Abstract—The long-term dynamics of the macrozoobenthos and concentrations of plant pigments in silts of the riverine reach of the reservoir for the period of 1947–2015 are discussed. We have found that the abundance of the macrozoobenthos and the content of sedimentary pigments have significantly increased in recent years. In the temporal aspect, statistically significant relationships of the sum content of chlorophyll a and its degradation products with abundance and biomass of total macrozoobenthos, biomass of chironomids, abundance of oligochaetes, and the saprobity index were determined. It was found that the trophic status of Rybinsk Reservoir has increased in the current conditions.

中文翻译：

---

雷宾斯克水库底泥中大型动物和植物色素的长期动态

摘要—讨论了1947-2015年间河床河段淤泥中大型动物的长期动态和植物色素的浓度。我们发现，近年来大型动物的数量和沉积色素的含量已显着增加。在时间方面，确定了叶绿素a及其降解产物的总含量与总大型动物的丰度和生物量，拟虫的生物量，寡壳动物的丰度和腐烂指数的统计显着性关系。发现在当前条件下雷宾斯克水库的营养状况有所提高。