Protected Freshwater Ecosystem with Incessant Cyanobacterial Blooming Awaiting a Resolution

Nada Tokodi; Damjana Drobac Backović; Jelena Lujić; Ilija Šćekić; Snežana Simić; Nevena Đorđević; Tamara Dulic; Branko Miljanović; Nevena Kitanović; Zoran Marinović; Henna Savela; Jussi Meriluoto; Zorica Svirčev

doi:10.3390/w12010129

Protected Freshwater Ecosystem with Incessant Cyanobacterial Blooming Awaiting a Resolution

Nada Tokodi, Damjana Drobac Backović, Jelena Lujić, Ilija Šćekić, Snežana Simić, Nevena Đorđević, Tamara Dulic, Branko Miljanović, Nevena Kitanović, Zoran Marinović, Henna Savela, Jussi Meriluoto, Zorica Svirčev

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Abstract

For 50 years persistent cyanobacterial blooms have been observed in Lake Ludoš (Serbia),a wetland area of international significance listed as a Ramsar site. Cyanobacteria and cyanotoxinscan affect many organisms, including valuable flora and fauna, such as rare and endangered birdspecies living or visiting the lake. The aim was to carry out monitoring, estimate the current statusof the lake, and discuss potential resolutions. Results obtained showed: (a) the poor chemical stateof the lake; (b) the presence of potentially toxic (genera Dolichospermum, Microcystis, Planktothrix,Chroococcus, Oscillatoria, Woronichinia and dominant species Limnothrix redekei and Pseudanabaenalimnetica) and invasive cyanobacterial species Raphidiopsis raciborskii; (c) the detection of microcystin(MC) and saxitoxin (STX) coding genes in biomass samples; (d) the detection of several microcystinvariants (MC-LR, MC-dmLR, MC-RR, MC-dmRR, MC-LF) in water samples; (e) histopathologicalalterations in fish liver, kidney and gills. The potential health risk to all organisms in the ecosystemand the ecosystem itself is thus still real and present. Although there is still no resolution in sight,urgent remediation measures are needed to alleviate the incessant cyanobacterial problem in LakeLudoš to break this ecosystem out of the perpetual state of limbo in which it has been trapped forquite some time.

Original language	English
Pages (from-to)	–
Journal	Water
Volume	12
Issue number	1
DOIs	https://doi.org/10.3390/w12010129
Publication status	Published - 2020
MoE publication type	A1 Journal article-refereed

Keywords

plankton blooms
microcystin
cyanobacteria
harmful algal blooms
Cyanotoxins

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@article{04cc0e65a0d74669b6fd80da9214da06,

title = "Protected Freshwater Ecosystem with Incessant Cyanobacterial Blooming Awaiting a Resolution",

abstract = " For 50 years persistent cyanobacterial blooms have been observed in Lake Ludo{\v s} (Serbia),a wetland area of international significance listed as a Ramsar site. Cyanobacteria and cyanotoxinscan affect many organisms, including valuable flora and fauna, such as rare and endangered birdspecies living or visiting the lake. The aim was to carry out monitoring, estimate the current statusof the lake, and discuss potential resolutions. Results obtained showed: (a) the poor chemical stateof the lake; (b) the presence of potentially toxic (genera Dolichospermum, Microcystis, Planktothrix,Chroococcus, Oscillatoria, Woronichinia and dominant species Limnothrix redekei and Pseudanabaenalimnetica) and invasive cyanobacterial species Raphidiopsis raciborskii; (c) the detection of microcystin(MC) and saxitoxin (STX) coding genes in biomass samples; (d) the detection of several microcystinvariants (MC-LR, MC-dmLR, MC-RR, MC-dmRR, MC-LF) in water samples; (e) histopathologicalalterations in fish liver, kidney and gills. The potential health risk to all organisms in the ecosystemand the ecosystem itself is thus still real and present. Although there is still no resolution in sight,urgent remediation measures are needed to alleviate the incessant cyanobacterial problem in LakeLudo{\v s} to break this ecosystem out of the perpetual state of limbo in which it has been trapped forquite some time. ",

keywords = "plankton blooms, microcystin, cyanobacteria, harmful algal blooms, Cyanotoxins, plankton blooms, microcystin, cyanobacteria, harmful algal blooms, Cyanotoxins, plankton blooms, microcystin, cyanobacteria, harmful algal blooms, Cyanotoxins",

author = "Nada Tokodi and {Drobac Backovi{\'c}}, Damjana and Jelena Luji{\'c} and Ilija {\v S}{\'c}eki{\'c} and Sne{\v z}ana Simi{\'c} and Nevena {\D}or{\d}evi{\'c} and Tamara Dulic and Branko Miljanovi{\'c} and Nevena Kitanovi{\'c} and Zoran Marinovi{\'c} and Henna Savela and Jussi Meriluoto and Zorica Svir{\v c}ev",

year = "2020",

doi = "10.3390/w12010129",

language = "English",

volume = "12",

pages = "–",

journal = "Water",

issn = "2073-4441",

publisher = "MDPI",

number = "1",

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TY - JOUR

T1 - Protected Freshwater Ecosystem with Incessant Cyanobacterial Blooming Awaiting a Resolution

