نتایج جستجو برای: eukaryotic plankton community

تعداد نتایج: 402074  

Journal: :international journal of environmental research 2013
m.m. dorgham

plankton studies are one of the major items of the marine scientific activities in the ropme seaarea, whereas numerous investigations have been conducted on the plankton during the past century. forphytoplankton, species composition, abundance and biomass, primary production, harmful algal blooms, redtide, toxic species, and eutrophication were considered. zooplankton studies included species c...

2015
Charles Pepe-Ranney Edward K. Hall

The influence of resource availability on planktonic and biofilm microbial community membership is poorly understood. Heterotrophic bacteria derive some to all of their organic carbon (C) from photoautotrophs while simultaneously competing with photoautotrophs for inorganic nutrients such as phosphorus (P) or nitrogen (N). Therefore, C inputs have the potential to shift the competitive balance ...

2013
Karla B. Heidelberg William C. Nelson Johanna B. Holm Nadine Eisenkolb Karen Andrade Joanne B. Emerson

This study describes the community structure of the microbial eukaryotic community from hypersaline Lake Tyrrell, Australia, using near full length 18S rRNA sequences. Water samples were taken in both summer and winter over a 4-year period. The extent of eukaryotic diversity detected was low, with only 35 unique phylotypes using a 97% sequence similarity threshold. The water samples were domina...

2017
Susana Agusti Juan Martinez-Ayala Aurore Regaudie-de-Gioux Carlos M. Duarte

Increased oligotrophication is expected for oligotrophic areas as a consequence of ocean warming, which reduces diffusive vertical nutrient supply due to strengthened stratification. Evidence of ocean oligotrophication has been, thus far, reported for the open ocean. Here we reported oligotrophication and associated changes in plankton community metabolism with warming in a pristine, oligotroph...

Journal: :international journal of aquatic biology 0
bhushan kumar sharma department of zoology, north-eastern hill university shillong-793022, meghalaya, india. sumita sharma department of zoology, north-eastern hill university shillong-793022, meghalaya, india. mrinal kumar hatimuria department of zoology, north-eastern hill university shillong-793022, meghalaya, india.

our plankton and semi-plankton collections from twelve floodplain lakes (beels) of majuli river island, upper assam reveal 124 rotifer species (32 genera and 17 families); these merit biodiversity value as ~52.0% and ~30.0% of species, ~68.0 and ~45.0% of  genera and ~74.0 and ~65.0% of the families of the phylum known from northeast india (nei) and india, respectively. two species are new to i...

2007
Traian Brad

The heterogeneity in eukaryotic and bacteria community structure in surface and subsurface sediment samples downgradient of the Banisveld landfill (The Netherlands) was studied using a culturing-independent molecular approach. Along a transect covering the most polluted part of the aquifer, sediment was sampled at 1-m intervals, until a depth of 5.5 m, at four distances from the landfill. At tw...

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