Table Of Content

European Journal of Phycology Formerly British Phycological Journal Index and Contents of Volume 34 February—November 1999 Cambridge University Press The Edinburgh Building, Cambridge CB2 2RU, United Kingdom 40 West 20th Street, New York, NY 10011-4211, USA 10 Stamford Road, Oakleigh, Melbourne, 3166, Australia © 1999 British Phycological Society EUROPEAN JOURNAL OF PHYCOLOGY CONTENTS AND INDEX TO VOLUME3 4 The Council of the British Phycological Society wish it to be understood that they do not accept responsibility for the accuracy of statements published in the Journal, excepting when those statements are contained in an official report of the Council. Number 1, pp. 1-96, 24 March 1999 Number 2, pp. 97-192, 27 May 1999 Number 3, pp. 193-318, 27 September 1999 Number 4, pp. 319-426, 25 October 1999 Number 5, pp. 427-539, 15 December 1999 AGUILERA A. see GONZALEZ-GIL, LOPEZ-RODAS and COSTAS E. see GONZALEZ-GIL, AGUILERA and LOPEZ COSTAS RODAS ANDERSON R.J. see GRIFFIN & BOLTON COX E.J. Craspedostauros gen. nov., a new diatom genus for some ANDRIA J.R., VERGARA J.J. & PEREZ-LLORENS J.L. Biochemical unusual marine raphid species previously placed in Stauroneis responses and photosynthetic performance of Gracilaria sp Ehrenberg and Stauronella Mereschkowsky Rhodophyta) from Cadiz, Spain, cultured under different inorganic CROMAR NJ. see FALLOWFIELD & MARTIN carbon and nitrogen levels CRUTCHFIELD A.L.M., DILLER K.R. & BRAND JJ ANGELER D.G. see SCHAGERL and COLEMAN Cryopreservation of Chlamydomonas reinhardtii (Chlorophyta ARP G., REIMER A. & REITNER J. Calcification in cyanobacterial DE REVIERS B. see ROUSSEAL biofilms of alkaline salt lakes DESLANDES E. see FOURNET, ZINOUN, DIOURIS and FLOC’H ATHANASIADIS A. Mesophyllum macedonis, nov. sp. (Rhodophyta DESLANDES E. see GOULARD, DIOURIS and FLOC’H Corallinales), a putative Tethyan relic in the North Aegean Sea DE WINDER B. see STAATS, STAL and MUR AXELSSON L. see LARSSON DILLER K.R. see CRUTCHFIELD and BRAND BEATTIE K.A. see CODD, BELL, KAYA, WARD and METCALF DIOURIS M. see FOURNET, ZINOUN, DESLANDES and FLOC’H BEELEN T.P.M. see VRIELING, POORT and GIESKES DIOURIS M. see GOULARD, DESLANDES and FLOC’H BELL S.G. see CODD, KAYA, WARD, BEATTIE and METCALI DODGE J.D. see BERUBE and FORD BENGTSSON R. see MOLLENHAUER and LINDSTROM DRAISMA S.G.A. see MALTA and KAMERMANS BERKALOFF C. see HARKER, LEMOINE, BRITTON, YOUNG DUVAL J.-C. see HARKER, BERKALOFF, LEMOINE, BRITTON YOUNG, RMIKI and ROUSSEAL DUVAL, RMIKI and ROUSSEAL EDWARDS H.G.M. see WYNN-WILLIAMS and GARCIA-PICHEL BERUBE K.A., DODGE J.D. & FORD T.W. Effects of chronic salt EHLING-SCHULZ M. & SCHERER S. UV protection in stress on the ultrastructure of Dunaliella bioculata (Chlorophyta cyanobacteria Volvocales): mechanisms of response and recovery FALLOWFIELD H.J., MARTIN NJ. & CROMAR NJ. Performance BIGAZZI M. see BODDI and SARTONI of a batch-fed High Rate Algal Pond for animal waste treatment BODDI S., BIGAZZI M. & SARTONI G. Ultrastructure of FLOCH J.Y. see FOURNET, ZINOUN, DESLANDES and vegetative and motile cells, and zoosporogenesis in Chrysonephos DIOURIS lewisii (Taylor) Taylor (Sarcinochrysidales, Pelagophyceae) in FLOCH J.