Results 81 to 90 of about 3,457 (217)

Recent limnological changes in a saline lake of the Bolivian altiplano, lake Poopo [PDF]

open access: yes, 1993
During the past twelve years, lake Poopo, located on the Bolivian altiplano, has had two main types of morphometry. Before 1985, its level was low and the depth shallow (maximum 3 m); there was no outlet and a strong salinity gradient existed from North ...
Iltis, André
core   +1 more source

O gênero Chara (Charophyceae, Characeae) das Regiões Metropolitanas de Salvador e de Feira de Santana, Bahia, Brasil

open access: yesRodriguésia
Resumo O levantamento florístico do gênero Chara (Charophyceae, Characeae) nas Regiões Metropolitanas de Salvador e de Feira de Santana, foi realizado em 30 estações de coleta abrangendo seis municípios da RMS e seis da RMFS.
Camila dos Anjos Ribeiro   +4 more
doaj   +1 more source

Long-term changes of macrophytobenthos of «Sudzhuk Lagoon» Natural Monument (Black Sea)

open access: yesNature Conservation Research: Заповедная наука, 2018
The Sudzhuk Lagoon, including Sudzhuk Spit and the adjacent territory, is a unique natural complex of the northeastern part of the Black Sea, that has been studied throughout the last century.
Natalya S. Berezenko   +1 more
doaj   +1 more source

ЛІТНІЙ ФІТОПЛАНКТОН ДНІСТРОВСЬКОГО ЛИМАНУ (2013 р.) [PDF]

open access: yes, 2014
Ділянки води з максимальною кількістю фітопланктону, сира біомаса якого сягала 20-80 г•м–3, розташовувалися поблизу населених пунктів і традиційних районів рекреації (м. Білгород-Дністровський, Овідіопіль, с. Затока, с. Роксолани).
Гаркуша, Д. В.   +1 more
core  

The Imam case. Additional investigation of a micropaleontological fraud

open access: yesCarnets de Géologie, 2009
Starting in 1996 and for almost a decade, M.M. Imam contributed to twelve papers published in international geological journals. These papers dealt with the micropaleontology and biostratigraphy of Cretaceous to Miocene series from Egypt and Libya.
Granier Bruno   +4 more
doaj  

Revision of the Maastrichtian-Palaeocene charophyte biostratigraphy of the Fontllonga reference section (southern Pyrenees, Catalonia, Spain)

open access: yesGeologica Acta, 2016
The Fontllonga section is one of the best-known stratigraphic sections wordwide for the study of charophyte biostratigraphy of the Maastrichtian and lower Palaeocene.
A. VICENTE   +3 more
doaj  

Potencial ficorremediador de algas altoandinas Mougeotia sp. y Spirogyra sp. (Charophyta)

open access: yesLilloa
En el siglo XVIII, durante el virreinato del Perú, la mina Cerro de Pasco inició la explotación de plata y plomo, actividad que persiste hasta la actualidad y que continúa contaminando con metales pesados el suelo y las aguas de la cuenca del río San ...
Enoc Jara Peña   +6 more
doaj   +1 more source

The Characeae of Indiana [PDF]

open access: yes, 1953
This is the third in a proposed series of papers intended to organize the material pertaining to the occurrence and distribution of the Characeae of Indiana and to present a taxonomic treatment of the ...
Daily, Fay Kenover
core   +1 more source

Seta Structure In Members Of The Coleochaetales (streptophyta) [PDF]

open access: yes, 2015
The charophycean green algae, which include the Coleochaetales, together with land plants form a monophyletic group, the streptophytes. The order Coleochaetales, a possible sister taxon to land plants, is defined by its distinguishing setae (hairs ...
Rockwell, Timothy Richard
core   +1 more source

Notes florístiques: [PDF]

open access: yes
not ...
Martínez-Taberner, Antoni   +1 more
core  

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