Nitrogen pollution and climate change reduce carbon storage and
... wildlife and support unusual and rare species that are uniquely adapted to low nutrient levels and often highly acidic soils, such as peat-forming Sphagnum mosses, carnivorous plants like sundew, or vascular plants such as sedges. The EU Habitats Directive’s Annex 1 lists more than a dozen such habi ...
... wildlife and support unusual and rare species that are uniquely adapted to low nutrient levels and often highly acidic soils, such as peat-forming Sphagnum mosses, carnivorous plants like sundew, or vascular plants such as sedges. The EU Habitats Directive’s Annex 1 lists more than a dozen such habi ...
Amazonian forest dieback under climate-carbon cycle
... fixed CO2 of 290 ppmv to derive the equilibrium vegetation state consistent with the model’s preindustrial climate (Cox et al., 2001). Once the long-term net land-atmosphere and ocean-atmosphere carbon fluxes were close to zero the atmospheric CO2 was let free to respond to variability in the model’ ...
... fixed CO2 of 290 ppmv to derive the equilibrium vegetation state consistent with the model’s preindustrial climate (Cox et al., 2001). Once the long-term net land-atmosphere and ocean-atmosphere carbon fluxes were close to zero the atmospheric CO2 was let free to respond to variability in the model’ ...
2006plantecol
... impacts on forest recruitment comes from tropical systems (Augspurger 1983, 1984; Augspurger and Kelly 1984; Kitajima and Augspurger 1989; Forget 1997; Wenny and Levey 1998; Dalling et al. 1998), recent work has indicated that pathogens also may reduce the recruitment of temperate forest species (St ...
... impacts on forest recruitment comes from tropical systems (Augspurger 1983, 1984; Augspurger and Kelly 1984; Kitajima and Augspurger 1989; Forget 1997; Wenny and Levey 1998; Dalling et al. 1998), recent work has indicated that pathogens also may reduce the recruitment of temperate forest species (St ...
The effects of large-scale afforestation and climate change on water
... (Jolly et al., 2001). In response to this threat, the Murray±Darling Basin Commission1 (MDBC), the NSW and South Australian Governments and the Federal Government have released salinity strategies for their areas of governance (MDBC, 2000; Department of Land and Water Conservation, 2000; Primary Ind ...
... (Jolly et al., 2001). In response to this threat, the Murray±Darling Basin Commission1 (MDBC), the NSW and South Australian Governments and the Federal Government have released salinity strategies for their areas of governance (MDBC, 2000; Department of Land and Water Conservation, 2000; Primary Ind ...
1 - Black Rock Forest Consortium
... assemblages (Swift et al. 1979; De A. Ribas et al. 2006). This last factor, the structure of the decomposer assemblage, coupled with a specific ecosystem- Northeastern Deciduous Forests, forms the focus of this study. Northeastern Forests face such anthropogenic threats as over-harvesting (Petranka ...
... assemblages (Swift et al. 1979; De A. Ribas et al. 2006). This last factor, the structure of the decomposer assemblage, coupled with a specific ecosystem- Northeastern Deciduous Forests, forms the focus of this study. Northeastern Forests face such anthropogenic threats as over-harvesting (Petranka ...
The Significance of Coarse Woody Debris for the Diversity of Soil
... refuge. Loblolly pine stands in the Coastal Plain often receive prescribed fuel-reduction burns every 3 to 5 years until the final harvest. Although CWD is largely absent from managed stands with a rotation age of 30 years, woody debris may yet play a key role in these frequently disturbed systems i ...
... refuge. Loblolly pine stands in the Coastal Plain often receive prescribed fuel-reduction burns every 3 to 5 years until the final harvest. Although CWD is largely absent from managed stands with a rotation age of 30 years, woody debris may yet play a key role in these frequently disturbed systems i ...
Town Forest Health
... of the tests indicates a lack of health in, say, your heart, you can take the necessary steps your doctor prescribes to improve that condition. This is a pretty costly, technological route. Or instead, you could look at current medical findings that point to best practices for maintaining health—lik ...
... of the tests indicates a lack of health in, say, your heart, you can take the necessary steps your doctor prescribes to improve that condition. This is a pretty costly, technological route. Or instead, you could look at current medical findings that point to best practices for maintaining health—lik ...
C.V. - University of Colorado Boulder
... Designed a graduate-level course to explore: i) the fundamental drivers and mechanisms maintaining tropical forest biodiversity and function, and ii) the local to global-scale social, political, and economic drivers that threaten to substitute these forests. (Overall quality of course, rated by stud ...
