Marine Chemistry, Год журнала: 2025, Номер unknown, С. 104515 - 104515
Опубликована: Апрель 1, 2025
Язык: Английский
Photochemical & Photobiological Sciences, Год журнала: 2023, Номер 22(5), С. 1093 - 1127
Опубликована: Май 2, 2023
Variations in stratospheric ozone and changes the aquatic environment by climate change human activity are modifying exposure of ecosystems to UV radiation. These shifts have consequences for distributions species, biogeochemical cycles, services provided ecosystems. This Quadrennial Assessment presents latest knowledge on multi-faceted interactions between effects irradiation change, other anthropogenic activities, how these conditions changing Climate results variations depth mixing, thickness ice cover, duration ice-free inputs dissolved organic matter, all which can either increase or decrease Anthropogenic activities release oil, filters sunscreens, microplastics into that then modified radiation, frequently amplifying adverse organisms their environments. The impacts combination with factors such as warming ocean acidification considered micro-organisms, macroalgae, plants, animals (floating, swimming, attached). Minimising disruptive critical world's rivers, lakes oceans (freshwater supply, recreation, transport, food security) will not only require continued adherence Montreal Protocol but also a wider inclusion solar radiation its studies and/or models under future global climate.
Язык: Английский
Процитировано
48
Global Change Biology, Год журнала: 2019, Номер 26(1), С. 80 - 102
Опубликована: Окт. 31, 2019
Abstract Although cross generation (CGP) and multigenerational (MGP) plasticity have been identified as mechanisms of acclimation to global change, the weight evidence indicates that parental conditioning over generations is not a panacea rescue stress sensitivity in offspring. For many species, there were no benefits conditioning. Even when improved performance was observed, this waned time within or across fitness declined. CGP MGP studies resilient species with tolerant genotypes wild populations selected family lines. Several bivalves possess favourable tolerance phenotypically plastic traits potentially associated genetic adaptation life habitats where they routinely experience temperature and/or acidification stress. These will be important help ‘climate proof’ shellfish ventures. Species are naturally those broad range environmental conditions good candidates provide insights into physiological molecular involved MGP. It challenging conduct ecologically relevant change experiments long times commensurate pace changing climate. As result, present stressors shock‐type exposure at rates much faster than projected scenarios. With more gradual stressor introduction longer experimental durations context currently acclimatized adapted to, outcomes for sensitive might differ. We highlight importance understand primordial germ cell development timing gametogenesis respect exposure. appears limited universal tool face climate, natural proxies future (upwelling zones, CO 2 vents, warm habitats) show phenotypic adjustment beneficial selection possible some indicating complex plasticity–adaptation interactions.
Язык: Английский
Процитировано
132
Ecosphere, Год журнала: 2022, Номер 13(2)
Опубликована: Фев. 1, 2022
Abstract Marine species and ecosystems are widely affected by anthropogenic stressors, ranging from pollution fishing to climate change. Comprehensive assessments of how impacted stressors critical for guiding conservation management investments. Previous global risk or vulnerability have focused on marine habitats, limited taxa specific regions. However, information about the susceptibility across a range different everywhere is required predict biodiversity will respond human pressures. We present novel framework that uses life‐history traits assess species' stressor, which we compare more than 44,000 12 taxonomic groups (classes). Using expert elicitation literature review, assessed every combination each 42 22 calculate representative group's sensitivity adaptive capacity then used these derive their overall relative vulnerability. The with greatest potential impact were related biomass removal (e.g., fisheries), pollution, highest vulnerabilities mollusks, corals, echinoderms, while elasmobranchs had fishing‐related stressors. Traits likely confer change presence calcium carbonate structures, whether exists interface marine, terrestrial, atmospheric realms. planktonic state, organism size, respiration. Such replicable, broadly applicable method useful informing ocean decisions at scales, amenable further testing improvement. Our assessing first step toward generating cumulative maps based comprehensive species, rather habitats.
Язык: Английский
Процитировано
40
Biogeosciences, Год журнала: 2024, Номер 21(1), С. 223 - 239
Опубликована: Янв. 12, 2024
Abstract. The impacts of climate change on marine organisms have been increasingly documented in laboratory and experimental studies. However, the use different taxonomic groupings assessment a range processes make identifying overall trends challenging. Meta-analysis has used to determine general trends, but coarse granularity may mask phylogenetically specific responses. Bivalve molluscs are data-rich clade ecologically economically important calcifying taxa that allow for species-specific vulnerability across developmental stages. Drawing large body available literature, we conduct meta-analysis 203 unique set-ups order examine how bivalve growth responds increased water temperature, acidity, deoxygenation, changes salinity 10 stressor combinations. This is most complete examination responses date shows anthropogenic will disproportionally affect particular families, suggesting differentiation response. Specifically, Mytilidae, Ostreidae, Pectinidae (67 % experiments) respond with negative effect sizes all individual stressors, whereas Pinnidae, Tellinidae, Veneridae more complex. Our analysis earlier studies reporting bivalves driven by only three or four well-studied, commercially families. Despite differentiation, almost drivers their combinations significant effects growth. synergistic acidification, temperature result largest size. Infaunal taxa, including Tellinidae Veneridae, appear resistant warming oxygen reduction than epifaunal motile this difference between two also based small number data points. current focus families within geographic creates gaps understanding global these foundation organisms.
