International Review of Hydrobiology (INT REV HYDROBIOL )

Publisher: John Wiley & Sons


International Review of Hydrobiology - Homepage Throughout the decades the development of water ecology has been reflected in this journal: the analysis and assessment of biological structures in water in their interconnection with the internal and external cycle of materials. Today the articles reflect the journal's title: Hydrobiology - the science of life processes in water. It is international forming the basis for relevant decisions in politics and society since mankind is dependent on water in so many ways. An international team of scientists guarantees the international character and comprehensive coverage of this journal.

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    International Review of Hydrobiology website
  • Other titles
    International review of hydrobiology (Online)
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    Document, Periodical, Internet resource
  • Document type
    Internet Resource, Computer File, Journal / Magazine / Newspaper

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John Wiley & Sons

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    • 'John Wiley and Sons' is an imprint of 'Wiley-Blackwell'
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Publications in this journal

  • [Show abstract] [Hide abstract]
    ABSTRACT: We investigated the influence of light on phototactic behavior and reproduction in two species of rotifer from the Brachionus plicatilis species complex (B. plicatilis sensu stricto (s. s.) and Brachionus manjavacas). This was done to understand how light effects these species so that we might use this knowledge to establish a more efficient aquaculture protocol. We used four different light wavelengths (white, with peaks at 460 and 570 nm; blue at 470 nm; green at 525 nm; and red at 660 nm) and four intensities (i.e., 0.5–30.0 W/m2). Using micro-spectrophotometry we determined that eyespots of these two Brachionus species absorbed blue and green light 5.5 times more than red light. B. plicatilis s. s. showed positive phototaxis under white, blue, and green light at lower light intensities, but no phototaxis under red light at all intensities (0.5, 6.2, 15.0, and 30.0 W/m2). Similar patterns of phototaxis were observed in B. manjavacas and did not differ among mictic, amictic females, and male rotifers. Population growth rate of B. plicatilis s. s. under dark condition was 1.1–1.2 times higher than that under white light condition. No significant differences were observed in population growth rate at 3.8 and 6.2 W/m2 at all light wavelengths. On the other hand, population growth rates at 0.5 and 1.6 W/m2 were the lowest under blue light. According to these results, both wavelength and intensity of light affect the population growth of rotifers, which in turn may be influenced by the rotifers' wavelength-dependent phototaxis.
    International Review of Hydrobiology 02/2014;
  • [Show abstract] [Hide abstract]
    ABSTRACT: We investigated the effects of fortifying a diet of Chlorella vulgaris with Selenium (Se) on sexual and asexual reproduction of rotifers in the Brachionus plicatilis species complex: i.e. two strains of B. plicatilis sensu stricto and one of Brachionus rotundiformis. These rotifers were cultured for 8–10 days on one of three different diets that were adjusted to provide the same dry weight of food: non-fortified Chlorella, Se-fortified Chlorella, and Nannochloropsis oculata. B. plicatilis (Makishima strain), which is obligatorily asexual, showed no difference in population growth rate among the three different diets (r = 0.55–0.61). On the other hand, B. plicatilis (NH17L strain), which reproduces by cyclical parthenogenesis, showed higher population growth (r = 0.25) and also higher rates of fertilization (35.9%) and absolute resting egg production (2803.9 eggs/g food) with the Se-fortified Chlorella diet than with other foods. Although B. rotundiformis (Kochi strain), which also exhibits cyclical parthenogenesis, showed no differences in population growth among the three different diets (r = 0.42–0.48), sexual reproduction parameters were different depending on the feeding regime. The highest mixis (26.2%), fertilization (72.6%), and resting egg production (3489.9 eggs/g food) were observed with the Se-fortified Chlorella diet. We posit that the effect of Se-fortified diet was greater on the resting egg production by enhancing male fertility than on population growth.
    International Review of Hydrobiology 02/2014;
  • [Show abstract] [Hide abstract]
