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... responses, particularly at elevated temperature and arid conditions where they are currently common. Acclimation of photosynthesis to high CO2 occurs in both C3 and C4 plants, most notably in nutrient-limited situations. High CO2 aggravates nitrogen limitations and in doing so may favor C4 species, ...
... responses, particularly at elevated temperature and arid conditions where they are currently common. Acclimation of photosynthesis to high CO2 occurs in both C3 and C4 plants, most notably in nutrient-limited situations. High CO2 aggravates nitrogen limitations and in doing so may favor C4 species, ...
Soil-mediated local adaptation alters seedling survival and
... micro-site differences in soil may help maintain genetic variation within a site and possibly genetic structure across sites. This process may be particularly important in Populus or other clonal species. Both P. angustifolia and P. tremuloides (quaking aspen) are known to form large clones that can ...
... micro-site differences in soil may help maintain genetic variation within a site and possibly genetic structure across sites. This process may be particularly important in Populus or other clonal species. Both P. angustifolia and P. tremuloides (quaking aspen) are known to form large clones that can ...
Animal Adaptation (Ecology)
... about it? DDT – pesticide used in the 1950 and 1960 to kill insects. Was used on crops, livestock even on wallpaper in homes. ● DDT is matter so it can’t be destroyed – it just keeps building up. ● It does not break down in the environment ● It persists and is a carcinogen. ...
... about it? DDT – pesticide used in the 1950 and 1960 to kill insects. Was used on crops, livestock even on wallpaper in homes. ● DDT is matter so it can’t be destroyed – it just keeps building up. ● It does not break down in the environment ● It persists and is a carcinogen. ...
Assessment of carbon dynamics in relation to nutrient
... world‘s oceans contain approximately 50 times the amount of carbon stored in the atmosphere and nearly 10 times the amount stored in plants and soils (Sabine et al. 2004). It act as a net sink for approximately 1.7 billion metric tons of CO2 per year. About 45% of the CO2 released from fossil fuel c ...
... world‘s oceans contain approximately 50 times the amount of carbon stored in the atmosphere and nearly 10 times the amount stored in plants and soils (Sabine et al. 2004). It act as a net sink for approximately 1.7 billion metric tons of CO2 per year. About 45% of the CO2 released from fossil fuel c ...
Types Honeys
... Acacia honey (Robinia pseudoacacia) by value for the beekeeping belongs to the first place. The selection of soil is very modest, and growth and the lowest type of soil, and even on live sand. The largest acacia forest in the former Yugoslavia are in Vojvodina. Rarely planted acacia trees has the ri ...
... Acacia honey (Robinia pseudoacacia) by value for the beekeeping belongs to the first place. The selection of soil is very modest, and growth and the lowest type of soil, and even on live sand. The largest acacia forest in the former Yugoslavia are in Vojvodina. Rarely planted acacia trees has the ri ...
Droughtinduced woody plant mortality in an encroached semiarid
... Young (1959) by establishing 40 belt transects, each 30.48m long and 0.30-m wide, in four pastoral units that have been managed consistently over the past 60 yr using the treatments the authors established prior to their study in 1949. Ten transects were established in each pastoral unit. We establi ...
... Young (1959) by establishing 40 belt transects, each 30.48m long and 0.30-m wide, in four pastoral units that have been managed consistently over the past 60 yr using the treatments the authors established prior to their study in 1949. Ten transects were established in each pastoral unit. We establi ...
Working Paper 219 - Kessler (opens in new window)
... implications for the social cost of carbon and the associated choice of the optimal greenhouse gas emissions pathway. Although this feedback is still imperfectly known, there are enough estimates of its potential strength to now include it in our assessments. In this paper, I present a model of the ...
... implications for the social cost of carbon and the associated choice of the optimal greenhouse gas emissions pathway. Although this feedback is still imperfectly known, there are enough estimates of its potential strength to now include it in our assessments. In this paper, I present a model of the ...
A Sensitive Ecosystem Guide - Salt Spring Island Conservancy
... Old forest ecosystems are vital in the world’s fight to combat air pollution and climate change: absorbing carbon dioxide, releasing oxygen and cleaning the air. Current research shows that coastal forests in British Columbia store between 600 and 1,300 tonnes of carbon per hectare, with more captur ...
... Old forest ecosystems are vital in the world’s fight to combat air pollution and climate change: absorbing carbon dioxide, releasing oxygen and cleaning the air. Current research shows that coastal forests in British Columbia store between 600 and 1,300 tonnes of carbon per hectare, with more captur ...
