Alkaline soda Lake Velika Rusanda (Serbia): the first insight into diatom diversity of this extreme saline lake

Vidaković, Danijela; Krizmanić, Jelena; Dojčinović, Biljana; Pantelić, Ana; Gavrilovic, Bojan; Živanović, Milica; Novaković, Boris; Ćirić, Miloš

doi:10.1007/s00792-019-01088-6

Cited by 12 publications

(17 citation statements)

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“…The various aquatic communities (such as benthic and planktic algae, zooplankton and macroinvertebrates) of these ecosystems are exposed to extreme physical and chemical stress (strongly alkaline pans with high conductivity, nutrient concentration, turbidity, and diurnal temperature variation) (Boros, ; Stenger‐Kovács et al, ), all of which may play a decisive role in selection of a given species (Horváth et al, ) able to survive under such circumstances (Pálffy et al, ). This strong environmental filter causes a low degree of α‐diversity in alkaline lakes, not only in the case of benthic communities (Stenger‐Kovács, Hajnal, Lengyel, Buczkó, & Padisák, ), but also in planktic communities (Nkambo et al, ; Vidaković et al, ; Vignatti, Paggi, Cabrera, & Echaniz, ). However, the degree of β‐diversity found in these communities, primarily determined by the environmental variables, is high due to species turnover (Szabó, Lengyel, Padisák, Vass, & Stenger‐Kovács, ); this is true even in sodic anthropogenic, bomb crater ponds (Vad et al, ).…”

Section: Introductionmentioning

confidence: 99%

Trait‐based diatom functional diversity as an appropriate tool for understanding the effects of environmental changes in soda pans

Stenger‐Kovács

Lengyel

Buczkó

et al. 2019

Ecology and Evolution

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Saline lakes, among the most seriously endangered ecosystems, are threatened due to climate change and human activities. One valuable feature of these environments is that they constitute areas of high biodiversity. Ecologists are, therefore, under great pressure to improve their understanding of the effects of natural and anthropogenic disturbances on the biodiversity of saline lakes. In this study, a total of 257 samples from 32 soda pans in Central Europe between 2006 and 2015 were examined. The effects of environmental variables and of geographical and limnoecological factors on functional diversity were analyzed. Furthermore, the explanatory power of the trait-based approach was assessed, and the applicability of the indices for biomonitoring purposes was determined. It was found that low habitat heterogeneity and harsh environments lead to the selection of a small number of suitable traits, and consequently, to a naturally low level of functional diversity. Anthropogenic activities enhance diversity at functional level due to the shift toward freshwater characteristics. On the regional scale, the effects of the region and status (natural, degraded, reconstructed) on diatom functional diversity were significant and more pronounced than that of the environmental and other limnoecological factors. The degree of variance found in functional diversity ascribed to environmental variables is five times greater in the case of the application of a trait-based approach, than when a taxonomic one is employed in the literature. Each of the tested functional diversity indices was sensitive to the most important environmental variables. Furthermore, these were type-specific and proved to be more complex indicators than taxonomic metrics. It is possible to suggest four functional diversity indices (FGR, FRic, FDis, and FDiv) which emphasize their independence from substrate and seasonal variations for ecological status assessment and conservation planning. K E Y W O R D Sconservation, diversity indices, ecological status, environmental constrains, saline ecosystems | 321 STENGER-KOVÁCS ET al.

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Section: Introductionmentioning

confidence: 99%

Trait‐based diatom functional diversity as an appropriate tool for understanding the effects of environmental changes in soda pans

Stenger‐Kovács

Lengyel

Buczkó

et al. 2019

Ecology and Evolution

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“…Gavrilović et al (2018) provide an overview of diatom research in this type of habitat in Serbia. However, a detailed study has been done only on Lake Velika Rusanda, an alkaline soda lake, where 27 diatom taxa were recorded (Vidaković et al 2019). Similar investigations were carried out in Romania on the saline lakes Lacul Dulce and Lacul Sulfuros, where 80 and 97 diatom taxa were found, respectively (Nagy et al 2006(Nagy et al , 2008.…”

