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Wednesday, July 22, 2020 | History

1 edition of Ozone effects on crops in Ontario and related monetary values found in the catalog.

Ozone effects on crops in Ontario and related monetary values

Ozone effects on crops in Ontario and related monetary values

  • 31 Want to read
  • 35 Currently reading

Published by Ontario Ministry of the Environment in [Toronto] .
Written in English

    Subjects:
  • Atmospheric ozone -- Environmental aspects -- Ontario.,
  • Crop losses -- Ontario.

  • Edition Notes

    StatementS.N. Linzon ... [et al.].
    ContributionsLinzon, S.N. 1926-, Ontario. Ministry of the Environment., Ontario. Air Resources Branch.
    Classifications
    LC ClassificationsTD885.5.O85 O95
    The Physical Object
    Pagination60 p. :
    Number of Pages60
    ID Numbers
    Open LibraryOL20127312M

      Mckee, Bullimore & Long () found that elevated CO 2 prevented any adverse effect of ozone on vegetative growth of winter wheat, but that there was an additional effect of ozone on grain yield on which elevated CO 2 appeared to have no effect, which they proposed was related to direct effects of ozone on the grain itself. ) and ground level ozone. In several regions of the world, average concentrations of PM and ozone are already well above the levels recommended by the WHO Air quality guidelines. • The projected increase in concentrations of PM and ozone will in turn lead to substantial effects on the economy. According to the calculations in this report.

    2. EFFECTS OF OZONE In this description of forests. Four chapter we present a summary of the effects of ozone on human health, a population exposure to ozone, and a discussion of ozone’s effects on crops and major health effects issues are presented, along with a discussion of the impact. Ozone’s Effects on Human Health Ozone’s Effects on Plants Ozone’s Role in Atmospheric Cleansing References. Related Articles. Highways of a Global Traveler: Tracking Tropospheric Ozone Ozone in the Stratosphere. Related Data. Ozone. Some species of crop plants react more strongly to high concentrations of ozone than others.

    Impacts of Ozone on Trees and Crops 1Benjamin S. Felzer, 1Timothy Cronin, 2John M. Reilly, 1Jerry M. Melillo, 2Xiaodong Wang, 1 The Ecosystems Center, Marine Biological Laboratory, 7 MBL St., Woods Hole, MA , U.S.A., () (phone), () (fax), [email protected] 2 Joint Program on the Science and Policy of Global Change, Massachusetts Institute of. Climate change and agriculture are interrelated processes, both of which take place on a global warming affects agriculture in a number of ways, including through changes in average temperatures, rainfall, and climate extremes (e.g., heat waves); changes in pests and diseases; changes in atmospheric carbon dioxide and ground-level ozone concentrations; changes in the nutritional.


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Ozone effects on crops in Ontario and related monetary values Download PDF EPUB FB2

The ozone component of global change: Potential effects on agricultural and horticultural plant yield, product quality and interactions with invasive species. Journal of Integrative Plant Biology Fiscus, EL, FL Booker, KO Burkey.

Crop responses to ozone: uptake, modes of action, carbon assimilation and partitioning. Ozone effects on crops and consideration in crop models This paper explains how ozone affects arable crops and how these processes can be incorporated into existing crop models.

It suggests that new models need to be developed to improve understanding of ozone impacts under environmental by: Printable pamphlets and booklets about ozone effects on air quality and health.

EPA’s Air Quality Guide for Ozone provides detailed information about what the Air Quality Index means. Helps determine ways to protect your family's health when ozone levels reach the unhealthy range, and ways you can help reduce ozone air pollution.

Many ozone deposition modelling schemes have been developed. All models have in common the use of a series of resistances (an example is given in Fig.

2) to describe the transfer of ozone through: (i) the atmosphere (determined by mechanical (wind) and thermal driven turbulence both of which depend on land surface properties and meteorology and; (ii) across the crop canopy Cited by: / (online) - We review current knowledge of the processes by which ozone will cause injury and damage to crop plants.

We do this both through an understanding of the limitations to ozone uptake (i.e. ozone being transferred from some height in the atmosphere to the leaf boundary layer and subsequent uptake via the stomata) as well as through the internal plant processes.

Introduction. Surface ozone (O 3) is a secondary air pollutant, despite its detrimental effects on human health, field experiments has demonstrated that the O 3 causes substantial damage to plant and agricultural crops (Amann et al. ; Fuhrer ).Exposure of high O 3 concentration greater than 40 parts per billion by volume (ppbv) causes large yield losses of many agriculture crops.