    ABSTRACT: In recent years, there has been an increasing interest in the ecology of algal species Gonyostomum semen (Ehr.) Diesing, as it is often referred as an invasive species and a climate change indicator. Like many other flagellates, the species has the ability to active swimming, therefore it is often found unevenly distributed in the water column. Although there are several studies focused on the species vertical distribution (VD) and its diurnal changes, there is no general agreement about the causes and mechanisms of the phenomenon. In this paper, we analyzed G. semen VD in three stratified humic lakes in the new area of its spread in Central Europe, aiming to determine the common pattern of this phenomenon as well as to search any relationship with chemical and biotic factors. The results of this investigation showed that VD of the alga during the day varied among three lakes and that Gonyostomum migrated upward in the morning and downward in the afternoon, but it could stay in deep, anoxic and dark layers through most of the diurnal cycle. The analysis of chemical factors revealed that phosphate retrieval from deeper layers is probably not a key driver of the alga uneven VD and its migrations. Diurnal observations showed that three dominating zooplankton species (Asplanchna priodonta, Ceriodaphnia quadrangula, and Eudiaptomus graciloides) changed their vertical position in parallel to Gonyostomum. We have suggested in conclusions that the pattern of G. semen VD in temperate stratified lakes is not universal, but rather depends on particular lake conditions, including phosphate content and light climate. Since the zooplankton VD could play a regulating role in the alga behavior, further research in this field would be of great help in understanding this invasive alga ecology. =======© 2013 WILEYVCH Verlag GmbH & Co. KGaA, Weinheim========== The original publication is available at: ===========
    International Review of Hydrobiology 10/2013; 98.
  • Article: Preface
    International Review of Hydrobiology 08/2013; 98(4):173-173.
  • [Show abstract] [Hide abstract]
    ABSTRACT: We conducted a microcosm study to assess the preferences of Procambarus clarkii (Girard, 1852), an invasive and successful crayfish species, for conditioned leaf litter from alder, oak, and plane with and without feces access. Some chemical foliar characteristics were determined at the beginning and at the end of the experiment. Alder and plane leaves had higher total nitrogen and lower C:N ratio than oak. Oak and plane exhibited similar polyphenol contents. Animals preferred alder>plane>oak leaves (p < 0.0001) and a coprophagous trend was observed. Consumption rates varied among litters according to fecal availability and the interaction litter/fecal availability. Our results suggest that the importance of P. clarkii in breakdown of riparian tree leaves depends not only on the tree species and their characteristics, but also on access to fecal material. Leaf species with high N contents and low C:N ratios would be preferably consumed by the crayfish, and the consumption would be faster in lotic than in lentic systems.
    International Review of Hydrobiology 08/2013; 98(4):183.
  • [Show abstract] [Hide abstract]
    ABSTRACT: The aim of this study was to determine whether, and to what extent, structures of pigment-origin affect the susceptibility of humic acids (HAs) to oxidation, with the primary focus on derivatives of chlorophyll. The sediment samples were collected from lakes with different catchment management, and the Szczecin Lagoon, which is the estuary of the Odra River. HAs were extracted from sediments using 0.5 M NaOH solution. Sediments differed in their contents of total organic carbon (3.8–456.0 g kg−1) and total nitrogen (0.8–33.7 g kg−1). HAs extracted from sediments were characterized by the highly diverse composition of chemical elements and spectrometric properties regarding the visible-light spectrum and ultraviolet radiation. HAs extracted from the sediments of lakes situated in the Chodzież and Wałcz Lake Districts (ChWLD) with forest catchment areas, were most susceptible to oxidation, indicating that the processes that occur during oxidation are affected by the content of pigment-originated structures (the derivatives of chlorophyll) in the molecules of HAs. These structures are relatively resistant to oxidation, because they are present in the spectra of alkaline solutions of HAs after oxidation. The conducted studies also proved that the susceptibility of HAs of sediment origin to oxidation cannot be interpreted in the standard way applied to values obtained for soil HAs.
    International Review of Hydrobiology 08/2013; 98(4):174-182.

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