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Dynamics of Decapoda larvae communities in a southwest Iberian estuary: Understanding the impact of different thermal regimes

2023Journal article Restricted access
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dc.contributor.authorMonteiro, Marta
dc.contributor.authorCruz, Joana
dc.contributor.authorAzeiteiro, Ulisses
dc.contributor.authorMarques, Sónia Cotrim
dc.contributor.authorBaptista, Vânia
dc.contributor.authorTeodosio, Maria Alexandra
dc.date.accessioned2023-11-29T10:47:51Z
dc.date.available2023-11-29T10:47:51Z
dc.date.issued2023
dc.description.abstractEnvironmental conditions play a pivotal role in shaping the dynamics of meroplanktonic communities, which represent a vital life stage, crucial for successful recruitment. Specifically, temperature can impact the survival and duration of larval development in decapod crustacean species. The objective of this study is to analyze the community of decapod larvae in the Guadiana estuary, located in southwest Iberia. The analysis focuses on the community's taxonomic composition, temporal variability, and the influence of environmental factors. Particularly, the study emphasizes investigating the impacts of different thermal regimes on the abundance of these assemblages. A comprehensive zooplankton sampling program was conducted at a single station in the lower estuary, from 2014 to 2022. The decapod larvae assemblages are dominated by Upogebia spp., followed by Diogenes pugilator, Panopeus africanus, Afropinnotheres monodi, and Polybius henslowii species. The results of structural equation modeling unveiled a strong influence of water temperature and salinity on the community, while chlorophyll-a concentration, river runoff, and the large-scale climatic mode North Atlantic Oscillation (NAO) revealed no impact on the abundance of these assemblages. Overall, the community and the main taxa displayed a positive linear trend in response to increased salinity. However, the effect of increasing temperature varied among species. In the current climatic scenario, water temperature emerges as a critical factor in predicting seasonal variation of the assemblages' abundances, exhibiting a marked seasonality during spring and summer. Predictive models used to investigate future scenarios, Representative Concentration Pathway (RCP) 2.6 and RCP 8.5, defined by the International Panel on Climate Change (IPCC), where the temperature is expected to rise 2 °C and 4.3 °C by 2100, suggest the possibility for an alteration in assemblages' composition, where the abundances of D. pugilator, the second most abundant species, tend to decrease abruptly. Reported evidence, coupled with the typical Mediterranean climate of the region, where extreme climatic events, like marine heatwaves, are becoming more frequent, the high connectivity with the Mediterranean Sea, where invasion by non-indigenous species is increasing, also connected with changes in freshwater discharges, may trigger significant alterations in species dominance and abundance, with ecological and socio-economic implications.pt_PT
dc.description.versioninfo:eu-repo/semantics/publishedVersionpt_PT
dc.identifier.citationMarta Monteiro, Joana Cruz, Ulisses Azeiteiro, Sónia Cotrim Marques, Vânia Baptista, Maria Alexandra Teodósio, Dynamics of Decapoda larvae communities in a southwest Iberian estuary: Understanding the impact of different thermal regimes, Estuarine, Coastal and Shelf Science, Volume 294, 2023, 108547, ISSN 0272-7714, https://doi.org/10.1016/j.ecss.2023.108547.pt_PT
dc.identifier.doi10.1016/j.ecss.2023.108547pt_PT
dc.identifier.issn0272-7714
dc.identifier.urihttp://hdl.handle.net/10400.8/8974
dc.language.isoengpt_PT
dc.peerreviewedyespt_PT
dc.publisherElsevierpt_PT
dc.relationMarine Heat Waves impacts on coastal invertebrates
dc.relationCentre for Environmental and Marine Studies
dc.relationCentre for Environmental and Marine Studies
dc.relationCentre for Environmental and Marine Studies
dc.relationMarine and Environmental Sciences Centre
dc.relationMarine and Environmental Sciences Centre
dc.relationAquatic Research Infrastructure Network
dc.relationAlgarve Centre for Marine Sciences
dc.relationAlgarve Centre for Marine Sciences
dc.relationCentre for Marine and Environmental Research
dc.relationMonitoring plastic pollution through the bottom to the top of aquatic food webs
dc.relationHow pelagic fish larvae find suitable nursery habitats? A comparison between Atlantic temperate and tropical ecosystems
dc.relation.publisherversionhttps://www.sciencedirect.com/science/article/pii/S0272771423003372pt_PT
dc.rights.urihttp://creativecommons.org/licenses/by-nc-nd/4.0/pt_PT
dc.subjectTemperaturept_PT
dc.subjectMeroplanktonpt_PT
dc.subjectExtreme climatic eventspt_PT
dc.subjectGuadiana estuarypt_PT
dc.subjectCrustaceanspt_PT
dc.titleDynamics of Decapoda larvae communities in a southwest Iberian estuary: Understanding the impact of different thermal regimespt_PT
dc.typejournal article
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oaire.citation.titleEstuarine, Coastal and Shelf Sciencept_PT
oaire.citation.volume294pt_PT
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person.familyNameFERREIRA MONTEIRO
person.familyNameReis Franco Cruz
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person.familyNameCotrim Marques
person.familyNameBaptista
person.familyNameANICA TEODÓSIO
person.givenNameMARTA RAQUEL
person.givenNameJoana Maria
person.givenNameUlisses Manuel de Miranda
person.givenNameSónia
person.givenNameVânia
person.givenNameMARIA ALEXANDRA
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