Sampling optimization, at site scale, in contamination monitoring with moss, pine and oak

被引：17

作者：

Aboal, JR ^{[1
]}

Fernández, JA ^{[1
]}

Carballeira, A ^{[1
]}

机构：

[1] Univ Santiago de Compostela, Fac Biol, Santiago De Compostela 15782, Spain

来源：

ENVIRONMENTAL POLLUTION | 2001年 / 115卷 / 02期

关键词：

metals; mosses; trees; Environmental Specimen Bank; biomonitoring;

D O I：

10.1016/S0269-7491(01)00116-6

中图分类号：

X [环境科学、安全科学];

学科分类号：

08 ; 0830 ;

摘要：

With the aim of optimizing protocols for sampling moss, pine and oak for biomonitoring of atmospheric contamination and also for inclusion in an Environmental Specimen Bank, 50 sampling units of each species were collected from the study area for individual analysis. Levels of Ca, Cu, Fe, Hg, Ni, and Zn in the plants were determined and the distributions of the concentrations studied. In moss samples, the concentrations of Cu, Ni and Zn, considered to be trace pollutants in this species, showed highly variable log-normal distributions; in pine and oak samples only Ni concentrations were log-normally distributed. In addition to analytical error, the two main sources of error found to be associated with making a collective sample were: (1) not carrying out measurements on individual sampling units; and (2) the number of sampling units collected and the corresponding sources of variation (microspatial, age and interindividual). We recommend that a minimum of 30 sampling units are collected when contamination is suspected. (C) 2001 Elsevier Science Ltd. All rights reserved.

引用

页码：313 / 316

页数：4

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