-Y. see GOULARD, DIOURIS and DESLANDES relation to taxonomy FORD T.W. see BERUBE & DODGE BOLTON J.J. see GRIFFIN and ANDERSON FOURNET L, ZINOUN M., DESLANDES E., DIOURIS M. & BOND P.R., BROWN M.T., MOATE R.M FLOCH J.Y. Floridean starch and carrageenan contents as responses S.J. & NIMMO M. Arrested development in | of the red alga Solieria chordalis to culture conditions Phaeophyceae) germlings exposed to copper FRAUNHOLZ M. see WENDEROTH, MARQUARDT, VAN DE BOO S.M. see LEE, YOON, MOTOMURA and KI) PEER, WASTL and MAIER BRAND J.J. see CRUTCHFIELD & DILLER GARCIA-PICHEL F. see WYNN-WILLIAMS & EDWARDS BREEMAN A.M. see ORFANIDIS & VENEKAMP GERARD-HIRNE C. see LEMAIRE, HOURS, TROUABAL, ROCHI BRITTON G. see HARKER, BERKALOFF, LEMOINE, YOUNG and JACQUOT eeee e DUVAL, RMIKI and ROUSSEAL GIESKES W.W.C. see VRIELING, POORT and BEELEN BROWN M.T. see BOND, MOATE, GLEDHILL, HILL and GLEDHILL M. see BOND, BROWN, MOATE, HILL and NIMMO NIMMO GOER S.L.-D see GUENEAU and WILLIAMS BUDEL B. Ecology and diversity of rock-inhabiting cyanobacteria in GOLUBIC S. & SEONG-JOO L. Early cyanobacterial fossil record tropical regions preservation, palaeoenvironments and identification CALADO A,J., HANSEN G. & MOESTRUP © Architecture of the GONZALEZ-GIL S., AGUILERA A., LOPEZ-RODAS V. & flagellar apparatus and related structures in the type species of COSTAS E. Characterization of morphospecies and strains of Peridinium, P. cinctum (Dinophyceae Pseudanabaena (Cyanophyceae) from laboratory cultures using CHEPURNOV V.A. & MANN D4. Variation in tl antibodies and lectins behaviour of Achnanthes longipes (Bacillariophyta). II GOULARD F., DIOURIS M., DESLANDES E. & FLOC'H J.-Y monoecious lineages Nucleotides, nucleoside sugars and UDP-glucose-4-epimerase CLAYTON M.N. see KEVEKORDES activity in the iota-carrageenophytes Solieria chordalis and CLAYTON MLN. see SCHOENWAELDER Calliblepharis jubata (Rhodophyceae CODD G.A., BELL S.G., KAYA K., WARD C_]., BEATTIE K.A. & GRIFFIN N.J., BOLTON J.J. & ANDERSON R_J. Porphyra aeodis sp METCALF J.S.. Cyanobacterial toxins, exposure routes and human nov. (Bangiales, Rhodophyta), an epiphyte of Aeodes orbitosa from health South Africa COLEMAN A.W. see SCHAGERL & GROSS W. see OESTERHELT & SCHNARRENBERGER Contents and Index to Volume 34 GUENEAU P., GOER S.L.-D & WILLIAMS K.P. Correspondence MORANCAIS M. see MOUGET, TREMBLIN, MORANT- The GC-rich region and T'VC tm arm found in the petF region of MANCEAU and ROBERT the Thalassiosira weissflogii plastid genome encode a tmRNA MORANT-MANCEAU A. see MOUGET, TREMBLIN, GUIRY M.D. see STENGEL & WILKES MORANCAIS and ROBERT HAMEED H.A., KILINC S.. McGOWAN S. & MOSS B MOSS B. British Phycological Society Presidential Address 1999 Physiological tests and bioassays: aids or superfluities to the From algal culture to ecosystem; from information to culture diagnosis of phytoplankton nutrient limitation? A comparative MOSS B. see HAMEED, KILINC and MCGOWAN study in the Broads and the Meres of England MOTOMURA T. see LEE, YOON, KIM and BOO HANSEN G. see CALADO and MOESTRUP MOUGET J.-L., TREMBLIN G.,. MORANT-MANCEAU A HARKER M., BERKALOFF C., LEMOINE Y., BRITTON G MORANCAIS M. & ROBERT J.-M. Long-term photoacclimation of YOUNG A,J., DUVAL J.-C., RMIKI N.