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The twenty-nine peer-reviewed contributions to this impressive volume sweep the entire range of current research on diatoms--from the taxonomy of freshwater and marine diatoms, the fossil record of both terrestrial and marine habitats, planktonic diatoms, potential of diatoms and ostracods as bioindicators, application of diatom assemblages to climatic reconstructions, the use of molecular tools in phylogeny, tracing the threat of invasive and potentially toxic diatoms to the highlights of the diatom collection of Jozef Pantocsek.
The wide range of topics covered herein delineates the equally wide range of research interests of Prof. Horst Lange-Bertalot. The papers were contributed by friends and colleagues on the occasion of his 75th birthday which was celebrated during the 5th Central European Diatomologists Meeting (=25th German-speaking Diatomologists Meeting) in Szczecin, Poland, in February 2011.
Many of the authors have benefited from Prof. Lange-Bertalot's profound knowledge of diatoms in general, and his floristic skills in particular. The impact of his work on diatom research has been extraordinary, with important implications for ecology (from water pollution to climate change), biodiversity and conservation sciences. This has been due in large part to the breadth and depth of Prof. Lange-Bertalot's research record in four areas: evaluation of water quality using diatoms, floristics with a focus on Europe, floristics with a worldwide perspective, and synthetic work to organize and integrate these other studies. This tremendous volume honors Professor Horst Lange-Bertalot, one of the pre-eminent diatom taxonomists.
This volume is of great interest for all researchers working on diatoms and their impact on biodiversity, conservation sciences and ecology in general.
Preface 1
Curriculum Vitae 6
List of Publications by Horst Lange-Bertalot 7
Bahls, L.: Seven new species in Navicula sensu stricto from the Northern Great Plains and Northern Rocky Mountains. (With 69 figures and 6 tables) 19
Blanco, S., B. Van de Vijver, A. Vinocur, G. Mataloni, J. Gomà, M. H. Novais & L. Ector: Hippodonta lange-bertalotii Van de Vijver, Mataloni & Vinocur sp. nov. and related smallcelled Hippodonta taxa. (With 75 figures and 2 tables) 39
Burliga, A. L. & J. P. Kociolek : Four new Eunotia Ehrenberg species (Bacillariophyceae) from pristine regions of Carajás National Forest, Amazonia, Brazil. (With 41 figures and 3 tables) 53
Cantonati, M., M. Leira, N. Angeli & C. López Rodríguez: Naviculadicta langebertalotii sp. nov. (Bacillariophyta) from streams in Galicia (N-W Spain). (With 3 figures and 2 tables) 71
Karthick, B., P. B. Hamilton & J. P. Kociolek: Taxonomy and biogeography of some Surirella Turpin (Bacillariophyceae) taxa from Peninsular India. (With 140 figures and 1 table) 81
Karthick, B. & Kociolek, J. P.: A new species of Pleurosigma from Western Ghats, South India. (With 18 figures) 117
Metzeltin, D.: Eunotia langebertalotii, a new species from Lambir Hills National Park in Sarawak, tropical East Malaysia. (With 5 figures) 125
Monnier, O., L. Ector, F. Rimet, M. Ferréol & L. Hoffmann: Adlafia langebertalotii sp. nov. (Bacillariophyceae), a new diatom from the Grand-Duchy of Luxembourg morphologically similar to A. suchlandtii comb. nov. (With 22 figures and 3 tables) 131
Morales, E. A., K. M. Manoylov & L. L. Bahls: Fragilariforma horstii sp. nov. (Bacillariophyceae) a new araphid species from the northern United States of America. (With 21 figures and 2 tables) 141
Reichardt, E.: Der Artenkomplex um Gomphonema occultum E. Reichardt & Lange- Bertalot (Bacillariophyceae): Variabilität und drei neue Arten. (With 126 figures) 155
Stachura-Suchoples, K.: On taxonomy of Pliocaenicus costatus species complex, varieties, demes or/and morphological variability?. (With 88 figures and 1 table) 169
Trobajo, R., D. G. Mann & E. J. Cox: Studies on the type material of Nitzschia abbreviata (Bacillariophyta). (With 54 figures) 185
