of geologic evidence of rapid sea - level changes, dune building, and intense storms at that time.»
So the climate has in one sense actually changed and we are now entering a new series of climatic conditions that we just haven't seen before.»
Part of the sense of urgency, the generals said in interviews last week, stems from the fact that changing climatic conditions will make it harder for weak nation - states to address their citizens» basic needs.
The most likely candidate for that climatic variable force that comes to mind is solar variability (because I can think of no other force that can change or reverse in a different trend often enough, and quick enough to account for the historical climatic record) and the primary and secondary effects associated with this solar variability which I feel are a significant player in glacial / inter-glacial cycles, counter climatic trends when taken into consideration with these factors which are, land / ocean arrangements, mean land elevation, mean magnetic field strength of the earth (magnetic excursions), the mean state of the climate (average global temperature), the initial state of the earth's climate (how close to interglacial - glacial threshold condition it is) the state of random terrestrial (violent volcanic eruption, or a random atmospheric circulation / oceanic pattern that feeds upon itself possibly) / extra terrestrial events (super-nova in vicinity of earth or a random impact) along with Milankovitch Cycles.
As we face an uncertain climatic future, the past can provide some illumination of possible changing conditions, and a combination of data and modeling brings the best of science together.
The main climatic cycle of ~ 2400 years delimits five periods of consistent climatic conditions identified over a century ago in the Blytt - Sernander sequence, separated by abrupt climatic changes.
Plant genetic diversity also has the potential to provide traits that can help meet future challenges, such as the need to adapt crops to changing climatic conditions or outbreaks of disease.»
Independent investigations of past climate change in the basin over the long - term period of record confirm that most of these changes in lake level were responses to climatically driven changes in water balance, including lake - level highstands commonly associated with cooler climatic conditions and lows with warm climate periods.
They stress the importance of maintaining a diversity within each crop, because: «Plant genetic diversity also has the potential to provide traits that can help meet future challenges, such as the need to adapt crops to changing climatic conditions or outbreaks of disease.»
Climate change: A term used to refer to all forms of climatic inconsistency, but especially to significant change from one prevailing climatic condition to another.
In 2002, the Larsen B ice shelf collapsed; in 2003, the World Glacial Monitoring Service reported that «The recent increase in the rates of ice loss over reduced glacier surface areas as compared with earlier losses related to larger surface areas (cf. the thorough revision of available data by Dyurgerov, 2002) becomes even more pronounced and leaves no doubt about the accelerating change in climatic conditions
Preferred habitat: edges of forests, lowland areas, fields, thickets; requires deep, moist, but well - drained bottomlands + + + + Foliage / winter appearance: evergreen + + + + Soil conditions: loam, clay loam, well drained + + + + Light conditions: partial shade to full sun + + + + Plant spacing: 8 to 15 feet + + + + Wildlife value: Seeds attract American Robin, Cedar Waxwing, Eastern Bluebird, Mickingbird; it is a butterfly nectar and larval food plant + + + + Note: plant will reseed itself prolifically with the help of robins; do not be surprised if a small number of your cherry laurel population die during changing climatic conditions
These changes are intimately linked to species responses to seasonal variations in environmental conditions (temperature and photoperiod) that, depending upon timing, can either exacerbate or buffer the long - term directional effects of climatic forcing.
The Met Office, particularly through the Met Office Hadley Centre for Climate Science and Services, is constantly expanding the observations and monitoring of past and current climatic conditions, making advances in forecasting the regional climate and climatic extremes for the coming seasons, and improving the understanding of climate change.
Changes between future (i.e., the average from 2091 to 2100) and contemporary (i.e., the average from 1996 to 2005) number of days with suitable climatic conditions for plant growth under RCP 8.5 (results for all RCPs shown in S5 — S7 Figs; data are provided in S2 Data).
But we're in danger of forgetting that it concerns a deadly serious matter: a change in the climatic conditions which have made human civilisation and the current human population possible, and, specifically, the degradation of the most wonderful and beautiful of the world's ecosystems into desert and scrubby grassland.
We evaluated 13 rice models against multi-year experimental yield data at four sites with diverse climatic conditions in Asia and examined whether different modelling approaches on major physiological processes attribute to the uncertainties of prediction to field measured yields and to the uncertainties of sensitivity to changes in temperature and CO2 concentration -LRB-[CO2]-RRB-.
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