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E-raamat: Trace Elements as Contaminants and Nutrients: Consequences in Ecosystems and Human Health

(University of Hyderabad, India)
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  • Ilmumisaeg: 20-Aug-2008
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  • ISBN-13: 9780470355091
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  • Formaat: PDF+DRM
  • Ilmumisaeg: 20-Aug-2008
  • Kirjastus: Wiley-Interscience
  • Keel: eng
  • ISBN-13: 9780470355091

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The increasing presence of trace elements in soils, crops, and the environment is a blessing and curse, suggests Prasad (environmental biology, U. of Hyderabad, India). International contributors to 29 chapters review methods of analyzing trace elements in biological samples and the health implications of specific elements in the food chain. Some are essential micronutrients whose lack can cause deficiency diseases: e.g., calcium, iodine, magnesium, selenium, and zinc. Strategies for increasing their bioavailability and a fortification program for iodine are discussed. But these same elements may be toxic at higher concentrations; ones like chromium are toxic at any dose. Tables summarize factors including the biochemical roles of key trace elements, and relative trace metal accumulations in edible plants (as biomonitors of soil contamination). Annotation ©2009 Book News, Inc., Portland, OR (booknews.com)

Access state-of-the-art research about trace element contamination and its impact on human health in Trace Elements as Contaminants and Nutrients: Consequences in Ecosystems and Human Health. In this ground-breaking guide, find exhaustive evidence of trace element contamination in the environment with topics like the functions and essentiality of trace metals, bioavailability and uptake biochemistry, membrane biochemistry and transport mechanisms, and enzymology. Find case studies that will reinforce the fundamentals of mineral nutrition in plants and animals and current information about fortified foods and nutrient deficiencies.
Foreword xix
Preface xxiii
Acknowledgments xxv
Contributhors xxvii
The Biological System of Elements: Trace Element Concentration and Abundance in Plants Give Hints on Biochemical Reasons of Sequestration and Essentiality
1(22)
Stefan Franzle
Bernd Markert
Otto Franzle
Helmut Lieth
Introduction
1(5)
Analytical Data and Biochemical Functions
1(5)
Materials and Methods
6(5)
Data Sets of Element Distribution Obtained in Freeland Ecological Studies: Environmental Analyses
6(2)
Conversion of Data Using Sets of Elements with Identical BCF Values
8(2)
Definition and Derivation of the Electrochemical Ligand Parameters
10(1)
Results
11(4)
Abundance Correlations Among Essential and Nonessential Elements
11(3)
(Lack of) Correlation and Differences in Biochemistry
14(1)
Implication for Biomonitoring: Corrections by Use of Electrochemical Ligand Parameters and BCF-Defined Element Clusters
14(1)
Discussion
15(3)
Conclusion
18(5)
References
19(4)
Health Implications of Trace Elements in the Environment and the Food Chain
23(32)
Nelson Marmiroli
Elena Maestri
Trace Elements Important in Human Nutrition
24(1)
The Man Trace Elements: Their Roles and Effects
25(12)
Arsenic
25(4)
Cadmium
29(1)
Chromium
30(1)
Cobalt
30(1)
Copper
30(1)
Fluorine
30(1)
Iodine
31(1)
Iron
31(1)
Lead
31(1)
Manganese
32(1)
Mercury
32(1)
Molybdenum
32(1)
Nickel
32(1)
Selenium
33(1)
Silicon
33(1)
Tin
33(1)
Vanadium
34(1)
Zinc
34(1)
Hypersensitivity Issues
34(3)
Issues of Environmental Contamination of the Food Chain
37(1)
Legislation Concerning Trace Elements
38(4)
Elements in Soils and the Environment
38(1)
Elements in Foods
39(2)
Supplementation of Minerals to Foods
41(1)
Food Chain Safety
42(5)
Soil and Plants
42(1)
Animal Products
43(1)
Geological Correlates
44(2)
Intentional Contamination
46(1)
Availability of Minerals
