Climate change impacts on freshwater wetland habitats

Dawson, Terence P.; Berry, Pam; Kampa, Elizabeth M.

doi:10.1078/1617-1381-00031

Cited by 98 publications

(58 citation statements)

References 2 publications

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“…However, a reliance on bodies of freshwater, which are predicted to undergo marked change under current climate change models (Dawson et al 2003), makes their fate less certain. Patterns seen here in Odonata are likely to be seen in other insects with aquatic stages to their life cycles.…”

Section: Discussionmentioning

confidence: 99%

Historical changes in the phenology of British Odonata are related to climate

Hassall¹,

Thompson²,

French³

et al. 2007

Global Change Biol

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Responses of biota to climate change take a number of forms including distributional shifts, behavioural changes and life history changes. This study examined an extensive set of biological records to investigate changes in the timing of life history transitions (specifically emergence) in British Odonata between 1960 and 2004. The results show that there has been a significant, consistent advance in phenology in the taxon as a whole over the period of warming that is mediated by life history traits. British odonates without an egg diapause significantly advanced the leading edge (first quartile date) of the flight period by a mean of 2.73 days per decade ± 0.055 (s.e.m., n=19) or 5.82 ± 1.15 (s.e.m., n=19) per degree rise in temperature. Species exhibiting a diapause in the egg stage did not respond significantly to increases in UK temperatures. This study represents the first review of changes in odonate phenology in relation to climate change and shows that responses to global warming are mediated by life-history traits. The results suggest that the damped temperature oscillations experienced by aquatic organisms compared to terrestrial organisms are sufficient to evoke phenological responses similar to those of purely terrestrial taxa.

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Section: Discussionmentioning

confidence: 99%

Historical changes in the phenology of British Odonata are related to climate

Hassall¹,

Thompson²,

French³

et al. 2007

Global Change Biol

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“…However, such a permeable habitat patch network is not guaranteed. Some areas of the UK contain high densities of lentic water bodies (Boothby & Hull 1997), but future predictions suggest that the characteristics and distribution of water bodies may vary with changing climate (Carpenter et al 1992;Dawson et al 2003;Hostetler & Small 1999). Climate-induced changes have also been predicted for lotic water systems (Alcamo et al 2003;Pilgrim et al 1998;Zwolsman & van Bokhoven 2007) and some studies have attempted to predict how these changes might affect stream communities (Xenopoulos & Lodge 2006).…”

Section: Distributionsmentioning

confidence: 99%

The effects of environmental warming on Odonata: a review

Hassall¹,

Thompson²

2008

International Journal of Odonatology

190

156

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Climate change brings with it unprecedented rates of increase in environmental temperature, which will have major consequences for the earth's flora and fauna. The Odonata represent a taxon that has many strong links to this abiotic factor due to its tropical evolutionary history and adaptations to temperate climates. Temperature is known to affect odonate physiology including life-history traits such as developmental rate, phenology and seasonal regulation as well as immune function and the production of pigment for thermoregulation.

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“…Climate models predict increased temperatures, increased summer drought and increased occurrence of extreme precipitation events for temperate regions (IPCC 2007). For fens in these regions, this means that the soil will be subjected to increased summer drought and alterations in water level dynamics (Dawson et al 2003;Reiche et al 2009). These effects have been shown to increase both N-and P-availability to plants (Olde Venterink et al 2002;Van Dijk et al 2004;Reiche et al 2009).…”

Section: Introductionmentioning

confidence: 99%

Combined effects of nitrogen enrichment, sulphur pollution and climate change on fen meadow vegetation N:P stoichiometry and biomass

et al. 2011

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Nitrogen (N) and sulphur (S) deposition, as well as altered soil moisture dynamics due to climate change can have large effects on fen meadow biogeochemistry and vegetation. Their combined effects may differ strongly from their separate effects, since each process affects different nutrients through different mechanisms. However, the impacts of these environmental problems are rarely studied in combination. We therefore investigated the separate and interactive effects of current levels of N-and S-deposition and changes in soil moisture dynamics on fen meadow vegetation. We focused on vegetation biomass and N:P stoichiometry, including access to soil P through root surface phosphatase activity, in a 3-year factorial addition experiment in an N-limited rich fen meadow in the Biebrza valley in Poland. We applied 29.5 kg N ha -1 year -1 and 32.1 kg S ha -1 year -1 , which correspond to current deposition levels in Western Europe. Changes in soil moisture dynamics due to climate change were mimicked by amplified drying of the soil in summer. This level of N-deposition had limited effects on plant biomass production in this rich fen, despite low foliar N:P ratios that suggest N limitation. This level of S-deposition, however, resulted in decreased vegetation P-uptake and biomass. We also showed that increased summer drought resulted in considerable increases in vegetation biomass. We found no interactive effects on vegetation biomass or N:P stoichiometry, possibly as a result of the limited main effects of the separate processes.

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Climate change impacts on freshwater wetland habitats

Cited by 98 publications

References 2 publications

Historical changes in the phenology of British Odonata are related to climate

Historical changes in the phenology of British Odonata are related to climate

The effects of environmental warming on Odonata: a review

Combined effects of nitrogen enrichment, sulphur pollution and climate change on fen meadow vegetation N:P stoichiometry and biomass

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