Bosmina longirostris is a small-bodied, filter-feeding cladoceran. The species widely distributed throughout the world in temperate and tropical climates, where it persists all kinds of freshwater bodies regardless their trophy, acidification, or salinity. Its wide distribution causes B. to be one most taxonomically recognizable Cladocera over world, despite fact that well-known example taxon with confused taxonomy. Although often displays high abundances world's freshwaters sporadic studies...

Niche separation of 22 species benthic Chydoridae was examined in a depth gradient the littoral zone deep Lake Piaseczno (eastern Poland), by using trap sampler. Individual showed high segregation across according to depth, macrophyte biomass, total organic carbon (TOC), conductivity and pH, which turned out be most important. The Acroperus harpae, Alona affinis, Alonella nana, Leydigia acanthocercoides, Pseudochydorus globosus, Pleuroxus trigonellus aduncus were found whole zone, but...

Environmental changes are important factors related to shifts in species compositions and abundances of aquatic communities. This study presents the responses cladoceran communities realistic scenarios an increase temperature phosphorus concentration. was conducted under laboratory conditions, outcomes this explain causes seasonal both abundance composition allow us predict their climatic ecosystems. The results showed that more trigger than increase. Moreover, simultaneous influence...

Abstract There are hardly any data concerning the vertical micro−distribution of protozoa in water column cryoconite holes on glacier surface. Such comparisons can provide in− sights into ecology protozoa. The present research wasmade Ecology Glacier (South Shetland Islands, Antarctic); microzonation ciliates relation to physical and chemical parameters was studied. density biomass protozoans significantly differed between studied stations (cryoconite holes), with lowest num− bers surface...

AME Aquatic Microbial Ecology Contact the journal Facebook Twitter RSS Mailing List Subscribe to our mailing list via Mailchimp HomeLatest VolumeAbout JournalEditorsSpecials 74:121-141 (2015) - DOI: https://doi.org/10.3354/ame01727 Eutrophication of peatbogs: consequences P and N enrichment for microbial metazoan communities in mesocosm experiments Tomasz Mieczan*, Małgorzata Adamczuk, Barbara Pawlik-Skowrońska, Magdalena Toporowska Department Hydrobiology, University Life Sciences,...

The consequences of raising temperatures have been intensively studied by biologists and ecologists for the past few decades. However, current climatic changes also include many anomalous weather events, such as intra-seasonal heatwaves followed immediate decreases in temperature. In this study, responses population development life history traits to different thermal regimes were investigated. freshwater water flea Daphnia magna (Cladocera, Crustacea) was used a model organism. populations...

Microbial communities living in mosses are known to constitute early indicators of ecosystem disturbances, but little is about their response environmental factors the Antarctic area. This paper presents first major study on testate amoebae from different species occurring King George Island (Antarctica). The objective was investigate structure and spatial distribution moss-dwelling identify determining assemblages. Additionally, we compared with other isolated islands Antarctic. Samples...

Species composition and quantitative structure of small-sized Cladocera community their algal diet before, during after cyanobacterial blooms were studied in highly eutrophic lake. The objective the study was to investigate, how mass development toxin-producing cyanobacteria affect abundances preferences within consumed cells. Cyanobacterial predominantly constituted by microcystin-producing genera Planktothrix , Dolichospermum Microcystis . concentration intracellular microcystins lake...

Ibuprofen is a nonsteroidal anti-inflammatory drug that can be found in freshwater ecosystems. Due to its current presence aquatic ecosystems, this pharmaceutical has aroused concerns about impact on biota. As result, ibuprofen the one of most frequently studied pharmaceuticals. However, these studies focus short-term observations biomarkers and physiological endpoints. This paper presents outcomes whole-life-cycle six-month population dynamics Daphnia magna reared under influence 1 μg/L, 2...

Stable isotope analysis has become a powerful tool for the study of food web structures in aquatic communities. However, there been little recognition spatial and temporal variabilities isotopes webs peatbogs. Here, we investigated structure peatbog dominated by Sphagnum mosses analyzing: (i) density biomass different components webs; (ii) digestive vacuole contents Hyalosphenia papilio—the most abundant species amoebae occurring peatbog; (iii) seasonal changes carbon nitrogen stable...

Environmental factors have a varied impact on the development of juvenile and adult Cladocera, depending their different physiological conditions body size. The values these alter spatially temporarily, thus implying that they play role in spatial distribution pre-reproductive potentially reproductive stages cladocerans. aim study was to determine seasonal variations individuals limnetic Cladocera relation selected physicochemical (temperature, conductivity, pH, concentration dissolved...

The role of environmental factors in aquatic ecosystems results from basic lake characteristics, human disturbances (‘cultural eutrophication’) and climate-related trends the physical chemical components lakes. Although influence on abundance animals is fairly well documented, less has been done to research their food web interactions. aim study was evaluate microbial classical webs lakes, with special emphasis placed as influencing strengths. Variation partitioning, based redundancy...

<p>Complex interactions between zooplankton and microbial food webs are vital to the ecosystem ecology of shallow lakes. However, little is known about how horizontal changes in environmental conditions may influence metazoan communities The specific goals study were i) describe variables responsible for distribution bacteria, flagellates, ciliates crustaceans an adjacent canal, ecotone reservoir (littoral-pelagic zone) two different types lakes...

Littoral zones of lakes are settled by typical littoral animals, but they also explored mobile vertebrate and invertebrate predators. The relative importance habitat complexity on the availability littoral–benthic species Cladocera, including Alonella exigua, A. excisa nana (Chydoridae), to planktonic predators (Leptodora cyclopoid copepods) was investigated in a series laboratory experiments under natural conditions (Lake Piaseczno, eastern Poland). showed that influenced density...

Anthropogenic and natural climate-impacted water level (WL) fluctuations are one of many environmental problems affecting ecosystems. The aim this study was to explain differences in the development autotrophic heterotrophic plankton two shallow, temperate, embanked lakes with different modes WL regulation. Lake Mytycze has changes supplied exclusively by precipitation; a decrease predominantly due more evaporation than precipitation. In lake, nutrient concentration, particulate matter,...

Predation follows competition in depth selection behaviour of Cladocera a deep lake (E Poland) Observations the vertical distribution pelagic zone Lake Piaseczno (38.8 m) focused on 6 species: Diaphanosoma brachyurum, Daphnia longispina, D. cucullata, Bosmina coregoni, B. longirostris , and Chydorus sphaericus. The animals displayed clear preferences, their migration patterns were limited to small amplitudes. results show that habitat segregation cladocerans consists mostly mechanism for...

Disturbances in the functioning of peatlands, due to growing human impact, climate change and appearance alien invasive species, are becoming increasingly common. Analysis trophic relationships predator (invasive species)–prey system is extremely important for understanding peat pools—small water bodies formed peatlands by extraction. These issues are, as yet, very little understood. The aim this study was examine impact Ameiurus nebulosus, an fish species dominant these pools, on microbial...