Results 51 to 60 of about 18,028 (213)

The Trophic status of Bidighinzu Reservoir (Sardinia) before and after the diversion of waste waters [PDF]

open access: yes, 2001
The purpose of this paper was to assess the effect of the diversion of wastewater on the trophic status of Lake Bidighinzu, a hypertrophic man-made lake in Northern Sardinia, used as a drinking water reservoir.
Aktan, Yelda   +3 more
core  

Physico-chemical and phytoplanktonic characteristics of river Tons at Dehradun (Uttarakhand), India [PDF]

open access: yes, 2013
The physico-chemical and phytoplankton characteristics of the Tons River were analyzed during August 2011-July 2012. The samples were collected from Garhi Cant (Site 1) and Tapkeshwar temple (Site 2) at Dehradun.
Ishaq, Fouzia, Khan, Amir, Khanna, D.R.
core   +2 more sources

Unveiling Protist Composition and Diversity Patterns With eDNA Metabarcoding: Comparing Short‐ and Long‐Read Approaches

open access: yesEcology and Evolution, Volume 16, Issue 3, March 2026.
Environmental DNA (eDNA) metabarcoding is widely used for biodiversity monitoring, but short‐read sequencing limits detailed taxonomic identification, especially for protists. In a comparison of short‐ and long‐read approaches in the Belgian North Sea, long‐read metabarcoding provided deeper taxonomic assignment under the applied workflows and improved
Dimitra‐Ioli Skouroliakou   +5 more
wiley   +1 more source

Flora algal de la cuenca del río Guadalquivir: Su valor en la determinación de la ecorregionalización de la cuenca [PDF]

open access: yes, 2018
In compliance with the Water Framework Directive of the European Union, we needed to diagnose the ecologic quality of the different sections of the rivers of the Guadalquivir basin. In order to establish a regional classification of the water bodies by a
Casco, Maria Adela   +5 more
core   +2 more sources

Lista de microalgas epilíticas de la parte alta y media del río Gaira, Sierra Nevada de Santa Marta

open access: yesIntropica, 2015
El fitoplancton es uno de los principales productores primarios en los sistemas acuáticos; sin embargo, en los ríos, gran parte de la comunidad de microalgas se encuentran adheridas a las rocas, lo que ayuda a conformar el perifiton.
Angélica Cabarcas-Mier   +1 more
doaj  

Net phytoplankton and zooplankton in the New York Bight, January 1976 to February 1978, with comments on the effects of wind, Gulf Stream eddies, and slope water intrusions [PDF]

open access: yes, 1984
Results are given of monthly net phytoplankton and zooplankton sampling from a 10 m depth in shelf, slope, and Gulf Stream eddy water along a transect running southeastward from Ambrose Light, New York, in 1976, 1977, and early 1978.
Jossi, Jack W., Smith, Daniel E.
core  

A Comparative Analysis of DNA Metabarcoding and Morphological Identification in Diatoms Reveals Similar Patterns of Environmental Response

open access: yesEcology and Evolution, Volume 16, Issue 2, February 2026.
This study compares the use of two universal molecular markers (COI and 18S rRNA) with morphological identification to evaluate patterns in diatom communities from high mountain mires. The results revealed a strong correspondence in beta diversity and environmental response across beta and alpha diversity. However, these molecular markers were found to
Fernanda Gonzalez‐Saldias   +5 more
wiley   +1 more source

Biosynthesis of Selenium Nanoparticles Supported on and within Diatomite through a Continuous Flow Method

open access: yesProceedings, 2020
Diatomite, also known as diatomaceous earth (DE), is a sedimentary rock formed by the deposition of shells of unicellular microscopic algae of the class Bacillariophyceae (diatoms). [...]
Luminița Dimitriu   +4 more
doaj   +1 more source

Epiphytic diatoms of the Tisza River, Kisköre reservoir and some oxbows of the Tisza River after the cyanide and heavy metal pollution in 2000 [PDF]

open access: yes, 2005
The Tisza River is a large tributary of the Danube River. The largest reservoir of the river is the Kisköre reservoir, and there are furthermore a great number of oxbows in the vicinity of the river.
Kiss, Keve Tihamér   +3 more
core   +1 more source

Diatom and microarthropod communities of three airfields in Estonia – Their differences and similarities and possible linkages to airfield properties [PDF]

open access: yes, 2018
Even though airfields, which are often anthropologically modified natural areas, are continuously influenced by human activities, their soils are still dynamic ecosystems containing various habitats for microscopic groups of organisms which are
Koff, Tiiu   +6 more
core   +2 more sources

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