Assessment of the habitat conditions of a rare and endangered inland saline wetland community with Bolboschoenus maritimus (L.) Palla dominance in Southeastern Europe: the effects of physical–chemical water and soil properties

Ljevnaić‐Mašić, Branka; Putnik-Delić, Marina; Nikolić, Ljiljana; Brdar-Jokanović, Milka; Čabilovski, Ranko; Ćirić, Vladimir; Petrović, Aleksandra

doi:10.1007/s11273-020-09721-4

Cited by 10 publications

(9 citation statements)

References 37 publications

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“…Issues regarding nutrients and eutrophication in natural or artificial lakes, and other water courses (e.g., rivers, drainage canal networks), are present in Serbia and surrounding regions with similar agroecological conditions, especially in predominantly agricultural lowlands such as Vojvodina [25,37,38,[58][59][60][61][62][63][64]. Such waterbodies face additional challenges, as they consist of finely structured sediments loaded with high concentrations of nutrients that interact between their solid and liquid matrices [1,22,33,[65][66][67].…”

Section: Introductionmentioning

confidence: 99%

“…For most of the year, the channels are calm and shallow, with low flows; however, exposure to the effects of non-point source pollution from surrounding agricultural lands, as well as municipal and industrial sources, leads to dominantly untreated wastewaters stemming from these networks. These pollution sources potentially release significant amounts of N and P into the canal network of the HS DTD, while environmental conditions favor the occurrence and development of eutrophication [25,37,38,59,61,63].…”

Section: Introductionmentioning

confidence: 99%

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Nitrogen and Phosphorus Concentrations and Their Ratios as Indicators of Water Quality and Eutrophication of the Hydro-System Danube–Tisza–Danube

et al. 2022

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Conserving clean and safe freshwater is a global challenge, with nitrogen (N) and phosphorus (P) as frequent limiting factors affecting water quality due to eutrophication. This paper provides a critical overview of the spatiotemporal variability in both nutrient concentrations and their total mass ratio (TN:TP) in the canal network of the Hydro system Danube–Tisza–Danube at 21 measuring locations monitored by the Environmental Protection Agency of the Republic of Serbia over a length of almost 1000 km, collected once a month during the last decade. A spatiotemporal variation in nutrient concentrations in the tested surface water samples was confirmed by correlations and cluster analyses. The highest TN concentrations were found in winter and early spring (non-vegetation season), and the highest TP concentrations in the middle of the year (vegetation season). The TN:TP mass ratio as an indicator of the eutrophication pointed out N and P co-limitation (TN:TP 8–24) in 64% of samples, N limitation (TN:TP < 8) was detected in 27% and P limitation (TN:TP > 24) in the remaining 9% of water samples. Such observations indicate slow-flowing, lowland water courses exposed to the effects of non-point and point contamination sources as nutrient runoff from the surrounding farmlands and/or urban and industrial zones, but further investigation is needed for clarification. These results are an important starting point for reducing N and P runoff loads and controlling source pollution to improve water quality and underpin recovery from eutrophication in the studied watershed.

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Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Nitrogen and Phosphorus Concentrations and Their Ratios as Indicators of Water Quality and Eutrophication of the Hydro-System Danube–Tisza–Danube

et al. 2022

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“…Plants of genus Bolboschoenus are commonly distributed in saline wetlands, and often occupy a wide range of habitats, including both coastal and inland salt marshes (Ljevnaić-Mašić et al, 2020). The ecological properties of these species such as their dispersal abilities and distribution as well as their relationships with habitat conditions, have been are investigated (Hroudová et al, 2007;Píšová et al, 2017).…”

Section: Introductionmentioning

confidence: 99%

“…Meanwhile, comparisons of the salinity tolerance of B. planiculmis to that of other Bolboschoenus species indicates that the broader extent of its phenotypic plasticity enables it to inhabit and extend its range to saline habitats ( Hroudová et al, 2014 ). It has also been reported that both B. yagara and B. planiculmis communities are not adaptive to saline habitats, but are able to become established in eutrophic freshwater habitats and those with a fluctuating water level, as well as in arable land with a rich nutrient supply ( Ljevnaić-Mašić et al, 2020 ). Thus, the ecological adaptation mechanism that occurs in Bolboschoenus species growing in different conditions is not precisely known.…”

Section: Introductionmentioning

confidence: 99%

Morphological and Physiological Traits Related to the Response and Adaption of Bolboschoenus planiculmis Seedlings Grown Under Salt-Alkaline Stress Conditions

Gao

Tong

et al. 2021

Front. Plant Sci.