Van de Vijver, B., B. Chattová, D. Metzeltin & M. Lebouvier: The genus Pinnularia (Bacillariophyta) on Ile Amsterdam (TAAF, Southern Indian Ocean). (With 83 figures) 201
Van de Vijver, B., A. Jarlman, M. de Haan & L. Ector: New and interesting diatom species (Bacillariophyceae) from Swedish rivers. (With 253 figures and 2 tables) 237
Williams, D. M.: Diatoma moniliforme: Commentary, relationships and an appropriate name. (With 8 figures and 3 tables) 255
Aké-Castillo, J. A., Y. B. Okolodkov, S. Espinosa-Matías, F. del C. Merino-Virgilio, J. A. Herrera-Silveira & L. Ector: Cyclotella marina (Tanimura, Nagumo et Kato) Aké-Castillo, Okolodkov et Ector comb. et stat. nov. (Thalassiosiraceae): a bloom-forming diatom in the south eastern Gulf of Mexico. (With 10 figures and 1 table) 263
Belando, M. D., A. Marín & M. Aboal: Licmophora species from a Mediterranean hypersaline coastal lagoon (Mar Menor, Murcia, SE Spain). (With 35 figures and 1 table) 275
Reid, G.: Toxonidea langebertalotii sp. nov. A new marine diatom from the Salvages Islands. (With 6 figures and 1 table) 289
Riaux-Gobin, C., P. Compère, A. Y. Al-Handal & F. Straub: SEM survey of some smallsized Planothidium (Bacillariophyta) from coral sands off Mascarenes. (Western Indian Ocean). (With 50 figures and 1 table) 295
Khursevich, G. & Kociolek, J. P.: A preliminary, worldwide inventory of the extinct, freshwater fossil diatoms from the orders Thalassiosirales, Stephanodiscales, Paraliales, Aulacoseirales, Melosirales, Coscindiscales, and Biddulphiales 315
Kulikovskiy, M. S., G. K. Khursevich & A. Witkowski: Encyonema horstii sp. nov., a species of unusual valve outline from the Pleistocenedeposits of Lake Baikal. (With 2 plates) 365
Witkowski, J., D. M. Harwood & M. Kulikovskiy: Observations on Late Cretaceous marine diatom resting spore genera Pseudoaulacodiscus and Archaegoniothecium gen. nov. (With 2 figures and 11 plates) 375
Jasprica, N., M. Carić, F. Kršinić, T. Kapetanović, M. Batistić & J. Njire: Planktonic diatoms and their environment in the lower Neretva River estuary (Eastern Adriatic Sea, NE Mediterranean). (With 7 figures and 3 tables) 405
Solak, C. N., L. Ector, A. Z. Wojtal, É. Ács & E. A. Morales: A review of investigations on diatoms (Bacillariophyta) in Turkish inland waters. (With 3 figures and 2 tables) 431
Bak, M. & A. Szlauer-Łukaszewska: Bioindicative potential of diatoms and ostracods in the Odra mouth environment quality assessment. (With 6 figures and 2 tables) 463
Starrat, S. W.: Holocene diatom flora and climate history of Medicine Lake, Northern California, USA. (With 6 figures and 1 table as appendix) 485
Medlin, L., I. Yang & S. Sato: Evolution of the Diatoms. VII. Four gene Phylogeny assesses the validity of celected araphid genera. (With 5 figures and 2 tables) 505
Lang, I. & I. Kaczmarska: Morphological and molecular identity of diatom cells retrieved from ship ballast tanks destined for Vancouver, Canada. (With 17 figures and 3 tables) 515
Buczkó, K.: The Pantocsek diatom and photomicrograph collection from 19th to 21th century. (With 3 figures) 535
"Prof. Horst Lange-Bertalot is a worldwide renowned diatom taxonomist, though his scientific activity began with “plant physiology stage”. During his “diatom period” he has been dealing with various issues associated with these algae. At the beginning studying the heavily polluted rivers, Main and Rhein, he raised the question how changes in diatom assemblage composition could be applied to riverine water quality assessment, and developed a system that is still used for this issue. He realised the importance of correct identification of diatom species for habitat quality assessment therefore he began to study the taxonomy of diatom taxa that are important in water quality evaluation. He set standards for diatom iconography involving high quality light and scanning electron microscopic microphotographs.
