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Zhang Q, Han XZ, Burraco P, Wang XF, Teng LW, Liu ZS, Du WG. Oxidative stress mediates the impact of heatwaves on survival, growth and immune status in a lizard. Proc Biol Sci 2023; 290:20231768. [PMID: 37876201 PMCID: PMC10598448 DOI: 10.1098/rspb.2023.1768] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/07/2023] [Accepted: 09/29/2023] [Indexed: 10/26/2023] Open
Abstract
Climate change often includes increases in the occurrence of extreme environmental events. Among these, heatwaves affect the pace of life and performance of wildlife, particularly ectothermic animals, owing to their low thermoregulatory abilities. However, the underlying mechanisms by which this occurs remain unclear. Evidence shows that heatwaves alter the redox balance of ectotherms, and oxidative stress is a major mediator of life-history trade-offs. Therefore, oxidative stress may mediate the effect of extreme thermal conditions on the life histories of ectotherms. To test this hypothesis, a 2 × 2 experiment was conducted to manipulate the redox balance (through a mitochondrial uncoupler that alleviates oxidative stress) of the desert toad-headed agama (Phrynocephalus przewalskii) exposed to heatwave conditions. We recorded lizard growth and survival rates and quantified their redox and immune statuses. In control lizards (unmanipulated redox balance), heatwave conditions decreased growth and survival and induced oxidative damage and immune responses. By contrast, lizards with alleviated oxidative stress showed close-to-normal growth, survival, and immune status when challenged with heatwaves. These results provide mechanistic insight into the role of oxidative stress in mediating the effects of extreme temperatures on ectothermic vertebrates, which may have major eco-evolutionary implications.
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Affiliation(s)
- Qiong Zhang
- Key Laboratory of Animal Ecology and Conservation Biology, Institute of Zoology, Chinese Academy of Sciences, Beijing 100101, People's Republic of China
| | - Xing-Zhi Han
- Key Laboratory of Animal Ecology and Conservation Biology, Institute of Zoology, Chinese Academy of Sciences, Beijing 100101, People's Republic of China
- College of Wildlife Resources, Northeast Forestry University, Harbin 150040, People's Republic of China
| | - Pablo Burraco
- Doñana Biological Station (CSIC), Calle Americo Vespucio 29, 41092 Seville, Spain
| | - Xi-Feng Wang
- Key Laboratory of Animal Ecology and Conservation Biology, Institute of Zoology, Chinese Academy of Sciences, Beijing 100101, People's Republic of China
| | - Li-Wei Teng
- College of Wildlife Resources, Northeast Forestry University, Harbin 150040, People's Republic of China
| | - Zhen-Sheng Liu
- College of Wildlife Resources, Northeast Forestry University, Harbin 150040, People's Republic of China
| | - Wei-Guo Du
- Key Laboratory of Animal Ecology and Conservation Biology, Institute of Zoology, Chinese Academy of Sciences, Beijing 100101, People's Republic of China
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2
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Zamora-Camacho FJ, Burraco P, Zambrano-Fernández S, Aragón P. Ammonium effects on oxidative stress, telomere length, and locomotion across life stages of an anuran from habitats with contrasting land-use histories. THE SCIENCE OF THE TOTAL ENVIRONMENT 2023; 862:160924. [PMID: 36526187 DOI: 10.1016/j.scitotenv.2022.160924] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/06/2022] [Revised: 12/02/2022] [Accepted: 12/10/2022] [Indexed: 06/17/2023]
Abstract
Understanding the mechanistic implications behind wildlife responses to global changes is a central topic in eco-evolutionary research. In particular, anthropic pollution is known to impact wild populations across the globe, which may have even stronger consequences for species with complex life cycles. Among vertebrates, amphibians represent a paradigmatic example of metamorphosis, and their characteristics make them highly vulnerable to pollution. Here, we tested for differences in the redox status, telomere length, and locomotor performance across life stages of green frogs (Pelophylax perezi) from agrosystem and natural habitats, both constitutively and in response to an experimental ammonium exposure (10 mg/L). We found that larvae from the agrosystem constitutively showed an enhanced redox status (better antioxidant balance against H2O2, lower lipid peroxidation) but shorter telomeres as compared to larvae from the natural environment. The larval redox response to ammonium was, overall, similar in both habitats. In contrast, after metamorphosis, the redox status of individuals from the natural habitat seemed to cope better with ammonium exposure (denoted by lower lipid peroxidation), and differences between habitats in telomere length were no longer present. Intriguingly, while the swimming performance of larvae did not correlate with individual's physiology, metamorphs with lower glutathione reductase activity and longer telomeres had a better jumping performance. This may suggest that locomotor performance is both traded off with the production of reactive oxygen species and potentiated directly by longer telomeres or indirectly by the mechanisms that buffer their shortening. Overall, our study suggests that contrasting land-use histories can drive divergence in physiological pathways linked to individual health and lifespan. Since this pattern was life-stage dependent, divergent habitat conditions can have contrasting implications across the ontogenetic development of species with complex life cycles.