46(1)
Biofortification
47(1)
Concluding Remarks
48(7)
Acknowledgments
49(1)
References
49(6)
Trace Elements in Agro-ecosystems
55(26)
Shuhe Wei
Qixing Zhou
Introduction
55(1)
Biogeochemistry of Trace Elements in Agro-ecosystems
56(9)
Input and Contamination
56(4)
Translation, Translocation, Fate, and Their Implication to Phytoremediation
60(5)
Benefit, Harmfulness, and Healthy Implication of Trace Elements
65(3)
Benefit to Plant/Crop
65(1)
Harmfulness to Plant/Crop Physiology
65(1)
Soil Environmental Quality Standards and Background of Trace Elements
66(2)
Phytoremediation of Trace Element Contamination
68(13)
Basic Mechanisms of Phytoremediation
68(4)
Research Progress of Phytoextraction
72(1)
Discussion on Agro-Strengthen Measurements
73(3)
Acknowledgments
76(1)
References
76(5)
Metal Accumulation in Crops---Human Health Issues
81(18)
Abdul R. Memon
Yasemin Yildizhan
Eda Kaplan
Introduction
81(2)
The Concept of Ionomics and Nutriomics in the Plant Cell
83(1)
The Trace Element Deficiencies in the Developing World
84(1)
Improvement of Trace Metal Content in Plants Through Genetic Engineering
85(3)
Genetic Engineering Approaches to Improve the Bioavailability of Iron and Zinc in Cereals
88(3)
Decreasing the Content of Inhibitors of Trace Element Absorption
91(1)
Increasing the Synthesis of Promoter Compounds
92(1)
Conclusions
93(6)
Acknowledgments
93(1)
References
93(6)
Trace Elements and Plant Secondary Metabolism: Quality and Efficacy of Herbal Products
99(22)
Charlotte Poschenrieder
Josep Allue
Roser Tolra
Merce Llugany
Juan Barcelo
Coevolutionary Aspects
99(3)
Environmental Factors and Active Principles
102(1)
Influence of Macronutrients
102(2)
Influence of Micronutrients
104(2)
Trace Elements as Elicitors of Active Principles
106(1)
Trace Elements as Active Components of Herbal Drugs
107(4)
Trace Elements in Herbal Drugs: Regulatory Aspects
111(10)
Acknowledgments
112(1)
References
112(9)
Trace Elements and Radionuclides in Edible Plants
121(16)
Maria Greger
Introduction
121(1)
Plant Uptake and Translocation of Trace Elements
122(2)
Distribution and Accumulation of Trace Elements in Plants
124(1)
Vegetables, Fruit, and Berries
125(3)
Cereals and Grains
128(1)
Cadmium in Wheat
128(1)
Arsenic in Rice
129(1)
Aquatic Plants
129(1)
Fungi
130(1)
How to Cope with Low or High Levels of Trace Elements
131(6)
References
132(5)
Trace Elements in Traditional Healing Plants---Remedies or Risks
137(24)
M. N. V. Prasad
Introduction
137(1)
The Indigenous System of Medicine
138(1)
Herbal Drug Industry
139(2)
Notable Medicinal and Aromatic Plants that have the Inherent Ability of Accumulating Toxic Trace Elements
141(8)
Cleanup of Toxic Metals from Herbal Extracts
149(1)
Polyherbal Preparation and Traditional Medicine Pharmacology
150(2)
Conclusions
152(9)
References
155(6)
Biofortification: Nutritional Security and Relevance to Human Health
161(22)
M. N. V. Prasad
Introduction
161(7)
Bioavailablity of Micronutrients
168(1)
Social Acceptability of Biofortified Crops
169(1)
Development and Distribution of the New Varieties
169(1)
Selected Examples of Biofortified Crops Targeted by Harvestplus in Collaboration with a Consortium of International Partners
169(6)
Rice
170(1)
Wheat
171(1)
Maize
172(1)
Beans
173(1)
Brassica juncea (Indian Mustard)
174(1)
Selenium-Fortified Phytoproducts
175(1)
Sources of Selenium in Human Diet
175(1)
Selenium (Se) and Silica (Si) Management in Soils by Fly Ash Amendment
175(1)
Chromium for Fortification Diabetes Management
176(1)
Silica Management in Rice---Beneficial Functions
177(1)
Conclusions
178(5)
Acknowledgments and Disclaimer
179(1)
References
179(4)
Essentiality of Zinc for Human Health and Sustainable Development
183(34)
M. N. V. Prasad
Biogeochemical Cycling of Zinc
185(1)
Distribution of Zinc Deficiency in Soils on a Global Level
186(2)
Zinc Intervention Programs
188(3)
Zinc-Transporting Genes in Plants
191(13)
