Sentences with phrase «vegetation patterns in»

Evidence that local land use practices influence regional climate and vegetation patterns in adjacent natural areas.

Climate change will drastically change vegetation patterns in the Arctic, which will in turn spur additional warming, according to a new study.

Not exact matches

This interval, in theory, would then be enough to allow a full recovery of the hydrological patterns and vegetation.

These microclimates occur because of local differences in the landscape and existing vegetation that control temperature, wind patterns, humidity, and available water.

So if you think of going in [a] warming direction of 2 degrees C compared to a cooling direction of 5 degrees C, one can say that we might be changing the Earth, you know, like 40 percent of the kind of change that went on between the Ice Age; and now are going back in time and so a 2 - degree change, which is about 4 degrees F on a global average, is going to be very significant in terms of change in the distribution of vegetation, change in the kind of climate zones in certain areas, wind patterns can change, so where rainfall happens is going to shift.

«To me the paper shows that multiscale patterns in Namibia can be explained by a coupled termite - vegetation model,» says M. G. «Max» Rietkerk, an ecologist at Utrecht University in the Netherlands.

An analysis of sediments deposited over the past 4600 years provides a record of the vegetation and soil nutrient patterns and shifts in hydrology, revealing some of the processes that have hitherto remained obscure.

Therefore mathematical modeling has the potential to be an extremely valuable tool, enabling prediction of how pattern vegetation will respond to changes in external conditions.»

«There is not enough water to sustain a complete coverage with continuous grass vegetation, which leads to the gap pattern,» explains Stephan Getzin, an ecologist at the Helmholtz Centre for Environmental Research in Leipzig, Germany, who was not involved with the new work.

Comparison of the vegetation turnover with younger assemblages from the Chinle Formation in New Mexico reveals similar floral turnover patterns, suggesting their regional significance.

In 1960 Nelson Hairston, Frederick Smith, and Lawrence Slobodkin (HSS) proposed that vegetation patterns are determined primarily by patterns of food consumption by herbivores.

The scientific literature contains two different mechanisms for a similar pattern — one stems from vegetation self - organizing in response to limited rainfall, and the other results from bustling termite mounds improving the lives of nearby plants.

NEON collects and produces data on precipitation patterns, soil and groundwater dynamics, interactions with vegetation, and processes such as nutrient cycling and food web dynamics in aquatic ecosystems to support the comprehensive study of water cycles throughout diverse ecosystems.

Organisation and dynamics of biocoenosis; biodiversity patterns at various scales; hydrobiology of running and standing waters and wetlands; ecological effects of climate and land use changes; conservation biology and restoration ecology; new plant resources; natural vegetation in Hungary; maintenance of the Botanical Garden.

The sawtooth pattern in the graphic shows just that in careful CO2 measurements over the past half - century or so: it builds during winter when deciduous trees are leafless, then declines in summer when the trees and vegetation take in the CO2 before the process starts building again the next fall.

-- 7) Forest models for Montana that account for changes in both climate and resulting vegetation distribution and patterns; 8) Models that account for interactions and feedbacks in climate - related impacts to forests (e.g., changes in mortality from both direct increases in warming and increased fire risk as a result of warming); 9) Systems thinking and modeling regarding climate effects on understory vegetation and interactions with forest trees; 10) Discussion of climate effects on urban forests and impacts to cityscapes and livability; 11) Monitoring and time - series data to inform adaptive management efforts (i.e., to determine outcome of a management action and, based on that outcome, chart future course of action); 12) Detailed decision support systems to provide guidance for managing for adaptation.

The highest potential for a causal mechanism of fairy circles probably lies in some form of landscape scale, self - organizing process similar to those proposed by Rietkerk et al., Couteron and LeJeune, and Tlidi et al. [11]--[16] as patterning vegetation in a range of landscapes, especially arid ones.

Self - organized vegetation patterns are widespread in arid lands and elsewhere, and Rietkerk et al. [11]--[12] as well as Couteron and Lejeune [13]--[15] proposed that such patterns are the result of nearby positive and distant negative feedbacks created by plants and physical processes occurring at different scales and intensities.

Three white columns made of delicate leafy patterns representing the vegetation of the area sit in a fountain at the entrance to the museum.

The paintings refer to patterns and colors found in nature: yellow for light; blue to water; and the mixing of the two creates green, the color of vegetation; circles are cycles of the moon and sun; triangles are trees and mountains.

The cascading flurry of paper patterns emerging from origami pipes suspended from the gallery ceiling will tell the story of a community ensnared in a five - year drought, but is still hopeful for a reemergence of vegetation.

Vegetation in the form of houseplants, wallpaper, patterned fabric or views of foliage snatched through windows serves to break down distinctions between interior and exterior space, while in a recent still life, a window that frames the composition is, on close inspection, composed of small transfer images of similar scenes of views through windows, endlessly reflected and refracted.

Shot on a borrowed Leica camera in Meschers, France, the photographs explore the interplay of light, shadow, and pattern on stacks of bricks, beach cabanas, local vegetation, and architectural fragments.

[Response: I don't claim any particular special competence in the vegetation response to changing climate, but it will clearly depend on region, and it will depend crucially on changes to precipitation patterns as well as temperature or CO2 fertilization.

* alteration of natural drainage patterns, causing fisheries impacts and changes in vegetation.