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Affiliation(s)
- Francisco Javier Zamora-Camacho
- Department of Biogeography and Global Change, Museo Nacional de Ciencias Naturales (MNCN-CSIC), C/José Gutiérrez Abascal 2, 28006 Madrid, Spain.
| | - Pablo Burraco
- Department of Wetland Ecology, Doñana Biological Station, Avda. Américo Vespucio 26, 41092 Seville, Spain
| | | | - Pedro Aragón
- Department of Biogeography and Global Change, Museo Nacional de Ciencias Naturales (MNCN-CSIC), C/José Gutiérrez Abascal 2, 28006 Madrid, Spain
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3
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Petrović TG, Vučić T, Burraco P, Gavrilović BR, Despotović SG, Gavrić JP, Radovanović TB, Šajkunić S, Ivanović A, Prokić MD. Higher temperature induces oxidative stress in hybrids but not in parental species: A case study of crested newts. J Therm Biol 2023; 112:103474. [PMID: 36796919 DOI: 10.1016/j.jtherbio.2023.103474] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/06/2022] [Revised: 12/11/2022] [Accepted: 12/28/2022] [Indexed: 01/11/2023]
Abstract
Ectotherms are particularly sensitive to global warming due to their limited capacity to thermoregulate, which can impact their performance and fitness. From a physiological standpoint, higher temperatures often enhance biological processes that can induce the production of reactive oxygen species and result in a state of cellular oxidative stress. Temperature alters interspecific interactions, including species hybridization. Hybridization under different thermal conditions could amplify parental (genetic) incompatibilities, thus affecting a hybrid's development and distribution. Understanding the impact of global warming on the physiology of hybrids and particularly their oxidative status could help in predicting future scenarios in ecosystems and in hybrids. In the present study, we investigated the effect of water temperature on the development, growth and oxidative stress of two crested newt species and their reciprocal hybrids. Larvae of Triturus macedonicus and T. ivanbureschi, and their T. macedonicus-mothered and T. ivanbureschi-mothered hybrids were exposed for 30 days to temperatures of 19°C and 24°C. Under the higher temperature, the hybrids experienced increases in both growth and developmental rates, while parental species exhibited accelerated growth (T. macedonicus) or development (T. ivanbureschi). Warm conditions also had different effects on the oxidative status of hybrid and parental species. Parental species had enhanced antioxidant responses (catalase, glutathione peroxidase, glutathione S-transferase and SH groups), which allowed them to alleviate temperature-induced stress (revealed by the absence of oxidative damage). However, warming induced an antioxidant response in the hybrids, including oxidative damage in the form of lipid peroxidation. These findings point to a greater disruption of redox regulation and metabolic machinery in hybrid newts, which can be interpreted as the cost of hybridization that is likely linked to parental incompatibilities expressed under a higher temperature. Our study aims to improve mechanistic understanding of the resilience and distribution of hybrid species that cope with climate-driven changes.