Addressing Zinc Deficiency Without Zinc Fortification
204(1)
Zinc Deficiency is a Limitation to Plant Productivity
204(13)
Acknowledgments and Disclaimer
205(1)
References
205(12)
Zinc Effect on the Phytoestrogen Content of Pomegranate Fruit Tree
217(16)
Fatemeh Alaei Yazdi
Farhad Khorsandi
Introduction
217(3)
Materials and Methods
220(2)
Results and Discussions
222(5)
Pomegranate Yield
222(1)
Pomegranate Zinc Content
223(2)
Phytoestrogen Content
225(2)
Summary and Conclusions
227(6)
Acknowledgments
227(1)
References
228(5)
Iron Bioavailability, Homeostasis through Phytoferritins and Fortification Strategies: Implications for Human Health and Nutrition
233(34)
N. Nirupa
M. N. V. Prasad
Introduction
233(1)
Iron Importance
234(1)
Iron Toxicity
235(1)
Interactions with Other Metals
235(3)
Iron Acquisition by Plants
238(1)
Translocation of Iron in Plants
238(1)
Iron Deficiency in Humans
239(2)
Amelioration of Iron Deficiencies
241(1)
Ferritin
242(1)
Ferritin Structure
243(4)
Mineral Core Formation
247(1)
Ferritin Gene Family and Regulation
248(1)
Developmental Regulation
249(2)
Role of Ferritin
251(3)
Metal Sequestration by Ferritin: Health Implications
254(1)
Overexpression of Ferritin
254(13)
Acknowledgments
257(1)
References
257(10)
Iodine and Human Health: Bhutan's Iodine Fortification Program
267(14)
Karma Lhendup
Role of Iodine
267(1)
Iodine Deficiency Disorders (IDD)
268(1)
Sources of Iodine
269(1)
Recommended Intake of Iodine
270(1)
Indicators for Assessment of Iodine Status and Exposure
270(1)
Control of IDD
271(1)
IDD Scenario in Bhutan: Past and Present
272(1)
Toward IDD Elimination in Bhutan: Highlights of the IDD Control Program
273(1)
IDD Survey
273(4)
1996 Onward: Internal Evaluation of the IDDCP through Cyclic Monitoring
277(1)
Conclusion
278(3)
References
278(3)
Floristic Composition at Kazakhstan's Semipalatinsk Nuclear Test Site: Relevance to the Containment of Radionuclides to Safeguard Ecosystems and Human Health
281(14)
K. S. Sagyndyk
S. S. Aidossova
M. N. V. Prasad
Introduction
281(2)
Kazakhstan: Semipalatinsk Nuclear Test Site
283(3)
Flora of Nuclear Test Site
286(6)
Fodder Plants
292(1)
Conclusions
293(2)
Acknowledgments and Disclaimer
293(1)
References
293(2)
Uranium and Thorium Accumulation in Cultivated Plants
295(48)
Irina Shtangeeva
Introduction: Uranium and Thorium in the Environment
295(1)
Uranium and Thorium in Soil
296(5)
Soil Characteristics Affecting Uranium and Thorium Plant Uptake
297(3)
Effects of Soil Amendments
300(1)
Radionuclides in Plants
301(32)
Accumulation of Uranium and Thorium in Plant Roots
302(1)
Differences in U and Th Uptake by Different Plant Species (in the example of wheat Triticum aestivum and Rye Secale cereale)
303(8)
Effects of U and Th Bioaccumulation on Distribution of Other Elements in Rye and Wheat
311(1)
Relationships Between U and Th in Soils and in Different Plant Parts
312(2)
Phytotoxicity of U and Th
314(7)
Effects of U and Th on Leaf Chlorophyll Content and the Rhizosphere Microorganisms
321(4)
Temporal Variations of U and Th in Plants
325(3)
Effects of Thorium on a Plant During Initial Stages of the Plant Growth
328(5)
Potential Health Effects of Exposure to U and Th
333(10)
References
336(7)
Exposure to Mercury: A Critical Assessment of Adverse Ecological and Human Health Effects
343(30)
Sergi Diez
Carlos Barata
Demetrio Raldua
Human Health Effects
343(6)
Introduction
343(1)
Sources and Cycling of Mercury to the Global Environment
344(2)
Methylmercury
346(3)
Adverse Ecological Effects
349(8)
Laboratory Toxicity Studies
349(2)
Biochemical Approaches to Study Bioavailability and Effects
351(2)
Methods
353(1)
Results and Discussion
354(3)
Case Study: Mercury-Cell Chlor-Alkali Plants as a Major Point Sources of Mercury in Aquatic Environments---The Case of Cinca River, Spain
357(16)
Introduction
357(1)
The Case of Mercury Pollution in Cinca River, Spain
358(6)
References
364(9)
Cadmium as an Environmental Contaminant: Consequences to Plant and Human Health
