Антропогенные изменения лотических экосистем Мурманской области. В 2 ч. Ч. 2. Озерно-речная система реки Чуна в условиях аэротехногенного загрязнения / Кашулин Н. А. [и др.] ; Рос. акад. наук, Кол. науч. центр, Ин-т проблем пром. экологии Севера. - Апатиты : Кольский научный центр РАН, 2007. - 238 с. : ил.

CONTENTS Page INTRODUCTION.................................................................................................... ...5 Chapter 1. PHYSICO-GEOGRAPHICAL CONDITIONS OF THE STUDY AREA..................................................................................................... 15 Chapter 2. RESEARCH METHODS....................................................................... ...23 2.1. Hydrochemistiy.............................................................................. ... 23 2.2. Lake sediments.......................................................................... ........ 25 2.3. Hydrobiological researches................................................................ 27 2.4. Ichthyological researches................................................................ ...29 Chapter 3. QUANTITATIVE ASSESSMENT OF AIR POLLUTION OF THE LAKE CHUNOZERO DRAINAGE AREA BY INDUSTRIAL EMISSIONS OF SULPHATES, NICKEL AND COPPER................... 31 3.1. Brief description of the calculation method........................................31 3.2. Verification of the calculation method...............................................34 3.3. Quantitative assessment of substance accumulation..........................38 3.4. Quantitative assessment of substance hydrochemical flow from the drainage area 51 3.5. Visualization of air pollution load .................................................. ....65 Chapter 4. HYDROCHEMICAL COMPOSITION OF WATER OBJECTS........ ...67 Chapter 5. CONTEMPORARY CHEMICAL COMPOSITION OF LAKE SEDIMENTS......................................................................................... ... 97 5.1. Chemical composition of lake sediments...........................................97 5.2. Regularities of elements distribution in sediments of studied lakes 130 Chapter 6. CONTEMPORARY STATE OF ZOOPLANKTON............................ ...138 Chapter 7. PALEOECOLOGICAL RECONSTRUCTIONS BASED ON DIATOM ANALYSIS OF SEDIMENTS IN THE LAKE GORNOYE IN CHUNA-TUNDRA.................................................... ... 151 7.1. Analysis of diatom complexes composition and structure........... ..... 151 7.2. Reconstruction of p H ...................................................................... ....154 7.3. Morphological changes of valves.................................................. .....155 Chapter 8. STATE OF FISH COMMUNITY IN THE LAKE CHUNOZERO.........158 8.1. Description of ichtyofauna..................................................................158 8.2. Fish population characteristics............................................................ 158 8.3. Whitefish population characteristics ..................................................166 8.4. Results of pathologomorphological analysis (state of whitefish body)............................................................................................. .....175 8.5. Metals concentrations in fish organs and tissues........................... .....177 8.5.1. Analysis of accumulation level and coefficients of heavy metals and aluminium in fish ................................................. 178 8.5.2. Seasonal dynamics of heavy metals concentrations in whitefish organs and tissues................................................... 187 REFERENCES..............................................................................................................204 APPENDIX................................................................................................................... 215 238