The Positive Feedback Loop between the Impacts of Climate
... severely negative towards the end of the century. In some regions and locations, much more dramatic changes are predicted. The tropics will see a significant worsening of climatic conditions for agriculture, while boreal regions (Canada and Russia) will possibly see an improvement. There is agreemen ...
... severely negative towards the end of the century. In some regions and locations, much more dramatic changes are predicted. The tropics will see a significant worsening of climatic conditions for agriculture, while boreal regions (Canada and Russia) will possibly see an improvement. There is agreemen ...
View Dec, 2013, issue of the Pacific Region climate change science
... Ecosystem functionality: Living things have powerful influences on the lands and waters they occupy. As existing ecosystems unravel, we are seeing the chemistry and hydrology of the physical environment change, with further feedback effects on the ecosystem. Ecosystem changes, in turn, feedback to c ...
... Ecosystem functionality: Living things have powerful influences on the lands and waters they occupy. As existing ecosystems unravel, we are seeing the chemistry and hydrology of the physical environment change, with further feedback effects on the ecosystem. Ecosystem changes, in turn, feedback to c ...
CHAPTER 6: Tropical Marine
... pelagic systems, many high level predators such as tuna have high tissue concentrations of these compounds and there is evidence that levels have been increasing over the past 20 years (Nakagawa et al., 1997). All of these pollutants disturb the oligotrophic waters that characterize most tropical ma ...
... pelagic systems, many high level predators such as tuna have high tissue concentrations of these compounds and there is evidence that levels have been increasing over the past 20 years (Nakagawa et al., 1997). All of these pollutants disturb the oligotrophic waters that characterize most tropical ma ...
Potential Distribution of the Alien Invasive Brown Tree Snake, Boiga
... highest suitability was found for the Northern Mariana Islands, Hawaiian Islands, Madagascar, New Caledonia, and Fiji Islands. If predictions are interpreted as depicting invasiveness potential of B. irregularis, strategies to prevent invasion should focus on these regions. An analysis of potential ...
... highest suitability was found for the Northern Mariana Islands, Hawaiian Islands, Madagascar, New Caledonia, and Fiji Islands. If predictions are interpreted as depicting invasiveness potential of B. irregularis, strategies to prevent invasion should focus on these regions. An analysis of potential ...
Cryptic impacts of temperature variability on amphibian immune
... temperatures and no evidence of thermal acclimation. The same model predicted 50% increased E. coli killing, but had weaker support (ΔAICc=1.8, wi=0.2882). In contrast, plasma defenses were ineffective against A. hydrophila, and other health indicators (leukocyte ratios, growth rates and behavioral ...
... temperatures and no evidence of thermal acclimation. The same model predicted 50% increased E. coli killing, but had weaker support (ΔAICc=1.8, wi=0.2882). In contrast, plasma defenses were ineffective against A. hydrophila, and other health indicators (leukocyte ratios, growth rates and behavioral ...
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... Extreme hot/cold temperatures have significant impacts on human society and ecosystems, and therefore it is important to assess how these extreme events will evolve in a changing climate. The impact of climate change on summer hot temperature characteristics (i.e., hot days, hot spells, and heat wav ...
... Extreme hot/cold temperatures have significant impacts on human society and ecosystems, and therefore it is important to assess how these extreme events will evolve in a changing climate. The impact of climate change on summer hot temperature characteristics (i.e., hot days, hot spells, and heat wav ...
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... The probability of significant adverse impacts of climate change on Asian forests is high in the next few decades. Improvement of tree plantation and reforestation, and protection from fires, insects and diseases could enhance adaptation and reduce vulnerability of most forests in Asia to climate ch ...
... The probability of significant adverse impacts of climate change on Asian forests is high in the next few decades. Improvement of tree plantation and reforestation, and protection from fires, insects and diseases could enhance adaptation and reduce vulnerability of most forests in Asia to climate ch ...
Nuevos registros de la mosca endémica de la nieve
... gradient: the season with snow cover may be reduced by up to 70% at 1500 m a.s.l. and the magnitude of the impacts should decrease markedly with increasing altitude whereas snowpack characteristics will remain largely similar in the highest sectors. Our preliminary survey shows that C. pyrenaea is f ...
... gradient: the season with snow cover may be reduced by up to 70% at 1500 m a.s.l. and the magnitude of the impacts should decrease markedly with increasing altitude whereas snowpack characteristics will remain largely similar in the highest sectors. Our preliminary survey shows that C. pyrenaea is f ...
