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215 Aktuelle Fachpublikationen von de Gruyter

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Range extension of Mesophyllum engelhartii (Foslie) W.H. Adey (Corallinales; Rhodophyta) to the Gulf of California: Morphology, anatomy and reproduction

13.12.2011 | Rafael Riosmena-Rodríguez; Román Manuel Vásquez-Elizondo, Botanica Marina, 2011

Abstract We report for the first time a range extension of Mesophyllum engelhartii to the eastern Pacific Ocean. We focus on the Gulf of California, where samples were collected in Punta Perico at a depth of 30 m. Tetrasporangial and gametangial materials were found. The material clearly had ...

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Substrate-dependent differences between the structures of epiphytic and epilithic diatom assemblages off the southwestern coast of the Gulf of California

13.12.2011 | Oscar Ubisha Hernández Almeida; David Alfaro Siqueiros Beltrones, Botanica Marina, 2011

Abstract To test the postulate that diatom assemblage structures differ between those growing on macroalgae and those on rocks used as substratum by macroalgae, we analyzed 29 samples of macroalgae and 15 of rocky substrata from localities in Bahía de La Paz, México. Assemblage structure was ...

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Environmental requirements and habitat preferences of phytoplankton: chance and certainty in species selection

13.12.2011 | Colin S. Reynolds, Botanica Marina, 2011

Abstract This paper is written in honour of the influential career of Professor T.J. Smayda. It celebrates the brief, but productive, period in which we collaborated on the formulation of the principles and mechanisms of community assembly in plankton. The topics considered then provide the ...

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Karenia brevis red tides and brevetoxin-contaminated fish: a high risk factor for Florida’s scavenging shorebirds?

13.12.2011 | Michelle van Deventer; Karen Atwood; Gabriel A. Vargo; Leanne J. Flewelling; Jan H. Landsberg; Jerome P. Naar; ..., Botanica Marina, 2011

Abstract Shorebirds, including sanderlings (Calidris alba) and ruddy turnstones (Arenaria interpres), were observed scavenging beached fish, such as thread herring (Opisthonema oglinum), scaled sardine (Harengula jaguana) and mullet (Mugil spp.) killed during a 2005 Karenia brevis red tide along ...

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Iberian intertidal turf assemblages dominated by Erythroglossum lusitanicum (Ceramiales, Rhodophyta): structure, temporal dynamics, and phenology

13.12.2011 | Pilar Díaz Tapia; Ignacio Bárbara; Rodolfo Barreiro, Botanica Marina, 2011

Abstract Erythroglossum lusitanicum is a foliose, turf-forming member of the Delesseriaceae that colonizes sand-covered intertidal rocks on the Atlantic Iberian Peninsula. We examined (i) the phenology of this alga and (ii) the structure and temporal dynamics of its associated flora at two sites ...

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Checklist of marine benthic green algae (Chlorophyta) on Hainan, a subtropical island off the coast of China: comparisons between the 1930s and 1990–2009 reveal environmental changes

13.12.2011 | Eduard A. Titlyanov; Tamara V. Titlyanova; Bangmei Xia; Inka Bartsch, Botanica Marina, 2011

Abstract A complete checklist of intertidal to shallow subtidal marine green seaweeds (Chlorophyta) growing on the subtropical island of Hainan (China) is presented here for the first time. It covers data from extensive recent (1990–2009) and historical (1933–1935) collections, and additional ...

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Notes on marine algae in the International Biosphere Reserve Seaflower, Caribbean Colombian I: new records of macroalgal epiphytes on the seagrass Thalassia testudinum

13.12.2011 | Margarita Rosa Albis-Salas; Brigitte Gavio, Botanica Marina, 2011

Abstract Six species of macroalgae are newly reported for the Caribbean International Biosphere Reserve Seaflower. All the algae were found growing epiphytically on Thalassia testudinum in shallow ...

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Ceramium cormacii sp. nov. (Ceramiaceae, Rhodophyta), a new Mediterranean species epizoic on loggerhead sea turtles (Caretta caretta)

13.12.2011 | Donatella Serio; Marcello Catra; Daria Collodoro; Alessandro Nisi, Botanica Marina, 2011

Abstract Ceramium cormacii is newly described based on both vegetative and tetrasporangial features of specimens growing on loggerhead sea turtles (Caretta caretta) from the Mediterranean Sea. The new species is characterised by both prostrate and erect axes (9–12mm high), dichotomously to ...

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Life history of Chaetomorpha valida (Cladophoraceae, Chlorophyta) in culture

13.12.2011 | Yunyan Deng; Xiaorong Tang; Bingxin Huang; Lanping Ding, Botanica Marina, 2011

Abstract The marine green alga Chaetomorpha valida (Cladophoraceae, Cladophorales) has been found for several years fouling aquaculture ponds along coasts of the cities Dalian and Rongcheng, P.R. China. Using unialgal culture and microscopic observation, we completed the life history of C. valida ...

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Identification of hypo-osmotically induced genes in Kappaphycus alvarezii (Solieriaceae, Rhodophyta) through expressed sequence tag analysis

13.12.2011 | Chenlin Liu; Xiuliang Wang; Xiaohang Huang; Jianguo Liu, Botanica Marina, 2011

Abstract Hypo-osmotic conditions are among the most stressful environmental factors that affect seaweed physiology and productivity. To improve understanding of hypo-osmotic adaptation and to find genes involved in low salinity stress, we conducted an analysis of expressed sequence tags (ESTs) on ...

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