China's economic growth has significantly increased emissions of tropospheric ozone (O 3) precursors, resulting in increased regional O 3 pollution. We analyzed data from > monitoring stations and estimated the exposure of population and vegetation (crops and forests) to O 3 pollution across China in Based on WHO metrics for human health protection, the current O 3 level leads.

its effects in reducing photosynthetic rates and accelerating leaf senescence. There is extensive evidence of the effects of ambient ozone concentrations in reducing crop yields in western Europe and North America, but the evidence of the impacts of ozone on crop yield in other regions is lim-ited.

In Pakistan, studies by Wahid et al. (a, b. Impacts of Ozone on Crop Production and Quality Whilst extreme acute O3 exposure damages the plasmalemma to the extent that the cell is unable to maintain its ionic balance and cell death follows, less acute and chronic exposure diminishes whole plant productivity which may affect the final marketable yield prior to the occurrence, if any.

that many deleterious effects of toxins were prevented by ozone treatments. (53,54,57,58) Hence, application of ozone on mycotoxin contaminated food crops seems to be a.

According to the study, the average yield loss for these crops caused by the pollutant could be up to % for soybean, % for wheat, % for rice and % for maize. And, crop yield losses due to ozone could be as much as 15% in large wheat-producing areas of India and China, the researchers claimed.

Jialun Li, Alex Mahalov, Peter Hyde, Simulating the effects of chronic ozone exposure on hydrometeorology and crop productivity using a fully coupled crop, meteorology and air quality modeling system, Agricultural and Forest Meteorology, /met,(. The harmful effects of ozone and other air pollutants on vegetation have been documented for at least 35 years.1"3 At-tempts to assess the monetary impact of these effects soon followed the recog-nition of an ozone problem.4 Until re-cently however, assessments of the benefits of ozone control to agriculture have been based on only sparse or even.

The National Crop Loss Assessment Network (NCLAN) was set up to determine more accurately crop loss from ozone, sulfur dioxide, and nitrogen dioxide. The NCLAN consists of a group of government and nongovernment organizations cooperating in field work, crop production modeling, and economic studies to assess the immediate and long-term economic.

Ozone pollution caused significant damage to crops in the year and greater reductions in yields are predicted for for some regions of thethe global economic value of crop losses through surface ozone was estimated to be between US$14 and $26 billion, with 40 per cent of this cost occurring in China and India.

Get This Book. Visit to get more information about this book, to buy it in print, or to download it as a free PDF. Looking for other ways to read this. IN ADDITION TO READING ONLINE, THIS TITLE IS AVAILABLE IN THESE FORMATS: PDF FREE Download Paperback $ Add to Cart Ebook $ Add to Cart.

Ozone pollution in relation to crop production What is ozone pollution and whether it is possible to tackle ozone pollution for increasing crop yield to feed global population.

Ozone. Effects of Ozone on Crops and Forests INTRODUCTION At concentrations that occur in rural areas through-out the southern and eastern halves of the United States, ozone reduces yields of economically impor-tant crops by from 1 to 20 percent, compared to yields that would be expected if natural background concentrations were not exceeded [   The Atkinson Center and The School of Integrative Plant Science Presents - Distinguished Speaker in Sustainability, Lisa Ainsworth.

Ozone is the most damaging air pollutant to crops, currently reducing Midwest U.S. maize and soybean production by up to 10%. Ozone enters plants through stomata, reacts to form reactive oxygen species in the apoplast, and ultimately.

Abstract. Current ambient O 3 concentrations in China are high, as shown by observations of typical O 3 symptoms in some plant species and crop yield losses, as detected by the use of chemical protectants against O ments with artificially elevated O 3 concentrations have shown the effects of O 3 on growth processes, grain yield, grain quality, CH 4 emissions, and soil microbiology.

of reducing ozone uptake into crops, for example by withholding irrigation during ozone episodes. Further research is needed to improve our ability to quantify and forecast effects of ozone on crop yield and quality.

Field-based experiments are required especially to enhance our knowledge on the impacts of ozone on crop quality. Agricultural, food, and related industries contributed $ trillion (%) to U.S. GDP in Wheat, corn, and soybeans are the major crops grown in the U.S.—and cotton also makes the cut as a profitable non-food crop.

Much of these crops feed not only Americans, but other parts of. The ozone layer is a layer of ozone gas that is located in the stratosphere, approximately 6 to 10 miles ( km) above the Earth’s surface, and is estimated to extend up approximately 30 miles (50 km).

The ozone layer protects the Earth and all of its living creatures from the sun’s ultraviolet B .