-E. & ROUSSEAU B. Effects Haslea ostrearia (Bacillariophyta): effect of irradiance on growth of high light and desiccation on the operation of the xanthophyll rates, pigment content and photosynthesis cycle in two marine brown algae MULLER U. The vertical zonation of adpressed diatoms and other HEANEY S.1. see RENGEFORS & McCALL epiphytic algae on Phragmites australis HELLIO C. & LE GAL Y. Histidase from the unicellular green alga MUR LR. see STAATS, DE WINDER and STAL Dunaliella tertiolecta: purification and partial characterization NAM K.W. Morphology of Chondrophycus undulata and C HILL S.J. see BOND, BROWN, MOATE, GLEDHILL and NIMMO parvipapillata and its implications for the taxonomy of the Laurencia HOFFMANN L. Marine cyanobacteria in tropical regions: diversity (Ceramiales, Rhodophyta) complex and ecology NIELL F.X. see MERCADO HOURS M. see LEMAIRE, GERARD-HIRNE, TROUABAL NIMMO M. see BOND, BROWN, MOATE, GLEDHILL and HILL ROCHE and JACQUOT OESTERHELT C., SCHNARRENBERGER C. & GROSS W JACQUOT J.-P. see LEMAIRE, HOURS, GERARD-HIRNE Characterization of a sugar/polyol uptake system in the red alga TROUABAL and ROCHE Galdieria sulphuraria KAMERMANS P. see MALTA & DRAISMA ORFANIDIS S., VENEKAMP L.A.H. & BREEMAN A.M KAYA K. see CODD, BELL, WARD, BEATTIE and METCALF Ecophysiological adaptations of two Mediterranean red algae in KEVEKORDES K. & CLAYTON MN. Shedding of the zygote wall relation to distribution by Durvillaea potatorum (Durvillaeales, Phaeophyta) embryos PEREZ-LLORENS J.L. see ANDRIA & VERGARA KILINC S. see HAMEED, McGOWAN and MOSS POORT L. see VRIELING, BEELEN and GIESKES KIM Y.J. see LEE, YOON, MOTOMURA and BOO POTTS M. Mechanisms of desiccation tolerance in cyanobacteria KOWALLIK K.V. see MARTIN REIMER A. see ARP and REITNER LARSSON C. & AXELSSON L. Bicarbonate uptake and utilization REITNER J. see ARP & REIMER in marine macroalgae RENGEFORS K., McCALL R.D. & HEANEY S.I. Quantitative X-ray LE CAMPION-ALSUMARD T. see SCHNEIDER microanalysis as a method for measuring phosphorus in LEE Y.K., YOON H.S.. MOTOMURA T,, KIM YJ. & BOO S.M. dinoflagellate resting cysts Phylogenetic relationships between Pelvetia and Peivetiopsis RMIKI N.-E. see HARKER, BERKALOFF, LEMOINE, BRITTON Fucaceae, Phaeophyta) inferred from sequences of the RuBisCo YOUNG, DUVAL and ROUSSEAL spacer region ROBERT J.-M. see MOUGET, TREMBLIN, MORANT-MANCEAU LE GAL Y. see HELLIO and MORANCAIS LEMAIRE S.D., HOURS M., GERARD-HIRNE C., TROUABAL A. ROCHE O. see LEMAIRE, HOURS, GERARD-HIRNE ROCHE O. & JACQUOT J.-P. Analysis of light/dark TROUABAL and JACQUOT synchronization of cell-wall-less Chlamydomonas reinhardtii ROUSSEAU B. see HARKER, BERKALOFF, LEMOINE, BRITTON Chlorophyta) cells by flow cytometry YOUNG, DUVAL and RMIKI LEMOINE Y. see HARKER, BERKALOFF, BRITTON, YOUNG ROUSSEAU F. & DE REVIERS B. Phylogenetic relationships within DUVAL, RMIKI and ROUSSEAU the Fucales (Phaeophyceae) based on combined partial SSU + LSU LEVADO E. see SIGEE & TEPER rDNA sequence data LINDSTROM E.