Mammal Research Institute Polish Academy of Sciences Ireneusz
... Most animals struggle with the problem of finding resources, such as food and shelter that are limited and may be difficult to find. An efficient sensory system is extremely important in this context, because it allows collection of information crucial for the detection of suitable resources. Howeve ...
... Most animals struggle with the problem of finding resources, such as food and shelter that are limited and may be difficult to find. An efficient sensory system is extremely important in this context, because it allows collection of information crucial for the detection of suitable resources. Howeve ...
Sustainable Ecosystems Sustainable Ecosystems
... Paradise, but another factor has taken a toll on the wetland — carp. These fish feed in the shallow waters by pulling up the roots of water plants, damaging the plants and muddying the waters as they go. This makes it difficult for water plants and other fish species to survive. By 1985, almost 85 p ...
... Paradise, but another factor has taken a toll on the wetland — carp. These fish feed in the shallow waters by pulling up the roots of water plants, damaging the plants and muddying the waters as they go. This makes it difficult for water plants and other fish species to survive. By 1985, almost 85 p ...
Minimizing Avian Predation Through Habitat Management
... mix of burned and unburned ground cover; and 3) do not burn too frequently – during drought years or on infertile soils a three year or longer burning rotation may be best. 3. Hedgerow renovation: Over time many field hedgerows develop into “tree rows” through natural succession, which reduces groun ...
... mix of burned and unburned ground cover; and 3) do not burn too frequently – during drought years or on infertile soils a three year or longer burning rotation may be best. 3. Hedgerow renovation: Over time many field hedgerows develop into “tree rows” through natural succession, which reduces groun ...
The economic potential of bioenergy for climate change mitigation
... of greenhouse gas (GHG) emissions, but also to meet rural development goals [1]. Today, almost all of the commercially available biofuels are produced from either starch- or sugarrich crops (for bioethanol), or oilseeds (for biodiesel). Recent research has found that these bioenergy sources have the ...
... of greenhouse gas (GHG) emissions, but also to meet rural development goals [1]. Today, almost all of the commercially available biofuels are produced from either starch- or sugarrich crops (for bioethanol), or oilseeds (for biodiesel). Recent research has found that these bioenergy sources have the ...
Wildlife Management Practices (WMPs)
... may also include brambles and shrubs, depending on landowner objectives. Field buffers should be a minimum of 30 feet wide, but wider is better. Field borders up to 120 feet wide are highly desirable and recommended to provide adequate usable space for wildlife dependent upon early successional vege ...
... may also include brambles and shrubs, depending on landowner objectives. Field buffers should be a minimum of 30 feet wide, but wider is better. Field borders up to 120 feet wide are highly desirable and recommended to provide adequate usable space for wildlife dependent upon early successional vege ...
Mixotrophy everywhere on land and in water
... endocytosis, can be involved. Absorbotrophy occurs in multicellular organisms, such as land plants and in virtually all algae. Because of this, some aquatic research scientists tend in practice to restrict the term mixotrophy to the combination of the next two strategies (Flynn et al. 2013), but we ...
... endocytosis, can be involved. Absorbotrophy occurs in multicellular organisms, such as land plants and in virtually all algae. Because of this, some aquatic research scientists tend in practice to restrict the term mixotrophy to the combination of the next two strategies (Flynn et al. 2013), but we ...
Madagascar Project Years 3/4
... There is still no adequate evolutionary explanation for this, including why the lemur males, who are just as big and sharp-toothed as the females, actually put up with it! Alison put forward the view that primate intelligence evolved to meet the challenges of social life rather than as a way to mani ...
... There is still no adequate evolutionary explanation for this, including why the lemur males, who are just as big and sharp-toothed as the females, actually put up with it! Alison put forward the view that primate intelligence evolved to meet the challenges of social life rather than as a way to mani ...
Northern Spotted Owl - Province of British Columbia
... throughout the range of the Northern Spotted Owl. In the wet Spotted Owls in areas with a mixture coastal regions from British Colum- of logged land and old-growth forest bia to Oregon the main prey is the have shown they have a strong preferNorthern Flying Squirrel, which is ence for foraging in ol ...
... throughout the range of the Northern Spotted Owl. In the wet Spotted Owls in areas with a mixture coastal regions from British Colum- of logged land and old-growth forest bia to Oregon the main prey is the have shown they have a strong preferNorthern Flying Squirrel, which is ence for foraging in ol ...
Aims and actions
... to conserve and protect biological, geomorphological and historical features from impacts such as altered water regimes, logging, grazing, introduced plants and animals, and visitor activities ...
... to conserve and protect biological, geomorphological and historical features from impacts such as altered water regimes, logging, grazing, introduced plants and animals, and visitor activities ...
