Khuong V Dinh

• Vu, Trong Dai; Le, Minh Hoang & Dinh, van Khuong (2026). Extreme warming increases metabolic demand and diminishes acidification effects on larval survival in the dog conch Strombus canarium. Frontiers in Marine Science. 13, p. 1–11. doi: 10.3389/fmars.2026.1914485. Full text in Research Archive
• Vu, Ngoc Anh; Le, Minh Hoang; Lu, Tuan Anh Hoang; Luu, Hoang Viet; Doan, Nam X. & Truong, Kiem N. [Show all 7 contributors for this article] (2026). Timing of marine heatwave exposure across developmental stages modulates the copper effects on fitness traits in tropical copepods. Frontiers in Marine Science. 13, p. 1–12. doi: 10.3389/fmars.2026.1843680. Full text in Research Archive
• Hich, Tran Vi; Dinh, van Khuong; Cuc, Nguyen Thi Kim; Giang, Nguyen Thi Thuy; Phuong, Pham Thi Dan & Minh, Nguyen Cong [Show all 7 contributors for this article] (2026). Chitosan nanoparticles derived from molted shrimp shells as biodegradable adjuvants for Vibrio harveyi vaccination in Asian sea bass (Lates calcarifer). Regional Studies in Marine Science. 102. doi: 10.1016/j.rsma.2026.105385. Full text in Research Archive
• Duong, Cuong V.; Ta, Le Minh; Pham, Thanh Thuy Thi; Vu, Ngoc Anh & Dinh, van Khuong (2026). Predatory effectiveness of the copepod Mesocyclops thermocyclopoides on Aedes aegypti larvae: insights for biological control. Pest Management Science. ISSN 1526-498X. doi: 10.1002/ps.70776. Full text in Research Archive
• Nguyen, Tan Duc; Nguyen, Van Tai; Dinh, van Khuong; Wiegand, Claudia; Wang, Zhen & Baduel, Christine [Show all 13 contributors for this article] (2025). Multigenerational ecotoxicity of tris(2-butoxyethyl) phosphate to the tropical water flea Ceriodaphnia cornuta and probabilistic ecological risk assessment in freshwater environments. Aquatic Toxicology. ISSN 0166-445X. 283. doi: 10.1016/j.aquatox.2025.107363. Full text in Research Archive
• Nguyen, Tan Duc; Huynh, Trong Nhan; Nguyen, Van Tai; Dinh, van Khuong; Wiegand, Claudia & Pham, Thanh Luu [Show all 11 contributors for this article] (2025). Multigenerational testing reveals delayed chronic toxicity of bisphenol A to Daphnia magna: A common characteristic of endocrine-disrupting chemicals? Environmental Pollution (1987). ISSN 0269-7491. 374. doi: 10.1016/j.envpol.2025.126253. Full text in Research Archive
• Pham, Hung Quoc; Le, Hoang Minh; Phan, Ut Van; Nguyen, Minh Van & Dinh, van Khuong (2025). Seasonal dynamics of plasma estradiol 17β level, gonadosomatic index, and ovarian development in female golden trevally (Gnathanodon speciosus). Scientific Reports. 16. doi: 10.1038/s41598-025-30370-1. Full text in Research Archive Show summary

  Plasma estradiol 17β (E2) and gonadosomatic index (GSI) are reliable biomarkers for assessing gonadal maturity in fish. This study investigated seasonal variations in GSI and plasma E2 concentrations and their correlation with ovarian development stages in female golden trevally (Gnathanodon speciosus), a high-value fish species for marine aquaculture, over an annual reproductive cycle. The broodfish were 900 ± 200 g and 40 ± 5 cm in body weight and total length, respectively. From November to February, plasma E2 levels and GSI remained low, followed by a significant increase from March to October, with E2 peaking during vitellogenesis. Ovarian histology revealed asynchronous oocyte development from March to October, with multiple oocyte stages coexisting, confirming G. speciosus as a multiple-spawning species with a reproductive season spanning March to October. Elevated plasma E2 levels during oocyte growth underscore its pivotal role in driving vitellogenesis. These findings enhance understanding of G. speciosus reproductive physiology, providing valuable insights for optimizing broodstock management, conditioning protocols, and strategic planning for artificial reproduction and seed production for marine aquaculture.

