| Only the stratosphere is dry enough and with a long enough residence time for the small anthropogenic inputs to be important. |
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| Lakes are also excellent settings for studying the responses of ecosystems to natural and anthropogenic environmental change on human timescales. |
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| The rest of the Arab lands are threatened by desertification due to anthropogenic activities including overgrazing. |
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| I think in my biocentrism, which is a hard row to hoe in an anthropocentric, increasingly anthropogenic world. |
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| Thus a succession of closely connected environmental and anthropogenic events destroyed the bison. |
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| High anthropogenic pressures on marine ecosystems have resulted in decreased amounts of commercial fish species and total ichthyic fauna. |
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| The anthropogenic ecosystems of interest were the townsite, the refuse dump, and the sewage lagoon. |
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| At present, the most common and serious anthropogenic perturbation of lakes is eutrophication due to increased nutrient availability. |
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| Global anthropogenic emissions of mercury are estimated to range between 2000 and 6000 metric tons per year. |
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| Of course, there are many well-known cases where pollution is caused by anthropogenic emissions of chemicals. |
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| Current research has shown an increase in soil acidification through anthropogenic effects including acid precipitation and nitrification of ammoniacal fertilizers. |
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| More specific questions might relate to taphonomic conditions, identification and temporal assessment of disconformities, or the nature of specific anthropogenic sediments. |
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| I see you're also an anti-vaxxer and deny anthropogenic global warming. |
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| Frequently, what may appear to be a brontide will be a noise from distant thunder or artillery practice, as well as other anthropogenic causes, such as sonic booms. |
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| A closure of the anthropogenic phosphorus cycle may help to avoid eutrophication, hypoxia, and other negative impacts on ecosystems and promotes resources conservation. |
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| And these anthropogenic biomes are spread about the planet in a way that the ecological arrangements of the prehuman world were not. |
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| Special hydrologic and ecologic conditions are a consequence of shallowness, closed area, entry of freshwater affluxes and of anthropogenic influences. |
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| While I would like to believe that there are pristine places on this planet where life has not been affected by anthropogenic activities, there are not. |
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| These are the predominant anthropogenic emissions deposited directly into the upper troposphere and lower stratosphere. |
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| Coral reefs that are relatively unstressed by anthropogenic impacts can often recover naturally from disturbances without human intervention. |
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| A number of people are doing attribution of sea level to anthropogenic causes now. |
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| Some parties preferred a narrow definition for wetland management, focusing on anthropogenic rewetting and draining. |
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| On a definition of wetland management, some parties preferred a narrower definition, focusing on anthropogenic rewetting and draining. |
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| Various natural and anthropogenic processes can cause sediments and their associated contaminants to be recirculated. |
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| Kumiko Goto-Azuma sampling for natural and anthropogenic chemicals in the snow. |
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| Reduced sulphur gases such as hydrogen sulphide, carbon disulphide and carbonyl sulphide from natural and anthropogenic sources. |
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| However, over the past few decades no anthropogenic signal in sea-level changes has been detected. |
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| In addition, anthropogenic changes in most cases reduce options for finding appropriate locations to which to migrate. |
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| The impact of anthropogenic heat is much higher at low ambient temperatures. |
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| Now the beauty of that, of course, is that it tells you what to look for when you're looking for an anthropogenic impact. |
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| That will mean that this form of transport also starts making a contribution to the reduction of the anthropogenic greenhouse effect. |
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| Mitigation is usually defined as an intervention to reduce anthropogenic emissions of greenhouse gases. |
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| However, peatlands are currently subjected to intensive habitat loss through anthropogenic activities. |
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| This degradation, in conjunction with other anthropogenic activities, has contributed to increasing rate of loss of biodiversity. |
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| To help reducing this anthropogenic air pollution, we are engaged in investigating the fundamental physical and chemical processes involved. |
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| Against this background, the impact of small amounts of antibiotics of anthropogenic origin is likely small. |
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| Unfortunately, these environments are under threat from a variety of anthropogenic stressors and disturbances. |
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| The magnitude, scope and pace of anthropogenic change over the last half century had been unprecedented. |
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| However, mercury is on the rise, and likely comes from anthropogenic sources. |