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Affiliation(s)
- Tamara G Petrović
- Department of Physiology, Institute for Biological Research "Siniša Stanković", National Institute of the Republic of Serbia, University of Belgrade, Bulevar despota Stefana 142, 11060, Belgrade, Serbia.
| | - Tijana Vučić
- Faculty of Biology, Institute of Zoology, University of Belgrade, Studentski trg 16, 11000, Belgrade, Serbia; Institute of Biology Leiden, Leiden University, Sylviusweg 72, 2333 BE, Leiden, the Netherlands; Naturalis Biodiversity Center, Darwinweg 2, 2333 CR, Leiden, the Netherlands.
| | - Pablo Burraco
- Doñana Biological Station (CSIC), C/ Americo Vespucci 26, 41092, Seville, Spain.
| | - Branka R Gavrilović
- Department of Physiology, Institute for Biological Research "Siniša Stanković", National Institute of the Republic of Serbia, University of Belgrade, Bulevar despota Stefana 142, 11060, Belgrade, Serbia.
| | - Svetlana G Despotović
- Department of Physiology, Institute for Biological Research "Siniša Stanković", National Institute of the Republic of Serbia, University of Belgrade, Bulevar despota Stefana 142, 11060, Belgrade, Serbia.
| | - Jelena P Gavrić
- Department of Physiology, Institute for Biological Research "Siniša Stanković", National Institute of the Republic of Serbia, University of Belgrade, Bulevar despota Stefana 142, 11060, Belgrade, Serbia.
| | - Tijana B Radovanović
- Department of Physiology, Institute for Biological Research "Siniša Stanković", National Institute of the Republic of Serbia, University of Belgrade, Bulevar despota Stefana 142, 11060, Belgrade, Serbia.
| | - Sanja Šajkunić
- Department of Plant Physiology, Institute for Biological Research "Siniša Stanković", National Institute of the Republic of Serbia, University of Belgrade, Bulevar despota Stefana 142, 11060, Belgrade, Serbia.
| | - Ana Ivanović
- Faculty of Biology, Institute of Zoology, University of Belgrade, Studentski trg 16, 11000, Belgrade, Serbia.
| | - Marko D Prokić
- Department of Physiology, Institute for Biological Research "Siniša Stanković", National Institute of the Republic of Serbia, University of Belgrade, Bulevar despota Stefana 142, 11060, Belgrade, Serbia.
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Cardoso RC, Ferreira RL, Souza-Silva M. Multi-spatial analysis on cave ecosystems to predict the diversity of subterranean invertebrates. Basic Appl Ecol 2022. [DOI: 10.1016/j.baae.2022.11.007] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
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Differential transcriptomic responses to heat stress in surface and subterranean diving beetles. Sci Rep 2022; 12:16194. [PMID: 36171221 PMCID: PMC9519976 DOI: 10.1038/s41598-022-20229-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/21/2022] [Accepted: 09/09/2022] [Indexed: 11/21/2022] Open
Abstract
Subterranean habitats are generally very stable environments, and as such evolutionary transitions of organisms from surface to subterranean lifestyles may cause considerable shifts in physiology, particularly with respect to thermal tolerance. In this study we compared responses to heat shock at the molecular level in a geographically widespread, surface-dwelling water beetle to a congeneric subterranean species restricted to a single aquifer (Dytiscidae: Hydroporinae). The obligate subterranean beetle Paroster macrosturtensis is known to have a lower thermal tolerance compared to surface lineages (CTmax 38 °C cf. 42–46 °C), but the genetic basis of this physiological difference has not been characterized. We experimentally manipulated the thermal environment of 24 individuals to demonstrate that both species can mount a heat shock response at high temperatures (35 °C), as determined by comparative transcriptomics. However, genes involved in these responses differ between species and a far greater number were differentially expressed in the surface taxon, suggesting it can mount a more robust heat shock response; these data may underpin its higher thermal tolerance compared to subterranean relatives. In contrast, the subterranean species examined not only differentially expressed fewer genes in response to increasing temperatures, but also in the presence of the experimental setup employed here alone. Our results suggest P. macrosturtensis may be comparatively poorly equipped to respond to both thermally induced stress and environmental disturbances more broadly. The molecular findings presented here have conservation implications for P. macrosturtensis and contribute to a growing narrative concerning weakened thermal tolerances in obligate subterranean organisms at the molecular level.