-A. see MOLLENHAUER & BENGTSSON SARTONI G. see BODDI & BIGAZZ]1 LINDSTROM S.C. see SOSA SCHAGERL M., ANGELER D.G. & COLEMAN A.W. Infraspecific LOPEZ-RODAS V. see GONZALEZ-GIL, AGUILERA and phylogeny of Pandorina morum (Volvocales, Chlorophyta) inferred COSTAS from molecular, biochemical and traditional data McCALL R.D. see RENGEFORS and HEANEY SCHERER S. see EHLING-SCHULZ McGOWAN S. see HAMEED, KILINC and MOSS SCHNARRENBERGER C. see OESTERHELT and GROSS MAIER U.-G. see WENDEROTH, MARQUARDT, FRAUNHOLZ SCHNEIDER J. & LE CAMPION-ALSUMARD T. Construction and VAN DE PEER and WASTL destruction of carbonates by marine and freshwater cyanobacteria MALTA E.-J., DRAISMA S.G.A. & KAMERMANS P. Free-floating SCHOENWAELDER M.E.A. & CLAYTON MLN. The role of the Ulva in the southwest Netherlands: species or morphotypes? A cytoskeleton in brown algal physode movement morphological, molecular and ecological comparison SEONG-JOO L. see GOLUBIC MANN D.G. see CHEPURNOV SHEATH R.G. see SHERWOOD MARQUARDT J. see WENDEROTH, FRAUNHOLZ, VAN DE SHERWOOD A.R. & SHEATH R.G. Biogeography and systematics PEER, WASTL and MAIER of Hildenbrandia in North America (Rhodophyta, Hildenbrandiales MARTIN NJ. see FALLOWFIELD and CROMAR inferences from morphometrics and rbcL and 18S rRNA gene MARTIN W. & KOWALLIK K.V. Annotated English translation of sequence analyses Mereschkowsky’s 1905 paper ‘Uber Natur und Ursprung der SIGEE D.C., TEPER J. & LEVADO E. Elemental composition of the Chromatophoren im Pflanzenreiche cyanobacterium Anabaena flos-aquae collected from different depths MERCADO J.M. & NIELL F.X. Carbonic anhydrase activity and use within a stratified lake of HCO, in Bostrychia scorpioides (Ceramiales, Ruodophyceae SOSA P.A. & LINDSTROM S.C. Review: Isozymes in macroalgae METCALF J.S.. see CODD, BELL, KAYA, WARD and BEATTIE seaweeds): genetic differentiation, genetic variability and MOATE R.M. see BOND, BROWN, GLEDHILL, HILL and applications in systematics NIMMO STAATS N., DE WINDER B., STAL LJ. & MUR LR. Isolation and MOESTRUP @ see CALADO & HANSEN characterization of extracellular polysaccharides from the epipelic MOLLENHAUER D., BENGTSSON R. & LINDSTROM E.-A diatoms Cylindrotheca closterium and Navicula salinarum Macroscopic cyanobacteria of the genus Nostoc: a neglected and STAL LJ. see STAATS, DE WINDER and MUR endangered constituent of European inland aquatic biodiversity STENGEL D.B., WILKES R.J. & GUIRY M.D. Seasonal growth and Contents and Index to Volume 34 recruitment of Himanthalia elongata (Fucales, Phaeophycota) in WARD CJ. see CODD, BELL, KAYA, BEATTIE and METCALF different habitats on the Irish west coast WASTL J. se WENDEROTH, MARQUARDT, FRAUNHOLZ TEPER J. see SIGEE and LEVADO VAN DE PEER and MAIER TREMBLIN G. see MOUGET, MORANT-MANCEAU WENDEROTH K., MARQUARDT J., FRAUNHOLZ M., VAN DE MORANCAIS and ROBERT PEER Y., WASTL J. & MAIER U.-G. The taxonomic position of TROUABAL A. see LEMAIRE, HOURS, GERARD-HIRNE, ROCHE Chlamydomyxa labyrinthuloides and JACQUOT WILKES R.J. see STENGEL and GUIRY VAN DE PEER Y. see WENDEROTH, MARQUARDT WILLIAMS K.P. see GUENEAU & GOER FRAUNHOLZ, WASTL and MAIER WYNN-WILLIAMS D.D., EDWARDS H.G.M. & GARCIA-PICHEL VENEKAMP L.A.H. see ORFANIDIS and BREEMAN F. Functional biomolecules of Antarctic stromatolitic and endolithic VERGARA J.J. see ANDRIA and PEREZ-LLORENS cyanobacterial communities VRIELING E.G., POORT L., BEELEN T.P.M. & GIESKES W.W.C YOON HSS. see LEE, MOTOMURA, KIM