... Designed a graduate-level course to explore: i) the fundamental drivers and mechanisms maintaining tropical forest biodiversity and function, and ii) the local to global-scale social, political, and economic drivers that threaten to substitute these forests. (Overall quality of course, rated by stud ...
Resistance to wildfire and early regeneration in natural broadleaved
... unburned pine forest (n ¼ 20), and burned pine forest (n ¼ 20) (Fig. 1, Table A1 in Supplementary material). Broadleaved belt transects were dominated by oak, Q. robur, and holly, I. aquifolium, and pine belt transects by P. pinaster and P. sylvestris. The location of belt transects was determined p ...
... unburned pine forest (n ¼ 20), and burned pine forest (n ¼ 20) (Fig. 1, Table A1 in Supplementary material). Broadleaved belt transects were dominated by oak, Q. robur, and holly, I. aquifolium, and pine belt transects by P. pinaster and P. sylvestris. The location of belt transects was determined p ...
Abundance and distribution of tiger prey base at Bardia
... langur (Semnopithecus entellus) comprise the main prey species for tigers in Nepal. Sometimes blue bull (Boselaphus tragocamelus) and four horned antelope (Tetracerus quadricornis) are also eaten but their distribution is very limited. Domestic lives are occasionally preyed upon in peripheral habita ...
... langur (Semnopithecus entellus) comprise the main prey species for tigers in Nepal. Sometimes blue bull (Boselaphus tragocamelus) and four horned antelope (Tetracerus quadricornis) are also eaten but their distribution is very limited. Domestic lives are occasionally preyed upon in peripheral habita ...
A case study in ecological succession
... project is aimed at understanding the impact of climate change, land use change and invasive species on the nation’s natural resources. KU Field Station sites were selected to represent areas where tallgrass prairie once dominated, but where prairie had given way and woodlands increased. Fitch’s int ...
... project is aimed at understanding the impact of climate change, land use change and invasive species on the nation’s natural resources. KU Field Station sites were selected to represent areas where tallgrass prairie once dominated, but where prairie had given way and woodlands increased. Fitch’s int ...
PDF
... and how emission reductions would be traded in a carbon market system. Our analysis builds upon Tavoni, Sohngen, and Bosetti (2007), who first used the World Induced Technical Change Hybrid (WITCH) model to study the effect of including forest carbon mitigation on a climate stabilization policy. The ...
... and how emission reductions would be traded in a carbon market system. Our analysis builds upon Tavoni, Sohngen, and Bosetti (2007), who first used the World Induced Technical Change Hybrid (WITCH) model to study the effect of including forest carbon mitigation on a climate stabilization policy. The ...
Larrea, C. (2010), Yasun ITT: An Initiative to Change History
... emissions to 95% of their 1990 levels. Unfortunately, in 2006, global CO2 emissions from fossil fuel burning were 35% up on 1990 levels and were continuing their upward trend at a rate of ...
... emissions to 95% of their 1990 levels. Unfortunately, in 2006, global CO2 emissions from fossil fuel burning were 35% up on 1990 levels and were continuing their upward trend at a rate of ...
Ecosystem Decay of Amazonian Forest Fragments: a 22
... edge effects in fragmented rainforests, effects that alter physical gradients, species distributions, and many ecological and ecosystem processes (Fig. 3). Microclimatic changes near edges, such as reduced humidity, increased light, and greater temperature variability, penetrate up to 60 m into frag ...
... edge effects in fragmented rainforests, effects that alter physical gradients, species distributions, and many ecological and ecosystem processes (Fig. 3). Microclimatic changes near edges, such as reduced humidity, increased light, and greater temperature variability, penetrate up to 60 m into frag ...
acorn connection addition_NEW
... the oaks have evolved a feast-and-famine regimen: occasional bumper crops, separated by years in which the consumers starve. ...
... the oaks have evolved a feast-and-famine regimen: occasional bumper crops, separated by years in which the consumers starve. ...
Vegetation in the Australian Alps (DOCX – 601KB)
... vigorous plant growth. Consequently there is a lot of organic matter that can be quickly turned into soil. The soils are deep with plenty of water available to plants and the trees are able to grow tall - the Alpine Ash are the tallest eucalypts in the Australian Alps. The understorey of this forest ...
... vigorous plant growth. Consequently there is a lot of organic matter that can be quickly turned into soil. The soils are deep with plenty of water available to plants and the trees are able to grow tall - the Alpine Ash are the tallest eucalypts in the Australian Alps. The understorey of this forest ...
-portal.org Ecology and Evolution
... Forestry is continually changing the habitats for many forest-dwelling species around the world. The grey-sided vole (Myodes rufocanus) has declined since the 1970s in forests of northern Sweden. Previous studies suggested that this might partly be caused by reduced focal forest patch size due to cl ...
