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 Nitrogen Cycling in Wetland Sediments. The influence of different surface water exchange conditions on denitrification
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Nitrogen Cycling in Wetland Sediments. The influence of different surface water exchange conditions on denitrification

автор Matthias M. издательство Книга по Требованию Другие общетехнические дисциплины
Cтраниц 88        мягкая обложка       
Аннотация:Wetlands are amongst the most productive habitats in the world and play a key role in nutrient retention and the conversion of organic nutrients. The rates of denitrification measured were correlated to nutrient concentrations in sediment and water as well as environmental conditions on the day of sampling. Nitrogen pollution nowadays is a problem in many large rivers in the temperate zone. Two different approaches to measure denitrification in floodplains were applied and the comparison of the results allowed for conclusions about actual and potential rates of denitrification. Sediment and water samples were collected from 3 sampling sites (isolated, connected, and restored) in the Alluvial Zone National Park, east of Vienna in April 2008. In the nitrogen cycle, denitrification is an important process, which removes nitrate from the water. The comparison of the methods showed large differences between actual and potential rates of denitrification for all sites. Potential rates of denitrification were measured with the acetylene inhibition technique (AIT) and compared to the actual rates of denitrification measured with the isotope pairing technique (IPT).
Автор: Matthias M.
Издательство: Книга по Требованию
Год:2010
Цена:
2007 руб
Нет в наличии
Поиск: Nitrogen Cycling in Wetland Sediments. The influence of different surface water exchange conditions on denitrification
НОВЫЙ ГОД СИМВОЛ 2013 ГОДАУКРАШЕНИЯ
КАРНАВАЛ НА НОВЫЙ ГОД РАСПРОДАЖА
Ортомолекулярная медицина Orthomol Устрание причин заболеваний. Ортомоль это новый метод для лечения и профилактики болезней. Orthomol - ортомолекулярная медицина.
Нобелевские лауреаты по экономике (на 23 человека)...

Эту модель он развивал дальше в серии публикаций, написанных совместно с Альбертом Алдо, среди которых выделяются: «Тестирование гипотезы сбережений в течение жизненного цикла» (" es s of he Life Cycle Hypo hesis of Savi gs", 1957), «Постоянный доход и гипотеза поведения в течение жизненного цикла в отношении сбережений» (" he Perma e I come a d he Life Cycle Hypo hesis of Savi g Behavior", 1960) и «Гипотеза сбережений в процессе жизненного цикла: агрегированное ее применение и тестирование» (" he Life Cycle Hypo hesis of Savi g: Aggrega e Implica io s a d es s", 1963). В этих публикациях М. показывает, что нормы сбережений тесно связаны с темпом роста населения, так как этот темп влияет на соотношение людей в молодом возрасте и ушедших на пенсию и численности населения в наиболее работоспособном возрасте. Он также показывает, что высокие темпы экономического роста повышают и норму сбережений, поскольку они увеличивают доходы работающих (а из этих доходов осуществляются сбережения) без увеличения потребления людей, вышедших в отставку, так как их расходы соответствуют более низкому уровню доходов в прошедшем периоде времени. М. пользуется своими открытиями, в частности, в статье «Гипотеза сбережений в процессе жизненного цикла и межстрановые различия в коэффициентах сбережений» (" he Life Cycle Hypo hesis of Savi g a d I ercou ry Differe ces i he Savi g Ra io"), опубликованной в 1970 г., чтобы объяснить изменения в международных нормах сбережений.
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