and BOO Growth and silica content of the diatoms Thalassiosira weissflogii and YOUNG A]. see HARKER, BERKALOFF, LEMOINE, BRITTON Navicula salinarum at different salinities and enrichments with DUVAL, RMIKI and ROUSSEAU aluminium ZINOUN M. see FOURNET, DESLANDES, DIOURIS and FLOC’H SUBJECT INDEX 4A chnanthes, l1 Corallinales, 239 Actin, 223 Craspedostauros, 131 adhesion, 65 Cyanidiaceae, 271 adpressed diatoms, 487 cyanobacteria, 27, 319, 329 Aegean Sea, 239 Cyanobacteria, 339, 371 algal cryopreservation, 43 cyanobacteria, 381, 393 alginate, 65 Cyanobacteria, 405 allozymes, 427 Cyanophyta, 371, 405 Cylindrotheca closterium, 161 Aluminium, 307 ‘ yet 17 {nabaena, 477 cyst, 171 anion exchange(r), 79 Cystoseiraceae, 53 asnniioonnss,, 4 477 Cy?t ochalasin, 223 . , Cytometry, 279 annual cycle, 487 - 2 Cytoskeleton, 223 Antarctic, 381 ; ,; 2D electrophoresis, 329 anthropogenic changes, 349 A hal desiccation, 35, 319 antibodies : development, 65 antioxidants, 329 : # diatom, 1 aplanospores, 9 ‘ P ; diatoms, 161 aquatic biodiversity, 349 ; dinoflagellate, 171 auxospoFr u=l: ation, 1 dinoflagellj ates, 17- 9 Axillariella, 53 : distribution, 213 Bacil—l_a riophy—cea*e, 307 diversity, 361 Bac.i llarioopphayyttaa,, 21,, i1 09 DNA; re:p air, 329 Ba7 ngial" es, . 505 Dununaalliieelilla , 11 = nr lif vy 213 bet Biennial life-history, 213 Dunaliella tertiolecta eres " " a biodiversity, 371 Durvillaea, 53, 65 bioerosion, 41 ecosystem, 361 biofilm, 393 Electron microscopy, 297 biogenic weathering, 361 electron-translucent vesicles, 513 ; . tie Biogeography, 239 electrophoresis, 427, 505 biogeography, 371, 5 embryo, 65 biokarst, 417 endolithic, 381 biosynthesis, 125 Enteromorpha, 443 blue-green algae, 477 Epi-/endolithic cyanobacteria, 417 breeding system, 1 EPS, 161, 319 Broads, 25: Europe, 349 brown algae, 53 evolution, 339 MC labelling, 125 exopolymers, 393 calcification, 393 extracellular polymeric substances, 161 Calliblepharis jubata, 21 extracellular polysaccharides, 329 carbon, 497 flagellar apparatus, 179 cathonates. 417 floridean starch, 12 carbon-concentrating mechanism, 133 fluorescence,-e, 1 109 carbonic anhydrase, 13, 79 freezing damage, 43 conchenatiie 6_ Frreesshh water, 25253: carrageenan, 12a5n frmoekssebhsewneas ter4,1 7 , , Frustules, 307 carrageenan biosynthesis, 21 rave Fucaceae, 205 cations, 4 ; Fucales, 213 ll cycle, 279 ; Fucus spiralis, 513 . n Galdieria sulphuraria, 271 furcoides, 171 71 Gaoyuzhuang Formation, 339 Ce 1 I a generic delineation, 455 characterization, 71 ae a genetic identity, 42 nhemostat, 49 _ 2 genetic structure, 42 Chert, 339 - : genetic variability, 42 Chlamydom° onas, 279 geographi| c distribution, 469 Cnlamydomonas reinnar 3 ; bes : germlings, 513 Ch' lamydomyxa labyrinthuloides, 97 gslyicaelroilc, 11 - CCth lorophF yta 79 Gracilar; ia, 49 - 4 }h on .d ropphhyc us l parpavrivpipaarp ill : growth,I 469 Chondrophycus undulata, 45 Haslea ostrearia, 109 Chrysomeridales, 297 health, 405 hrysonephos, 297 Heterotrophy, 271 Chrysophyceae, 97, 297 High Rate Algal Ponds, 231 CO, gas exchange, 361 Hildenbrandia, 523 conservation, 349 Himanthalia elongata, 213 copper, 513 histidase, 71 Contents and Index to Volume 34 historical landscapes, 349 phosphorus, 