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With regards to moss, Pohlia nutans and Ceratodon purpureus were the only moss species surviving in small patches on the most contaminated site (Salemaa et al. 2001) (Table 3). Although the frequency of Pleurozium schereberi and Dicranum spp. began to increase at 8 km (Salemaa et al. 2001) the Cu concentration in their tissues were considerably higher than those in background areas (Helmisaari et al. 1995). The reindeer lichens (Cladina spp.) appeared to be more tolerant than forest mosses, they increased in frequency at 4 km (Salemaa et al. 2001). Epiphytic lichens were absent up to 2 km, on an area of 8.8 km^2, in 1970 (Laaksovirta and Silvola 1975) and up to 4 km in 1987 (Fritze et al. 1989).
3.2 Nutrient Cycling
Inhibition of nutrient cycling and the displacement of base cations from cation exchange sites by Cu and Ni cations has resulted in a decrease of base cation (Ca, Mg, K) concentrations in the organic layer (Derome and Lindroos 1998b). Trees have not been able to
3.2 Nutrient Cycling
Inhibition of nutrient cycling and the displacement of base cations from cation exchange sites by Cu and Ni cations has resulted in a decrease of base cation (Ca, Mg, K) concentrations in the organic layer (Derome and Lindroos 1998b). Trees have not been able to
至于青苔, pohlia碱、藓苔紫红的唯一幸存种小片土地上最毒(salemaa 等. 2001)(见表3). 虽然频率和草本schereberi狭许可证. 上午8公里开始上升(salemaa等. 2001年)的铜含量大大高于其组织 那些地方的背景(helmisaari等. 1995). 驯鹿地衣(cladina许可证). 森林显得更宽容比藓、 他们在4公里的频率增加(salemaa等. 2001). 附生地衣缺席达2公里,占地8.8平方公里, 1970(laaksovirta和silvola1975)4、截至1987公里(fritze等. 1989). 3.2抑制养分循环和养分循环位移基地用地的铜离子从阳离子交换及 倪阳离子导致下跌基地阳离子(钙、镁、 十一)浓度有机层(deromelindroos和1998年b). 树木都未能利用土壤养分池可能因为矿产的毒性 铜和镍厂科幻氖根 包括外生根尖(helmisaari等. 1999)自毫克钙, 苏格兰人松针、锰含量低(derome涅米宁和1998年). 相比之下,树木从土壤取得Cp+103-183-05钾、 尽管自浸出钾组织密切的针头从熔炉 针钾含量较高(涅米宁等. 1999). 秋季养分运转,即从养分运输的其余器官衰老针头越冬存储 磷、钾较少赤松艾菲03-183-05接近8公里的冶炼厂比(涅米宁 helmisaari和1996年). 该建议将养分运转inhibitedby非致病真菌的兰(1995). 但是 真菌似乎并未减少的原因是由于内吸收养分数量是真菌感染针头 较低的冶炼厂比接近较远(helander1995).