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| Adaptive measures to anthropogenic climate change are therefore already needed and will only become more necessary over time. |
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| Restoration of the stabilising biotic potential would mean relaxation of anthropogenic pressure on perturbed territories and complete abandonment of further cultivation of the natural biota. |
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| Only 27 percent accept the scientific consensus that anthropogenic climate change is real. |
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| Tickets will be free, but anyone who has ever denied anthropogenic climate change will be automatically denied a boarding pass. |
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| The overwhelming evidence points to the reality of anthropogenic global warming. |
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| Every one of these materials and creatures bears the mark of anthropogenic selection, from cotton bred for large bolls to flowers selected for their showy display. |
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| While this implies that algal blooms in Upper Klamath Lake are natural and occurred before any large-scale anthropogenic activity around the lake, reported fish kills seem to have increased in frequency through time. |
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| The calculations were performed using an extensive data base of anthropogenic and biogenic emissions of nitrogen species and volatile organic compounds. |
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| People who vote for Geert Wilders Partyy for Freedom certainly tend to think that anthropogenic climate change is bunk, and that the scientists who believe in it are involved in a giant hoax or a mass delusion. |
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| However, various anthropogenic factors have had a severe impact on zebra populations, in particular hunting for skins and habitat destruction. |
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| Significant changes, of both natural and anthropogenic origins, have already been diagnosed from observations. |
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| Dr. Veizer argued for a cosmic ray connection and down-played anthropogenic forcing, whereas Dr. Weaver reviewed the evidence for anthropogenic greenhouse gas emissions being a significant forcing in the last few decades. |
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| An understanding of the complex chemical interactions of both natural and anthropogenic substances in our ecosphere is crucial to public understanding of and response to the challenges of a changing environment. |
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| In addition to land runoff, atmospheric anthropogenic fixed nitrogen can enter the open ocean. |
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| Of most concern in these anthropogenic factors is the increase in CO2 levels. |
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| Other anthropogenic actions such as introducing invasive species and climate change have large negative effects. |
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| Because of the anoxic water at depth, organic matter, including anthropogenic artifacts such as boat hulls, are well preserved. |
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| Upper AIW has a high amount of anthropogenic tracers due its exposure to the atmosphere. |
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| This study focuses on linear anthropogenic landforms of decametric width on cultivated hillslopes and their relations to soil thickness variability. |
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| The measurements are currently being performed at different distances of known anthropogenic sources, such as nuclear power plants and radiopharmaceutical plants. |
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| The Great Pacific Garbage Patch is one such example of this, comprising a vast region of the North Pacific Ocean rich with anthropogenic wastes. |
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| Because Kingsmere Lake is small, shallow, primarily a headwater lake and already shows an elevated nutrient status, immediate efforts to reduce all anthropogenic nutrient loading are warranted. |
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| Its presence influences topography, geomorphic processes, vegetation, and the response of landscape to environmental changes whether natural or anthropogenic. |
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| This may reflect the combined contribution of natural sources, local anthropogenic sources and advective inputs from outside of the region to the levels measured. |
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| However, due to various anthropogenic activities, there is accumulation of nutrients in aquatic ecosystems resulting in massive macrophytic growth. |
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| On the timescale of centuries to millennia, the magnitude of global warming will be determined primarily by anthropogenic CO2 emissions. |
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| Request the Executive Secretary to compile and synthesise available scientific information on anthropogenic underwater noise and its impacts on marine and coastal biodiversity and habitats. |
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| By changing processes and procedures, it is possible to mitigate some, but not all, of these effects on anthropogenic climate change. |
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| So the energy balance in the urban environment has to deal with the physical parameters, the complex built environment and the anthropogenic heat. |
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| A part from natural drought, experience has shown that anthropogenic activities in the catchment reduce the flow of water significantly in turn impairing electricity production. |
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| Therefore, although whale strandings have been linked to exposure to anthropogenic sound, exposure to seismic sound is considered unlikely to cause direct marine mammal mortality. |
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| Therefore, it is a concern that exposure to seismic sound could reduce the ability of marine mammals to avoid anthropogenic threats, but the risk has not been demonstrated. |
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| The initial inventory carried out in 2006 provides the first indication of the anthropogenic sources of releases of dioxins and furans in Comoros. |