• Lutier, Mathieu; Skari, Andrea Emilie Thorstensen; Thomsen, Nele; Reinardy, Helena Christine & Dinh, van Khuong (2025). The Arctic copepod Calanus hyperboreus is more tolerant to marine heatwaves than temperate copepods in the Oslofjord. Royal Society Open Science. 12(10), p. 1–10. doi: 10.1098/rsos.250365. Full text in Research Archive Show summary

  Calanus hyperboreus plays a key role in the functioning of Arctic ecosystems. It is considered highly vulnerable to ocean warming and marine heatwaves, which would reduce its range, expected to shift northward. Yet, C. hyperboreus is reported as far south as the Skagerrak, where it is considered non-native and transported by ocean currents. We argue that this may be an isolated population adapted to warmer temperatures. To test this hypothesis, we exposed C. hyperboreus from the Oslofjord to temperatures from 0°C to 24°C, for 5 days. We recorded survival to identify the upper threshold of thermal tolerance and DNA damage to detect sublethal effects. The thermal response of C. hyperboreus was compared with that of the dominant copepod species in the Oslofjord, Calanus finmarchicus and Metridia longa . We found that the survival of C. hyperboreus did not decrease before reaching 16°C–20°C which was much higher than 13°C–16°C and 4°C–8°C for C. finmarchicus and M. longa , respectively. Calanus hyperboreus showed the least DNA damage, highlighting the adaptation of its physiology to the Oslofjord. Our results suggest the existence of local adaptations to warming in C. hyperboreus that could determine its fate under climate change.

• Årthun, Marius; Dinh, van Khuong; Dörr, Jakob Simon; Dupont, Nicolas; Fransner, Filippa & Nilsen, Ina [Show all 18 contributors for this article] (2025). The future Barents Sea- A synthesis of physical, biogeochemical, and ecological changes toward 2050 and 2100. Elementa: Science of the Anthropocene. 13(1), p. 1–17. doi: 10.1525/elementa.2024.00046. Full text in Research Archive Show summary

  Barentshavet er preget av sterke klimaendringene, som manifesterer seg i en rask oppvarming av havet og atmosfæren og en sterk nedgang i havisdekket om vinteren. Disse endringene i det fysiske miljøet har store konsekvenser for de marine økosystemene, inkludert de kommersielle fiskebestandene. I et varmere klima i fremtiden forventes både de fysiske og økologiske endringene å forsterkes. Her gir vi en første omfattende oversikt over framtidige klimaendringer i Barentshavet og de tilhørende fysiske, biogeokjemiske og økologiske konsekvensene basert på klimamodeller og helhetlige økosystemmodeller. Vi diskuterer også potensielle fremtidige endringer i menneskelige aktiviteter og konsekvensene av disse, inkludert endringer i skipsaktivitet og forurensing. Vi analyserer resultatene for to tidshorisonter - nær fremtid (2040-2050) og fjern fremtid (2090-2100) - og for to ulike utslippsscenarioer: ett med moderate fremtidige klimagassutslipp (SSP2-4,5) og ett med høye utslipp (SSP5-8,5). Resultatene viser at fremtidens Barentshavet vil bli varmere, mindre isdekket, surere og mer produktivt, og at fiskebestander og gyteområder vil flytte seg nordover. Det er små forskjeller i de gjennomsnittlige fysiske og biogeokjemiske projeksjonene fra flere modeller mellom de to utslippsscenariene innen 2050, mens det er store forskjeller mellom scenariene mot slutten av århundret. Disse resultatene har vidtrekkende konsekvenser, blant annet ved at de kan identifisere økosystemenes følsomhet for fremtidige utslipp, gi informasjon om regionale forvaltningsstrategier og potensielt identifisere behov for tilpasning til endringer som sannsynligvis allerede vil inntreffe.