Soil, vegetation, and natural drainage, wind, and precipitation patterns become extremely important in determining the kind and quality of human economic activity.

Far more certainly there will be changes in surface reflectivity; changes in snow and ice cover, open water area, regions of desert, vegetation patterns etc..

Using pollen, phytolith, and charcoal records to identify the distribution and composition of tropical vegetation and fire patterns over the past 11,000 years, Dolores R. Piperno of the Smithsonian Tropical Research Institute in Panama and National Museum of Natural History in Washington, DC, found evidence of widespread fire use for land - clearing by pre-Colombian populations in Latin America.

• Representation of climate processes in models, especially feedbacks associated with clouds, oceans, sea ice and vegetation, in order to improve projections of rates and regional patterns of climate change.

In the Arctic, the tipping points identified in the new report, published on Friday, include: growth in vegetation on tundra, which replaces reflective snow and ice with darker vegetation, thus absorbing more heat; higher releases of methane, a potent greenhouse gas, from the tundra as it warms; shifts in snow distribution that warm the ocean, resulting in altered climate patterns as far away as Asia, where the monsoon could be effected; and the collapse of some key Arctic fisheries, with knock - on effects on ocean ecosystems around the globe.&raquIn the Arctic, the tipping points identified in the new report, published on Friday, include: growth in vegetation on tundra, which replaces reflective snow and ice with darker vegetation, thus absorbing more heat; higher releases of methane, a potent greenhouse gas, from the tundra as it warms; shifts in snow distribution that warm the ocean, resulting in altered climate patterns as far away as Asia, where the monsoon could be effected; and the collapse of some key Arctic fisheries, with knock - on effects on ocean ecosystems around the globe.&raquin the new report, published on Friday, include: growth in vegetation on tundra, which replaces reflective snow and ice with darker vegetation, thus absorbing more heat; higher releases of methane, a potent greenhouse gas, from the tundra as it warms; shifts in snow distribution that warm the ocean, resulting in altered climate patterns as far away as Asia, where the monsoon could be effected; and the collapse of some key Arctic fisheries, with knock - on effects on ocean ecosystems around the globe.&raquin vegetation on tundra, which replaces reflective snow and ice with darker vegetation, thus absorbing more heat; higher releases of methane, a potent greenhouse gas, from the tundra as it warms; shifts in snow distribution that warm the ocean, resulting in altered climate patterns as far away as Asia, where the monsoon could be effected; and the collapse of some key Arctic fisheries, with knock - on effects on ocean ecosystems around the globe.&raquin snow distribution that warm the ocean, resulting in altered climate patterns as far away as Asia, where the monsoon could be effected; and the collapse of some key Arctic fisheries, with knock - on effects on ocean ecosystems around the globe.&raquin altered climate patterns as far away as Asia, where the monsoon could be effected; and the collapse of some key Arctic fisheries, with knock - on effects on ocean ecosystems around the globe.»

Additional positive feedbacks which play an important role in this process include other greenhouse gases, and changes in ice sheet cover and vegetation patterns.

Even if we stopped emitting greenhouse gases today, fire conditions will become even more persistent in areas already at risk, and will spread to new regions as warming drives vegetation patterns and land - use changes.

Climate is a major factor in controlling global patterns of vegetation structure and productivity, as well as plant and animal species composition.

However, unless there is a regular and progressive change in the vegetation pattern around the station, this would not produce an ongoing change of any bias.

Thirty years to establish a climate state seems a long time, as within that period there may be notable shifts to a number of different prevailing patterns of cold / warmth / wet or drought that, on a human scale affects agriculture and horticulture by impacting on what crops may be grown successfully, may affect the tourism season, may cause a consumer to use more or less energy in their home, and also impact on nature by affecting the populations of wild life and vegetation.

Dust impact on climate has varied over time, depending on the amount of dust particles in the atmosphere and therefore on aspects like vegetation, wind strength, and precipitation patterns (8 ⇓ — 10).

Other potential causes of climate change include the depletion of stratospheric ozone in recent decades, again through human activities, and global changes in the surface reflectivity — or albedo — of the planet, as we modify the patterns of vegetation that cover the land.

Large - scale changes in savanna vegetation cover may also feed back to regional rainfall patterns.

9 21.1 Factors That Affect Climate Vegetation • Vegetation can affect both temperature and the precipitation patterns in an area.

Further, the United Nations Convention to Combat Desertification (UNCCD) defines land degradation as a reduction or loss in arid, semi-arid, and dry sub-humid areas of the biological or economic productivity and complexity of rain - fed cropland, irrigated cropland, or range, pasture, forest and woodlands resulting from land uses or from a process or combination of processes, including those arising from human activities and habitation patterns, such as: (i) soil erosion caused by wind and / or water; (ii) deterioration of the physical, chemical, and biological or economic properties of soil; and (iii) long - term loss of natural vegetation.

The United Nations Convention to Combat Desertification defines land degradation as a reduction or loss in arid, semi-arid, and dry sub-humid areas, of the biological or economic productivity and complexity of rain - fed cropland, irrigated cropland, or range, pasture, forest, and woodlands resulting from land uses or from a process or combination of processes, including processes arising from human activities and habitation patterns, such as (i) soil erosion caused by wind and / or water; (ii) deterioration of the physical, chemical and biological or economic properties of soil; and (iii) long - term loss of natural vegetation.