Published since January 1, 1959

Botanica Marina

ISSN: 1437-4323

Editor-in-chief: Matthew J. Dring

Impact Factor: 2.095

About this journal

Objective
Botanica Marina publishes high-quality contributions from all of the disciplines of marine botany at all levels of biological organisation from subcellular to ecosystem: chemistry and applications, genomics, physiology and ecology, phylogeny and biogeography. Research involving global or interdisciplinary interest is especially welcome. Applied science papers are appreciated, particularly when they illustrate the application of emerging conceptual issues or promote developing technologies. The journal invites state-of-the art reviews dealing with recent developments in marine botany.

Topics
Cutting-edge topics such as, but not limited to, the following:

Biogeography
Physiological ecology
Impacts of environmental change
Taxonomy and phylogenetics
Molecular biology and genetics
Physiology and biochemistry
Chemistry of natural products
Cultivation and utilisation
Industrial processes

Call for Papers

Botanica Marina Special Issue "Phylogeny and Ecology of Ulva"

Guest Editors: Sophie Steinhagen (University of Gothenburg, Sweden) and Jonas Blomme (Ghent University, Belgium)

The Special Issue on Ulva aims to combine relevant scientific work on this important genus of green algae, ranging from species specific ecological traits to detailed phylogenetic aspects and case studies. Contributions on both basic and applied aspects are welcome. More details can be found here. The submission deadline is May 31, 2023.

Article formats
Reviews, research articles, short communications

Your Benefits

Your benefits

Cutting-edge research in the field of marine botany
Theoretical, experimental or practical approach to significant topics
International, highly qualified editors and reviewers improve the impact and prestige of published papers
Publication online (incl. ahead of print mode) and in print
Free access option for outstanding articles (editor’s choice)

History

Since its founding in 1959, Botanica Marina has been published by De Gruyter.

Other publications in the field
Climate Change and Marine and Freshwater Toxins
Marine and Freshwater Botany

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Supplementary Materials

Topics

External Links

Online submission of manuscripts

Volume 65 Issue 6

December 2022

Publicly Available November 24, 2022

Frontmatter

Page range: i-iii

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Publicly Available November 24, 2022

In this issue

Page range: iv-v

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Physiology and Ecology

November 2, 2022

Brazil-Malvinas Confluence in the South-West Atlantic Ocean: phytoplankton species, life forms and trophic mode

Rafael Henrique de Moura Falcão, Pedro Augusto Mendes de Castro Melo, Moacyr Cunha de Araujo Filho, Maria da Glória Gonçalves da Silva Cunha

Page range: 391-403

Abstract

The Brazil-Malvinas Confluence (BMC) is characterized by high environmental variability and represents a hotspot of phytoplankton biodiversity. This study has investigated the phytoplankton composition in the BMC and a Cold Core Eddy (CCE), with particular reference to the life forms and trophic modes of the species. Vertical hauls were performed between the maximum chlorophyll depth and the surface with a 20-μm mesh plankton net at six sampling points in the BMC (4 hauls) and CCE (2 hauls) during the austral spring (November 2019). Temperature and salinity were determined in situ . The Brazil Current and Malvinas Current in the BMC had different species compositions, and the CCE had greater similarity with the Malvinas Current. Autotrophic organisms (mainly diatoms) and marine planktonic oceanic and/or neritic life forms were predominant in the BMC and the CCE. Heterotrophic dinoflagellates were predominant in the Brazil Current and the CCE, while mixotrophic dinoflagellates in the Malvinas Current were associated with low temperatures and salinities. A high diversity of species was confirmed in the region, mainly associated with marine planktonic oceanic and/or neritic species, and there was a predominance of autotrophic organisms. The temperature conditions in the CCE promoted an increase in species richness in the region.

October 31, 2022

Spatial and temporal variations of macroalgal vegetation in the north-western Red Sea

Sarah H. Rashedy, Samia M. El-Mahdy, Islam M. El-Manawy, Leonel Pereira

Page range: 405-418

Abstract

Macroalgae play a vital role in marine ecosystems, but human effects are threatening the composition and structure of algal communities. In the present investigation, the spatial and temporal variations of species composition, functional groups and percentage macroalgal cover were studied in relation to seasonal fluctuations of some physicochemical parameters, to determine the ecological status of macroalgae in coastal waters along the coast of the northwestern part of the Red Sea, from November 2020 to October 2021. Fifty-five species of macroalgae were collected and identified from the sites studied. Five functional groups of macroalgae were recognized. Among these were two turf-forming species, 34 species of upright fleshy algae, and three crustose algae. There was a large variation in the cover, as well as in the species richness and assemblage structure of the macroalgae in different sites and seasons. Seasonal changes, determined by environmental conditions, led to small changes in macroalgal cover at different sites, with the growth of some brown macroalgae suppressed by high sea temperatures, whereas some green and red macroalgae, increased in response to increasing temperature and salinity.

