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EBOOK
Author Sarkar, Santosh Kumar,
Title Trace metals in a tropical mangrove wetland : chemical speciation, ecotoxicological relevance and remedial measures / Santosh Kumar Sarkar.
Imprint Singapore : Springer, [2018]

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Subject Metals -- Environmental aspects -- Sundarbans (Bangladesh and India)
Trace elements -- Environmental aspects -- Sundarbans (Bangladesh and India)
Environmental geochemistry.
Environmental toxicology -- Sundarbans (Bangladesh and India)
Mangrove swamps -- Sundarbans (Bangladesh and India)
Description 1 online resource (261 pages)
Contents Foreword; Preface; Acknowledgments; Contents; About the Author; Chapter 1: Introduction; 1.1 Why Sediments Should Be Given Priority for Pollution Monitoring Program?; 1.2 Sources of Trace Metal Contamination; 1.2.1 Point and Nonpoint Sources of Pollution; 1.3 Sediment Accumulation Rate; 1.4 Definition and Significance for Metal Speciation; 1.5 Impact of Multiple Stressors on Trace Metal Pollution; 1.5.1 Impact of Anthropogenic Activities for Metal Enrichments; 1.5.2 Interaction Between Climate Change and Dispersion of Pollutants; 1.6 Conclusion; References; Chapter 2: Materials and Methods.
2.1 Study Sites and Selection of Sampling Stations2.2 Sampling Strategy and Preservation of Sediment Samples; 2.3 Analytical Protocol; 2.3.1 Instrumental Techniques in Environmental Chemical Analysis; 2.3.1.1 Atomic Absorption Spectrometry (AAS); 2.3.1.2 Flame Atomic Absorption Spectrometry (Flame-AAS); 2.3.1.3 Graphite Furnace Atomic Absorption Spectrometry (GF-AAS); 2.3.1.4 Hydride Generation Atomic Absorption Spectrometry (HG-AAS); 2.3.1.5 Cold-Vapor (Flameless) Atomic Absorption Spectrometry (CV-AAS); 2.3.1.6 Gas Chromatography.
2.3.1.7 Inductively Coupled Plasma Mass Spectrometry (ICP-MS)2.3.1.8 High-Performance Liquid Chromatography (HPLC); 2.3.1.9 Inductively Coupled Plasma Atomic Emission Spectroscopy (ICP-AES); 2.3.1.10 Energy-Dispersive X-Ray Fluorescence (EDXRF); 2.3.1.11 Diffused Gradients in Thin Film Technique (DGT); 2.3.2 Quality Assurance/Quality Control; 2.3.2.1 Certified Reference Material (CRMs); 2.4 Sediment Quality Assessment and Ecological Risk; 2.4.1 Pollution Load Index (PLI); 2.4.2 Contamination Factor (CF); 2.4.3 Geoaccumulation Index (Igeo) (Muller 1981).
2.4.4 Enrichment Factor (Sakan et al. 2009)2.4.5 Potential Ecological Risk Index (Hakanson 1980); 2.4.6 Modified Degree of Contamination (mCd) (Abrahim 2005); 2.4.7 Nemerow Pollution Load Index (Guang et al. 2010; Qingjie et al. 2008); 2.4.8 Mean ERM Quotient (m-ERM-Q) (Long et al. 1998); 2.4.9 Mean PEL Quotient (m-PEL-Q); 2.4.10 Sediment Quality Guidelines (SQGs); 2.4.10.1 Effects Range-Low and Effects Range-Medium Values; 2.5 Statistical Analyses; 2.5.1 Correlation Matrix; 2.5.2 Principal Component Analysis (PCA); 2.5.3 Dendrogram; 2.5.4 Factor Analysis; 2.5.5 Analysis of Variance (ANOVA).
2.5.6 Box and Whisker Plot2.6 Conclusion; References; Chapter 3: Trace Element Contamination in Surface Sediment of Sundarban Wetland; 3.1 Introduction; 3.2 Materials and Methods; 3.2.1 Study Site; 3.2.2 Sediment Collection and Pretreatment; 3.2.3 Physicochemical Analysis of Sediments; 3.2.4 Sample Digestion and Analytical Protocol; 3.2.5 Assessment of Sediment Quality Guidelines (SQGs); 3.2.6 Assessment of Sediment Contamination and Ecological Risks; 3.2.6.1 Enrichment Factor; 3.2.6.2 Geoaccumulation Index (Igeo); 3.2.6.3 Potential Ecological Risk Factor (RI); 3.2.7 Statistical Analysis; 3.3 Results and Discussion.
Bibliography Note Includes bibliographical references.
Summary This book offers a comprehensive and accessible guide covering various aspects of trace metal contamination in abiotic and biotic matrices of an iconic Indian tropical mangrove wetland - Sundarban. Divided into nine chapters, the book begins by discussing the fundamental concepts of sources, accumulation rate and significance of trace metal speciation, along with the impact of multiple stressors on trace metal accumulation, taking into account both tourist activities and the exacerbating role of climate change. The second chapter presents a detailed account of the sampling strategy and preservation of research samples, followed by exhaustive information on sediment quality assessment and ecological risk, instrumental techniques in environmental chemical analyses, quality assurance and quality control, along with the Sediment Quality Guidelines (SQGs). Using raw data, the sediment quality assessment indices (e.g., pollution load index, index of geoaccumulation, Nemerow Pollution Load Index etc.) and conventional statistical analyses are worked out and interpreted precisely, allowing students to readily evaluate and interpret them. This is followed by chapters devoted to trace metal accumulation in sediments and benthic organisms, as well as acid-leachable and geochemical fractionation of trace metals in sediments. The book then focuses on chemical speciation of butylin and arsenic in sediments as well as macrozoobenthos (polychaetous annelids). Finally, potential positive role of the dominant mangrove Avicennia in sequestering trace metals from rhizosediments of Sundarban Wetland is elaborately discussed. This timely reference book provides a versatile and in-depth account for understanding the emerging problems of trace metal contamination - issues that are relevant for many countries around the globe.
Note Print version record.
ISBN 9789811027932
9811027935
9789811027925
9811027927
ISBN/ISSN 10.1007/978-981-10-2793-2
OCLC # 1001380015
Additional Format Print version: Sarkar, Santosh Kumar. Trace Metals in a Tropical Mangrove Wetland : Chemical Speciation, Ecotoxicological Relevance and Remedial Measures. Singapore : Springer Singapore, 2017 9789811027925