Section: Discussionmentioning

confidence: 97%

“…1 -Gyrosigma macrum; 2 -Nitzschia pellucida; 3 -Caloneis permagna; 4 -Pinnularia subgibba var. undulata; 5 -P. eifelana; 6 -Haslea spicula; 7-9 -Achnanthidium saprophilum; 10 -Pinnularia ammerensis; 13,15,18,21, 2015; Vidaković et al 2019). The majority of taxa in saline habitats represent sporadic or rare species with little floristic importance (Ros et al 2009;Stenger-Kovács & Lengyel 2015).…”

Section: Discussionmentioning

confidence: 99%

“…These waters usually have higher turbidity, and the light-limiting conditions create a competitive advantage for small-sized organisms (Földi et al 2018). However, athalassohaline waters can also support diverse diatom communities, in both the benthos and the epiphyton (Vidaković et al 2019). Even though some investigations have dealt with diatom diversity in salt ponds and marshes in Serbia (Gavrilović et al 2018), there is an urgent need for one comprehensive study that will include all salt habitats in Vojvodina.…”

Section: Introductionmentioning

confidence: 99%

“…Even though some investigations have dealt with diatom diversity in salt ponds and marshes in Serbia (Gavrilović et al 2018), there is an urgent need for one comprehensive study that will include all salt habitats in Vojvodina. Vidaković et al (2019) recently published the first diatom list for Lake Velika Rusanda, one of the largest saline lakes in Serbia. There is evidence that diatoms can be used as bioindicators in assessment of the ecological status of saline lakes (Lengyel et al 2016), so a better understanding of diatom community structure can support our efforts to protect these habitats from their further degradation and loss (Ács et al 2019).…”

Section: Introductionmentioning

confidence: 99%

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First finding of a genus Haslea Simonsen in Serbia and new diatom taxa for the country's flora in extreme and unique habitats in the Vojvodina Province

2020

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Salt habitats are extreme and unique environments found from Austria through Hungary to the Vojvodina Province in Serbia. In our study, we investigated eight saline habitats (channeled salt marshes, moist salt meadows and saline ponds), from which we collectedplankton, epipelic and epiphytic diatoms. Seventeen diatom taxa new for the Serbian diatom flora were recorded. In addition, the genus Haslea, with one species (H. spicula), was recorded for the first time in Serbia. The identified taxa were sporadic or rare in the samples.

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Algae in Shallow and Small Water Bodies of Serbia: A Frame for Species and Habitat Protection

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The shallow aquatic ecosystems of Serbia are treasuries of algal biodiversity, unfairly neglected in both scientific studies and legislation concerning species and habitat protection. Underestimating the algal diversity in these ecosystems derives primarily from poor knowledge and/or interest in algal taxonomy and phylogeny, as well as ignorance of their role in the maintenance of ecosystem equilibrium and in the bioindication of water quality. The issue of conserving algae (i.e. their habitats) is challenging due to many aspects, including the problematic biogeography concept (particularly for microalgae), low taxonomic resolution of available data, and undersampling. Still, progress in the conservation of algae is noticeable worldwide. Although macroalgae are mainly recognized as endangered and protected species, they are still overlooked in conservation management in Serbia. Simultaneously, the data on microalgal diversity in shallow and small water bodies are scarce and sporadic. There are no long term monitoring programs towards recognizing the remarkable algal diversity characteristic for these habitats. This chapter offers an overview of the biodiversity of algae-both microscopic and macroscopic in shallow and small water bodies of Serbia, along with the frame and guidelines for protecting algae and their habitats.

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Alkaline soda Lake Velika Rusanda (Serbia): the first insight into diatom diversity of this extreme saline lake

Cited by 12 publications

References 16 publications

Trait‐based diatom functional diversity as an appropriate tool for understanding the effects of environmental changes in soda pans

Trait‐based diatom functional diversity as an appropriate tool for understanding the effects of environmental changes in soda pans

First finding of a genus Haslea Simonsen in Serbia and new diatom taxa for the country's flora in extreme and unique habitats in the Vojvodina Province

Algae in Shallow and Small Water Bodies of Serbia: A Frame for Species and Habitat Protection

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