A transportable temperature and heatwave control device (TENTACLE) for laboratory and field simulations of different climate change scenarios in aquatic micro- and mesocosms

Hermann, Markus; Jansen, Richard; Glind, Johan van de; Peeters, E.T.H.M.; Brink, Paul J. Van den

doi:10.1016/j.ohx.2022.e00307

Cited by 7 publications

(3 citation statements)

References 24 publications

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“…After the end of the temperature manipulation phase, we monitored the recovery of the systems for 40 days. All temperature manipulations and recordings were carried out using a transportable temperature and heatwave control device (TENTACLE) applicable for aquatic micro‐ and mesocosm experiments (Hermann et al, 2022 ).…”

Section: Methodsmentioning

confidence: 99%

Impacts of extreme climatic events on trophic network complexity and multidimensional stability

Polazzo

Hermann

Minaglia

et al. 2023

Ecology

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Untangling the relationship between network complexity and ecological stability under climate change is an arduous challenge for theoretical and empirical ecology. Even more so, when considering extreme climatic events. Here, we studied the effects of extreme climatic events (heatwaves) on the complexity of realistic freshwater ecosystems using topological and quantitative trophic network metrics. Next, we linked changes in network complexity with the investigation of four stability components (temporal stability, resistance, resilience, and recovery) of community's functional, compositional, and energy flux stability. We found reduction in topological network complexity to be correlated with reduction of functional and compositional resistance.However, temperature-driven increase in link-weighted network complexity increased functional and energy flux recovery and resilience, but at the cost of increased compositional instability. Overall, we propose an overarching approach to elucidate the effects of climate change on multidimensional stability through the lens of network complexity, providing helpful insights for preserving ecosystems stability under climate change.

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Section: Methodsmentioning

confidence: 99%

Impacts of extreme climatic events on trophic network complexity and multidimensional stability

Polazzo

Hermann

Minaglia

et al. 2023

Ecology

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“…The costly nature of manipulating water temperature in semi-natural conditions and challenge of controlling treatments that follow the natural fluctuations of the ambient, environmental temperature are reasons for the rarity of these studies. These manipulations of thermal regimes are more achievable in smaller, closed mesocosm systems mimicking pond systems [80][81][82][83][84]. By contrast, achieving these in open stream mesocosm systems (e.g.…”

Section: Mesocosm Studies Testing Higher-level Effects Of the Interac...mentioning

confidence: 99%

“…With continually improving methods of manipulating temperature in seminatural mesocosm studies (e.g. [83]), such studies will likely become more common. Mesocosms are an ideal tool for assessing the impacts of contaminants at the ecosystemlevel, in combination with other climate-related stressors that are not easily manipulated in situ [48••, 89].…”

Section: Mesocosm Studies Testing Higher-level Effects Of the Interac...mentioning

confidence: 99%

Interactive Effects of Warming and Pollutants on Marine and Freshwater Invertebrates

et al. 2022

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Purpose of Review Global warming and pollution are among the five major causes of global biodiversity loss, particularly in aquatic invertebrates which are highly diverse but understudied. In this review, we highlight advancements in current environmental studies investigating the interactive effects between warming and contaminants in freshwater and marine invertebrates. We not only focused on temperate regions but also synthesized information on the less studied Arctic/Antarctic and tropical regions. Recent Findings In general, the same combination of warming and contaminants may result in either additive or non-additive interactive effects depending on taxa, the response variable, life stage, genotype, exposure level, duration and order of exposure, and the number of exposed generations. For traditional contaminants such as metals and pesticides, combined effects with warming at the individual level were generally synergistic. Growing evidence suggests that multigenerational exposure can shift the interaction between warming and contaminants toward antagonism, while contemporary evolution may change the interaction type. Summary Our synthesis highlights the importance of temporal aspects in shaping interaction type, including order of exposure, ontogenetic effects, transgenerational effects, and evolution. The combination of laboratory experiments (to advance mechanistic understanding) and outdoor mesocosm studies or field observations (to increase realism) is needed to obtain comprehensive assessments of interactive effects of warming and pollutants from genes to ecosystems.

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In the heat of the moment: Including realistic thermal fluctuations results in dramatically altered key population parameters

Boerlijst,

Boelee,

van Bodegom

et al. 2024

Ecology and Evolution

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Temperature is commonly acknowledged as one of the primary forces driving ectotherm vector populations, most notably by influencing metabolic rates and survival. Although numerous experiments have shown this for a wide variety of organisms, the vast majority has been conducted at constant temperatures and changes therein, while temperature is far from constant in nature, and includes seasonal and diurnal cycles. As fluctuating temperatures have been described to affect metabolic processes at (sub)cellular level, this calls for studies evaluating the relative importance of temperature fluctuations and the changes therein. To gain insight in the effects of temperature fluctuations on ectotherm development, survival, and sex ratio, we developed an inexpensive, easily reproducible, and open‐source, Arduino‐based temperature control system, which emulates natural sinusoidal fluctuations around the average temperature. We used this novel setup to compare the effects of constant (mean) temperatures, most commonly used in experiments, block schemes, and natural sinusoidal fluctuations as well as an extreme variant with twice its amplitude using the cosmopolitan mosquito species Culex pipiens s.l. as a study organism. Our system accurately replicated the preprogrammed temperature treatments under outdoor conditions, even more accurately than traditional methods. While no effects were detected on survival and sex ratio within the ranges of variation evaluated, development was sped up considerably by including temperature fluctuations, especially during pupation, where development under constant temperatures took almost a week (30%) longer than under natural fluctuations. Doubling the amplitude further decreased development time by 1.5 days. These results highlight the importance of including (natural) oscillations in experiments on ectotherm organisms – both aquatic and terrestrial – that use temperature as a variable. Ultimately, these results have major repercussions for downstream effects at larger scales that may be studied with applications such as ecological niche models, disease risk models, and assessing ecosystem services that rely on ectotherm organisms.

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A transportable temperature and heatwave control device (TENTACLE) for laboratory and field simulations of different climate change scenarios in aquatic micro- and mesocosms

Cited by 7 publications

References 24 publications

Impacts of extreme climatic events on trophic network complexity and multidimensional stability

Impacts of extreme climatic events on trophic network complexity and multidimensional stability

Interactive Effects of Warming and Pollutants on Marine and Freshwater Invertebrates

In the heat of the moment: Including realistic thermal fluctuations results in dramatically altered key population parameters

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