Taxonomy/Phylogeny and Biogeography

Publicly Available October 31, 2022

Phylogeographic patterns in attached and free-living marine macroalga Fucus vesiculosus (Fucaceae, Phaeophyceae) in the Baltic Sea

Roxana Preston, Perttu Seppä, Ellen Schagerström, Jaanika Blomster

Page range: 419-432

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Abstract

Sequencing of a mitochondrial intergenic spacer and 23S subunit was used to investigate the phylogeographic patterns in Fucus vesiculosus . Samples originated from 21 sites spanning six subbasins of the Baltic Sea. We identify a putative ancestral mitochondrial haplotype that entered the Baltic Sea from the Atlantic, colonising extensively throughout the species’ distribution. The dominance of this haplotype is seen in the low overall haplotype diversity ( H d = 0.29). Moreover, there is indication of few spatially aggregated patterns in the deeper demographic time scales ( F ct = 0.040; F st = 0.049). Tajima’s D (−0.685, p-value 0.297) and Fu’s F S (0.267, p-value 0.591) showed no significant signals of extreme demographic changes. The Baltic Sea free-living Fucus is confirmed as F. vesiculosus or a closely related species. Haplotype diversities are comparable between forms (attached H d = 0.306; free-living H d = 0.268). The relatively short temporal scale for colonisation alongside low variance in the Fucus mitochondrial genome results in a rather panmictic structure across the Baltic Sea. Our data suggest that the mitochondrial intergenic spacer and 23S poorly describe the evolutionary dynamics of Fucus spp. in such a young, postglacial environment, yet this concatenated-barcode advances our understanding of the colonisation dynamics of F. vesiculosus over deeper demographic timescales.

November 1, 2022

Molecular and morphological characterization of Digenea (Rhodomelaceae, Rhodophyta) in the Mexican Atlantic

Martha Isabel Vilchis, Oscar E. Hernández, Abel Sentíes, Kurt M. Dreckmann, María Luisa Núñez Resendiz, Ileana Ortegón-Aznar

Page range: 433-442

Abstract

Digenea is a widely distributed genus in the Mexican Atlantic, and until a few years ago the only morphospecies D. simplex was recorded. Recent molecular research on this species from a locality in the Mexican Caribbean revealed the new species D. mexicana , whose morphological similarity with specimens from Gulf of Mexico suggests that its distribution range could extend to this area. The aim of this work was to characterize the molecular and morphological characters of Digenea specimens from different sites in the Mexican Atlantic, to confirm this hypothesis and even reveal the presence of new species or records for the country. Our phylogenetic analysis of COI-5P and rbc L markers revealed a new record of D. arenahauriens in Mexico and confirm the presence of D. mexicana in the southern Gulf of Mexico. The species delimitation methods showed potential new species for Australia, Japan, and Brazil. The true D. simplex was not recorded molecularly for Mexico. Morphological comparisons indicated an overlap among most of the species of the genus. Future studies about molecular and morphological characterization of Digenea specimens from around the world could help to clarify the problem of specific delimitation, and even reveal new species for the genus.

Chemistry and Applications

October 24, 2022

Kelp nursery optimisation: density-dependent effects in early life-cycle stages of Ecklonia radiata (Laminariales)

Jakop Schwoerbel, Wouter Visch, Jeffrey T. Wright, Alecia Bellgrove, J. Craig Sanderson, Catriona MacLeod, Catriona L. Hurd

Page range: 443-452

Abstract

Kelp aquaculture is an emerging industry outside of Asia. To be successful, this industry requires a reliable production of seedstock, the optimisation of which greatly benefits from a detailed physiological understanding of the microscopic life-cycle stages of the cultured species. This study investigated the impact of six zoospore densities (10–278 mm −2 ) on the subsequent development of Ecklonia radiata gametophytes and sporophytes. The results showed that germination rates and sex ratio were unaffected by initial zoospore density, but there were significant effects on gametophyte size and sporophyte production. After two weeks, female gametophytes were largest at an initial zoospore density of 40 mm −2 while male gametophytes grew largest at densities below 40 mm −2 , but after four weeks gametophyte size showed a negative relationship with initial zoospore density. Significantly more sporophytes developed at initial zoospore densities below 40 individuals mm −2 and no sporophytes were observed at the highest density (271 zoospores mm −2 ). These results clearly show the importance of initial zoospore density in optimising the nursery stage of kelp aquaculture.

