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Genetic variation and gene flow in riparian populations of Filipendula ulmaria
Mittuniversitetet, Fakulteten för naturvetenskap, teknik och medier, Institutionen för naturvetenskap.
2007 (Engelska)Doktorsavhandling, sammanläggning (Övrigt vetenskapligt)
Ort, förlag, år, upplaga, sidor
Sundsvall: Mittuniversitetet , 2007. , s. 25
Serie
Mid Sweden University doctoral thesis, ISSN 1652-893X ; 30
Nyckelord [en]
Barriers, fragmentation, Filipendula ulmaria, Gene flow, genetic variation, hydrochory, pollen dispersal, riparian habitat, spatial genetic structure
Nationell ämneskategori
Ekologi
Identifikatorer
URN: urn:nbn:se:miun:diva-8893ISBN: 978-91-85317-61-5 (tryckt)OAI: oai:DiVA.org:miun-8893DiVA, id: diva2:216094
Disputation
(Engelska)
Tillgänglig från: 2009-05-06 Skapad: 2009-05-06 Senast uppdaterad: 2014-10-03Bibliografiskt granskad
Delarbeten
1. Differences in spatial genetic structure of riparian Filipendula ulmaria between an within river catchments in northern Sweden
Öppna denna publikation i ny flik eller fönster >>Differences in spatial genetic structure of riparian Filipendula ulmaria between an within river catchments in northern Sweden
(Engelska)Manuskript (preprint) (Övrigt vetenskapligt)
Nationell ämneskategori
Ekologi
Identifikatorer
urn:nbn:se:miun:diva-9396 (URN)
Tillgänglig från: 2009-07-16 Skapad: 2009-07-16 Senast uppdaterad: 2011-04-08Bibliografiskt granskad
2. The potential role of tributaries as seed sources to an impoundment in northern Sweden: a field experiment with seed mimics
Öppna denna publikation i ny flik eller fönster >>The potential role of tributaries as seed sources to an impoundment in northern Sweden: a field experiment with seed mimics
2007 (Engelska)Ingår i: Rivers Research and Applications: an international journal devoted to river research and management, ISSN 1535-1459, E-ISSN 1535-1467, Vol. 23, nr 10, s. 1049-1057Artikel i tidskrift (Refereegranskat) Published
Abstract [en]

Fragmentation and flow regulation of rivers by large dams are known to obstruct the longitudinal dispersal of waterborne plant propagules between impoundments, and to affect plant community composition. However, even several decades after a dam has been built, impoundments may still have a relatively species-rich riparian flora. We hypothesized that free-flowing tributaries act as the major gene pools for such impoundments, thus alleviating the fragmenting effect large dams have on the main channel. The importance of tributaries as seed sources was tested by releasing wooden seed mimics in three different-sized (0.22-6.93 m3 s-1) tributaries of an impoundment in the Ume River in northern Sweden. In each tributary seed mimics were released, during the spring flood peak, from three points approximately 1, 2 and 3 km upstream the outlet in the impoundment. The importance of a tributary as a seed source increased with tributary size. Of the 9000 released seed mimics 1.5 % reached the impoundment; 1.2 % of the 9000 originated from the largest tributary and 0.3 % from the middle-sized one. The smallest tributary retained all its mimics.

Nyckelord
fragmentation, hydrochory, plant dispersal, impoundment, seed mimics, Ume River, Sweden
Nationell ämneskategori
Ekologi
Identifikatorer
urn:nbn:se:miun:diva-1252 (URN)10.1002/rra.1014 (DOI)000252530100001 ()2-s2.0-38349172407 (Scopus ID)4995 (Lokalt ID)4995 (Arkivnummer)4995 (OAI)
Tillgänglig från: 2008-12-09 Skapad: 2008-12-09 Senast uppdaterad: 2017-12-13Bibliografiskt granskad
3. High gene flow and differences in pollination pattern in a paternity analysis of a small riparian population of Filipendula ulmaria
Öppna denna publikation i ny flik eller fönster >>High gene flow and differences in pollination pattern in a paternity analysis of a small riparian population of Filipendula ulmaria
(Engelska)Manuskript (preprint) (Övrigt vetenskapligt)
Nationell ämneskategori
Ekologi
Identifikatorer
urn:nbn:se:miun:diva-9397 (URN)
Tillgänglig från: 2009-07-16 Skapad: 2009-07-16 Senast uppdaterad: 2011-04-04Bibliografiskt granskad
4. Effects of pollination distance on reproductive success in Filipendula ulmaria
Öppna denna publikation i ny flik eller fönster >>Effects of pollination distance on reproductive success in Filipendula ulmaria
(Engelska)Manuskript (preprint) (Övrigt vetenskapligt)
Nationell ämneskategori
Ekologi
Identifikatorer
urn:nbn:se:miun:diva-9398 (URN)
Tillgänglig från: 2009-07-16 Skapad: 2009-07-16 Senast uppdaterad: 2011-04-04Bibliografiskt granskad

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