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| However, a number of anthropogenic sound sources are known to produce underwater acoustics within the frequency range of O. orcas, and potentially within migratory routes. |
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| As the JOS study progressed, the Steering Committee discovered how this seemingly simple mandate, is in fact complex, especially the differentiation between natural versus anthropogenic ice-related shoreline impacts. |
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| Arsenic is a metalloid found in water, soil, and air from natural and anthropogenic sources. |
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| Noise pollution from anthropogenic activities is another major concern for marine mammals. |
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| Groundwater-monitoring programs offer a means of recognizing changes to natural groundwater conditions due to natural and anthropogenic activities. |
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| This anthropogenic addition of nitrogen has reached a magnitude comparable to about half of global ocean nitrogen fixation. |
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| Two changes to the global atmosphere due to anthropogenic activity threaten marine mammals. |
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| A survey of anthropogenic ecological factors potentially affecting gray foxes in rural a residential area. |
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| Lands long used for pastoralism have transformed under the forces of grazing livestock and anthropogenic fire. |
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| The effects of anthropogenic warming on the global population of phytoplankton is an area of active research. |
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| When anthropogenic contaminants are dissolved or suspended in runoff, the human impact is expanded to create water pollution. |
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| To the supporters of the preexistence of a continuous forest cover, grasslands were interpreted as evidence of anthropogenic disturbance, or in other words, as resulting from deforestation. |
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| In the context of climate variation, anthropogenic factors are human activities which affect the climate. |
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| Risk assessment regarding, for instance, anthropogenic climate change, Genetically Modified Organisms, or endocrine disruptors, involves uncertainties of many sorts, not all of which can be resolved. |
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| Warming inhibits atmospheric CO2 fixation on land and at sea, thereby increasing the share of anthropogenic emissions that remains in the atmosphere. |
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| Nutrient concentrations in limnetic systems are highly variable and are affected by both naturally occurring as well as anthropogenic factors. |
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| These data can be used to detect anthropogenic effects, such as logging, traditional patterns of land use or long term changes in regional climate. |
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| Several studies in recent years, found a multidecadal increase in OHC of the deep and upper ocean regions and attribute the heat uptake to anthropogenic warming. |
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| The Maquis shrublands of the Mediterranean region are dominated by pyrophytic plants that thrive under conditions of anthropogenic fire and livestock grazing. |
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| Approximately one third of all psittacines are threatened with extinction and with anthropogenic changes, many species have become locally or regionally extinct. |
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| Moreover, anthropogenic forcing from increased greenhouse gases might outweigh orbital forcing for as long as intensive use of fossil fuels continues. |
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| Dead zones can be caused by natural and by anthropogenic factors. |
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| First, the interstratification of loess with anthropogenic sand lenses in Pit 4 suggests this pit served the same function during different occupations. |
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| Other anthropogenic causes of death include drowning in fishing gear. |
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| Porpoises are very sensitive to anthropogenic disturbances, and are keystone species, which can indicate the overall health of the marine environment. |
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| This subsection focuses on anthropogenic forms of wildlife destruction. |
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| It is the most rare and extreme events for which the largest fraction is anthropogenic, and that contribution increases nonlinearly with further warming. |
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| Defaunation of mammals is primarily driven by anthropogenic factors, such as poaching and habitat destruction, though there are efforts to combat this. |
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| Not all anthropogenic artifacts placed in the oceans are harmful. |
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| However, anthropogenic activities such as farming may also benefit prey such as white-tailed deer, collared peccaries, lowland pacas, and white-nosed coatis. |
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| In this sense, especially in the context of environmental policy, the term climate change has become synonymous with anthropogenic global warming. |
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| Oospore counts start to decline already in the 1960s, preceding historically recorded changes and anthropogenic eutrophication almost by two decades. |
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| The main difference between natural and anthropogenic eutrophication is that the natural process is very slow, occurring on geological time scales. |
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| Climate change resulting from anthropogenic increases in the abundance of greenhouse gases in the atmosphere is the most important Earth Science issue facing the planet. |
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| Billingham's images suggest an anthropogenic becoming-mad and, at the same time, suggest a real capacity for the animal to perceive things outside of its disinhibiting ring. |
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