Comparative Macrophyte Diversity of Waterbodies in the Central European landscape

Bubíková, Kateřina; Hrivnák, Richard

doi:10.1007/s13157-017-0987-0

Cited by 16 publications

(10 citation statements)

References 50 publications

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“…Dredging can influence aquatic vegetation by removing the plant cover and altering the seed bank (Twisk et al 2003;Milsom et al 2004). Detailed information on dredging was not available for all the transects, so we used the thickness of the mud layer measured in each transect in 2015 as a proxy of the time elapsed since dredging because the mud layer is expected to increase with time after a dredging campaign (Botto et al 2000). To consider a possible shading effect of the vegetation from hedges situated along the ditch banks, a hedge cover index was calculated for each sampled ditch bank and then summed.…”

Section: Other Ditch Variablesmentioning

confidence: 99%

Delineating the influence of water conditions and landscape on plant communities in eutrophic ditch networks

Mauchamp

Gore

Paillisson

et al. 2021

Wetlands Ecol Manage

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Marshlands and floodplains are generally characterized by a long history of human occupation and management, with strong impacts on biodiversity. In these landscapes, ditch networks often represent the last or most significant aquatic habitat, and significantly contribute to regional biodiversity. To determine the drivers of biodiversity in ditch networks, especially the importance of the water regime, we monitored vegetation in ditches in 11 sites (independent blocks of ditch networks) of an Atlantic marshland (the Marais poitevin, France) over a 4-year period, and a panel of local environmental conditions and landscape characteristics. Large differences in the species richness and composition of ditch plant communities were observed among sites. The water regime had a predominant effect on all descriptors of ditch plant communities. High water levels combined with strong temporal variability, including drying-out periods, were found associated to the communities with the highest species richness. By contrast, water quality parameters did not influence plant communities across sites. Among landscape variables, woodland cover combined with high hedge cover along the ditches significantly influenced plant composition and species richness. These results are discussed in terms of management actions that may promote the diversity and composition of ditch plant communities and address conservation challenges.

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Section: Other Ditch Variablesmentioning

confidence: 99%

Delineating the influence of water conditions and landscape on plant communities in eutrophic ditch networks

Mauchamp

Gore

Paillisson

et al. 2021

Wetlands Ecol Manage

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“…1). The sampling area (100 m 2 at each sampling site) of lotic habitats was determined as length Â width of the water course, with a minimum width of 0.5 m. In ponds, the 100 m 2 sampling area was triangular with the base on the margin and the apex at the centre of the locality (Williams et al, 2004;Bubíková and Hrivnák, 2018). At each locality, all macrophytes (including filamentous algae, stoneworts, bryophytes and vascular plants) were recorded by wading or from boat (depending on the waterbody depth).…”

Section: Study Area and Data Samplingmentioning

confidence: 99%

“…To reduce seasonality, measurements of water conductivity, pH, temperature, oxygen and nutrient content were repeated in September. Mean values based on two measurements were used for the analysis (see also Bubíková and Hrivnák, 2018).…”

Section: Study Area and Data Samplingmentioning

confidence: 99%

Relationships of macrophyte species richness and environment in different water body types in the Central European region

Bubíková

Hrivnák

2018

Ann. Limnol. - Int. J. Lim.

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Individual types of waterbodies are characterised by their specific environmental conditions controlling growth of aquatic macrophytes. We focused on effects of environmental factors on macrophyte species richness in canals, ponds, rivers and streams within Central European region. We employed generalised linear models (GLM) to assess separately overall macrophyte species data and data on wetland species (true aquatic plants and helophytes). No significant difference was revealed by comparing species richness among water body types, though canals were the richest water bodies and streams supported the lowest diversity of macrophytes. The models for all the waterbodies, except streams, contained at least two variables and the explained variability ranged from 37% to 77%. The most recurring variables were the coverage of fine substrate, turbidity, shading by bank and shore trees and shrubs, and altitude. Nevertheless, no obvious pattern of factors was observed for particular water body types. Our study confirmed that aquatic macrophyte species richness is shaped by a complexity of factors and necessity of targeting survey and further generalisation of results not only on one specific water body.

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“…Our limited understanding of the benefits of agricultural measures on freshwater biodiversity is compounded by an almost universal tendency for studies to evaluate success based on a very partial element of the catchment: mainly rivers and streams. We now know that small waterbodies including ponds, springs, headwaters and ditches, typically support a high proportion of the freshwater biodiversity within agricultural catchments (Williams et al, 2004;Céréghino, 2007, Davies et al, 2008, Bubíková and Hrivnák, 2018. Systematically ignoring these habitats when assessing the benefits of mitigation measures can easily lead to a perception bias.…”

Section: Introductionmentioning

confidence: 99%

Nature based measures increase freshwater biodiversity in agricultural catchments

Williams

Biggs

Stoate

et al. 2020

Biological Conservation

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This is the first study that describes the effect of adding mitigation measures on the freshwater biodiversity of all waterbody types in agricultural catchments. We measured alpha (site) and gamma (catchment) richness annually over a nine-year period in all the streams, ponds and ditches in three upper-catchments in the English lowlands, and investigated whether freshwater plant biodiversity could be increased by adding: (i) multi-functional ecosystem services measures to intercept pollutants, store water and promote biodiversity, and, (ii) biodiversity-only protection measures. In the absence of measures, all catchments saw a decline in macrophyte richness during the survey (mean species loss of 1% pa, rare species loss of 2% pa). Ponds were a key habitat with a disproportionate influence on catchment trends. Five years after introducing measures, natural colonisation of ecosystem services waterbodies (dammed streams and ditches, runoff ponds, flood storage ponds) largely cancelled-out the background loss of plant species but, importantly, did not restore the loss of rare plants. Adding clean water ponds as a biodiversity-only enhancement measure brought substantial benefits: increasing total-catchment richness by 26%, and the number of rare plant species by 181%. Populations of spatially restricted species also increased. Adding stream debris-dams as a biodiversity measure did not affect plant richness or rarity. The findings suggest that ecosystem services measures could bring some biodiversity benefits to agricultural catchments. However, creating clean-water ponds specifically targeted for biodiversity could hold considerable potential as a tool to help stem, and even reverse, ongoing declines in freshwater plant biodiversity across farming landscapes.

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Comparative Macrophyte Diversity of Waterbodies in the Central European landscape

Cited by 16 publications

References 50 publications

Delineating the influence of water conditions and landscape on plant communities in eutrophic ditch networks

Delineating the influence of water conditions and landscape on plant communities in eutrophic ditch networks

Relationships of macrophyte species richness and environment in different water body types in the Central European region

Nature based measures increase freshwater biodiversity in agricultural catchments

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