Climate change paves the way for a new inter‐ocean fish interchange

Azzurro, Ernesto; D’Amen, Manuela

doi:10.1002/fee.2459

Cited by 12 publications

(6 citation statements)

References 28 publications

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“…In other words, the more recent the introduction, the faster the expansion. This observation, which reinforces the hypothesis of a general acceleration of the invasion processes, may be explained by a weakening—due to climate change—of the climatic barriers that have previously prevented dispersal (Azzurro & D'Amen, 2022 ).…”

Section: Discussionsupporting

confidence: 78%

“…Earlier versions have been employed for large‐scale investigations of invasive species (e.g. Azzurro & D'Amen, 2022 ; D'Amen & Azzurro, 2020a , 2020b ; Parravicini et al, 2015 ). The current version comprises the occurrence records of presumably all the non‐indigenous fish species recorded in the Mediterranean to date, including recent Atlantic immigrants.…”

Section: Methodsmentioning

confidence: 99%

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Spatio‐temporal dynamics of exotic fish species in the Mediterranean Sea: Over a century of invasion reconstructed

Azzurro

Smeraldo

D’Amen

2022

Global Change Biology

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Marine bioinvasions are a centuries-old phenomenon (Carlton, 1996;Ojaveer et al., 2018). However, in the past few decades human activities have dramatically accelerated their pace all over the world (Carlton, 1996;Fowler et al., 2020). Like other global environmental issues, the spatial and temporal extent of marine bioinvasions is subject to increasing observational efforts (Sagarin & Pauchard, 2010), especially in areas like the Mediterranean Sea, which is a major invasion hotspot (Edelist et al., 2013). This basin, which is naturally rich in

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Section: Discussionsupporting

confidence: 78%

Section: Methodsmentioning

confidence: 99%

Spatio‐temporal dynamics of exotic fish species in the Mediterranean Sea: Over a century of invasion reconstructed

Azzurro

Smeraldo

D’Amen

2022

Global Change Biology

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“…Climate change can rapidly reshape the distribution of species and the composition of ecological communities (Pörtner et al, 2023;Smale et al, 2019), imperiling nature's contributions to people. In particular, episodic periods of anomalous ocean warming, hereafter "marine heatwaves," are driving pronounced shifts in species distributions across marine ecosystems (Azzurro & D'Amen, 2022;Olsen et al, 2022), with direct implications for ecological processes and associated human benefits (Cheung et al, 2021;Cinner et al, 2022;Payne et al, 2021;Smale et al, 2019;Smith et al, 2023). While the urgency to plan for adaptation to climate change is clear, as marine heatwaves increase in frequency and severity (Holbrook et al, 2019), pathways to enhance ecosystem resilience are mixed.…”

Section: Introductionmentioning

confidence: 99%

A marine protected area network does not confer community structure resilience to a marine heatwave across coastal ecosystems

Smith

Free

Lopazanski

et al. 2023

Global Change Biology

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Marine protected areas (MPAs) have gained attention as a conservation tool for enhancing ecosystem resilience to climate change. However, empirical evidence explicitly linking MPAs to enhanced ecological resilience is limited and mixed. To better understand whether MPAs can buffer climate impacts, we tested the resistance and recovery of marine communities to the 2014–2016 Northeast Pacific heatwave in the largest scientifically designed MPA network in the world off the coast of California, United States. The network consists of 124 MPAs (48 no‐take state marine reserves, and 76 partial‐take or special regulation conservation areas) implemented at different times, with full implementation completed in 2012. We compared fish, benthic invertebrate, and macroalgal community structure inside and outside of 13 no‐take MPAs across rocky intertidal, kelp forest, shallow reef, and deep reef nearshore habitats in California's Central Coast region from 2007 to 2020. We also explored whether MPA features, including age, size, depth, proportion rock, historic fishing pressure, habitat diversity and richness, connectivity, and fish biomass response ratios (proxy for ecological performance), conferred climate resilience for kelp forest and rocky intertidal habitats spanning 28 MPAs across the full network. Ecological communities dramatically shifted due to the marine heatwave across all four nearshore habitats, and MPAs did not facilitate habitat‐wide resistance or recovery. Only in protected rocky intertidal habitats did community structure significantly resist marine heatwave impacts. Community shifts were associated with a pronounced decline in the relative proportion of cold water species and an increase in warm water species. MPA features did not explain resistance or recovery to the marine heatwave. Collectively, our findings suggest that MPAs have limited ability to mitigate the impacts of marine heatwaves on community structure. Given that mechanisms of resilience to climate perturbations are complex, there is a clear need to expand assessments of ecosystem‐wide consequences resulting from acute climate‐driven perturbations, and the potential role of regulatory protection in mitigating community structure changes.

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“…Climate change affects the timing of juvenile fish entering estuaries [47]. Additionally, climate warming weakens constraints on the spread of marine fish [48]. Changes in the population of bait organisms in local aquatic ecosystems undoubtedly influence the invasion of non-native fish species [49].…”

Section: Discussionmentioning

confidence: 99%

Nonnative Fish in the Pearl River Delta: A Comprehensive Study on Their Salinity Adaptability and Potential Distribution Area in Brackish Water

Luo,

Yang,

et al. 2024

Preprint

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After extensive aquaculture, urbanization, and industrial development, the Pearl River Delta (PRD) has undergone profound environmental changes, with biological invasion emerging as a consequential anthropogenic byproduct, carrying significant implications for natural ecosystems, human health, and the economy. Despite these transformations, our understanding of nonnative fish species and their adaptability to the dynamic environmental conditions within the intricate river network of the PRD remains incomplete. To address this, we conducted a systematic survey of nonnative fish species in PRD waters through literature reviews. Then we analyzed the salinity adaptation of these fish, coupled with a spatial examination of salinity distribution, to comprehensively understand the potential invasion mechanisms of exotic fish in the region. Our findings identified 25 nonnative fish species in PRD waters, with three being translocated species within China and the remaining 22 being exotic introductions. Phylogenetically, these fish are broadly distributed among several orders, with Cichliformes, Perciformes, Cypriniformes, and Siluriformes emerging as the predominant orders. Despite most of the nonnative fish being freshwater species and exhibiting species-specific differences in salinity adaptability, they generally demonstrated an average salinity tolerance of 23.74 ppt, allowing them to adjust to brackish water. The diversity of species declined as the relative distance decreased from the upstream of the Pearl River Estuary (PRE) to its mouth in the sea (p < 0.01). Spatial analysis unveiled pronounced heterogeneity in salinity distribution, particularly in the east PRE of the LingDing Bay, featuring a sizable area with brackish water. Notably, under salinity intrusion circumstances, a gap region between salinity levels of 5.0 ppt and 15.0 ppt, spanning 3111.2 km2, emerged as a potential adaptation zone for nonnative fish. By emphasizing salinity as a key factor, our study may contribute to elucidating invasion mechanisms and enhancing the assessment of invasion risks in estuarine environments.

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Climate change paves the way for a new inter‐ocean fish interchange

Cited by 12 publications

References 28 publications

Spatio‐temporal dynamics of exotic fish species in the Mediterranean Sea: Over a century of invasion reconstructed

Spatio‐temporal dynamics of exotic fish species in the Mediterranean Sea: Over a century of invasion reconstructed

A marine protected area network does not confer community structure resilience to a marine heatwave across coastal ecosystems

Nonnative Fish in the Pearl River Delta: A Comprehensive Study on Their Salinity Adaptability and Potential Distribution Area in Brackish Water

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