Interactive effects of multiple climate change variables on trophic interactions: a meta-analysis

Rosenblatt, Adam; Schmitz, Oswald J.

doi:10.1186/s40665-014-0008-y

Cited by 65 publications

(61 citation statements)

References 78 publications

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“…More accurate projections of climate change consequences also requires data from long-term (across generations), replicated experiments with appropriate controls, conducted at spatiotemporal scales relevant for the species and community under investigation, and realistic (oscillating and gradually increasing at a slow rate) temperature manipulation regimes. Single-species and single-factor experiments can provide valuable insights and knowledge, but are not sufficient to investigate biodiversity responses to climate change, there is a need for multifactorial experiments that assess the combined additive and interactive effects of temperature and other environmental conditions [7,22,34].…”

Section: General Discussion and Overall Assessment Of Approaches Usedmentioning

confidence: 99%

“…Based merely on the distribution of the reviewed studies across methodological categories outlined above, a subjective answer would be no. However, it would be possible (but difficult) to objectively investigate this issue by conducting (or comparing) a series of experiments with different levels of realism (with regard to species complexity, nature and severity of temperature challenge, or study duration) and examine whether and how outcomes and conclusions change depending on realism or degree of complexity [27,34,35]. Results of a recent meta-analysis [36] show that experimental warming reduces community species richness in marine but not in freshwater systems, that there were no impacts on evenness in aquatic systems, that intensity and duration of experimental warming did not explain variation in responses among studies, and that biodiversity effects depended on local species composition.…”

Section: Finding the Balance Between Realism And Methodological Tractmentioning

confidence: 99%

“…They report that the qualitative effect on response variables directly related to trophic interactions (such as feeding rate, weight gain, and population biomass) depend on whether climate change variables were manipulated alone or together. Furthermore, both response type and magnitude are highly context dependent, indicating that unanticipated emergent effects of climate change on ecosystems are likely to occur [34]. As suggested elsewhere [18], eco-evolutionary dynamics and the roles of direct and indirect multi-species interactions can be studied from an evolving meta-community perspective to obtain deeper insights into the complex issue of how abiotic factors and species interactions together and in an interdependent manner shape biodiversity responses to climate change [10,14,18,26,29].…”

Section: Use Multi-species Approachesmentioning

confidence: 99%

“…However, the performance and ecological success of individuals, species and communities is defined by interactions of the abiotic environment and by complex interactions between individuals belonging to the same or to different species. Rosenblatt and Schmitz [34] synthesized literature on the interactive effects of multiple climate change variables (e.g., temperature, precipitation, CO 2 , O 3 , ultraviolet radiation) on trophic interactions. They report that the qualitative effect on response variables directly related to trophic interactions (such as feeding rate, weight gain, and population biomass) depend on whether climate change variables were manipulated alone or together.…”

Section: Use Multi-species Approachesmentioning

confidence: 99%

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To What Extent Can Existing Research Help Project Climate Change Impacts on Biodiversity in Aquatic Environments? A Review of Methodological Approaches

Forsman

Berggren

Åström

et al. 2016

JMSE

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Abstract:It is broadly accepted that continued global warming will pose a major threat to biodiversity in the 21st century. But how reliable are current projections regarding consequences of future climate change for biodiversity? To address this issue, we review the methodological approaches in published studies of how life in marine and freshwater environments responds to temperature shifts. We analyze and compare observational field surveys and experiments performed either in the laboratory or under natural conditions in the wild, the type of response variables considered, the number of species investigated, study duration, and the nature and magnitude of experimental temperature manipulations. The observed patterns indicate that, due to limitations of study design, ecological and evolutionary responses of individuals, populations, species, and ecosystems to temperature change were in many cases difficult to establish, and causal mechanism(s) often remained ambiguous. We also discovered that the thermal challenge in experimental studies was 10,000 times more severe than reconstructed estimates of past and projections of future warming of the oceans, and that temperature manipulations also tended to increase in magnitude in more recent studies. These findings raise some concerns regarding the extent to which existing research can increase our understanding of how higher temperatures associated with climate change will affect life in aquatic environments. In view of our review findings, we discuss the trade-off between realism and methodological tractability. We also propose a series of suggestions and directions towards developing a scientific agenda for improving the validity and inference space of future research efforts.

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Section: General Discussion and Overall Assessment Of Approaches Usedmentioning

confidence: 99%

Section: Finding the Balance Between Realism And Methodological Tractmentioning

confidence: 99%

Section: Use Multi-species Approachesmentioning

confidence: 99%

Section: Use Multi-species Approachesmentioning

confidence: 99%

See 2 more Smart Citations

To What Extent Can Existing Research Help Project Climate Change Impacts on Biodiversity in Aquatic Environments? A Review of Methodological Approaches

Forsman

Berggren

Åström

et al. 2016

JMSE

View full text Add to dashboard Cite

show abstract

“…Inference to untangleglobal change effects on trophic interactions include elaborated theoretical simulation models based upon physiological principles, experimental setups, and observational or correlative studies of spatio-temporal changes in natural systems[3,4,11,12,23]. In the current study, we apply all three approaches.…”

Section: Introductionmentioning

confidence: 99%

Catchment vegetation and temperature mediating trophic interactions and production in plankton communities

et al. 2017

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Climatic factors influence the interactions among trophic levels in an ecosystem in multiple ways. However, whereas most studies focus on single factors in isolation, mainly due to interrelation and correlation among drivers complicating interpretation and analyses, there are still only few studies on how multiple ecosystems respond to climate related factors at the same time. Here, we use a hierarchical Bayesian model with a bioenergetic predator-prey framework to study how different climatic factors affect trophic interactions and production in small Arctic lakes. Natural variation in temperature and catchment land-cover was used as a natural experiment to exemplify how interactions between and production of primary producers (phytoplankton) and grazers (zooplankton) are driven by direct (temperature) and indirect (catchment vegetation) factors, as well as the presence or absence of apex predators (fish). The results show that increased vegetation cover increased phytoplankton growth rate by mediating lake nutrient concentration. At the same time, increased temperature also increased grazing rates by zooplankton. Presence of fish increased zooplankton mortality rates, thus reducing grazing. The Arctic is currently experiencing an increase in both temperature and shrub vegetation cover due to climate change, a trend, which is likely to continue. Our results point towards a possible future general weakening of zooplankton grazing on phytoplankton and greening of arctic lakes with increasing temperatures. At the same time, the impact of the presence of an apex predator indicate considerable local variation in the response. This makes direction and strength of global change impacts difficult to forecast.

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Experimental Approaches for Assessing Invertebrate Responses to Global Change Factors

Lindroth

Raffa

2016

Global Climate Change and Terrestrial Invertebrates

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Interactive effects of multiple climate change variables on trophic interactions: a meta-analysis

Cited by 65 publications

References 78 publications

To What Extent Can Existing Research Help Project Climate Change Impacts on Biodiversity in Aquatic Environments? A Review of Methodological Approaches

To What Extent Can Existing Research Help Project Climate Change Impacts on Biodiversity in Aquatic Environments? A Review of Methodological Approaches

Catchment vegetation and temperature mediating trophic interactions and production in plankton communities

Experimental Approaches for Assessing Invertebrate Responses to Global Change Factors

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