Aquatic botany Aquatic Botany 73 (2002) 433-435 www.elsevier.com/locate/aquabot Contents of Aguatic Botany, Volume 73 VOL. 73 NO. 1 MAY 2002 Use of bicarbonate ions as a source of carbon in photosynthesis by Callitriche hermaphroditica S.C. Maberly (Cumbria, UK) and T.V. Madsen (Risskov, Denmark) Initial impact of low stocking density of grass carp on aquatic macrophytes I. Pipalova (Ceské Budéjovice, Czech Republic) A study of genetic variation in /ris pseudacorus populations using amplified fragment length polymorphisms (AFLPs) V. Lamote (Melle, Belgium and Gent, Belgium), I. Roldan-Ruiz, E. Coart, M. De Loose (Melle, Belgium) and E. Van Bockstaele (Melle, Belgium and Gent, Belgium) Shoot and abundance characteristics of the seagrass Heterozostera tasmanica in Westernport estuary (south-eastern Australia) S.J. Campbell (Melbourne, Australia) and C.J. Miller (Macleod, Australia) Photosynthetic performance and pigment content in the aquatic liverwort Riella helicophylla under natural solar irradiance and solar irradiance without ultraviolet light R.M. Conde-Alvarez, E. Pérez-Rodriguez, M. Altamirano, J.M. Nieto, R. Abdala, F.L. Figueroa and A. Flores-Moya (Malaga, Spain) Effects of recreational clam harvesting on eelgrass (Zostera marina) and associated infaunal invertebrates: in situ manipulative experiments B.L. Boese (Newport, OR, USA) Changes in seagrass coverage in Cockburn Sound, Western Australia between 1967 and 1999 G.A. Kendrick (Crawley, Australia), M.J. Aylward (Crawley, Australia and Leeming, Australia), B.J. Hegge (Nedlands, Australia), M.L. Cambridge (Crawley, Australia), K. Hillman (Nedlands, Australia), A. Wyllie (Leeming, Australia) and D.A. Lord (Nedlands, Australia) Book review dSeaaeeenEsSaeaIeeeua !aO dN nse e t en VOL. 73 NO. 2 JUNE 2002 Effects of water depth and substrate on growth and morphology of Eleocharis sphacelata: implications for culm support and internal gas transport B.K. Sorrell (Christchurch, New Zealand), C.C. Tanner and J.P.S. Sukias (Hamilton, New Zealand) Net production of Ruppia cirrhosa in the Ebro Delta M. Menéndez (Barcelona, Spain) A comparison of the morphology, gas space anatomy and potential for internal aeration in Phragmites australis under variable and static water regimes S.D. White (Murdoch, WA, Australia) and G.G. Ganf (Adelaide, SA, Australia) PII: S0304-3770(02)00094-3 434 Contents of Aquatic Botany, Volume 73 Seedling root establishment may limit Najas marina L. to sediments of low cohesive strength ee es I UD ow dc a a.4 % Wind FOO d 6.009 800 00 bebe 129 Sedimentation disrupts natural regeneration of Zannichellia palustris in Fall River, California D.F. Spencer and G.G. Ksander (Davis, CA, USA) ..........cccccccvcccsccees 137 Charophyte communities in cut-off river channels. The role of connectivity G. Bornette and M.-F. Arens (Villeurbanne, France). .......0..0.0.0 0.0 e.ee. ee e 149 Karyomorphological studies in Oserya, Vanroyenella and Tristicha (Podostemaceae sensu lato) N. Oropeza, G. Palomino, A. Novelo R (México, México) and C. Thomas Philbrick Fiala ik a UC Es Ane id le Nl gw YEN ES AS e's Be 8 163 Photosynthetic characteristics of Thalassia testudinum measured in situ by pulse-amplitude modulated (PAM) fluorometry: methodological and scale-based considerations M.J. Durako and J.1. Kunzelman (Wilmington, NC, USA)... ................505. 173 VOL. 73 NO. 3 JULY 2002 Assessing the effect of fisheries development on aquatic vegetation using GIS W. Li (Wuhan, PR China), B. Huang (Keele, UK and Beijing, PR China) and R.-R. Li rr re. wits ik ws Sn bbws OC RAAER OOS CODD 0 ON ORS O84 6 6% ¥ 88 187 Embryo sac development in Vanroyenella plumosa, Podostemaceae G. Murguia-Sanchez, R. Alejandro Novelo (México City, México), C. Thomas Philbrick (Danbury, CT, USA) and G. Judith Marquez-Guzman (México City, México) ......... 201 The relation between vegetation zonation, elevation and inundation frequency in a Wadden Sea salt marsh A.-C. Bockelmann (Haren, The Netherlands and Kiel, Germany), J.P. Bakker, R. Neuhaus (Kiel, Germany) and J. Lage (Laboe, Germany) .........00.0 .c .ee.e .ee .ee e 211 Seasonal fluctuations in live and dead biomass of Phragmites australis as described by a growth and decomposition model: implications of duration of aerobic conditions for litter mineralization and sedimentation T. Asaeda, L.H. Nam (Saitama, Japan), P. Hietz (Wien, Austria), N. Tanaka and rr i eS i cd «bs 6540 6.0 CR PERRKEO CP RAEERR OCHS ESOS 223 Induction, exudation and the UV protective role of kelp phlorotannins A.K. Swanson and L.D. Druehl (Burnaby, Canada) ..............0..00.0000005. 241 Formation and growth of filamentous thalli from isolated utricles with medullary filaments of Codium fragile spongy thalli N. Nanba, R. Kado, H. Ogawa and Y. Komuro (Iwate, Japan).................44. 255 Carbon transfer from detrital leaves of eelgrass (Zostera marina) to bacteria A.V. Vahatalo (Chapel Hill, NC, USA) and M. Sgndergaard (Hilleréd, Denmark). ..... . 265 Short communication Spectral reflectance of Lemna gibba fronds exposed to ethylene glycol W. Dong (New Orleans, LA, USA and Oak Ridge, TN, USA), G.A. Carter (Stennis Space Center, MS, USA) and J.T. Barber (New Orleans, LA, USA).......... 275 VOL. 73 NO. 4 AUGUST 2002 KG heck a Ao bln Sle he NR 6 kD Oe eA Rees a eet eae ek 285 Plant communities and plant diversity in softwater lakes of northern Europe nh CS bs b's 4 ars galg-a ds be 6 6 OR ree eo) voles seve bee bes 287 The isoetid environment: biogeochemistry and threats A.J.P. Smolders, E.C.H.E.T. Lucassen and J.G.M. Roelofs (Nijmegen, The Netherlands) . . 325 Carbon acquisition and carbon dynamics by aquatic isoetids T.V. Madsen, B. Olesen and J. Bagger (Risskov, Denmark)....................2.. Contents of Aquatic Botany, Volume 73 Deterioration of atlantic soft water macrophyte communities by acidification, eutrophication and alkalinisation G.H.P. Arts (Wageningen, The Netherlands) Effects of liming on aquatic macrophytes, with emphasis on Scandinavia T.E. Brandrud (Oslo, Norway) Restoration of aquatic macrophyte vegetation in acidified and eutrophied softwater lakes: an overview E. Brouwer (Nijmegen, The Netherlands), R. Bobbink (Utrecht, The Netherlands) and J.G.M. Roelofs (Nijmegen, The Netherlands) Contents of Aquatic Botany, Volume 73