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Influence of submergence on growth of seedlings of Scirpus lacustris and Phragmites australis
Limnology, Department of Ecology, Lund University, Lund, Sweden.ORCID-id: 0000-0002-5181-0391
Limnology, Department of Ecology, Lund University, Lund, Sweden.
Limnology, Department of Ecology, Lund University, Lund, Sweden.
1993 (Engelska)Ingår i: Freshwater Biology, ISSN 0046-5070, E-ISSN 1365-2427, Vol. 29, nr 3, s. 371-375Artikel i tidskrift (Refereegranskat) Published
Abstract [en]

1. Seeds of Scirpus lacustris and Phragmites australis were germinated in early June, and twenty-four seedlings of each species were subsequently exposed to submerged conditions (eight seedlings at each of the water depths 0.2, 0.4 and 0.8 m), in outdoor 500-l tanks in southern Sweden. Weight and shoot length of the plants were measured in September. 2. The Phragmites seedlings did not show any significant growth when submerged. The Scirpus seedlings, however, developed submerged leaves and exhibited considerable submerged growth. One Scirpus plant, in shallow water (0.2 m), had developed an aerial shoot by September. Shoot length of the remaining (submerged) Scirpus plants was positively related to plant weight within water depth treatments, and was higher, in relation to plant weight, in deeper water. Mean weight in September of the submerged Scirpus plants decreased with increased water depth. 3. In south Swedish lakes with a lowered water table, Scirpus often occupies large areas on the lakeward side of the reed belt, which is generally dominated by Phragmites. The differences between the two species, in performance of submerged seedlings, suggest that this zonation may be created through successful submerged seedling establishment of Scirpus on the lakeward side of Phragmites.

Ort, förlag, år, upplaga, sidor
Chichester, United Kingdom: Wiley-Blackwell, 1993. Vol. 29, nr 3, s. 371-375
Nyckelord [en]
growth, submergence, Sweden, Phragmites australis, Scirpus lacustris
Nationell ämneskategori
Ekologi
Identifikatorer
URN: urn:nbn:se:hh:diva-27665DOI: 10.1111/j.1365-2427.1993.tb00771.xISI: A1993LJ23900004Scopus ID: 2-s2.0-0027880552OAI: oai:DiVA.org:hh-27665DiVA, id: diva2:784966
Tillgänglig från: 2015-02-01 Skapad: 2015-02-01 Senast uppdaterad: 2017-12-05Bibliografiskt granskad

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