Rashid Baymuratov, Maksim Napreenko, Yuliya Koroleva
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引用次数: 0
摘要
本文提供了俄罗斯加里宁格勒地区不同人为改造程度泥炭地生态系统典型苔藓植物积累能力的原始资料。Vittgirrensky泥炭地是一个重要的研究区域,该地区在20世纪90年代进行了泥炭开采后被废弃,并于2021年被指定为Rossyanka碳测量超级地点。采用x射线荧光光谱法测定了13种苔藓植物(Aulacomnium palustre, Campylopus introflexus, Polytrichum commune, P. strictum, Sphagnum capillifolium, S. centrale, S. cuspidatum, S. fuscum, S. magellanicum, S. riparium, S. squarrosum, S. teres)中微量元素Ca, Mn, Fe, Ni, Zn, Br, Rb和Sr -)的积累量,并与参比种Pleurozium schreberi进行了比较。维特吉伦斯基泥炭地的平均元素浓度记录明显低于区域背景水平。Mn、Ni、Br、Rb和Sr的积累在受干扰的地点和自然地点之间差异显著:铁和锌的浓度相当,而切割泥炭地的Mn水平比未受干扰的泥炭沼泽低几倍。palustre与参考物种schreberi Pleurozium schreberi具有最相似的积累能力,被广泛认为是大气污染的指标,因此可以推荐用于沼泽生态系统的被动生物监测。
Accumulation Characteristics of Bryophytes in Abandoned Disturbed Peatlands: A Case Study From the Kaliningrad Region, Russia
The paper provides original data on accumulation capabilities of bryophytes typical of peatland ecosystems with different degree of anthropogenic transformation occurring in the Kaliningrad Region of Russia. A key study area was the Vittgirrensky Peatland, abandoned after milled peat extraction in 1990s and designated as the Rossyanka Carbon Measurement Supersite in 2021. The accumulation of micro- and macroelements: Ca, Mn, Fe, Ni, Zn, Br, Rb, and Sr – was identified by means of X-ray fluorescence spectroscopy in 13 bryophyte species (Aulacomnium palustre, Campylopus introflexus, Polytrichum commune, P. strictum, Sphagnum capillifolium, S. centrale, S. cuspidatum, S. fuscum, S. magellanicum, S. riparium, S. squarrosum, S. teres) focusing on comparison with the reference species Pleurozium schreberi. The records of average element concentrations from the Vittgirrensky Peatland are shown to be distinctly lower than the regional background level. The accumulation of Mn, Ni, Br, Rb, and Sr varies significantly among disturbed and natural sites: the concentrations are comparable for Fe and Zn, while cut-over peatlands showed the level of Mn several times less than in undisturbed peat bogs. Aulacomnium palustre can be recommended for passive biomonitoring purposes on bog ecosystems as having most similar accumulation capability to the reference species Pleurozium schreberi that is widely recognized as indicator of atmospheric air pollution.