• Hanh, Pham Thi; Dinh, van Khuong; Manh, Ngo Van; Tuan, Le Anh; Le, Minh-Hoang & Hich, Tran Vi (2025). Dietary vitamin E enhances the growth, and immunity of snubnose pompano Trachinotus blochii juveniles. Fisheries and Aquatic Sciences (FAS). ISSN 2234-1749. 28(2), p. 86–96. doi: 10.47853/FAS.2025.e9. Full text in Research Archive Show summary

  Vitamin E is the most powerful antioxidant which prevents unsaturated fatty acid from oxidation and protects cell structure. The effects of vitamin E on the growth, body composition and innate immune response of snubnose pompano juveniles (Trachinotus blochii) were assessed after ten weeks of feeding with dietary. Juveniles (360 individuals, mean initial weight 5.22 ± 0.28 g) were arbitrarily assigned equally into eighteen 200 L circular composite tanks and fed with one of six practical diets containing six levels of 2.31 (basal diet); 117.25; 189.03; 382.1; 758.54; 1,437.32 mg α-tocopherol acetate/kg. The results showed that final weight, weight gain, specific growth rate, protein efficiency ratio, hepatosomatic index, viscerosomatic index, ash, protein, lipid, hemoglobin (Hb), hematocrit (Hct), white blood cell count (WBCs) and lysozyme activity in fish fed with vitamin E supplement were considerably higher than those fed the vitamin E-free diet. Besides, feed conversion ratio and moisture in fish fed the basal diet were also higher than those fed the supplemented vitamin E diet. However, survival and red blood cell counts did not statistically differ among the experimental treatments. The results suggest that the suitable dietary vitamin E level for growth, composition and Hb, %Hct of this species were 117.25–189.03 mg/kg vitamin E supplementation, while dietary vitamin E concentration 382.1 mg/kg could be required to increase lysozyme activity and WBC numbers.

• Le, Minh Hoang; Ngo, Manh Van; Dinh, van Khuong & Lim, Han-Kyu (2025). Effects of environmental factors on the activity of chilled storage and cryopreservation of striped Jewfish Stereolepis deoderleini sperm. Regional Studies in Marine Science. 81, p. 1–10. doi: 10.1016/j.rsma.2024.104006. Full text in Research Archive
• Heuschele, Jan David; Dinh, van Khuong; Lode, Torben; Jager, Tjalling & Borgå, Katrine (2024). Arctic copepod copper sensitivity and comparison with Antarctic and temperate copepods. Ecotoxicology. ISSN 0963-9292. 33, p. 1026–1038. doi: 10.1007/s10646-024-02796-2. Full text in Research Archive Show summary

  The ongoing global climate crisis increases temperatures in polar regions faster and with greater magnitude than elsewhere. The decline of Arctic sea ice opens up new passages, eventually leading to higher anthropogenic activities such as shipping, fishing, and mining. Climate change and anthropogenic activities will increase contaminant transport from temperate to Arctic regions. The shipping industry uses copper as an antifouling coating. Copper is an essential element but becomes toxic at excess concentrations, and its use may inadvertently affect non-target organisms such as copepods. Copper affects copepods by lowering reproductive output, prolonging developmental time, and causing increased mortality. As data on copper sensitivity of polar copepods at low temperatures are rare, we conducted onboard survival experiments with the Arctic region’s most common copepod species (Calanus finmarchicus, C. glacialis, C. hyperboreus). Acute survival tests were done for up to 8 days on individuals in 70 ml bottles at 1 °C with nominal copper concentrations ranging from 3 to 480 μg L−1. We used a reduced General Unified Threshold model for Survival (GUTS) to analyse the data, and placed our results in the context of the few published copper sensitivity data of the Antarctic and temperate copepod species at low temperatures. The sensitivity of Cu exposure was similar between the three Calanus species. However, a model comparison suggests that the tested C. glacialis population is less sensitive than the other two species in our experiments. Compared to published data, the three Arctic species appear slightly less sensitive to copper compared to their Antarctic counterparts but more compared to their temperate ones. Our literature search revealed only a few available studies on the copper sensitivity of polar copepods. In the future, this species group will be exposed to more pollutants, which warrants more studies to predict potential risks, especially given possible interactions with environmental factors.

