Results 11 to 20 of about 130 (111)

Desmídias filamentosas (Conjugatophyceae) de um lago de inundação de águas pretas na Amazônia Central Filamentous desmids (Conjugatophyceae) from a floodpulse black water lake in Central Amazon

open access: yesActa Amazonica, 2010
Com base em 109 amostras coletadas em diferentes fases do ciclo hidrológico nos anos de 2002 a 2004 no lago Cutiuaú, um ambiente de águas pretas localizado no Parque Nacional do Jaú na bacia do rio Negro, foi realizado um levantamento taxonômico das espécies de desmídias filamentosas.
Souza, Karla Ferreira, Melo, Sérgio
openaire   +4 more sources

Induction of sexual reproduction and zygospore patterns in the filamentous green alga Spirogyra (Conjugatophyceae: Zygnematales)

open access: yesJournal of BioScience and Biotechnology, 2017
Morphotaxonomy, ecological preferences and biological characterization of algal taxa of order Zygnematales (Conjugatophyceae, Chlorophyta), mainly the freshwater species Spirogyra, Zygnema, and Mougeotia are still poorly understood and need further in-depth investigations.
El-Sheekh, Mostafa   +3 more
openaire   +3 more sources

Cohabitant charophyte algal flora and its ecology in high-mountain lakes of the Artabel Lakes Nature Park (Gümüşhane, Turkey) [PDF]

open access: yesBotanica Serbica, 2020
The composition of charophyte taxa and their habitat preferences in water bodies of the Artabel Lakes Nature Park were investigated on 15 August 2013 and 13 August 2016.
Bülent Şahin   +2 more
doaj   +1 more source

A dune pond and the first records of Desmidiaceae (Zygnematophyceae) in Sergipe, Brazil

open access: yesRevista de Biologia Neotropical, 2020
Desmidiaceae (Zygnematophyceae) is represented in Brazil by 27 genera and about 485 species. Studies which complement taxonomic information and geographic distribution of desmids have advanced in the country; however, six states, including Sergipe, have ...
Eduardo Burle   +3 more
doaj   +1 more source

PHYTOPLANKTON SPECIES COMPOSITION AND BIODIVERSITY INDICES IN AUDA MARSH- SOUTHERN IRAQ

open access: yesThe Iraqi Journal of Agricultural science, 2020
This study was aimed to investigate the trophic status of the marshes by phytoplankton diversity. The Phytoplankton community and four biodiversity indices were studied in Auda marsh southern Iraq in the period between January 2018 to January 2019.
Albueajee & et al.
doaj   +1 more source

CARACTERISTICA TAXONOMICĂ A CLOROFITELOR RÂULUI ICHEL DIN PREAJMA MUNICIPIULUI CHIŞINĂU

open access: yesActa et Commentationes: Ştiinţe Exacte şi ale Naturii, 2019
În rezultatul investigaţiilor efectuate asupra comunităţilor de alge perifitonice din cursul inferior al râului Ichel au fost evidenţiate 58 de specii şi varietăţi de clorofite, care aparţin la 33 de genuri, 16 familii, 6 ordine şi 4 clase.
Boris NEDBALIUC   +4 more
doaj   +1 more source

Phytoplankton functional groups as environmental indicators at a high neotropical mountain reservoir in Colombia

open access: yesRevista de la Academia Colombiana de Ciencias Exactas, Físicas y Naturales, 2021
Phytoplankton is a fundamental productive component of lentic ecosystems, which also directly reflects environmental variability. This study evaluated the dynamics of phytoplankton in response to the monthly variability of physicochemical properties of ...
Cristian Hakspiel-Segura   +2 more
doaj   +1 more source

On changes in the nomenclature of some taxa of Zygnemaceae

open access: yesActa Societatis Botanicorum Poloniae, 2014
The names of three species have been changed in the Zygnemaceae family because of their incompatibility with the principles of classification of the International Code of Botanical Nomenclature. The names and ranks of 18 taxa were also changed since they
Joanna Z. Kadłubowska
doaj   +1 more source

Comparative Study on Phytoplankton Community in Two Newly Dug Ponds in Institut Teknologi Sumatera

open access: yesJurnal Biodjati, 2020
Phytoplankton community plays an important ecological role in the aquatic ecosystems as the primary producers and forms the fundament of the aquatic food chain for supporting the water community.
Hendry Wijayanti, Andy Darmawan
doaj   +1 more source

Ecosystems of artificial saline lakes. A case of Lake Magic in Wadi El-Rayan depression (Egypt)

open access: yesKnowledge and Management of Aquatic Ecosystems, 2020
The Wadi El-Rayan is a depression in the Fayoum oasis collecting agricultural drainage water from the Fayoum. Since 1973, this drainage water formed two man-made lakes. Twenty years ago, a third lake, called Lake Magic was formed. Since this newly formed
Anufriieva Elena V.   +6 more
doaj   +1 more source

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