373(40)
Saritha V. Kuriakose
M. N. V. Prasad
Introduction
373(1)
Cadmium is Natural
374(1)
Past and Present Status
375(21)
Natural Sources
376(1)
Technogenic Sources
376(2)
In Agricultural Soils: Cadmium from Phosphate Fertilizers
378(1)
Induction of Oxidative Stress as a Fall-Out of Cadmium Toxicity
378(1)
Oxidative Damage to Membranes
378(1)
Oxidative Damage to Chloroplasts
379(1)
Protein Oxidation
379(1)
Oxidative Damage to DNA
380(2)
Antioxidant Defense Mechanisms in Response to Cadmium Toxicity
382(2)
Cadmium Availability and Toxicity in Plants
384(3)
Metal-Metal Interactions
387(1)
Uptake and Transport of Cadmium by Plants
388(1)
Consequences to Human Health
389(3)
Options for Cadmium Minimization
392(1)
Molecular and Biochemical Approaches
392(2)
Breeding Strategies
394(1)
Soil Cadmium Regulation
394(2)
Conclusions
396(17)
References
397(16)
Trace Element Transport in Plants
413(36)
Danuta Maria Antosiewicz
Agnieszka Sirko
Pawet Sowinski
Introduction
413(3)
Short-Distance Transport
416(17)
Metal Uptake Proteins
416(7)
Metal Efflux Proteins
423(10)
Alternative Plant Metal Transporter
433(1)
Intercellular and Long-Distance Transport
433(5)
The Importance of Plant Mineral Status for Human Health
438(11)
Acknowledgments
438(1)
References
439(10)
Cadmium Detoxification in Plants: Involvement of ABC Transporters
449(22)
Sonia Plaza
Lucien Bovet
Cadmium in Plants
449(2)
Cadmium Effects in Plants
449(1)
Genes Regulated by Cd Stress
450(1)
ABC Transporters
451(11)
Functions of ABC Transporters in Plants
451(1)
Characteristics of ATP-Binding Cassette Transporters
451(1)
Subfamilies of ATP-Binding Cassette Proteins
452(1)
Involvement of ABC Transporters in Cadmium Detoxification in Plants
452(10)
Conclusion
462(9)
Acknowledgments
463(1)
References
463(8)
Iron: A Major Disease Modifier in Thalassemia
471(24)
Sujata Sinha
Introduction
471(3)
Hemoglobin: The Tetramer Molecule
472(1)
Erythropoiesis and Erythroid Differentiation
472(2)
Pathophysiology of Thalassemia
474(1)
Iron Metabolism: Current Concepts and Alterations in Thalassemia
474(6)
Iron Absorption and Uptake
476(1)
Regulation of Expression of Transferrin Receptors
477(2)
Alterations in Iron Absorption and Uptake in Thalassemia
479(1)
Heme Synthesis and Its Role in Regulation of Erythropoiesis
480(4)
Role of Heme in Globin Regulation and Erythroid Differentiation
481(1)
Pivotal Role of HRI in Microcytic Hypochromic Anemia
481(1)
Role of HRI in Beta Thalassemia Intermedia
482(1)
Iron and Pathobiology of Thalassemia
482(1)
Iron Storage and Its Effects on Parenchymal Tissues and Organs
483(1)
Effect of Transfusional Iron Overload on Iron Homeostasis and Morbidity and Mortality
484(2)
Iron Homeostasis in Transfusional Iron Overload
484(1)
Transfusion Iron Overload-Associated Morbidity and Mortality
485(1)
Endocrinopathy in Thalassemia
485(1)
Liver Disease
485(1)
Heart Disease
486(1)
Evaluation and Management of Iron Overload
486(2)
Evaluation of Iron Overload
486(1)
Basis of Iron Chelation Therapy and Iron Chelator Drugs
487(1)
Potential Role of Iron Chelation Therapy in Improving Basic Pathophysiology of Beta Thalassemia
488(1)
Summary
488(7)
References
489(6)
Health Implications: Trace Elements in Cancer
495(28)
Rafael Borras Avino
Jose Rafael Lopez-Moya
Juan Pedro Navarro-Avino
Introduction
495(1)
General Nutritional and Medical Benefits
496(1)
Toxic Heavy Metals
496(23)
Mercury
497(3)
Arsenic
500(8)
Chromium
508(3)
Cadmium
511(4)
Lead
515(2)
Benefits in Cancer
517(2)
General Conclusions
519(4)
References
519(4)
Mode of Action and Toxicity of Trace Elements
523(32)
Arun K. Shanker
Introduction
523(2)
Mode of Action and Toxicity of Trace Elements in General
525(3)
Specific Mode of Action of Major Trace Elements
528(14)
Arsenic
528(4)
Cadmium
532(5)
Chromium
537(5)
Specific Mode of Action of Other Metals
542(7)
Nickel
542(2)
Lead
544(1)
Mercury
545(4)
Mode of Action: What is the Future?