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Meierhofer MB, Cardoso P, Lilley T, Mammola S. The promise and perils of engineering cave climates: response to Turner et al. . CONSERVATION BIOLOGY : THE JOURNAL OF THE SOCIETY FOR CONSERVATION BIOLOGY 2022; 36:e13927. [PMID: 35510357 DOI: 10.1111/cobi.13927] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/06/2021] [Revised: 09/28/2021] [Accepted: 10/25/2021] [Indexed: 06/14/2023]
Affiliation(s)
- Melissa B Meierhofer
- BatLab Finland, Finnish Museum of Natural History Luomus, University of Helsinki, Helsinki, Finland
| | - Pedro Cardoso
- Laboratory for Integrative Biodiversity Research (LIBRe), Finnish Museum of Natural History Luomus, University of Helsinki, Helsinki, Finland
| | - Thomas Lilley
- BatLab Finland, Finnish Museum of Natural History Luomus, University of Helsinki, Helsinki, Finland
| | - Stefano Mammola
- Laboratory for Integrative Biodiversity Research (LIBRe), Finnish Museum of Natural History Luomus, University of Helsinki, Helsinki, Finland
- Water Research Institute, National Research Council, Verbania Pallanza, Italy
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Saiz E, Griffell K, Olivares M, Solé M, Theodorou I, Calbet A. Reduction in thermal stress of marine copepods after physiological acclimation. JOURNAL OF PLANKTON RESEARCH 2022; 44:427-442. [PMID: 35664084 PMCID: PMC9155217 DOI: 10.1093/plankt/fbac017] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 11/26/2021] [Accepted: 03/17/2022] [Indexed: 06/15/2023]
Abstract
We studied the phenotypic response to temperature of the marine copepod Paracartia grani at the organismal and cellular levels. First, the acute (2 days) survival, feeding and reproductive performances at 6-35°C were determined. Survival was very high up to ca. 30°C and then dropped, whereas feeding and fecundity peaked at 23-27°C. An acclimation response developed after longer exposures (7 days), resulting in a decline of the biological rate processes. As a consequence, Q10 coefficients dropped from 2.6 to 1.6, and from 2.7 to 1.7 for ingestion and egg production, respectively. Due to the similarity in feeding and egg production thermal responses, gross-growth efficiencies did not vary with temperature. Respiration rates were less sensitive (lower Q10) and showed an opposite pattern, probably influenced by starvation during the incubations. The acclimation response observed in the organismal rate processes was accompanied by changes in body stoichiometry and in the antioxidant defense and cell-repair mechanisms. Predictions of direct effects of temperature on copepod performance should consider the reduction of Q10 coefficients due to the acclimation response. Copepod population dynamic models often use high Q10 values and may overestimate thermal effects.
