Foreword IX

Preface XI

Acknowledgements XIV

Section I

Inaugural papers

Life, O Life, from were have you come? Where are you not?
JOSEF SVOBODA 1

Oxygenic photosynthetic microorganisms in extreme environments
AHARON OREN & JOSEPH SECKBACH 13

Section II

Algae in environments with extreme temperatures
Introduced by WARWICK F. VINCENT & CLIVE HOWARD-WILLIAMS 33

Diatom assemblages in high mountain streams of the Alps and the Himalaya
MARCO CANTONATI; GIORGIA CORRADINI; INGRID JÜTTNER & EILEEN J. COX 37

Controlled environment platform used in temperature manipulation study
of a stream periphyton in the Ny-Ålesund, Svalbard

JOSEF ELSTER; JOSEF SVOBODA & HIROSHI KANDA 63

Thermal microorganisms from a hot spring on the coast of Lake Bogoria, Kenya
FRANTISEK HINDÁK 77

Algal assemblages in anoxic relictual oxbow lakes from the Lower
Paraná floodplain (Argentina)

IRINA IZAGUIRRE; RODRIGO SINISTRO; INÉS O'FARRELL; FERNANDO UNREIN &
GUILLERMO TELL 95

Phototrophic microvegetation of thermal springs in Karlovy Vary, Czech Republic
JAN KATOVSKY & JIRÍ KOMÁREK 107

Contribution to the taxonomy and ecology of green cryosestic algae in
the summer season 1995-96 at King George Island, S. Shetland Islands
ONDREJ KOMÁREK & JIRÍ KOMÁREK 121

Periphyton ecology of glacial and snowmelt streams, Ny-Ålesund, Svalbard:
presence of mineral particles in water and their erosive activity
KLÁRA KUBECKOVÁ; JOSEF ELSTER & HIROSHI KANDA 141

Glacial cryoconite ecosystems: A bipolar comparison of algal
communities and habitats
DEREK R. MUELLER; WARWICK F. VINCENT; WAYNE H. POLLARD &
CHRISTIAN H. FRITSEN 173

Community structure and microhabitat characteristics of cyanobacterial mats
in an extreme high Arctic environment: Ward Hunt Lake
VALÉRIE VILLENEUVE; WARWICK F. VINCENT & JIRÍ KOMÁREK 199


Section III

Algae in habitats with reduced and extreme radiation
Introduced by PATRIZIA ALBERTANO & MARIONA HERNÁNDEZ-MARINÉ 225

Characterisation of spectral emission by cyanobacterial biofilms
in the Roman Catacombs of Priscilla in Rome (Italy)
LAURA BRUNO; SILVIA PIERMARINI & PATRIZIA ALBERTANO 229

Phototrophic biofilm morphology in dim light. The case of the
Puigmoltó sinkhole
MARIONA HERNÁNDEZ-MARINÉ; MÓNICA ROLDÁN; ESTER CLAVERO; ANTONI CANALS
& XAVIER ARIÑO 237

Affinity of surface phytoplankton populations to high irradiance in
hypertrophic fish ponds: implications of the competition between
chlorococcal algae and cyanobacteria
JIRÍ MASOJÍDEK; LIBOR PECHAR; MICHAL KOBLÍZEK; LUBOS ADAMEC &
JOSEF KOMENDA 255

Tolerance of Antarctic cyanobacterial microbial mats to natural UV radiation
ANTONIO QUESADA; MARÍA SÁNCHEZ-CONTRERAS & EDUARDO FERNÁNDEZ-VALIENTE 275

Different strategies of aeroterrestrial algae in reacting to increased levels
of UV-B and ozone
WERNER REISSER & PEGGY HOUBEN 291

Section IV

Algae in soils
Introduced by JEFFREY R. JOHANSEN & L. ELLIOT SHUBERT 297

Preliminary results about contributions of soil Algae and
Cyanobacteria in microbial communities of Arctic soils - a microscopic
approach
MANFRED BÖLTER 307

Life strategies of Microcoleus vaginatus: a crust-forming cyanophyte
on desert soils
INKA DOR & AVINOAM DANIN 317