549(6)
References
550(5)
Input and Transfer of Trace Metals from Food via Mothermilk to the Child: Bioindicative Aspects to Human Health
555(38)
Simone Wuenschmann
Stefan Franzle
Bernd Markert
Harald Zechmeister
Introduction
555(1)
Aims and Scopes
556(2)
Principles
558(3)
Transfer of Chemical Elements
558(1)
Physiology of Lactation
559(1)
Transfer of Chemical Elements into Human Milk
560(1)
Materials and Methods
561(9)
A Comparison of the Two Experimental Regions Euroregion Neisse and Woivodship Matopolska with Respect to Factors that Cause Environmental Burdens
561(3)
Origins and Sampling of Food and Milk Samples
564(3)
Analytical Methods
567(2)
Quality Control Measures for Analytic Data
569(1)
Calculation of Transfer Factors in the System Food/Mother's Milk
570(1)
Results
570(7)
A Comparison of Element Concentrations Detected in Colostrum and Mature Milk Sampled in Different Countries
570(4)
Transfer Factors for All the Investigated Elements (Specific Ones) in the Food/Milk System and Extent of Partition of Elements into Mother's Milk
574(3)
Discussion
577(7)
Physiological and Dynamic Features of Chemical Elements in the Food/Milk System
577(5)
Lack of an Effect of Regional Pollution on Chemical Element Composition in Mother's Milk
582(2)
Conclusion: Is There a Role for Human Milk in Metal Bioindication?
584(9)
References
588(5)
Selenium: A Versatile Trace Element in Life and Environment
593(30)
Simona Di Gregorio
What is Selenium?
593(3)
Selenium Industrial Applications
593(1)
Selenium in the Environment
594(2)
Biological Reactions in Selenium Cycling
596(7)
Microbial Assimilatory Reduction
597(1)
Microbial Dissimilatory Reduction
597(2)
Detoxification of Se Oxyanions by Reduction Reactions in Aerobiosis
599(2)
Regulation of Reducing Equivalents
601(1)
Oxidation of Reduced Se Forms
602(1)
Selenium Volatilization, Se Methylation and Demethylation
602(1)
Selenium in Humans and Animals
603(2)
Selenium in Plants
605(2)
Selenium of Environmental Concern: Exploitation of Biological Processes for Treatment of Selenium Polluted Matrices
607(16)
Microbe-Induced Bioremediation
608(1)
Selenium Plant-Assisted Bioremediation (Phytoremediation)
609(2)
Plant-Microbe Interaction: Selenium Phytoremediation Processes
611(1)
References
612(11)
Environmental Contamination Control of Water Drainage from Uranium Mines by Aquatic Plants
623(30)
Carlos Paulo
Joao Pratas
Introduction
623(1)
Uranium Mining: Environmental and Health
624(7)
Uranium Toxicity
627(2)
Uranium Mining History in Portugal
629(2)
Phytoremediation of Metals with Aquatic Plants as Strategies for Mine Water Remediation
631(3)
Uranium Accumulation in Aquatic Plants and Phytoremediation Studies
632(2)
Case Study: Water Drainage from Uranium Mines Control by Aquatic Plants in Central Portugal
634(12)
Selection of Aquatic Macrophytes: Field Studies
634(6)
Laboratory Experiements: Uranium Accumulation
640(4)
C. Stagnalis
Phytoremediation Laboratory Prototype
644(2)
Future Prospects of Water Phytoremediation
646(7)
Acknowledgments
647(1)
References
647(6)
Copper as an Environmental Contaminant: Phytotoxicity and Human Health Implications
653(26)
Myriam Kanoun-Boule
Manoel Bandeira De Albuquerque
Cristina Nabais
Helena Freitas
Copper and Humans: A Relation of 10,000 Years
653(1)
Copper: Identity Card, Main Sources, and Environmental Pollution
654(2)
Copper in the Atmosphere
654(1)
Copper in the Hydrosphere
654(1)
Copper in the Lithosphere and Pedosphere
655(1)
Copper in Plants
656(14)
Metabolic Functions of Copper