Corrigendum

Publicly Available October 31, 2022

Corrigendum to: Morphological and molecular studies on the genus Gayralia (Ulotrichales, Chlorophyta) in northeastern Brazil with expansion of its species distribution

Sebastiana Lidielda Albuquerque da Silva, Jhullyrson Osman Ferreira Brito, Sonia Barreto Pereira, Watson Arantes Gama, Wilson José da Silva Junior, Ana Maria Benko-Iseppon, Valéria Cassano

Page range: 453-453

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Ahead of Print / Just Accepted

Ahead of Print / Just Accepted

Volume 65 (2022)

Volume 64 (2021)

Volume 63 (2020)

Volume 62 (2019)

Volume 61 (2018)

Volume 60 (2017)

Volume 59 (2016)

Volume 58 (2015)

Volume 57 (2014)

Volume 56 (2013)

Volume 55 (2012)

Volume 54 (2011)

Volume 53 (2010)

Volume 52 (2009)

Volume 51 (2008)

Volume 50 (2007)

Volume 49 (2006)

Volume 48 (2005)

Volume 47 (2004)

Volume 46 (2003)

Volume 45 (2002)

Volume 44 (2001)

Volume 43 (2000)

Volume 42 (1999)

Volume 37 (1994)

Volume 36 (1993)

Volume 35 (1992)

Volume 34 (1991)

Volume 33 (1990)

Volume 32 (1989)

Volume 31 (1988)

Volume 30 (1987)

Volume 29 (1986)

Volume 28 (1985)

Volume 27 (1984)

Volume 26 (1983)

Volume 25 (1982)

Volume 24 (1981)

Volume 23 (1980)

Volume 22 (1979)

Volume 21 (1978)

Volume 20 (1977)

Volume 19 (1976)

Volume 18 (1975)

Volume 17 (1974)

Volume 16 (1973)

Volume 15 (1972)

Volume 14 (1971)

Volume 13 (1970)

Volume 12 (1969)

Issue 1-4

Volume 11 (1968)

Issue 1-4

Volume 10 (1967)

Volume 9 (1966)

Volume 8 (1965)

Volume 6 (1964)

Volume 7 (1964)

Issue 1-4

Volume 5 (1963)

Volume 4 (1962)

Volume 3 (1962)

Volume 2 (1961)

Volume 1 (1960)

5-year Impact Factor	1.894
Cite Score	3.0
Impact Factor	2.095
Journal Citation Indicator	0.43
SCImago Journal Rank	0.432
Source Normalized Impact per Paper	0.717

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Editorial

Editor-in-Chief
Matthew J. Dring (Belfast/Portaferry, Northern Ireland)

Associate Editors
Roger Huerlimann (Townsville, Australia)
Ka-Lai Pang (Keelung, Taiwan)
Thomas Wichard (Jena, Germany)
　

Editorial Board
Charles D. Amsler (Birmingham, USA)
Inka Bartsch (Bremerhaven, Germany)
John A. Berges (Milwaukee, USA)
Sung Min Boo (Daejeon, Korea)
Olivier De Clerck (Ghent, Belgium)
Pilar Díaz-Tapia (A Coruña, Spain)
Jeffrey L. Gaeckle (Olympia, USA)
Catriona Hurd (Hobart, Australia)
Frithjof C. Küpper (Aberdeen, Scotland, UK)
Gavin W. Maneveldt (Bellville, South Africa)
Narongrit Muangmai (Bangkok, Thailand)
Shaojun Pang (Qingdao, China)
Michel Poulin (Ottawa, Canada)
Dagmar Stengel (Galway, Ireland)
Michael J. Wynne (Ann Arbor, USA)

Editorial Office
Gunda Stöber
De Gruyter
Genthiner Str. 13
10785 Berlin, Germany
Tel. +49-30-26005-279
E-mail: bot.mar.editorial@degruyter.com

(Deutsch)

Online ISSN: 1437-4323
Print ISSN: 0006-8055
Type: Journal
Language: English
Publisher: De Gruyter
First published: January 1, 1959
Publication Frequency: 6 Issues per Year
Audience: Scientists in all fields of marine phycology, seagrass and mangrove biology, marine mycology, marine microbiology and related areas