This volume has been made as a spontaneous response to Prof. Horst Lange-Bertalot’s 75th birthday on the part of his friends and colleagues. Prof. Lange-Bertalot’s wide range of interests is mirrored in the wide range of topics delineated in 29 peer-reviewed papers of this volume. In the preface Prof. Lange-Bertalot’s life is presented along with his curriculum vitae and list of publications.
The first 19 papers are about the taxonomy of new and reinvestigated species described from various freshwater and marine habitats. We can get to know new species belonging to genera Navicula sensu stricto, Hippodontia, Eunotia, Naviculadicta, Pleurosigma, Adlafia, Fragilariforma, Caloneis, Fragilaria, Geissleria, Toxonidea, Pinnularia from various parts of the world spanning from Amazonia and northern part of USA through Galicia and South Shetland Islands to Borneo and India. Taxonomy (holotype, isotype, type locality, etymology), descriptions with light microscopic and in most cases SEM micrographs, comparisons with related species distribution and ecology are provided for the species. Reinvestigations of Gomphonema occultum, Pliocaenicus costatus, Nitzschia abbreviata, Diatoma moniliforme and several Surirella species have had interesting results. For Cyclotella atomus var. marina a new combination has been proposed based on morphological observations on populations found in Mexican waters. Licmophora species from a Mediterranean hypersaline coastal lagoon and Planothidium species from coral sands off Réunion and Rodrigues Islands are also described in this part of the book.
This volume contains not only studies on recent species, but papers on taxonomy and distribution of fossil diatoms. New species are described from Pleistocene deposits of Lake Baikal, as well as Eurasian and North American Late Cretaceous sediments. Khursevich and Kociolek have developed a preliminary list of fossil diatoms mainly from freshwater habitats including 328 taxa of Thalassiosirales, Stephanodiscales, Paraliales, Aulacoseirales, Melosirales, Coscinodiscales and Biddulphiales. According to distribution data authors could suggest when invasion, regional differentiation and extinction events had happened.
Changes in diatom assemblages can mirror environmental changes. Moreover, Bak and Szlauer-Łukaszevska found the taxonomic composition and structure of diatom and ostracod assemblages to be useful and complementary indicators of ecological conditions in Odra river mouth. These waters were shown to be strongly eutrophic with temporal and spatial variations in salinity and with a slightly alkaline pH due to the mixture of Odra river and Baltic Sea causing high biodiversity of diatoms and ostracods. Jasprica et al. investigated the environmental parameters influencing planktonic diatom community structure in the lower Neretva River estuary (Adriatic Sea).
Solak et al. review data published on diatoms in aquatic systems of Turkey including identification of neglected geographical and research areas. They provide the list of diatoms most commonly reported from Turkish rivers, lakes and reservoirs.
Diatom record could be applied for palaeolimnological studies. Diatom assemblage of a sediment core spanning the past 11,400 years from Northern Californian Medicine Lake was appropriate for building the history of the lake including variations of water level in associated with climate changes.
Molecular methods are useful in investigating diatoms. Using photosynthetic and ribosomal genes Medlin et al. could show the phylogenetic position of genera Fragilaria and Synedra sensu stricto and new genera separated from them. Lang and Kaczmarska studied diatoms from trans-Pacific crossing ship ballast water tanks and from associated ports applying genetic method besides SEM characterisation. In this way they could illustrate the limitations of benefits of using mid-ocean exchange as a sole means of ballast water management.
The last paper presents the work and collection of a diatomist prominent similarly to Prof. Lange-Bertalot. József Pantocsek used photomicrographs and accurate drawings to document diatoms. All his publications have been made available on the web. This book has the benefit that it demonstrates diatoms in various points of view. It is illustrated by a number of figures and good qualityLMand SEM photographs. It can be recommended to everyone interested in wide range of topics associated with diatoms. The real value of the book is that we can get to know two great diatomists."
- M. Duleba, Acta Botanica Hungarica 54 (3-4), 2012
