Results 21 to 30 of about 6,189 (215)

Charophytes of Gornje Podunavlje ponds: Revitalization process aspect [PDF]

open access: yesZbornik Matice Srpske za Prirodne Nauke, 2019
Unique marshland area in the Danube floodplain - Special Nature Re­serve Gornje Podunavlje is considered to be one of the last aquatic flora and fauna refuges in the region.
Trbojević Ivana S.   +5 more
doaj   +1 more source

Species of Nitella (Streptophyta: Charales) from Murmansk Oblast (Russia)

open access: yesTurczaninowia, 2015
Seven new records of Nitella are published from Murmansk Oblast (Russia) following recent revision of specimens deposited in KPABG and IBIW. The new records relate to N. flexilis (L.) C. Agardh, N. opaca (Bruz.) C. Agardh, or Nitella sp. ster.
R. E. Romanov, I. V. Blinova
doaj   +1 more source

Consumption of submerged aquatic macrophytes by rudd (scardinius erythrophthalmus L.) in New Zealand [PDF]

open access: yes, 2002
In experiments in New Zealand, rudd (Scardinius erythrophthalmus L.) of 108–277mm fork length (FL) ate a wide range of native and introduced submerged aquatic macrophytes in captivity and in the field.
Dugdale, Tony M.   +3 more
core   +2 more sources

Oscillatory character of changes in ultraweak luminescence from Nitella cells

open access: yesActa Societatis Botanicorum Poloniae, 2014
Characteristics of changes in ultraweak luminescence of Nitella internodal cells under physiological conditions and after exposure to the action of biologically active substances are determined.
Anna Jaśkowska   +3 more
doaj   +1 more source

Environmental predictors of charophytes in a subtropical reservoir

open access: yesActa Limnologica Brasiliensia, 2020
: Aim In this study we check whether three simple environmental factors are good predictors of charophytes occurrence. Methods The Characeae material was sampled two times a year during the years of 2001, 2002 and 2003, over 235 sites distributed along
Thamis Meurer   +2 more
doaj   +1 more source

Different fates of the chloroplast tufA gene following its transfer to the nucleus in green algae [PDF]

open access: yes, 1990
Previous work suggested that the tufA gene, encoding protein synthesis elongation factor Tu, was transferred from the chloroplast to the nucleus within the green algal lineage giving rise to land plants.
Baldauf, S.L.   +2 more
core   +4 more sources

Former charophyte communities in l’Albufera de València revealed by a study of the sediment bank oospores

open access: yesAnales del Jardín Botánico de Madrid, 2009
Charophyte oospores and their features (size, shape, colour, outer wall ornamentation, etc.) are able to persist in seed banks of aquatic ecosystems.
María A. Rodrigo   +3 more
doaj   +1 more source

PACEMAKERS IN NITELLA [PDF]

open access: yesJournal of General Physiology, 1935
Many forms of irregular rhythm and of partial block occurring in the vertebrate heart can be duplicated in Nitella. In order to observe these phenomena the cells of Nitella are kept for 6 weeks or more in a nutrient solution. They are then exposed for 3 hours or less to 0.01 M NaCl, NaSCN, or guanidine chloride, which reduce the time ...
S. E. Hill, W. J. V. Osterhout
openaire   +2 more sources

Charophytes from the Iberian Peninsula

open access: yesAnales del Jardín Botánico de Madrid, 2007
A critical check-list of the Charophytes from the Iberian Peninsula, based on literature records and original data, is presented. It includes 46 taxa, including 26 species, 14 varieties and 6 forms, from 5 genera: Chara, Lamprothamnium, Nitella ...
Santos Cirujano   +3 more
doaj   +1 more source

Biomass generation and biodiesel production from macroalgae grown in the irrigation canal wastewater

open access: yesWater Science and Technology, 2021
The wastewater concentration is commonly acceptable for macroalgae growth; this process consumes water and is applicable for bioremediation. This study evaluated biodiesel's potential production from freshwater macroalga, Nitella sp., using batch ...
Kanda Whangchai   +4 more
doaj   +1 more source

Home - About - Disclaimer - Privacy