An Ecological Study of the Vegetation in Three Former River Beds

Donselaar, W. A. E. Van; Huinink, Ten Bokkel

doi:10.1111/j.1438-8677.1961.tb00007.x

Cited by 17 publications

(2 citation statements)

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“…The question if floating mats were formed on pleustophytic vegetation (e.g., Stratiotes aloides) in Lake Schollene, as suggested by van Donselaar-ten Bokkel Huinink (1961) and Den Held et al (1992), could not be investigated today because such communities have disappeared. This assumption is merely based on the frequently observed occurrence of floating marshes in the neighborhood of Stratiotes.…”

Section: The Process Of Floating Mat Formation In Lake Schollenementioning

confidence: 99%

“…Accordingly, the vegetation on the floating peat mats gives the impression of a very advanced succession stage: the absence of Cicuta virosa, a high percentage of Carex paniculata or a shift into a Rumici hydrolapathi-Caricetum paniculatae, and the spread of alder carr (Boer 1942;van Donselaar 1961;den Held et al 1992). Cicuta virosa prefers to colonize bare organic matter in young floating peat mats or even in mats of pleustophytes (Boer 1942;van Donselaar-ten Bokkel Huinink 1961;Shin et al 2013Shin et al , 2015. Furthermore, the typical Cicuto-Caricetum pseudocyperi containing this species is regarded as the first stage of vegetation development on floating mats (Boer 1942;Kuiper 1957;Koerselman and Verhoeven 1992;Fischer 1999).…”

Section: Surface?mentioning

confidence: 99%

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Formation and Development of Floating Peat Mats in a European Eutrophic Lake: A Case Study

Günther

2020

WSP

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In a case study, we analyzed the development of a spatially extended eutrophic floating marsh in a mid-European river floodplain lake. Such buoyant fringe marshes occur occasionally in lakes or river floodplain waters which have accumulated considerable amounts of very soft organic sediments. There are two hypotheses about their formation: 1) diverse helophytes, among them Cicuta virosa and Carex pseudocyperus, colonize floating-leaf plant communities or floating plant residues washed ashore, and 2) normal reed stands detach from the soft lake bottom which then float up caused by their rhizome aerenchyma and by marsh gas accumulation. The following questions were pursued: 1) How did these floating peat mats develop and do they grow horizontally on the water surface? and 2) How will they develop in future? Our study is mainly based on the analysis of historical maps, aerial photographs, and the zonation of the riparian vegetation. In the first half of the 20th century, the formation of floating swamps began on the waterside edge of large reeds that had developed on huge mud banks. The succession proceeded at this edge to alder carr without substantial expansion toward the open water. This and other findings led us to the conclusion that the floating mat formation proceeds according to the second hypothesis. Since there is no significant horizontal growth of these floating marshes, the riparian vegetation belt of the lake will only spread by repeating the entire process.

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Section: The Process Of Floating Mat Formation In Lake Schollenementioning

confidence: 99%