Антропогенные изменения лотических экосистем Мурманской области. В 2 ч. Ч. 1. Ковдорский район / Кашулин Н. А. [и др.] ; Рос. акад. наук, Кол. науч. центр, Ин-т проблем пром. экологии Севера. - Апатиты : Кольский научный центр РАН, 2005.

CONTENTS Page INTRODUCTION................................................................................................. ..... 5 Chapter I. PHYSICAL-GEOGRAPHICAL CONDITIONS OF AREA OF RESEARCHES..................................................................................... 9 Chapter II. METHODS OF RESEARCHES........................................................ ...12 2.1. Hydrochemistiy...............................................................................12 2.2. Sediments........................................................................................13 2.3. Hydrobiological researches............................................................. 15 2.4. Ichthyological researches.................................................................16 2.5. Method of the pathological-morphological analysis of organism condition........................................................................................ 21 Chapter III. CHEMICAL COMPOSITION OF WATER OBJECTS IN INFLUENCE ZONE OF COMPANY "KOVDORSKY GOK"........ ...22 Chapter IV. MODERN CHEMICAL COMPOSITION OF SEDIMENTS IN INFLUENCE ZONE OF COMPANY "KOVDORSKY GOK"........ ...38 Chapter V. APPROPRIATENESS OF DISTRIBUTION OF ELEMENTS IN SEDIMENTS OF THE INVESTIGATED LAKES........................... ...72 Chapter VI. MANGANESE IN SURFACE WATERS OF KOVDOR REGION 81 6.1. Sources of environmental contamination by manganese................. 82 6.2. Behaviour ofmanganese in natural waters and methods of its analysis...........................................................................................89 6.3. Manganese in waters ofKovdor industrial region........................ ... 124 6.4. Decrease of the manganese contents in sewage waters.................... 135 Chapter ѴП. MODERN CONDITION OF HYDROBIONTS................................... 147 Chapter ѴШ. CONDITION OF FISH PART OF COMMUNITY OF RESERVOIRS OF KOVDOR REGION.......................................... .....169 8.1. The characteristic of ichtiofauna.................................................. ....169 8.2. Population characteristics of whitefish......................................... ....169 8.3. Results of the pathological-morphological analysis (condition of organism of whitefish)................................................................ ... 174 8.4. Population characteristics of vendace...............................................177 8.5. Population characteristics of salmon trout.................................... ... 178 8.6. Accumulation of metals in fish organism..................................... ... 180 Chapter IX. PRINCIPLES OF THE ORGANIZATION OF MONITORING OF SURFACE WATERS QUALITY OF KOVDOR REGION............. .... 192 REFERENCES....................................................................................................... .....203 APPENDIX............................................................................................................ ..... 221 234