| Title: |
Dispersal, germination and survival of Populus nigra (L.) (Salicaceae) in changing hydrologic conditions.
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| Resource Type: |
document --> technical publication --> journal article
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| Country: |
EU Projects
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| Year: |
2002 |
| Availability: |
Wetlands 22(3):478-488
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| Author 1/Producer: |
Guilloy-Froget, H.
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| Other Authors/Producers: |
Muller, E, Barsoum, N. and Hughes, F.M.R.
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| Author / Producer Type: |
EC Project
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| Format (e.g. PDF): |
HTML
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EUGRIS Keyword(s): |
Contaminated land-->Wider impacts / sustainability-->Environmental
Contaminated land-->Wider impacts / sustainability-->Sustainable / green remediation
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| Short description: |
In western Europe, Populus nigra, is a major component of riparian woodlands, but its spatial extent has decreased due to management practices. The timing of Populus nigra seed dispersal and variations in seed germinability through time and in simulated varying hydrological conditions were monitored. Individual trees displayed variations in seed release patterns: on average, seed germinability remained rather low. Large differences in germinability were observed between trees and over time. A continuously wet substrate was the most favorable condition for germination and seedling survival. A change from wet to submerged conditions increased germination and reduced seedling survival. In the case of a change from either wet or submerged to dry conditions, there was no survival possible if the dry conditions persisted more than one week. Substrate type had a significant effect on germinability only in moderate moisture conditions.
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Submitted By:
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Dr Stefan Gödeke WhoDoesWhat?
Last update: 29/06/2007
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