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Soil saline-alkalization is expanding and becoming a serious threat to the initial establishment of plants in inland salt marshes on the Songnen Plain in Northeast China. Bolboschoenus planiculmis is a key wetland plant in this area, and its root tubers provide food for an endangered migratory Siberian crane (Grus leucogeranus). However, the survival of this plant in many wetlands is threatened by increased soil saline-alkalization. The early establishment of B. planiculmis populations under salt and alkaline stress conditions has not been well understood. The aim of this study was to investigate the response and adaption of the seedling emergence and growth of B. planiculmis to salt-alkaline mixed stress. In this study, B. planiculmis root tubers were planted into saline-sodic soils with five pH levels (7.31–7.49, 8.48–8.59, 9.10–9.28, 10.07–10.19, and 10.66–10.73) and five salinity levels (40, 80, 120, 160, and 200 mmol⋅L–1). The emergence and growth metrics, as well as the underlying morphological and physiological traits in response to salt-alkaline stress were explored for 2-week-old seedlings. The seedling emergence, growth, and leaf and root traits showed distinct responses to the pH and salt gradients. Under the lower saline-alkaline condition (pH ≤ 9.10–9.28 and salinity ≤ 80 mmol⋅L–1), the seedling growth was substantially facilitated or not significantly altered. Salinity affected the seedlings more significantly than alkalinity did. In particular, among the salt ions, the Na+ concentration had predominantly negative effects on all the morphological and physiological traits of the seedlings. Seedling emergence was more tolerant to salinity and, based on its observed close relationships with pH and the alkaline ion CO32–, was highly alkalinity-dependent. Moreover, the leaf area and photosynthetic rate, as well as the root surface area and tip number mainly accounted for the response of the seedling biomass to salt-alkaline stress. This is evidence of the adaption of B. planiculmis to saline-alkaline conditions largely due to the responses of its morphological and physiological traits. This study provides a mechanistic process-based understanding of the early seedling establishment of B. planiculmis populations in response to increased soil saline-alkalization in natural wetlands.

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“…Bolboschoenus maritimus dominates reed vegetation of saline waters both along the seashore and inland saltwater bodies in Central Europe [64] as well as in other parts of the world [65]. In the Czech Republic, it is a rare species with declining occurrence [62] concentrated to the remains of saline wetlands in dry and warm areas of southern Moravia and central and north-western Bohemia [66].…”

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confidence: 99%

Impact of Water Level on Species Quantity and Composition Grown from the Soil Seed Bank of the Inland Salt Marsh: An Ex-Situ Experiment

Čížková

Navrátilová

Martinát

et al. 2020

Land

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The near elimination of inland salt marshes in Central Europe occurred throughout the 19th and 20th centuries, and the currently remaining marshes exist in a degraded condition. This work examines the impact of groundwater level on the growth of plants from a seed bank obtained from a degraded salt marsh in proximity to still existing one through an ex-situ experiment. An experimental tank was set up with the sample seed bank experiencing differing levels of water level. There were 1233 specimens of 44 taxa grown from the seed bank, of which 5 species were abundant, and 10 species are considered as halophytes. Only Lotus tenuis from halophytes was more abundant, and only five species of halophytes were represented by more than three individuals. The water level has a significant impact on the number of species (based on linear regression analysis) as well as species distribution among different water level treatments (a non-metric multidimensional analysis (nMDS) followed by linear regression). The results show a strong negative relationship between the average water level and the number of species. The water level did not affect the species composition of halophytes, but differences in individual species abundances were found among the halophytes. The species Bupleurum tenuissimum, Crypsis schoenoides, Melilotus dentatus, and Plantago maritima grew on the drier and non-inundated soils. Tripolium pannonicum, Spergularia maritima, and Lotus tenuis grew on both wet and dry soils. Trifolium fragiferum and Bolboschoenus maritimus were found in places with water stagnant at the soil level. Pulicaria dysenterica grew in inundated soil.

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Assessment of the habitat conditions of a rare and endangered inland saline wetland community with Bolboschoenus maritimus (L.) Palla dominance in Southeastern Europe: the effects of physical–chemical water and soil properties

Cited by 10 publications

References 37 publications

Nitrogen and Phosphorus Concentrations and Their Ratios as Indicators of Water Quality and Eutrophication of the Hydro-System Danube–Tisza–Danube

Nitrogen and Phosphorus Concentrations and Their Ratios as Indicators of Water Quality and Eutrophication of the Hydro-System Danube–Tisza–Danube

Morphological and Physiological Traits Related to the Response and Adaption of Bolboschoenus planiculmis Seedlings Grown Under Salt-Alkaline Stress Conditions

Impact of Water Level on Species Quantity and Composition Grown from the Soil Seed Bank of the Inland Salt Marsh: An Ex-Situ Experiment

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