171, 253 Hormosira, 53 photoinhibition, 35 Hormosira banksii, 223 photoperiod, 469 in situ growth, 213 photoprotection, 35 inbreeding depression, 1 photosynthesis, 13, 79, 109, 497 infrageneric taxonomy, 455 photosynthetic oxygen evolution, 43 inorganic carbon, 79 phycobiliproteins, 497 irradiance, 469 phylogeny, 53, 87, 205, 523 isozymes, 427, 505 Physode, 223 ITS sequences, 87, 443 Phytoplankton, 253 Laminaria, 35 pigments, 109, 381 Latrunculin, 223 plasmodium, 97 Laurencia, 455 Polyols, 271 lectins, 27 polysaccharide, 161 lichens, 381 population genetics, 427 light acclimation, 109 Porphyra aeodis, 505 light optimum, 487 Porphyra capensis, 505 lithic, 381 Porphyra saldanhae, 505 Lithothamnion philippii, 239 Precambrian, 339 loroxanthin, 87 proteome, 329 LSU and SSU rDNA sequences, 53 Proterozoic, 339 macroscopic Nostoc species, 349 Pseudanabaena, 27 marine, 371, 417 purification, 71 pusular complex, 179 marine diatoms, 131 Raman, 381 Mediterranean, 469 rbcL gene, 523 membranes, 319 recruitment, 213 Meres, 253 red algae, 13, 469 Mesophyllum alternans, 239 reproduction, 469 Mesophyllum incisum, 239 Rhodophyceae, 125 Mesophyllum mesomorphum, 239 Rhodophyta, 79 Mesophyllum ornatum, 239 Rubisco, 497 methanol cryoprotection, 43 RuBisCo spacer, 205 microalgae, 71, 109, 279 salinity, 443 microbial fossil, 339 salt stress, 117 microcystin, 405 Sarcinochrysidales, 297 micro-habitat, 213 Sargassaceae, 53 microphytobenthos, 161 scytonemin, 329, 381 microtubules, 223 seasonality, 213 Millepora agariciformis, 239 seaweeds, 427 molecular systematics, 205 secondary metabolites, 371 morphological variation, 443 sediment stabilization, 161 morphology, 455, 505 SEM, 171 morphometrics, 523 sexual reproduction, 1 morphospecies, 27 silicification, 307 motile cell ultrastructure, 297 silicon, 171, 477 mycosporine-like amino acids, 329 soda lakes, 393 Navicula salinarum, 161, 307 Solieria chordalis, 21, 125 new combinations, 455 South Africa, 505 Nitrogen, 253, 497 spectroscopy, 381 nitrogen fixation, 371 18S rRNA gene, 523 nitrogen input, 361 Stauroneis, 131 Nocodazole, 223 Stauronella, 131 North America, 523 stauros, 131 Nostoc 319 stress proteins, 329 Notheia, 53 stromatolites, 339, 393 nucleic acids, 319 sugar transport, 271 nucleoside diphosphate monosaccharides survival, 469 nucleotides, 21 synchronized cultures, 279 Nutrient limitation, 253 syngens, 87 Nutrient removal, 231 taxonomy 131, 239, 297 osmoregulation, 117 TEM, 117 Osmundea, 455 temperature, 443, 469 Pandorina morum, 87 terrestrial biodiversity, 349 Pelagophyceae, 297 terrestrial environments, 417 Pelvetia, 35, 205 Tethys, 239 Pelvetiopsis, 205 Thalassiosira weissflogii, 307 -eridinium, 179 threats, 349 periphyton, 487 toxins, 405 pH, 13 tropical terrestrial cyanobacteria, 361 Phaeophyta, 65, 79, 205 tropics, 371 Phenolic compounds, 223 UDP-p-glucose-4-epimerase, 21 Contents and Index to Volume 34 ultrastructure, 117, 179, 513 water column, 477 ultraviolet, 381 wave exposure, 213 Ulva, 443 xanthophyll cycle, 35 upright algae, 487 Xiphophora, 53 UV-A/UV-B photoprotection, 329 X-ray microanalysis, 171, 4 -- vertical zonation, 487 XRMA, 171 Volvocales, 87 zoosporogenesis, 297 wastewater treatment, 231 zygote wall, 65