The 2002 Version of SAMS - Civil, Environmental and Architectural
... Milly et al.,2005, “Global Patterns of trends in runoff” Christensen and Lettenmaier, 2004, 2006 Hoerling and Eischeid, 2006, “Past Peak Water?” Seager et al, 2007, “Imminent Transition to more arid climate state..” IPCC, 2007 (Regional Assessments) Barnett and Pierce, 2008, “When will Lake Mead Go ...
... Milly et al.,2005, “Global Patterns of trends in runoff” Christensen and Lettenmaier, 2004, 2006 Hoerling and Eischeid, 2006, “Past Peak Water?” Seager et al, 2007, “Imminent Transition to more arid climate state..” IPCC, 2007 (Regional Assessments) Barnett and Pierce, 2008, “When will Lake Mead Go ...
here. - APSIM
... Luo Q, Bellotti B, Bryan B, Williams M (2003) Risk analysis of possible environmental change and future crop production in South Australia. In: Solutions for a better environment, Proceedings of the 11th Australian Agronomy Conference, February 2003, Geelong. Luo Q, Bellotti W, Williams M, Bryan B ( ...
... Luo Q, Bellotti B, Bryan B, Williams M (2003) Risk analysis of possible environmental change and future crop production in South Australia. In: Solutions for a better environment, Proceedings of the 11th Australian Agronomy Conference, February 2003, Geelong. Luo Q, Bellotti W, Williams M, Bryan B ( ...
Hughes et al 2003a
... have dominated modern reefs for the past half-million years, providing an invaluable baseline long before human impacts began (3, 4). New assessment of past climates has revealed unexpectedly rapid shifts over decades or less, especially at high latitudes, with ice-age transitions being linked to ab ...
... have dominated modern reefs for the past half-million years, providing an invaluable baseline long before human impacts began (3, 4). New assessment of past climates has revealed unexpectedly rapid shifts over decades or less, especially at high latitudes, with ice-age transitions being linked to ab ...
Sensitivity of Crop Water Need to 2071–95
... change, it is clear that human activities linked closely to ecosystems or natural resources will be severely impacted (Solomon et al. 2007). Of particular concern for many developing regions is the impact of climate change upon food security, especially for those countries reliant on rain-fed agricu ...
... change, it is clear that human activities linked closely to ecosystems or natural resources will be severely impacted (Solomon et al. 2007). Of particular concern for many developing regions is the impact of climate change upon food security, especially for those countries reliant on rain-fed agricu ...
Relative impacts of human- induced climate change and natural
... Inter-annual and inter-daily climate variability is assumed to be unchanged in all cases, our concern in this study being to examine the relative impacts of multi-decadal (30-year timescale) climate variability. We treat the climates resulting from the control simulation as describing multi-decadal ...
... Inter-annual and inter-daily climate variability is assumed to be unchanged in all cases, our concern in this study being to examine the relative impacts of multi-decadal (30-year timescale) climate variability. We treat the climates resulting from the control simulation as describing multi-decadal ...
Abrupt Climate Change - University of California San Diego
... past, and in the future. Better representation of modes in Fig. 3. Paleoclimatic data showing abrupt climate changes, after (45) and climate models thus other sources. The lower panel is the history of temperature in central may improve simulaGreenland over the last 110,000 years (72). Details of te ...
... past, and in the future. Better representation of modes in Fig. 3. Paleoclimatic data showing abrupt climate changes, after (45) and climate models thus other sources. The lower panel is the history of temperature in central may improve simulaGreenland over the last 110,000 years (72). Details of te ...
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... of the agricultural area is rainfed (FAOSTAT 2005). However, the temporal and spatial variability of climate, especially rainfall is a major constraint to yield improvements of rainfed crops and the high risk for water-related yield loss makes farmers risk averse and influence their investment decis ...
... of the agricultural area is rainfed (FAOSTAT 2005). However, the temporal and spatial variability of climate, especially rainfall is a major constraint to yield improvements of rainfed crops and the high risk for water-related yield loss makes farmers risk averse and influence their investment decis ...
Options for support to
... poverty and extensive areas of low agricultural productivity due to steadily degrading resource bases, weak markets and high climatic risks. Farmers and landless laborers dependent on rainfed agriculture are particularly vulnerable due to high seasonal variability in rainfall, and endemic poverty th ...
... poverty and extensive areas of low agricultural productivity due to steadily degrading resource bases, weak markets and high climatic risks. Farmers and landless laborers dependent on rainfed agriculture are particularly vulnerable due to high seasonal variability in rainfall, and endemic poverty th ...
3. Global change scenarios
... (wheat) to 15 % (grassland) (Soja et al. 2005). Annual variability of temperature and precipitation in summer are likely to increase substantially in Europe, (Giorgi et al. 2004). Both increased climate variability and extreme weather events could increase the risk of yield reduction, particularly f ...
