Results 111 to 120 of about 825 (153)

Adatok a szegedi Fehértó halastavainak mikrovegetációjához [PDF]

Hortobágyi, Tibor
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A hortobágyi halastavak algái és a vizsgált halastavak termelőképessége [PDF]

Hortobágyi, Tibor
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A terepgyakorlatok módszeréről [PDF]

Hortobágyi, Tibor, Juhász, Lajos
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Las desmidiaceas (Conjugatophyceae, Chlorophyta) en el lago Zirahuen : hidrobiologico de su presencia y abundancia

, 2005
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Zygospore germination and meiosis in Closterium ehrenbergii Meneghini (Conjugatophyceae)

Phycologia, 1983
Abstract The processes of zygospore germination and meiosis in Closterium ehrenbergii Meneghini are reported, utilizing several clones of the same mating group. The first sign of zygospore germination is the greening of the zygospore. Thereafter the germination vesicle is released through the ruptured zygospore wall into the surrounding medium; this ...
Fumie Kasai, Terunobu Ichimura
exaly   +2 more sources

Studies on the life cycle of Spinoclosterium cuspidatum (Bailey) Hirano (Conjugatophyceae)

Phycologia, 1985
Abstract Several interesting features in the life cycle of Spinoclosterium cuspidatum (Bailey) Hirano have been studied in culture, utilizing axenic clones (homothallic) in synthetic media. Just before mitosis, a conspicuous ring of pale pink granular mucilage is formed around the midregion of a vegetative cell.
Terunobu Ichimura, Fumie Kasai
exaly   +2 more sources

Simulation of morphogenesis and speciation in the unicellular alga Micrasterias (Chlorophyta, Conjugatophyceae)

Journal of Theoretical Biology, 1985
The theories of formal languages and reproducing automata combined with the knowledge about individual development of Micrasterias cells (Chlorophyta, Conjugatophyceae) provide a new approach to embryological problems. The morphogenesis and even speciation of Micrasterias can be simulated with simple methods and, furthermore, simulations of development
Pasi Pohja, Juhani Lehtonen
exaly   +2 more sources

Post-zygotic isolation between allopatric mating groups of Closterium ehrenbergii Meneghini (Conjugatophyceae)

Phycologia, 1984
Abstract Laboratory crosses between clones of three mating groups of Closterium ehrenbergii Meneghini were studied to ascertain the possibility of gene flow between these two pairs of closely related mating groups of allopatric occurrence. Since only an extremely low percent survival of F1 progenies was obtained along with the morphological abnormality
Terunobu Ichimura, Fumie Kasai
exaly   +2 more sources

On the flora of Zygnematales (Conjugatophyceae) of Israel

International Journal on Algae, 1999
G. M. Palamar-Mordvintseva, Solomon P. Wasser, Eviatar Nevo   +2 more
exaly   +2 more sources

A contribution to the desmid (Charophyta, Conjugatophyceae) flora of Newfoundland

Algological Studies (Stuttgart, Germany: 2007), 2018
Christopher F. Carter, David B. Williamson   +1 more
exaly   +2 more sources