... Forestry is continually changing the habitats for many forest-dwelling species around the world. The grey-sided vole (Myodes rufocanus) has declined since the 1970s in forests of northern Sweden. Previous studies suggested that this might partly be caused by reduced focal forest patch size due to cl ...
Pathways for balancing CO2 emissions and sinks
... progress in terms of atmospheric carbon (CA ¼ 633 686 p.p.m.) and surface temperature anomaly (DT ¼ 2.9 3.1 °C), the energy and LULUCF transitions in the RE-Low scenario fall short of global emissions and warming targets by 2100 (cf. Fig. 6). The RE-High scenario. The RE-High scenario describes ...
... progress in terms of atmospheric carbon (CA ¼ 633 686 p.p.m.) and surface temperature anomaly (DT ¼ 2.9 3.1 °C), the energy and LULUCF transitions in the RE-Low scenario fall short of global emissions and warming targets by 2100 (cf. Fig. 6). The RE-High scenario. The RE-High scenario describes ...
GE6351 ENVIRONMENTAL SCIENCE AND ENGINEERING UNIT I
... These are capable of being regenerated by ecological processes within reasonable period. They have potential to renew themselves. Examples: solar, water, wildlife, natural vegetation. These are further sub classified into two types such as ...
... These are capable of being regenerated by ecological processes within reasonable period. They have potential to renew themselves. Examples: solar, water, wildlife, natural vegetation. These are further sub classified into two types such as ...
Report
... fields of physics and engineering led to the production of steam power, a catalyst for the growth of industries and transport. Such growth saw populations shift from rural to urban areas in search of work, hence the formation of large scale industrial cities. Discoveries in biology and chemistry all ...
... fields of physics and engineering led to the production of steam power, a catalyst for the growth of industries and transport. Such growth saw populations shift from rural to urban areas in search of work, hence the formation of large scale industrial cities. Discoveries in biology and chemistry all ...
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... Sustainable management of the natural resource base of agriculture, forestry and fisheries is the only way to deal with this challenge. Many parts of the world already struggle with grave deterioration of their food production systems and the number of people suffering from chronic hunger has now ex ...
... Sustainable management of the natural resource base of agriculture, forestry and fisheries is the only way to deal with this challenge. Many parts of the world already struggle with grave deterioration of their food production systems and the number of people suffering from chronic hunger has now ex ...
Flash Summary of MEDPINE 2
... around 10 viable seeds/m2, which is considered insufficient to ensure full recovery of the stand in case of a new fire – 100 seeds/m2 is estimated to be the minimum threshold for post-fire recovery and assumed to require around 20 years. Current models issued from European Commission research projec ...
... around 10 viable seeds/m2, which is considered insufficient to ensure full recovery of the stand in case of a new fire – 100 seeds/m2 is estimated to be the minimum threshold for post-fire recovery and assumed to require around 20 years. Current models issued from European Commission research projec ...
Competing roles of rising CO2 and climate change
... to net annual carbon balance. Land use and management is especially important. Several studies have shown a negative impact of agriculture on terrestrial carbon storage. Simulations by Bondeau et al. (2007) predict that globally agriculture has decreased vegetation carbon storage by 24% and soil car ...
... to net annual carbon balance. Land use and management is especially important. Several studies have shown a negative impact of agriculture on terrestrial carbon storage. Simulations by Bondeau et al. (2007) predict that globally agriculture has decreased vegetation carbon storage by 24% and soil car ...
Progress in Physical Geography
... input, but also as the amount of energy captured and transformed into living matter per unit area and time. This provides a complex tree canopy to support biological heterogeneity (Morin, 2000). Thus, long-term productivity initially promotes the generation of viable species populations but it is al ...
... input, but also as the amount of energy captured and transformed into living matter per unit area and time. This provides a complex tree canopy to support biological heterogeneity (Morin, 2000). Thus, long-term productivity initially promotes the generation of viable species populations but it is al ...
Reforestation
Reforestation is the natural or intentional restocking of existing forests and woodlands that have been depleted, usually through deforestation.Reforestation can be used to improve the quality of human life by soaking up pollution and dust from the air, rebuild natural habitats and ecosystems, mitigate global warming since forests facilitate biosequestration of atmospheric carbon dioxide, and harvest for resources, particularly timber.The term reforestation is similar to afforestation, the process of restoring and recreating areas of woodlands or forests that may have existed long ago but were deforested or otherwise removed at some point in the past. Sometimes the term re-afforestation is used to distinguish between the original forest cover and the later re-growth of forest to an area. Special tools, e.g. tree planting bar, are used to make planting of trees easier and faster.