Decline of Trees by Acid Rain - Especially Cation -
نویسندگان
چکیده
منابع مشابه
Decline of acid rain enhances mercury concentrations in fish.
M efforts have been made to reduce sulfur emissions in Europe. Acid rain pollution in Norway has diminished substantially, thanks to the 1979 Geneva Convention on Longrange Transboundary Air Pollution, which was implemented starting in 1983. Parallel with the reduction in acid rain, atmospheric concentrations and deposition of mercury (Hg) have also been reduced. Here, we show that reduced acid...
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Abbasi Domshahri M. and Ghaderi R. 2019. Causal agents of citrus trees decline in Fars province . Plant Pathology Science 8(1):15-23. DOI: 10.2982/PPS.8.1.15. During recent years, citrus trees decline has becoming one of the most important factors of limiting the area of citrus orchards in the south of Iran including Fars province. Different biotic and abiotic agents were attributed to citr...
متن کاملAcid Rain
Pure water has a pH of 7.0 (neutral); however, natural, unpolluted rainwater actually has a pH of about 5.6 (acidic).[Recall from Experiment 1 that pH is a measure of the hydrogen ion (H+) concentration.] The acidity of rainwater comes from the natural presence of three substances (CO2, NO, and SO2) found in the troposphere (the lowest layer of the atmosphere). As is seen in Table I, carbon dio...
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Ventilator-associated pneumonia (VAP) is a new (nosocomial) lower respiratory tract infection diagnosed in mechanically ventilated patients 48 or more hours after intubation. There is no gold standard for establishing the diagnosis and its pathogenesis is iatrogenic and multifactorial. Gastro-oesophageal reflux is common in mechanically ventilated children, but its role in VAP remains speculati...
متن کاملAcid rain and acidification in China: the importance of base cation deposition.
Acid deposition has been recognized as a serious environmental problem in China. Most acid deposition studies have focused on sulfur deposition and the pH of precipitation. However, as high concentration of alkaline dust is an important feature of the atmosphere in large parts of China, base cation deposition must be taken into account when discussing possible effects on soils and vegetation fr...
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ژورنال
عنوان ژورنال: The Korean Journal of Ecology
سال: 2005
ISSN: 1225-0317
DOI: 10.5141/jefb.2005.28.6.383