656(1)
Toxicity of Copper
657(6)
Copper and Human Health
663(7)
Further Research Topics
670(9)
References
671(8)
Forms of Copper, Manganese, Zinc, and Iron in Soils of Slovakia: System of Fertilizer Recommendation and Soil Monitoring
679(22)
Bohdan Jurani
Pavel Dlapa
Forms of Trace Elements in Heterogeneous Soil Materials
679(3)
Concept of Micronutrients Used in Agriculture of Former Czechoslovakia
682(1)
Determination of Available Forms of Some Micronutrients in Soil Based on the Rinkis Method
682(3)
Results of Modified Rinkis Method of Available Copper, Manganese, and Zinc in Soils of Slovakia
685(1)
More Suitable Method for Determination of Plant Available Forms of Copper, Manganese, Zinc, and Iron in Soils
686(1)
Limits to Lindsay---Norvell Method
687(3)
Some Results Concerning Using Lindsay---Norvell Method
690(2)
System of Micronutrients Application: Copper, Manganese, Zinc, and Iron for Agricultural Crops, Recommended in Slovakia
692(2)
Remarks to the System used for Copper, Manganese, Zinc, and Iron Available Forms Determination and Fertilizers Recommendation
694(1)
New Priorities in Research of Trace Elements in Soils of Slovakia---Soil Monitoring
695(6)
References
697(4)
Role of Minerals in Halophyte Feeding to Ruminants
701(20)
Salah A. Attia-Ismail
Introduction
701(1)
Ash and Mineral Contents of Halophytes
702(1)
Factors Affecting Mineral Contents of Halophytes
702(4)
Salt-Affected Soils
706(1)
Irrigation with Saline Water
706(1)
Salinity Level
706(2)
Plant Species
708(1)
Mineral Role in Ruminant Nutrition
708(1)
Recommended Mineral Allowances
708(2)
Minerals Deficiency in Halophyte Included Diets
710(3)
Excessive Minerals in Livestock Rations in Dry Areas
713(1)
Effect of Halophytes Feeding on Mineral Utilization
713(1)
Effect of Minerals on Rumen Function
714(1)
Effect of Minerals on Feed Intake
715(1)
Effect of Minerals on Water Intake and Nutrient Utilization
716(1)
Effect of Minerals on Microbial Community in the Rumen
717(4)
References
717(4)
Plants as Biomonitors of Trace Elements Pollution in Soil
721(22)
Munir Ozturk
Ersin Yucel
Salih Gucel
Serdal Sakcali
Ahmet Aksoy
Introduction
721(1)
Soils and Trace Elements
722(3)
Plants as Biomonitors of Trace Elements
725(10)
Conclusions
735(8)
References
735(8)
Bioindication and Biomonitoring as Innovative Biotechniques for Controlling Trace Metal Influence to the Environment
743(18)
Bernd Markert
Introduction
743(2)
Definitions
745(1)
Comparision of Instrumental Measurements and the Use of Bioindicators with Respect to Harmonization and Quality Control
746(2)
Examples for Biomonitoring
748(4)
Mosses for Atmospheric Pollution Measurements
748(2)
Is There a Relation Between Moss Data and Human Health?
750(2)
What do Bioaccumulation Data Really Tell Us?
752(2)
Future Outlook: Breaking ``Mental'' Barriers Between Ecotoxicologists and Medical Scientists
754(7)
References
757(4)
Biodiversity Index 761(8)
Subject Index 769
M. N. V. Prasad, PhD, is a Professor of Environmental Biology at the University of Hyderabad, India, and is the author, coauthor, editor, or coeditor of six books and more than 170 research papers on environmental botany and heavy metal stress in plants. Dr. Prasad is an elected Fellow of the Linnean Society of London, England, and the National Institute of Ecology, New Delhi, India; life member of the National Institute of Ecology and the Bioenergy Society of India; and a member of the International Allelopathy Society and the Indian Network for Soil Contamination Research.