نتایج جستجو برای: rotifer distribution

تعداد نتایج: 609210  

Journal: :iranian journal of science and technology (sciences) 2009
s. saler

with the aim of identifying the rotifera fauna of kepektas dam lake, samples were collectedmonthly between january-december 2005. in total 11 rotifer species were identified. as a species-wisepercentage, kellicttia longispina had the highest level with 57%. when the annual abundance of species wastaken into consideration polyarthra vulgaris, colurella uncinata, asplanchna priodonta and keratell...

Journal: :progress in biological sciences 2012
azar kordbacheh hassan rahimian

despite rapid growth of our knowledge on the phylum rotifera, only few studies on iranian rotifers have been carried out. in this paper, we present a checklist of rotifers from the province of tehran in iran. in total, 45 species of rotifers (class eurotatoria) are reported. most of the recorded species are cosmopolitan in distribution. cephalodella ventripes, dicranophorus forcipatus, d. luetk...

Journal: :Brazilian journal of biology = Revista brasleira de biologia 2010
A M A Medeiros J E L Barbosa P R Medeiros R M Rocha L F Silva

The present study aimed at evaluating differences in rotifer distribution in three estuarine zones in an inverse estuary located in the Semiarid Region of Brazil. Zones were chosen based on their proximity to the ocean and river border as a means of reflecting a horizontal salinity gradient. High freshwater discharge during the rainy season was the major determinant of rotifer composition. On t...

Azar Kordbacheh Hassan Rahimian

Despite rapid growth of our knowledge on the phylum Rotifera, only few studies on Iranian rotifers have been carried out. In this paper, we present a checklist of rotifers from the province of Tehran in Iran. In total, 45 species of rotifers (class Eurotatoria) are reported. Most of the recorded species are cosmopolitan in distribution. Cephalodella ventripes, Dicranophorus forcipatus, D. luetk...

2017
Jianghua Yang Xiaowei Zhang Wanwan Zhang Jingying Sun Yuwei Xie Yimin Zhang G Allen Burton Hongxia Yu

Incompleteness and inaccuracy of DNA barcode databases is considered an important hindrance to the use of metabarcoding in biodiversity analysis of zooplankton at the species-level. Species barcoding by Sanger sequencing is inefficient for organisms with small body sizes, such as zooplankton. Here mitochondrial cytochrome c oxidase I (COI) fragment barcodes from 910 freshwater zooplankton speci...

2016
Alfred Burian Michael Schagerl Andrew Yasindi Gabriel Singer Mary Nakabungo Kaggwa Monika Winder

Zooplankton blooms are a frequent phenomenon in tropical systems. However, drivers of bloom formation and the contribution of emerging resting eggs are largely unexplored. We investigated the dynamics and the triggers of rotifer blooms in African soda-lakes and assessed their impact on other trophic levels. A meta-analysis of rotifer peak densities including abundances of up to 6 × 105 individu...

Journal: :The Journal of experimental biology 2012
Rashmi Tripathi Chiara Boschetti Brian McGee Alan Tunnacliffe

The bdelloid rotifer Adineta ricciae is an asexual microinvertebrate that can survive desiccation by entering an ametabolic state known as anhydrobiosis. Two late embryogenesis abundant (LEA) proteins, ArLEA1A and ArLEA1B, have been hypothesized to contribute to desiccation tolerance in these organisms, since in vitro assays suggest that ArLEA1A and ArLEA1B stabilize desiccation-sensitive prote...

2015
Vishnupriya Pradeep Steven W. Van Ginkel Sichoon Park Thomas Igou Christine Yi Hao Fu Rachel Johnston Terry Snell Yongsheng Chen Christopher Q. Lan

A single Brachionus rotifer can consume thousands of algae cells per hour causing an algae pond to crash within days of infection. Thus, there is a great need to reduce rotifers in order for algal biofuel production to become reality. Copper can selectively inhibit rotifers in algae ponds, thereby protecting the algae crop. Differential toxicity tests were conducted to compare the copper sensit...

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...

Journal: :Saline Systems 2006
SSS Sarma

The XI International Rotifer Symposium was held during 11-18 March, 2006 at the National Autonomous University of Mexico Campus Iztacala located at the North Mexico City (Mexico). These triennial international meetings, first organized in Austria by Late Ruttner-Kolisko in September 1976, are gradually becoming the focal point of discussion and collaboration from rotifer workers across the worl...

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