Dyke-slotting initiated rapid recovery of habitat specialists in floodplain mollusc assemblages of the Elbe River, Germany

Rumm, Andrea; Foeckler, Francis; Deichner, Oskar; Scholz, Mathias; Gerisch, Michael

doi:10.1007/s10750-015-2627-0

Cited by 6 publications

(7 citation statements)

References 44 publications

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“…Re-establishing hydromorphological dynamics in the impacted area apparently increased small-scale habitat heterogeneity (Rumm et al, 2016) and extended the available trait niche-space of the restored area, but responses were too weak to result in a significant treatment effect. Unexpectedly, beta FD did not change significantly, but tended to decrease, indicating a slightly higher trait similarity (i.e.…”

Section: Effects Of the Dyke-slotting On Fdmentioning

confidence: 99%

“…All analyses were carried out with the software R 3.3.1 (R Core Consequently, the impacted (B) and control (C) areas were generally similar in terms of having no direct flooding (Rumm et al, 2016).…”

Section: Reproduction Modementioning

confidence: 99%

“…The opening of dykes is increasingly seen as a successful restoration strategy for floodplains (Matella & Merenlender, 2014;Oppermann et al, 2009;Rumm, Foeckler, Deichner, Scholz, & Gerisch, 2016). The construction of dykes along large stretches of major rivers has isolated rivers from their floodplains (Matella & Merenlender, 2014), dramatically altering the driving processes induced by hydrology and hydrological connectivity (Tockner & Stanford, 2002).…”

Section: Introductionmentioning

confidence: 99%

“…missing flooding) control area and a reference area not affected from the dyke-slotting and with similar habitat conditions to the impacted area were included to reveal whether the changes were caused by the restoration and to evaluate the progress towards the target state (Chapman & Underwood, 2000). Ideally, this monitoring design would use replicated areas, but this was not possible due to logistical and financial reasons, and because of the highly changeable hydrological regime of the Elbe within a few kilometres (see Rumm et al, 2016).…”

Section: Introductionmentioning

confidence: 99%

“…The frequency of grassland mowing is dependent on seasonal weather conditions (at most twice a year). For further details and discussion about areas, see Rumm et al (2016).…”

Section: Introductionmentioning

confidence: 99%

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Shifts in mollusc traits following floodplain reconnection: Testing the response of functional diversity components

Rumm

Foeckler²,

Dziock

et al. 2018

Freshwater Biology

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2. Here, we tested the effect of dyke-slotting to reconnect a floodplain on the trait response of mollusc communities over 6 years, based on a random stratified sampling design (plots within areas) with before and after control impact. Trait characteristics included flood resistance, drought resistance and resilience from which community-weighted mean trait values were derived. FD and its components (alpha, beta, gamma) were calculated with Rao's quadratic entropy.3. Flood duration in the restored area increased from 4-13 to 6-17 weeks/year after reconnection, similarly to the reference area (4-10 to 6-14 weeks). Hence, the re-connection by dyke-slotting had no substantial effect on flood duration (due to seepage water). 4.Despite that, dyke-slotting triggered weak but significant shifts in the trait compositions of the restored floodplain mollusc communities. Traits reflecting species' resilience, crushing resistance and drought resistance increased in abundance, while traits characteristically found in more stable habitats decreased (e.g. crossfertilisation, diet specialisation). Overall, trait composition of the restored area progressively moved to that found in the active floodplain. 5.While there were some significant temporal changes in FD within areas (reference, restored), there were no significant effects of dyke-slotting on any of the FD indices.

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Section: Effects Of the Dyke-slotting On Fdmentioning

confidence: 99%

Section: Reproduction Modementioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

“…The frequency of grassland mowing is dependent on seasonal weather conditions (at most twice a year). For further details and discussion about areas, see Rumm et al (2016).…”

Section: Introductionmentioning

confidence: 99%

See 3 more Smart Citations

Shifts in mollusc traits following floodplain reconnection: Testing the response of functional diversity components

Rumm

Foeckler²,

Dziock

et al. 2018

Freshwater Biology

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Defining the baseline for river restoration: comparing carabid beetle diversity of natural and human-impacted riparian habitats

2020

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Near-natural rivers and riparian ecosystems can represent biodiversity hotspots harbouring many highly specialised, rare and endangered species. During the past centuries, these habitats have been heavily degraded by anthropogenic use, and therefore river restoration is one of the most striking fields of action that is legally defined by the European Union Water Framework Directive. Successful restoration depends on realistic and specified targets that should be defined beforehand and founded on status quo surveys. We present a comparison of carabid beetle communities in riparian habitats of natural and managed river sites of the Mulde River in the Biosphere Reserve Middle Elbe. This endeavour is part of a unique multi-level revitalisation project. Pitfall trapping in 2016 and 2017 yielded 111 carabid species with many species of conservation concern in natural and managed habitats. However, Simpson diversity and functional diversity were lower in the latter. Both habitats harboured specific species assemblages with characteristic indicator species. Additionally, the trap location on slip-off slopes or cut banks was a significant driver of species composition. Our results indicate high ecological development potentials for the Mulde River, but restoration should consider differences between slip-off slopes and cut-off banks. We postulate that future restoration will foster population increases as well as a wider distribution of rare and endangered riparian habitat specialists.

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A Comparison of the Development of Wetland Restoration Techniques in China and Other Nations

Zhou

Guan

et al. 2020

Wetlands

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Based on retrieved results of literature and patents related to international wetland ecological restoration, the current status and development of ecological restoration techniques for degraded wetlands in both China and international states were analyzed synthetically. The results showed that the United States was the pioneering country in studies on the wetland ecological restoration, while China began to pay widespread attention from 2000. Compared to the international developed countries, the start time of concern for wetland ecological restoration in China was about 10 years later. The phytoremediation and engineering restoration were the most popular among all the wetland ecological restoration techniques. Besides the United States, the number of publications increased most quickly in China since 2004. The Louisiana State University published most of the researching findings among the international institutions related to wetland ecological restoration. The Chinese Academy of Sciences was the most important institution for wetland restoration study in China. The analysis of the wetland ecological restoration practice in China and international states indicated that the study and application of combined bioremediation techniques would receive more attention for wetland ecological restoration in the future.

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Dyke-slotting initiated rapid recovery of habitat specialists in floodplain mollusc assemblages of the Elbe River, Germany

Cited by 6 publications

References 44 publications

Shifts in mollusc traits following floodplain reconnection: Testing the response of functional diversity components

Shifts in mollusc traits following floodplain reconnection: Testing the response of functional diversity components

Defining the baseline for river restoration: comparing carabid beetle diversity of natural and human-impacted riparian habitats

A Comparison of the Development of Wetland Restoration Techniques in China and Other Nations

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