Results 61 to 70 of about 2,956 (218)

Palinología e importancia paleoambiental de la Formación Tunal (Daniano) en su localidad tipo, Quebrada el Chorro (Salta, Argentina). [PDF]

open access: yes, 2006
The palynologic investigation of samples from the Tunal Formation at El Chorro creek (Salta, Argentina) resulted in the recovery of terrestrial assemblages of pollen and spores associated with freshwater algae (Pediastrum spp. and Scenedesmus sp.).
Marquillas, Rosa Argentina   +3 more
core  

Impacts of microalgae pre-treatments for improved anaerobic digestion: Thermal treatment, thermal hydrolysis, ultrasound and enzymatic hydrolysis [PDF]

open access: yes, 2014
Anaerobic digestion (AD) of microalgae is primarily inhibited by the chemical composition of their cell walls containing biopolymers able to resist bacterial degradation.
Jefferson, Bruce   +5 more
core   +2 more sources

Rare Pediastrum species (Chlorophyceae) from Polish coastal lakes

open access: yesActa Societatis Botanicorum Poloniae, 2011
An account is given of the occurrence of Pediastrum (Chlorophyceae, Sphaeropleales) in five eutrophic coastal lakes (Jamno, Bukowo, Gardno, Łebsko and Sarbsko) in northern Poland, together with morphological data of the species and more detailed ...
Joanna Kowalska, Konrad Wołowski
doaj   +1 more source

Táplálék és a trofitás kapcsolata sekélyvízi ökoszisztémában = Relationship between food web and trophic conditions in a shallow freshwater ecosystem [PDF]

open access: yes, 2009
2005-2008. között a tápláléklánc szerkezetének vizsgálatával és monitoring adatokkal a trofikus állapot változást a Kis-Balaton Tározó (KBT) egyik sekély, a halmanipulációt megelőzően hipertróf, 10 ha-os taván. A halmanipulációra 2000-2001.
Korponai, János   +3 more
core  

Phytoplankton from Las Tablas de Daimiel National Park. III. Diatoms and chlorophytes

open access: yesAnales del Jardín Botánico de Madrid, 2000
Las Tablas de Daimiel National Park is an important semi-arid wetland, biodiversity reserve, that is experiencing an accelerated eutrophication process and dramatic hydrological changes in recent years.
Elizabeth Ortega-Mayagoitia, Carmen Rojo
doaj   +1 more source

Scenedesmaceae (Chlorophyceae – Chlorococcales) de um lago artificial urbano: Desmodesmus e Scenedesmus - DOI: 10.4025/actascibiolsci.v29i3.483

open access: yesActa Scientiarum: Biological Sciences, 2007
Trata-se do inventário florístico de Scenedesmaceae no Lago Municipal de Cascavel (24°82’S, 53º28´W), Paraná, Brasil. As amostras foram coletadas na região litorânea, no período de janeiro de 2002 a outubro de 2003.
Carina Moresco, Norma Catarina Bueno
doaj   +1 more source

Planktonic Chlorophyceae from the lower Ebro River (Spain) [PDF]

open access: yes, 2002
On samples obtained in 4 seasonal periods between April 1999 and February 2000 from the last 18 km of Ebro River (Spain) some interesting planktonic coccal green algae (Chlorophyceae) were found. This paper offers comments and taxonomical observations on
A. Comas   +3 more
core  

A Contribution to the Seasonal Distribution and Biodiversity of Fresh Water Phytoplankton of Karagam Lake, Srikakulam, Andhra Pradesh, India

open access: yesInternational Journal of Environment, 2015
 In the present study, Seasonality and Species diversity of Phytoplankton studies were made on the Karagam Lake of Srikakulam District, Andhra Pradesh from November 2006 to October 2008.
N. Jyotsna   +2 more
doaj   +1 more source

Enhancement of microalgae anaerobic digestion by thermo-alkaline pretreatment with lime (CaO) [PDF]

open access: yes, 2017
The aim of this study was to evaluate for the first time the effect of a thermo-alkaline pretreatment with lime (CaO) on microalgae anaerobic digestion. The pretreatment was carried out by adding different CaO doses (4 and 10%) at different temperatures (
Carrère, H.   +3 more
core   +4 more sources

Chlorococcales (Chlorophyceae) de um tributário do reservatório de Itaipu, Paraná, Brasil

open access: yesHoehnea
O trabalho objetivou o conhecimento taxonômico da ordem Chlorococcales (Chlorophyceae) do Rio São Francisco Falso, um dos tributários do reservatório de Itaipu, Paraná, Brasil.
Stefania Biolo   +2 more
doaj   +1 more source

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