... (wheat) to 15 % (grassland) (Soja et al. 2005). Annual variability of temperature and precipitation in summer are likely to increase substantially in Europe, (Giorgi et al. 2004). Both increased climate variability and extreme weather events could increase the risk of yield reduction, particularly f ...
State of Biodiversity Report
... change is also a significant and increasing threat to biodiversity. Already, scientifically-derived quantitative conservation targets for 14 key vegetation types in the city indicate that four of these (KZN Sandstone Sourveld, North and South Coast Grasslands and Mangroves) are in all likelihood alr ...
... change is also a significant and increasing threat to biodiversity. Already, scientifically-derived quantitative conservation targets for 14 key vegetation types in the city indicate that four of these (KZN Sandstone Sourveld, North and South Coast Grasslands and Mangroves) are in all likelihood alr ...
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... own sake by people everywhere. The components of biodiversity that contribute to these different roles will not necessarily be the same, but all are important and together they provide strong reasons to be concerned about the continuing high rates of biodiversity loss. A better understanding of biod ...
... own sake by people everywhere. The components of biodiversity that contribute to these different roles will not necessarily be the same, but all are important and together they provide strong reasons to be concerned about the continuing high rates of biodiversity loss. A better understanding of biod ...
Climate Change, Yosemite National Park, California
... The Hetch Hetchy weather station and other stations across the western U.S. have provided data for the detection of global climate change in the last half of the 20th century and the attribution to emissions from human activities. Changes in climate in the western U.S. include increases in winter mi ...
... The Hetch Hetchy weather station and other stations across the western U.S. have provided data for the detection of global climate change in the last half of the 20th century and the attribution to emissions from human activities. Changes in climate in the western U.S. include increases in winter mi ...
IMPLICATIONS OF CLIMATE CHANGES IN THE WIDER
... 30 years, but due to complicated tectonic activity and petroleum/groundwater extraction, the values ranged from +1.0 cm/year in Texas (rising sea level) to -0.3 cm/year in Mexico (falling sea level). At Key West, Florida, a site of tectonic stability, the rise is 0.22 cm/year (0.01 cm/year), based o ...
... 30 years, but due to complicated tectonic activity and petroleum/groundwater extraction, the values ranged from +1.0 cm/year in Texas (rising sea level) to -0.3 cm/year in Mexico (falling sea level). At Key West, Florida, a site of tectonic stability, the rise is 0.22 cm/year (0.01 cm/year), based o ...
Vulnerability of baobab species to climate change and
... the future, although several studies have used climatic data to identify present species distribution areas for conservation purpose (Kremen et al., 2008; Pearson et al., 2007). Through this study, we provide some answers to these two issues focusing on three particular baobab species: Adansonia gra ...
... the future, although several studies have used climatic data to identify present species distribution areas for conservation purpose (Kremen et al., 2008; Pearson et al., 2007). Through this study, we provide some answers to these two issues focusing on three particular baobab species: Adansonia gra ...
KNOWLEDGE OF CLIMATE CHANGE AND CAUSES OF CLIMATE
... Cycle 4 (January 2010) - New variable Cycle 6* (September 2010) - Variable name changed from a1 to cc_knowledge1 Cycle 19 (January 2015) – Interviewer prompt changed from “By climate change we mean a change in the average weather that a given region experiences” to “Only if asked, by climate change ...
... Cycle 4 (January 2010) - New variable Cycle 6* (September 2010) - Variable name changed from a1 to cc_knowledge1 Cycle 19 (January 2015) – Interviewer prompt changed from “By climate change we mean a change in the average weather that a given region experiences” to “Only if asked, by climate change ...
Global climate change impacts on Australia`s wheat crops
... CO2 can affect agricultural production both directly through the stimulation of photosynthesis, through improved water use efficiency and indirectly as the increased concentration of CO2 and other greenhouse gases in the atmosphere may induce climate change. Global change is used here to refer to th ...
... CO2 can affect agricultural production both directly through the stimulation of photosynthesis, through improved water use efficiency and indirectly as the increased concentration of CO2 and other greenhouse gases in the atmosphere may induce climate change. Global change is used here to refer to th ...
22. Predictions and Projections of Pine Productivity and Hydrology
... Two tree core samples were collected 1.4 m above the forest floor (diameter at breastheight (DBH)) from each of twenty trees per site. The selected trees were randomly located within the plot, but represented the dominant or codominant size class. The first core was selected at a random azimuth, and ...
... Two tree core samples were collected 1.4 m above the forest floor (diameter at breastheight (DBH)) from each of twenty trees per site. The selected trees were randomly located within the plot, but represented the dominant or codominant size class. The first core was selected at a random azimuth, and ...