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Pakistan Journal of Biological Sciences
  Year: 2008 | Volume: 11 | Issue: 9 | Page No.: 1258-1262
DOI: 10.3923/pjbs.2008.1258.1262
 
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Impact of Tree Species on Nutrient Stocks in the Forest Floors of a Temperate Forest Ecosystem

Ali Bagherzadeh, Rainer Brumme and Friedrich Beese

Abstract:
To investigate the effect of silvicultural methods on forest floor C, N and elements stocks an experiment was carried out by sampling the forest floors of a 100-120 years old species including beech, Norway spruce and mixed beech-spruce at the Solling forest, Germany. While the stocks of carbon and nitrogen in the forest floors of pure beech and spruce were significantly influenced by species specific differences of litter quality (p<0.001), no significant differences were detected between pure and mixed species stands. Forest floor mass, some elements concentrations and C/nutrient ratios were significantly affected by tree species differences, while no clear dependency between pH and site specific effects was found among pure stands. Acid element concentrations in the forest floors of pure spruce were remarkably higher than the values obtained at beech stand, while the stocks were to some extent modified in mixed silviculture. The base-pump effect of beech significantly controlled variation between mono cultures on calcium stocks, while the acidifying effect of spruce in mixtures resulted in modification of Ca stocks of forest floors. The status of other nutrient elements at mixed species cultures due to variation in nutritional properties and composition of litter compared to pure species were between the range of values observed in mono cultures.
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How to cite this article:

Ali Bagherzadeh, Rainer Brumme and Friedrich Beese, 2008. Impact of Tree Species on Nutrient Stocks in the Forest Floors of a Temperate Forest Ecosystem. Pakistan Journal of Biological Sciences, 11: 1258-1262.

DOI: 10.3923/pjbs.2008.1258.1262

URL: https://scialert.net/abstract/?doi=pjbs.2008.1258.1262

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