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RECOVERY OF OSTRACOD WITH KNOWN AGES IN DIFFERENTLY TEXTURED SEDIMENTS AND COMPARISON OF TOXICITY OF HEAVILY CONTAMINATED SEDIMENTS WITH OSTRACOD HETEROCYPRIS INCONGRUENS AND AMPHIPOD HYALELLA AZTECA
Форма представленияСтатьи в зарубежных журналах и сборниках
Год публикации2018
Языканглийский
  • Латыпова Венера Зиннатовна, автор
  • Никитин Олег Владимирович, автор
  • Окунев Родион Владимирович, автор
  • Степанова Надежда Юльевна, автор
  • Библиографическое описание на языке оригинала Stepanova N.Yu, Nikitin O.V, Latypova V.Z, Vybornova, I.B., Galieva, G.S., Okunev, R.V. Recovery of ostracod with known ages in differently textured sediments and comparison of toxicity of heavily contaminated sediments with ostracod Heterocypris incongruens and amphipod Hyalella azteca//IOP Conference Series: Earth and Environmental Science. - 2018. - Vol.107, Is.1. - Art. № 012077.
    Аннотация The recovery of 1-, 4-, 6,-, and 8-d-old ostracods (Heterocypris incongruens) from sediments with different texture has been evaluated. The recovery of ostracods at all ages has been in agreement with the acceptability criterion of 80% of survival for sediment tests. The recovery of ostracods has turned out to be equal to or more than 80% for sand and silt sediments, respectively. The comparison of survival rates between ostracods and amphipods has shown good convergence in the tests of heavily contaminated sediments (R2=0.75, p<0.05). The sediment quality criteria (TEC) have been exceeded mostly for total petroleum hydrocarbons (100% samples), Cr (100%), Ni (87%), Cu (87%), Pb (47%), and Cd (53%). The content of acid volatile sulfides (AVS) has been significantly higher than that of simultaneously extracted metals (SEM). The obtained results have indicated that, metals (Cu, Zn, Cd, Ni, and Pb) are non-bioavailable. Only one sample has exceeded TEC for PAHs (dibenz[a,h]anthracene).
    Ключевые слова Heterocypris incongruens, Hyalella azteca
    Название журнала IOP Conference Series: Earth and Environmental Science
    URL https://www.scopus.com/inward/record.uri?eid=2-s2.0-85042229261&doi=10.1088%2f1755-1315%2f107%2f1%2f012077&partnerID=40&md5=a59feefd2b8993321961720f3577724a
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