Microbiotic crusts of the Mojave Desert: factors influencing
distribution and abundance
JEFFREY R. JOHANSEN; CHRSTOPHER BRITTON; THEODORE C. ROSATI; LI
XUESONG; LARRY L. ST. CLAIR; BRUCE L. WEBB; ANESSA J. KENNEDY &
KRISTIN S. YANKO 341

Morphological and taxonomic study of three terrestrial
eustigmatophycean species
JIRÍ NEUSTUPA & YVONNE NEMCOVÁ 373

Diversity of soil Cyanophyta, CO2-gas exchange and acetylene reduction of the
soil crust in the cryogenic soils (East-European tundra)
ELENA PATOVA & MICHAIL SIVKOV 387

Morphological responses to varying environmental conditions in
lebsormidium flaccidum isolated from Moroccan desert soils

ALOISIE POULÍCKOVÁ; DARINA DRÍMALOVÁ; RADKO NOVOTNÝ; PAVLA VÁLOVÁ &
PAVEL HAVRÁNEK 397

Distribution and abundance of edaphic algae adapted to highly acidic,
metal rich soils
L. ELLIOT SHUBERT; ANA-MARIA RUSU; KATALIN BARTOK & CLIVE B. MONCRIEFF 411

Ancient viable phototrophs within the permafrost
TATIANA A. VISHNIVETSKAYA; LUDMILA G. EROKHINA; ELENA V. SPIRINA; ANASTASIA
V. SHATILOVICH; ELENA A. VOROBYOVA & DAVID A. GILICHINSKY 427

Section V

Algae and Cyanobacteria under desiccation and ionic stress
Introduced by WILLIAM J. HENLEY 443

Behaviour of diatoms apparently adapted to salinity. The case of
Climaconeis scopulorioides and Amphora aff. hyalina
ESTER CLAVERO; FERRAN GARCIA-PICHEL; JOAN O. GRIMALT & MARIONA
HERNÁNDEZ-MARINÉ 453

Green alga Prasiola crispa and its lichenized form Mastodia tesselata
in Antarctic environment: General aspects
LUBOMÍR KOVÁCIK & ANTONIO BATISTA PEREIRA 465

Influence of salinity on nitrogen metabolism of two geographically different
isolates of Anabaena
SATYA PRAKASH SHUKLA & AJAI KUMAR KASHYAP 479

Response of cyanobacteria strains to stress induced by heavy metal ions
LUDMILA N. VOLOSHKO; OLGA V. GAVRILOVA & MICHAEL B. MOUSTAKAS 487


Section VI

Physiological and molecular responses of algae to extreme conditions
Introduced by JIRÍ MASOJÍDEK 499

Cytochemistry of cyanobacterial exopolymers in biofilms from Roman hypogea
PATRIZIA ALBERTANO & SIMONA BELLEZZA 501

Sequences of the Internal Transcribed Spacer II (ITS II) from different
Galdieria species and strains
CLAUDIA CINIGLIA; SALVATORE COZZOLINO; ANTONINO POLLIO & GABRIELE PINTO 519

Physiological characterization of the acidophilic red alga Galdieria
sulphuraria isolated from a mining area
WOLFGANG GROSS & SABINE GROSS 523

Genetic diversity of thermo-acidophilic red algae according to random
amplified polymorphic DNA (RAPD) analysis
INGO HEILMANN & WOLFGANG GROSS 531

A new unit for crossed gradients of temperature and light
JANA KVÍDEROVÁ & JAROMÍR LUKAVSKÝ 541

Psychrophilic microalgae from north-west Spitsbergen, Svalbard: their
taxonomy, ecology and preliminary studies of their cold adaptation
using single cell electrorotation
THOMAS LEYA; TORSTEN MÜLLER; HAU U. LING & GÜNTER FUHR 551

The application of differential scanning calorimetry and ice nucleation
spectrometry to ecophysiological studies of algae
M. ROGER WORLAND & ALENA LUKESOVÁ 571

Effects of environmental factors on ultrastructure and growth of the green
alga Koliella antarctica
STEFANIA ZANETTI; NICOLETTA LA ROCCA; ISABELLA MORO; BENEDETTO SALVATO;
PAOLO DI MURO; NICOLETTA RASCIO & CARLO ANDREOLI 585

Index 593