Results 81 to 90 of about 1,522 (158)

Dynamics in submersed Charophyta vegetation in three Swedish lakes

open access: yes, 2011
The vegetation dynamics of submersed Charophyta vegetation were studied in three shallow lakes, located around 25 km southeast of Gävle, close to theBaltic Sea. The samples were taken with a plastic tube used as a homemade sediment core sampler.
Thureborn, Olle
core   +3 more sources

Registro y paleoecología de oogonios de Charophyta del yacimiento Vadillos-1 del Cretácico inferior (Cuenca)

open access: yes, 2018
El yacimiento de Vadillos-1 ha sido objeto de estudios paleontológicos desde su reciente descubrimiento, al presentar una amplia diversidad de macro y microrrestos fósiles del Cretácico.
Cervilla Muros, Miguel Ángel
core   +1 more source

Some notes on Charophyta collected in the Netherlands West Indies, North Venezuela and Columbia

open access: yes, 1942
As far as I know, only three papers are dealing with Charophyta of the Netherlands West Indies. In 1858, in “Monatsbericht der königlichen Akademie der Wissenschaften, Berlin”, BRAUN records two species from Paramaribo, viz. Nitella microcarpa A. BR. and
Zaneveld, J.S.
core  

Distribution, ecology and coenotic value of Chara tomentosa L. (Charophyta) in the West Siberian Plain

open access: yes, 2020
Обобщены сведения о распространении, экологии и ценотической роли Chara tomentosa (Charophyta) на Западно-Сибирской равнине. Всего на этой территории известно 15 местонахождений вида, расположенных в водных объектах степной и лесостепной зон. Вид обитает
Sviridenko, T. V.   +3 more
core  

Leonardosia Langei Sommer (charophyta, Porocharaceae) From Corumbataí Formation (guadalupian), Piracicaba, Sp, Brazil: First Record Of An Antheridium And Of Corticated Thalli

open access: yes, 2015
Fossilized portions of a charophyte found in close association with disperse gyrogonites identified as Leonardosia langei Sommer are described. One sample has an antheridium apparently connected to a thallus clearly corticated.
Ricardi-Branco F., Faria R.S.
core  

Tersakan Çayı (Samsun-Amasya, Türkiye) Epilitik Alglerinin Bazı Fizikokimyasal Değişkenlerle İlişkisi

open access: yesKaradeniz Fen Bilimleri Dergisi, 2016
Bu çalışmada, Tersakan Çayı epilitik alglerinin mevsimsel değişimi, Ladik Gölü çıkışında seçilen bir istasyondan Haziran 2007-Mayıs 2008 tarihleri arasında aylık periyotlarda alınan taş örneklerinde incelenmiştir.
Faruk MARAŞLIOĞLU   +2 more
doaj  

Colectores de algas de México (1787-1954)

open access: yesActa Botanica Mexicana, 2008
Se presenta información biográfica y bibliográfica de los colectores de algas de México durante el período de 1787-1954. Los datos fueron obtenidos mediante la consulta de herbarios nacionales y extranjeros, la comunicación directa con los curadores de
Jos\u00E9 Luis God\u00EDnez Ortega
doaj  

ANCIENT COASTAL ENVIRONMENTS IN A MAASTRICHTIAN - ?PALEOCENE ATLANTIC SHORELINE: A PHYTOPLANKTON APPROACH

open access: yesPublicación Electrónica de la Asociación Paleontológica Argentina, 2016
. In this contribution we describe planktonic assemblages, comprising their taxonomic composition and palaeoecological attributes, from the La Colonia Formation, Patagonia, Argentina. The palynological samples are from the section exposed at Estancia San
C. Marcela Borel   +3 more
doaj  

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