{"title":"Impact of Natural Pest on the Invasive Species Pistia stratiotes in Water Bodies nearby Kyiv","authors":"V. V. Trylis, V. O. Chumak","doi":"10.1615/hydrobj.v59.i6.30","DOIUrl":null,"url":null,"abstract":"In 2020, the mass development of the invasive species <i>Pistia stratiotes </i>occurred in the water bodies of the left-bank floodplain of the Dnieper River downstream Kyiv, the biomass reached 10 kg/m<sup>2</sup>. In 2021, in the same water bodies its biomass was significantly lower and amounted to 6-15&#37; of the last year's, at this most specimens were damaged by the waterlily aphid<i> Rhophalosiphum nymphaea</i>. They looked supressed and had the yellowed leaves. The invasion intensity reached some hundred aphids per a <i>Pistia</i> specimen. The extensity of infestation was uneven: from 100&#37; to 20&#37; in the least affected clusters. On the whole, the portion of the damaged plants was about 70&#37; of total numbers. The waterlily aphid is a widespread species in Ukraine and is a natural enemy of <i>Pistia</i>, which can serve as an effective mean of its control.","PeriodicalId":39692,"journal":{"name":"Hydrobiological Journal","volume":"10 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"2023-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Hydrobiological Journal","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1615/hydrobj.v59.i6.30","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q4","JCRName":"Environmental Science","Score":null,"Total":0}
引用次数: 0
Abstract
In 2020, the mass development of the invasive species Pistia stratiotes occurred in the water bodies of the left-bank floodplain of the Dnieper River downstream Kyiv, the biomass reached 10 kg/m2. In 2021, in the same water bodies its biomass was significantly lower and amounted to 6-15% of the last year's, at this most specimens were damaged by the waterlily aphid Rhophalosiphum nymphaea. They looked supressed and had the yellowed leaves. The invasion intensity reached some hundred aphids per a Pistia specimen. The extensity of infestation was uneven: from 100% to 20% in the least affected clusters. On the whole, the portion of the damaged plants was about 70% of total numbers. The waterlily aphid is a widespread species in Ukraine and is a natural enemy of Pistia, which can serve as an effective mean of its control.
期刊介绍：
This journal contains translations from the premier Russian and Eastern European periodicals in aquatic biology and aquatic ecosystems, supplemented by original articles from elsewhere. The journal publishes in the area of physiology, biochemistry, systematics, ecology and conservation of freshwater fish, invertebrates, vascular plants, zoo- and phytoplankton, as well as freshwater quality and toxicology. While most of the papers deal with inland waters, the journal also publishes articles reporting on expeditionary work, especially the Antarctic and tropical seas. Hydrobiological Journal is valuable to freshwater and marine biologists and chemists, limnologists, environmental scientists, oceanographers, and toxicologists.
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