Язык: Английский
Процитировано
9
Developments in aquaculture and fisheries science, Год журнала: 2020, Номер unknown, С. 281 - 297
Опубликована: Янв. 1, 2020
Язык: Английский
Процитировано
51
Global Change Biology, Год журнала: 2021, Номер 27(16), С. 3779 - 3797
Опубликована: Май 9, 2021
Abstract Biomineralization is one of the key processes that notably affected in marine calcifiers such as oysters under ocean acidification (OA). Understanding molecular changes biomineralization process OA and its heritability, therefore, to developing conservation strategies for protecting ecologically economically important oyster species. To do this, this study, we have explicitly chosen tissue involved (mantle) an estuarine commercial species, Crassostrea hongkongensis . The primary aim study understand influence DNA methylation over gene expression mantle decreased ~pH 7.4, a proxy OA, extrapolate if these can be observed product biomineralization—the shell. We grew early juvenile C. , 7.4 control 8.0 4.5 months studied OA‐induced patterns along with shell properties microstructure, crystal orientation hardness. population used was found moderately resilient at end experiment. biomineralization‐related genes carbonic anhydrase alkaline phosphatase remained unaffected; thus, mechanical (shell growth rate, hardness orientation) were also maintained without any significant difference between conditions signs severe dissolution. In addition, makes three major conclusions: (1) higher Ca 2+ binding/signalling‐related plays role maintaining OA; (2) occur response however, not directly expression; (3) would more ‘dissolution problem’ rather than ‘biomineralization species maintain calcification rate normal properties.
Язык: Английский
Процитировано
43
Frontiers in Marine Science, Год журнала: 2021, Номер 8
Опубликована: Май 19, 2021
Assessing the vulnerability of marine invertebrates to ocean acidification (OA) requires an understanding critical thresholds at which developmental, physiological, and behavioral traits are affected. To identify relevant for echinoderms, we undertook a three-step data synthesis, focused on California Current Ecosystem (CCE) species. First, literature characterizing echinoderm responses OA was compiled, creating dataset comprised >12,000 datapoints from 41 studies. Analysis this set demonstrated related physiology, behavior, growth development, increased mortality in larval adult stages low pH exposure. Second, statistical analyses were conducted selected pathways specific duration, taxa, depth-related life stage. Exposure reduced led impaired across range endpoints both stages. Third, through discussions expert panel identified eight duration-dependent, stage, habitat-dependent assigned each confidence score based quantity agreement evidence. The these effects ranged within 7.20 7.74 duration 7 30 days, all characterized with either medium or confidence. These yielded risk early warning lethal impacts, providing foundation consistent interpretation monitoring numerical model simulations support climate change assessments evaluation management strategies. As demonstration, two applied CCE visualize current state conditions potential habitat.
Язык: Английский
Процитировано
43
Global Change Biology, Год журнала: 2022, Номер 28(10), С. 3333 - 3348
Опубликована: Янв. 29, 2022
Studies on the impact of ocean acidification marine organisms involve exposing to future scenarios, which has limited relevance for coastal calcifiers living in a mosaic habitats. Identification tipping points beyond detrimental effects are observed is widely generalizable proxy susceptibility at population level. This approach handful studies that focus only few macro-physiological traits, thus overlooking whole organism response. Here we develop framework analyze broad and molecular responses over wide pH range juvenile oyster. We identify low physiological traits 7.3-6.9 coincide with major reshuffling membrane lipids transcriptome. In contrast, drop affects shell parameters above points, likely impacting animal fitness. These findings were made possible by development an innovative methodology synthesize main patterns variations large -omic data sets, fitting them identifying points. propose application our assessment global change other organisms.
Язык: Английский
Процитировано
32
Global Change Biology, Год журнала: 2019, Номер 25(12), С. 4105 - 4115
Опубликована: Сен. 25, 2019
Abstract Commercial shellfish aquaculture is vulnerable to the impacts of ocean acidification driven by increasing carbon dioxide (CO 2 ) absorption as well coastal land run off and rising sea level. These drivers environmental have deleterious effects on biomineralization. We investigated shell biomineralization selectively bred wild‐type families Sydney rock oyster Saccostrea glomerata in a study oysters being farmed estuaries at leases differing acidification. The contrasting estuarine pH regimes enabled us determine mechanisms growth vulnerability this species contemporary Determination source carbon, mechanism uptake use biomineral formation are key understanding future We, therefore, characterized crystallography shells S. glomerata, resident habitats subjected acidification, using high‐resolution electron backscatter diffraction isotope analyses (as δ 13 C). show that for fast selected disease resistance can alter their calcite crystal biomineralization, promoting resilience responses habitat provide insights into mollusc under climate change conditions. Importantly, we selective breeding likely be an important global mitigation strategy sustainable withstand climate‐driven
Язык: Английский
Процитировано
43
The Science of The Total Environment, Год журнала: 2021, Номер 771, С. 145208 - 145208
Опубликована: Янв. 22, 2021
Язык: Английский
Процитировано
33