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Affiliation(s)
| | - Kaiene Griffell
- INSTITUT DE CIÈNCIES DEL MAR (ICM–CSIC), PG. MARíTIM DE LA BARCELONETA 37-49, BARCELONA, CATALONIA 08003, SPAIN
| | - Manuel Olivares
- INSTITUT DE CIÈNCIES DEL MAR (ICM–CSIC), PG. MARíTIM DE LA BARCELONETA 37-49, BARCELONA, CATALONIA 08003, SPAIN
| | - Montserrat Solé
- INSTITUT DE CIÈNCIES DEL MAR (ICM–CSIC), PG. MARíTIM DE LA BARCELONETA 37-49, BARCELONA, CATALONIA 08003, SPAIN
| | | | - Albert Calbet
- INSTITUT DE CIÈNCIES DEL MAR (ICM–CSIC), PG. MARíTIM DE LA BARCELONETA 37-49, BARCELONA, CATALONIA 08003, SPAIN
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8
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Colado R, Pallarés S, Fresneda J, Mammola S, Rizzo V, Sánchez-Fernández D. Climatic stability, not average habitat temperature, determines thermal tolerance of subterranean beetles. Ecology 2022; 103:e3629. [PMID: 35018629 DOI: 10.1002/ecy.3629] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/19/2021] [Revised: 10/08/2021] [Accepted: 10/21/2021] [Indexed: 11/06/2022]
Abstract
The climatic variability hypothesis predicts the evolution of species with wide thermal tolerance ranges in environments with variable temperatures, and the evolution of thermal specialists in thermally stable environments. In caves, the extent of spatial and temporal thermal variability experienced by taxa decreases with their degree of specialization to deep subterranean habitats. We use Phylogenetic Generalized Least Squares to model the relationship between thermal tolerance (upper lethal limits), subterranean specialization (estimated using ecomorphological traits) and habitat temperature in sixteen beetle species of the tribe Leptodirini (Leiodidae). We found a significant, negative relationship between thermal tolerance and the degree of subterranean specialization. Conversely, habitat temperature had only a marginal effect on lethal limits. In agreement with the climatic variability hypothesis and under a climate change context, we show that the specialization process to live in deep subterranean habitats involves a reduction of upper lethal limits, but not an adjustment to habitat temperature. Thermal variability seems to exert a higher evolutionary pressure than mean habitat temperature to configure the thermal niche of subterranean species. Our results provide novel insights on thermal physiology of species with poor dispersal capabilities and on the evolutionary process of adaptation to subterranean environments. We further emphasize that the pathways determining vulnerability of subterranean species to climate change greatly depend on the degree of specialization to deep subterranean environments.
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Affiliation(s)
- Raquel Colado
- Departamento de Ecología e Hidrología, Facultad de Biología, Universidad de Murcia, Campus Espinardo, Murcia, Spain
| | - Susana Pallarés
- Departamento de Biogeografía y Cambio Global, Museo Nacional de Ciencias Naturales, CSIC, Calle José Gutierrez Abascal 2, 28006, Madrid, Spain
| | - Javier Fresneda
- Ca de Massa, 25526 Llesp- El Pont de Suert, Lleida, Spain; Museu de Ciències Naturals (Zoología), Barcelona, Spain
| | - Stefano Mammola
- LIBRe-Laboratory for Integrative Biodiversity Research, Finnish Museum of Natural History, University of Helsinki, Pohjoinen Rautatiekatu 13, Helsinki, Finland.,DarkMEG-Molecular Ecology Group, Water Research Institute (IRSA), National Research Council of Italy (CNR), Largo Tonolli 50, 28922, Verbania Pallanza, Italy
| | | | - David Sánchez-Fernández
- Departamento de Ecología e Hidrología, Facultad de Biología, Universidad de Murcia, Campus Espinardo, Murcia, Spain
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Isaia M, Arnedo MA, Mammola S. A multi-layered approach uncovers overlooked taxonomic and physiological diversity in Alpine subterranean spiders (Araneae: Linyphiidae: Troglohyphantes). INVERTEBR SYST 2022. [DOI: 10.1071/is21054] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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10
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Mammola S, Lunghi E, Bilandžija H, Cardoso P, Grimm V, Schmidt SI, Hesselberg T, Martínez A. Collecting eco-evolutionary data in the dark: Impediments to subterranean research and how to overcome them. Ecol Evol 2021; 11:5911-5926. [PMID: 34141192 PMCID: PMC8207145 DOI: 10.1002/ece3.7556] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/05/2021] [Revised: 03/23/2021] [Accepted: 03/25/2021] [Indexed: 12/25/2022] Open
Abstract
Caves and other subterranean habitats fulfill the requirements of experimental model systems to address general questions in ecology and evolution. Yet, the harsh working conditions of these environments and the uniqueness of the subterranean organisms have challenged most attempts to pursuit standardized research.Two main obstacles have synergistically hampered previous attempts. First, there is a habitat impediment related to the objective difficulties of exploring subterranean habitats and our inability to access the network of fissures that represents the elective habitat for the so-called "cave species." Second, there is a biological impediment illustrated by the rarity of most subterranean species and their low physiological tolerance, often limiting sample size and complicating laboratory experiments.We explore the advantages and disadvantages of four general experimental setups (in situ, quasi in situ, ex situ, and in silico) in the light of habitat and biological impediments. We also discuss the potential of indirect approaches to research. Furthermore, using bibliometric data, we provide a quantitative overview of the model organisms that scientists have exploited in the study of subterranean life.Our over-arching goal is to promote caves as model systems where one can perform standardized scientific research. This is important not only to achieve an in-depth understanding of the functioning of subterranean ecosystems but also to fully exploit their long-discussed potential in addressing general scientific questions with implications beyond the boundaries of this discipline.
