<i>Aulacoseira kruegeriana</i> (Diatomeae, Coscinodiscophyceae): a new centric diatom from high-elevation Andean rivers and streams of Bolivia

Morales, Eduardo A.; Rivera, Sinziana F.; Rubin, Sergio; Vis, Morgan L.; Houk, Václav

doi:10.1080/0269249x.2015.1076523

Cited by 5 publications

(2 citation statements)

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“…Although Aulacoseira species have been widely studied, mainly in temperate regions (e.g., Krammer & Lange-Bertalot 1991, Siver & Kling 1997, Houk 2003, Houk & Klee 2007, Potapova et al 2008, Tuji 2010, the genus remains poorly known in South America. Only Oliveira & Steinitz- Kannan (1992), Sala et al (1999Sala et al ( , 2002Sala et al ( , 2008, Metzeltin & Lange-Bertalot (2007), Tremarin et al (2011Tremarin et al ( , 2012Tremarin et al ( , 2013aTremarin et al ( , b, 2014a, Dunck et al (2012), Wetzel et al (2014) and Morales et al (2015) include some considerations of selected species occurring in tropical South America. In Brazil, 25 species have been reported (Tremarin et al 2014a, b), 8 of which were originally described from Brazilian material (Hustedt 1965, Tremarin *Corresponding author.…”

Section: Introductionmentioning

confidence: 99%

Ecology and distribution ofAulacoseiraspecies (Bacillariophyta) in tropical reservoirs from Brazil

et al. 2016

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Ecological preferences and distribution of Aulacoseira species in southeastern Brazilian reservoirs with varying trophic states were studied. One hundred and fourteen plankton samples (winter and summer) from 57 sites located in 16 reservoirs were analysed. Ten water quality parameters were measured. Ten Aulacoseira species were identified using light, scanning and transmission electron microscopy, and new information on their ecological preferences is provided here. Our results indicate that trophic gradient is the main driver of species distribution. Principal components analysis and calculation of weighted average nutrient optima revealed three indicator taxa, Aulacoseira tenella characteristic for oligotrophic waters and two varieties of Aulacoseira granulata (nominate and var. angustissima) typical for eutrophic reservoirs. This is the first ecological study of Aulacoseira in Brazil, adding information on the distribution of this genus in the tropics, and highlighting the need for species-level identification and regional studies to improve the use of diatoms in water quality assessment.

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Section: Introductionmentioning

confidence: 99%

Ecology and distribution ofAulacoseiraspecies (Bacillariophyta) in tropical reservoirs from Brazil

et al. 2016

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“…Diversity in the genus is still being discovered; at least 15 new species have been recently described or transferred (English & Potapova, 2009;Houk, 2007;Morales, Rivera, Dc Rubin, Vis, & Houk, 2015;Novelo, Tavera, & Ibarra, 2007;Pearce, Cremer, & Wagner-Cremer, 2010;Tanaka, Nagumo, & Akiba, 2008;Tremarin, Ludwig, & Torgan, 2012, 2014Tremarin, Paiva, Ludwig, & Torgan, 2013;Usoltseva & Tsoy, 2010;Van de Vijver, 2012). Given such high species richness, Aulacoseira species are found from low-gradient eutrophic (Leland & Porter, 2000) to oligotrophic high-gradient montane rivers (Morales et al, 2015), deep oligotrophic (Jewson & Granin, 2015) to shallow eutrophic lakes (Davey, 1987;Gibson, Anderson, & Haworth, 2003), and even in riverine estuaries (Wang et al, 2009). Aulacoseira spans a latitudinal/temperature gradient from lakes in the tropics (Tremarin et al, 2013) to the northern boreal forests (Fallu, Allaire, & Pienitz, 2000).…”

Section: Diatoms As the Next Model Organism In Resurrection Ecologymentioning

confidence: 99%

Paleolimnology and resurrection ecology: The future of reconstructing the past

Burge

Edlund

Frisch

2017

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Paleolimnologists have utilized lake sediment records to understand historical lake and landscape development, timing and magnitude of environmental change at lake, watershed, regional and global scales, and as historical datasets to target watershed and lake management. Resurrection ecologists have long recognized lake sediments as sources of viable propagules (“seed or egg banks”) with which to explore questions of community ecology, ecological response, and evolutionary ecology. Most researchers consider Daphnia as the primary model organism in these efforts, but many other aquatic biota, from viruses to macrophytes, similarly produce viable propagules that are incorporated in the sediment record but have been underutilized in resurrection ecology. The common goals shared by these two disciplines have led to mutualistic and synergistic collaborations—a development that must be encouraged to expand. We give an overview of the achievements of paleolimnology and the reconstruction of environmental history of lakes, review the untapped diversity of aquatic organisms that produce dormant propagules, compare Daphnia as a model of resurrection ecology with other organisms amenable to resurrection studies, especially diatoms, and consider new research directions that represent the nexus of these two fields.

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Aulacoseira konstastinoviisp. nov. andAulacoseira kryloviisp. nov. – two new centric diatoms from South-east Asia

2016

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Aulacoseira kruegeriana (Diatomeae, Coscinodiscophyceae): a new centric diatom from high-elevation Andean rivers and streams of Bolivia

Cited by 5 publications

References 18 publications

Ecology and distribution ofAulacoseiraspecies (Bacillariophyta) in tropical reservoirs from Brazil

Ecology and distribution ofAulacoseiraspecies (Bacillariophyta) in tropical reservoirs from Brazil

Paleolimnology and resurrection ecology: The future of reconstructing the past

Aulacoseira konstastinoviisp. nov. andAulacoseira kryloviisp. nov. – two new centric diatoms from South-east Asia

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