AU - Tokodi, Nada

AU - Drobac Backović, Damjana

AU - Lujić, Jelena

AU - Šćekić, Ilija

AU - Simić, Snežana

AU - Đorđević, Nevena

AU - Dulic, Tamara

AU - Miljanović, Branko

AU - Kitanović, Nevena

AU - Marinović, Zoran

AU - Savela, Henna

AU - Meriluoto, Jussi

AU - Svirčev, Zorica

PY - 2020

Y1 - 2020

N2 - For 50 years persistent cyanobacterial blooms have been observed in Lake Ludoš (Serbia),a wetland area of international significance listed as a Ramsar site. Cyanobacteria and cyanotoxinscan affect many organisms, including valuable flora and fauna, such as rare and endangered birdspecies living or visiting the lake. The aim was to carry out monitoring, estimate the current statusof the lake, and discuss potential resolutions. Results obtained showed: (a) the poor chemical stateof the lake; (b) the presence of potentially toxic (genera Dolichospermum, Microcystis, Planktothrix,Chroococcus, Oscillatoria, Woronichinia and dominant species Limnothrix redekei and Pseudanabaenalimnetica) and invasive cyanobacterial species Raphidiopsis raciborskii; (c) the detection of microcystin(MC) and saxitoxin (STX) coding genes in biomass samples; (d) the detection of several microcystinvariants (MC-LR, MC-dmLR, MC-RR, MC-dmRR, MC-LF) in water samples; (e) histopathologicalalterations in fish liver, kidney and gills. The potential health risk to all organisms in the ecosystemand the ecosystem itself is thus still real and present. Although there is still no resolution in sight,urgent remediation measures are needed to alleviate the incessant cyanobacterial problem in LakeLudoš to break this ecosystem out of the perpetual state of limbo in which it has been trapped forquite some time.

AB - For 50 years persistent cyanobacterial blooms have been observed in Lake Ludoš (Serbia),a wetland area of international significance listed as a Ramsar site. Cyanobacteria and cyanotoxinscan affect many organisms, including valuable flora and fauna, such as rare and endangered birdspecies living or visiting the lake. The aim was to carry out monitoring, estimate the current statusof the lake, and discuss potential resolutions. Results obtained showed: (a) the poor chemical stateof the lake; (b) the presence of potentially toxic (genera Dolichospermum, Microcystis, Planktothrix,Chroococcus, Oscillatoria, Woronichinia and dominant species Limnothrix redekei and Pseudanabaenalimnetica) and invasive cyanobacterial species Raphidiopsis raciborskii; (c) the detection of microcystin(MC) and saxitoxin (STX) coding genes in biomass samples; (d) the detection of several microcystinvariants (MC-LR, MC-dmLR, MC-RR, MC-dmRR, MC-LF) in water samples; (e) histopathologicalalterations in fish liver, kidney and gills. The potential health risk to all organisms in the ecosystemand the ecosystem itself is thus still real and present. Although there is still no resolution in sight,urgent remediation measures are needed to alleviate the incessant cyanobacterial problem in LakeLudoš to break this ecosystem out of the perpetual state of limbo in which it has been trapped forquite some time.

KW - plankton blooms

KW - microcystin

KW - cyanobacteria

KW - harmful algal blooms

KW - Cyanotoxins

KW - plankton blooms

KW - microcystin

KW - cyanobacteria

KW - harmful algal blooms

KW - Cyanotoxins

KW - plankton blooms

KW - microcystin

KW - cyanobacteria

KW - harmful algal blooms

KW - Cyanotoxins

U2 - 10.3390/w12010129

DO - 10.3390/w12010129

M3 - Article

SN - 2073-4441

VL - 12

SP - –

JO - Water

JF - Water

IS - 1

ER -

Protected Freshwater Ecosystem with Incessant Cyanobacterial Blooming Awaiting a Resolution

Abstract

Keywords

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