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Affiliation(s)
- Stefano Mammola
- Laboratory for Integrative Biodiversity Research (LIBRe)Finnish Museum of Natural History (LUOMUS)University of HelsinkiHelsinkiFinland
- Dark‐MEG: Molecular Ecology GroupWater Research Institute (IRSA)National Research Council (CNR)VerbaniaItaly
| | - Enrico Lunghi
- Key Laboratory of the Zoological Systematics and EvolutionInstitute of ZoologyChinese Academy of SciencesBeijingChina
- Museo di Storia Naturale dell'Università degli Studi di Firenze“La Specola”FirenzeItaly
| | - Helena Bilandžija
- Department of Molecular BiologyRudjer Boskovic InstituteZagrebCroatia
| | - Pedro Cardoso
- Laboratory for Integrative Biodiversity Research (LIBRe)Finnish Museum of Natural History (LUOMUS)University of HelsinkiHelsinkiFinland
| | - Volker Grimm
- Department of Ecological ModellingHelmholtz Centre for Environmental Research – UFZLeipzigGermany
- Plant Ecology and Nature ConservationUniversity of PotsdamPotsdamGermany
- German Centre for Integrative Biodiversity Research (iDiv) Halle‐Jena‐LeipzigLeipzigGermany
| | - Susanne I. Schmidt
- Institute of HydrobiologyBiology Centre CASČeské BudějoviceCzech Republic
| | | | - Alejandro Martínez
- Dark‐MEG: Molecular Ecology GroupWater Research Institute (IRSA)National Research Council (CNR)VerbaniaItaly
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Pallarés S, Colado R, Botella‐Cruz M, Montes A, Balart‐García P, Bilton DT, Millán A, Ribera I, Sánchez‐Fernández D. Loss of heat acclimation capacity could leave subterranean specialists highly sensitive to climate change. Anim Conserv 2020. [DOI: 10.1111/acv.12654] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Affiliation(s)
- S. Pallarés
- Marine Biology and Ecology Research Centre School of Biological and Marine Sciences University of Plymouth Plymouth UK
- Instituto de Ciencias Ambientales Universidad de Castilla‐La Mancha Toledo Spain
| | - R. Colado
- Instituto de Ciencias Ambientales Universidad de Castilla‐La Mancha Toledo Spain
- Departamento de Ecología e Hidrología Universidad de Murcia Murcia Spain
| | - M. Botella‐Cruz
- Departamento de Ecología e Hidrología Universidad de Murcia Murcia Spain
| | - A. Montes
- Basque Society for Biology Conservation Guipúzcoa Spain
- Cuevas de Oñati‐Arrikrutz Guipúzcoa Spain
| | - P. Balart‐García
- Institut de Biologia Evolutiva (CSIC‐Universitat Pompeu Fabra) Barcelona Spain
| | - D. T. Bilton
- Marine Biology and Ecology Research Centre School of Biological and Marine Sciences University of Plymouth Plymouth UK
- Department of Zoology University of Johannesburg Johannesburg South Africa
| | - A. Millán
- Departamento de Ecología e Hidrología Universidad de Murcia Murcia Spain
| | - I. Ribera
- Institut de Biologia Evolutiva (CSIC‐Universitat Pompeu Fabra) Barcelona Spain
| | - D. Sánchez‐Fernández
- Instituto de Ciencias Ambientales Universidad de Castilla‐La Mancha Toledo Spain
- Departamento de Ecología e Hidrología Universidad de Murcia Murcia Spain
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