see refs: https://www.researchgate.net/profile/Sergei_Ostroumov/blog/460_Useful_PUBLICATIONS_listed_here_ARE_AVAILABLE_ONLINE_FREE

see also the recent blogs:

-----https://www.researchgate.net/profile/Sergei_Ostroumov/blog/347_Biodiversity_and_stability_of_ecosystems;

http://blog.researchgate.net/masterblog/276_New_threat_to_water_quality_discovery_of_the_new_important_type_of_hazards_from_pollution_Synecological_summation_of_effects_on_different_trophic_levels;

http://blog.researchgate.net/masterblog/255_Criteria_of_ecological_hazards_due_to_anthropogenic_effects_on_the_biota_Searching_for_a_system;