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  • 1
    Online Resource
    Online Resource
    Adaptation to Coastal Storms in Atlantic Canada (2018)
    Cham : Springer
    Details Availability
    Keywords: Earth sciences ; Earth Sciences ; Climate change ; Industrial management Environmental aspects ; Natural disasters ; Coasts ; Social sciences ; Environmental sociology
    Description / Table of Contents: This brief is based on an analysis that was performed on the 2010 winter storms that caused considerable damage to coastal communities in Atlantic Canada. The hazards that occurred were associated with storm surge, high waves, coastal erosion, and flooding. The analysis covered a large multisite longitudinal project, where a participatory action research (PAR) approach was used to understand how people in 10 coastal communities perceive and experience extreme weather events and to enhance their capacity to adapt and improve their resilience. This brief exposes the outcome of two series of interviews and activities that were conducted during the project, as well as the lessons learned, and general elements that should be considered when researchers collaborate with communities to define adaptation and resilience strategies. It makes an important contribution to the application of PAR as an integrated (social-ecological) approach to resilience and how such an approach can be adapted also to other communities
    Type of Medium: Online Resource
    Pages: Online-Ressource (VIII, 91 p. 2 illus. in color, online resource)
    ISBN: 9783319634920
    Series Statement: SpringerBriefs in Geography
    URL: https://doi.org/10.1007/978-3-319-63492-0
    URL: https://swbplus.bsz-bw.de/bsz491755430cov.jpg
    DOI: 10.1007/978-3-319-63492-0
    Language: English
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  • 2
    Electronic Resource
    Electronic Resource
    Phenotypic plasticity inLemna minor (Lemnaceae) (1992)
    Springer
    Plant systematics and evolution 180 (1992), S. 205-219 
    Details
    ISSN: 1615-6110
    Keywords: Angiosperms ; Lemnaceae ; Lemna minor ; Phenotypic plasticity ; clonal plant ; genotypic variation ; fitness ; origin effect ; duckweed
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Abstract Eight genotypes ofLemna minor, originating from four continents, were grown for 15 days in eight different environmental treatments. Fronds under each treatment were then transferred into each of the eight environmental conditions for 15 days. The rate of frond production (relative growth rate) and mean frond biomass were recorded for each pre- and post-transfer treatment and root length was measured for each pre-transfer treatment. For all the traits, the levels of response varied significantly between genotypes (G) and between environmental conditions (E). G × E interaction effect was significant for all traits under pre-transfer treatments and some post-transfer treatments. Both pattern and amount of plasticity were genotypically variable but the amount of variation depended on the trait. The trait representing the best estimate of fitness, growth rate, exhibited the least amount of plasticity and on average, showed the most conservative pattern of plasticity. In contrast, the trait least related to fitness, root length, was the most plastic and showed the most divergent pattern of plasticity. Under some post-transfer treatments, growth rate and mean frond biomass were affected by origin (initial treatment) effect. Pattern and amount of plasticity were also influenced by initial treatments. Since some genotypes may be more affected than others by environmental conditions, origin effect may accentuate G × E interaction and therefore, modify the pattern and amount of plasticity. Comparison between dendrograms based on genetic and phenotypic similarities suggested that there is no relationship between genetic and phenotypic divergence. This lack of relationship may be due to the fact that plasticity is not necessarily adaptive.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00941151
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  • 3
    Electronic Resource
    Electronic Resource
    Natural pasture community response to enriched carbon dioxide atmosphere (1998)
    Springer
    Plant ecology 135 (1998), S. 31-41 
    Details
    ISSN: 1573-5052
    Keywords: Canonical correspondence analysis ; CO2 ; Multivariate analysis ; Open-top chambers ; Plant community ; Succession
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Abstract We examined the response of a pasture community in southern Quebec (Canada) to long-term exposure of enriched atmospheric CO2 conditions. The study was conducted using open-top growth chambers directly placed on top of the natural pasture community. To investigate the change in the overall species composition in time and space, we used canonical correspondence analysis, a direct ordination method. Over the three years, the overall community responded significantly to enriched CO2. The analyses show that, after three years, CO2 was the most important environmental variable affecting the species composition. Initially the presence of the wall of the chambers influenced the composition but CO2 became more important by the third year. Soil and air temperatures only slightly influenced the community composition. The first two axes of the canonical correspondence analysis explained a large proportion of the variation in the three years and these trends appeared to increase with time. Species such as Agropyron repens appeared to be positively influenced by the presence of the wall (slightly warmer conditions). However, the analyses suggest that Phleum pratense and Trifolium repens, for example, were favored by the increase in atmospheric CO2. The variation in species composition in enriched versus ambient CO2 chambers suggests that the effect of the environmental factors, particularly CO2, were important in affecting the rate and pattern of succession. Furthermore, the temporal increase in importance of the variable CO2 in the present analyses indicates that there might be a time-lag in response to atmospheric enrichment.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1023/A:1009753403246
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  • 4
    Electronic Resource
    Electronic Resource
    Allozymic and morphometric variation inLemna minor (Lemnaceae) (1991)
    Springer
    Plant systematics and evolution 177 (1991), S. 139-148 
    Details
    ISSN: 1615-6110
    Keywords: Angiosperms ; Lemnaceae ; Lemna minor ; Allozymic variation ; clonal propagation ; morphometry ; cosmopolitan distribution
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Abstract Allozymic and morphometric variation was studied in 28 clones ofLemna minor. This variation was compared with the corresponding variation in four clones ofLemna gibba and four clones ofSpirodela polyrrhiza. A high level of allozymic variation was observed among the clones, despite having been grown under uniform laboratory conditions for several years and despite its quasi-exclusive clonal means of propagation. Based on degree of allozymic similarity,Spirodela polyrrhiza was distinguished from the twoLemna species but the latter species were genetically indistinguishable. Allozymic similarity among clones ofLemna minor was not related to morphometric similarity, nor was it related to the degree of geographic separation or climatic similarity of their sites of origin. The results suggest that allozymic variation among these clones ofLemna minor may be largely neutral and not a consequence of differential selection.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00937951
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