The Positive Externalities of Carbon Dioxide
... atmospheric CO2 concentrations bestow upon Earth’s plants (Idso and Singer, 2009; Idso and Idso, 2011). In commenting on these and many other CO2-related benefits, Wittwer (1982) wrote that “the ‘green revolution’ has coincided with the period of recorded rapid increase in concentration of atmospher ...
... atmospheric CO2 concentrations bestow upon Earth’s plants (Idso and Singer, 2009; Idso and Idso, 2011). In commenting on these and many other CO2-related benefits, Wittwer (1982) wrote that “the ‘green revolution’ has coincided with the period of recorded rapid increase in concentration of atmospher ...
Population-Wide Changes in Pinyon-Juniper Woodlands Caused by
... being pure pinyon. After the drought, mean live basal area of the singleleaf group was close to the pre-drought figure (50%), but the portion of pure stands was reduced to 12%. The distributions of composition percentages vary between groups as well. In the common pinyon group, pinyons occur as a mi ...
... being pure pinyon. After the drought, mean live basal area of the singleleaf group was close to the pre-drought figure (50%), but the portion of pure stands was reduced to 12%. The distributions of composition percentages vary between groups as well. In the common pinyon group, pinyons occur as a mi ...
The relative dominance hypothesis explains interaction dynamics in mixed species /
... & Weiner 1998). Although the amount of resources available to dominant individuals may also be affected by neighbourhood competition, only weak relationships have been observed in several studies between measures of neighbourhood competition and the growth of larger individuals (Cannell et al. 1984) ...
... & Weiner 1998). Although the amount of resources available to dominant individuals may also be affected by neighbourhood competition, only weak relationships have been observed in several studies between measures of neighbourhood competition and the growth of larger individuals (Cannell et al. 1984) ...
Theory meets reality: How habitat fragmentation research has
... chopped up into fragments of various sizes and degrees of isolation. Distinguishing the impacts of these two processes on biodiversity is challenging because they generally co-vary. For example, in forested landscapes in which most of the original habitat has been destroyed, the surviving fragments ...
... chopped up into fragments of various sizes and degrees of isolation. Distinguishing the impacts of these two processes on biodiversity is challenging because they generally co-vary. For example, in forested landscapes in which most of the original habitat has been destroyed, the surviving fragments ...
CTFS Proceedings 2007 - Center for Tropical Forest Science
... run by the Center for Tropical Forest Science – Arnold Arboretum Asia Program (CTFS-AA; www.ctfs.si.edu) in collaboration with institutional partners in South and Southeast Asia. The CTFS-AA International Field Biology Course 2007 was held at and hosted by the Xishuangbanna Tropical Botanical Garden ...
... run by the Center for Tropical Forest Science – Arnold Arboretum Asia Program (CTFS-AA; www.ctfs.si.edu) in collaboration with institutional partners in South and Southeast Asia. The CTFS-AA International Field Biology Course 2007 was held at and hosted by the Xishuangbanna Tropical Botanical Garden ...
Rajasri_Rev-SG-Dec 2,09 - Centre for Ecological Sciences
... historical records, forest working plans and folk history. It was found that about 6% of the landscape was under sacred kans. This was probable because Siddapur taluk is located next to Sorab in the central Western Ghats, where a similar system of sacred groves could have existed in most places, at ...
... historical records, forest working plans and folk history. It was found that about 6% of the landscape was under sacred kans. This was probable because Siddapur taluk is located next to Sorab in the central Western Ghats, where a similar system of sacred groves could have existed in most places, at ...
Matrix and Edge Effects on the Maintenance of Ecological Function
... the west of the forest. Percent of trees within the strategy equals the percentage of trees in the regeneration strategy counted at each treatment. Percent within the treatment is the percentage of all trees counted by treatment in each strategy (includes small number of trees counted as shrubs, not ...
... the west of the forest. Percent of trees within the strategy equals the percentage of trees in the regeneration strategy counted at each treatment. Percent within the treatment is the percentage of all trees counted by treatment in each strategy (includes small number of trees counted as shrubs, not ...
Chemical fluxes in time through forest ecosystems in the UK
... Ion Chromatography (Dionex DX-500). Dissolved organic nitrogen (DON) is calculated from measured total and inorganic nitrogen forms. Aluminium (Al) and manganese (Mn) in bulk precipitation and throughfall were not measured. Quality assurance and quality control on dissolved ion concentrations in bul ...
... Ion Chromatography (Dionex DX-500). Dissolved organic nitrogen (DON) is calculated from measured total and inorganic nitrogen forms. Aluminium (Al) and manganese (Mn) in bulk precipitation and throughfall were not measured. Quality assurance and quality control on dissolved ion concentrations in bul ...
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.