Biological flora of Central Europe: Myricaria germanica (L.) Desv.

Sitzia, Tommaso; Kudrnovsky, Helmut; Müller, Norbert; Michielon, Bruno

doi:10.1016/j.ppees.2021.125629

Cited by 6 publications

(7 citation statements)

References 58 publications

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“…germanica is protected since 2005 (Tiroler Naturschutzgesetz, Article 23, attachment IV lit.b) and the manipulation of the plant as well as habitat changes resulting in loss of individuals is prohibited (Ordinance of Nature protection, Verordnung der Tiroler Landesregierung 2006, Article 1 and 2). Over the last decade, the species showed a severe decline along European rivers 30 , 36 . As a typical pioneer species on gravel banks and bars, the German tamarisk is threatened, if sediment and hydrological dynamics are restricted.…”

Section: Methodsmentioning

confidence: 99%

“…In this study, we investigate connectivity along the river Isel and its tributaries by analysing genetic diversity patterns for the characteristic and endangered riparian shrub species, the German tamarisk, Myricaria germanica 13 , 30 . This catchment offers a high number of populations of the pioneer plant of the dynamic riverine zon 31 despite natural canyons, many hydro-morphological river alterations in the past (land use and flood protection) as well as barriers linked to hydropower.…”

Section: Introductionmentioning

confidence: 99%

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Gene flow in a pioneer plant metapopulation (Myricaria germanica) at the catchment scale in a fragmented alpine river system

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Hoppler-Wiedmer

Zengerer

et al. 2022

Sci Rep

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River alterations for natural hazard mitigation and land reclamation result in habitat decline and fragmentation for riparian plant species. Extreme events such as floods are responsible for additional local species loss or population decline. Tributaries might provide refugia and subsequent source populations for the colonization of downstream sites in connected riverine networks with metapopulations of plant species. In this study, we analyzed the metapopulation structure of the endangered riparian shrub species Myricaria germanica along the river Isel, Austria, which is part of the Natura 2000 network, and its tributaries. The use of 22 microsatellite markers allowed us to assess the role of tributaries and single populations as well as gene flow up- and downstream. The analysis of 1307 individuals from 45 sites shows the influence of tributaries to the genetic diversity at Isel and no overall isolation by distance pattern. Ongoing bidirectional gene flow is revealed by the detection of first-generation migrants in populations of all tributaries as well as the river Isel, supporting upstream dispersal by wind (seeds) or animals (seeds and pollen). However, some populations display significant population declines and high inbreeding, and recent migration rates are non-significant or low. The genetic pattern at the mouth of river Schwarzach into Isel and shortly thereafter river Kalserbach supports the finding that geographically close populations remain connected and that tributaries can form important refugia for M. germanica in the dynamic riverine network. Conservation and mitigation measures should therefore focus on providing sufficient habitat along tributaries of various size allowing pioneer plants to cope with extreme events in the main channel, especially as they are expected to be more frequent under changing climate.

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Section: Methodsmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Gene flow in a pioneer plant metapopulation (Myricaria germanica) at the catchment scale in a fragmented alpine river system

Fink

Hoppler-Wiedmer

Zengerer

et al. 2022

Sci Rep

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“…As a result of the regulatory measures, habitats are lost, and the remaining remnants are often signi cantly fragmented . Consequently, many typical species relying on these habitats are endangered or extinct today Sitzia et al, 2021;Woellner et al, 2019). Through the European Water Framework Directive (EC 2000) initiative, efforts are being made to restore habitats, revitalize river sections, and reintroduce these species (Smith et al, 2014).…”

Section: Introductionmentioning

confidence: 99%

“…This also applies to the reintroduction of river specialist plant species (Sitzia et al, 2021;Woellner et al, 2019), where reintroduction often occurs at remote and small-scale restoration sites (see S. Muhar et al, 2007). In principle, reintroduction measures aim to create a self-sustaining metapopulation (Armstrong & Seddon, 2008).…”

Section: Application In Restoration and Reintroduction Measures Of Ri...mentioning

confidence: 99%

A new set of metrics to quantify the colonization potential of riverscapes by wind-dispersed plant species

Wagner

Wöllner

2023

Preprint

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Quantifying the potential of a braided riverscape to be colonized by a plant species is important for assessing the ecological state of the river and provides an important basis for nature conservation planning and the implementation of restoration measures. Common landscape and river connectivity indices are largely unsuitable for describing the situation for the mostly wind-dispersed plant species. We aim to provide a set of comparable metrics that allows the quantification of the colonization potential of riverscapes at the patch and riverscape level. We define and describe a set of cell-based, spatially explicit measures that can easily be implemented. We demonstrate their application using two typical plant species and three riverscapes with different habitat configurations as examples. Our metrics consider shape, size and the spatial configuration of habitat patches, along with the dispersal characteristics of the respective species. The metrics provide a linear, balanced, and realistic representation of the colonization potential at the cell, patch, and riverscape levels. The results are comparable between different riverscapes and species and can easily be extended and used for further modeling. The metrics provide a valuable tool for the planning and evaluation of conservation, restoration, and reintroduction measures and close the gap between simple habitat availability analyses and large-scale terrestrial connectivity indices.

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“…False tamarisk (Myricaria germanica (L.) Desf.) is a shrub species with a highly fragmented Eurasian distribution area, mainly confined to the mountains (MEUSEL et al 1978, SITZIA et al 2021. Its primary habitats are the gravel banks of fast-flowing rivers and streams carrying coarse sediment.…”

Section: Introductionmentioning

confidence: 99%

New occurrence of Myricaria germanica in a secondary habitat (NE Hungary)

Kelecsényi¹,

Takács

2022

kitaibelia

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In this paper, we report a new occurrence of Myricaria germanica (L.) Desf in a secondary habitat from the north-eastern part of Hungary, from the edge of the Bükk Mountains, in a slag dump in Miskolc. The plant is established on a steep wall formed during the extraction of slag. Due to the erosion of the wall, occasionally a few plants fall off. The age of the dead specimens is between 5 and 13 years, based on their growth rings. The population of about 50 individuals is the largest (but perhaps the only) living population of the species in Hungary. Other rare and protected species (Epilobium dodonaei Vill., Dysphania botrys (L.) Mosyakin & Clemants, Dryopteris carthusiana (Vill.) H.P. Fuchs, Polystichum aculeatum (L.) Roth ex Mert.) have also been found in the slag heap area.

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Biological flora of Central Europe: Myricaria germanica (L.) Desv.

Cited by 6 publications

References 58 publications

Gene flow in a pioneer plant metapopulation (Myricaria germanica) at the catchment scale in a fragmented alpine river system

Gene flow in a pioneer plant metapopulation (Myricaria germanica) at the catchment scale in a fragmented alpine river system

A new set of metrics to quantify the colonization potential of riverscapes by wind-dispersed plant species

New occurrence of Myricaria germanica in a secondary habitat (NE Hungary)

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