• Vu, Quyen D. H.; Pham, Linh P.; Truong, Oanh T.; Tran, Sang Q.; Bui, Canh V. & Le, Minh-Hoang [Show all 8 contributors for this article] (2024). Extreme Temperatures Reduce Copepod Performance and Change the Relative Abundance of Internal Microbiota. Ecology and Evolution. 14(10). doi: 10.1002/ece3.70408. Full text in Research Archive Show summary

  Copepods are one of the most abundant invertebrate groups in the seas and oceans and are a significant food source for marine animals. Copepods are also particularly sensitive to elevated temperatures. However, it is relatively unknown how the internal microbiome influences copepod susceptibility to warming. We addressed this fundamental knowledge gap by assessing key life history traits (survival, development, and reproduction) and changes in the internal microbiome in the tropical calanoid copepod Acartia sp. in response to warming (26°C, 30°C, and 34°C). Copepod microbiomes were analyzed using high throughput DNA sequencing of V1–V9 of 16S rRNA hypervariable regions. Copepod performance was better at 30°C than at 26°C, as indicated by faster development, a higher growth rate, and fecundity. However, these parameters strongly decreased at 34°C. We recorded 1,262,987 amplicon sequence reads, corresponding to 392 total operational taxonomic units (OTUs) at 97% similarity. Warming did not affect OTU numbers and the biodiversity indices, but it substantially changed the relative abundance of three major phyla: Proteobacteria, Actinobacteria, and Bacteroidota. The thermophilic and opportunistic Proteobacteria and Bacteroidota increased under extreme temperatures (34°C) while Actinobacteria abundance was strongly reduced. Changes in the relative abundance of these bacteria might be related to reduced copepod growth, survival, and reproduction under extreme temperatures. Profiling the functional role of all internal bacterial groups in response to the temperature change will fundamentally advance our mechanistic understanding of the performance of tropical copepods and, more generally, marine invertebrates to a warming climate.

• Orr, James A.; Macaulay, Samuel J.; Mordente, Adriana; Burgess, Benjamin; Albini, Dania & Hunn, Julia G. [Show all 28 contributors for this article] (2024). Studying interactions among anthropogenic stressors in freshwater ecosystems: A systematic review of 2396 multiple-stressor experiments. Ecology Letters. ISSN 1461-023X. 27(6). doi: 10.1111/ele.14463. Full text in Research Archive Show summary

  Understanding the interactions among anthropogenic stressors is critical for effective conservation and management of ecosystems. Freshwater scientists have invested considerable resources in conducting factorial experiments to disentangle stressor interactions by testing their individual and combined effects. However, the diversity of stressors and systems studied has hindered previous syntheses of this body of research. To overcome this challenge, we used a novel machine learning framework to identify relevant studies from over 235,000 publications. Our synthesis resulted in a new dataset of 2396 multiple-stressor experiments in freshwater systems. By summarizing the methods used in these studies, quantifying trends in the popularity of the investigated stressors, and performing co-occurrence analysis, we produce the most comprehensive overview of this diverse field of research to date. We provide both a taxonomy grouping the 909 investigated stressors into 31 classes and an open-source and interactive version of the dataset (https://jamesaorr.shinyapps.io/freshwater-multiple-stressors/). Inspired by our results, we provide a framework to help clarify whether statistical interactions detected by factorial experiments align with stressor interactions of interest, and we outline general guidelines for the design of multiple-stressor experiments relevant to any system. We conclude by highlighting the research directions required to better understand freshwater ecosystems facing multiple stressors.

• Albini, Dania; Lutier, Mathieu; Heimböck, Martin Paul; Heuschele, Jan David; Søreide, Janne & Jackson, Michelle C. [Show all 7 contributors for this article] (2024). Temporal patterns in multiple stressors shape the vulnerability of overwintering Arctic zooplankton. Ecology and Evolution. 14(7). doi: 10.1002/ece3.11673. Full text in Research Archive Show summary

  The Arctic polar nights bring extreme environmental conditions characterised by cold and darkness, which challenge the survival of organisms in the Arctic. Additionally, multiple anthropogenic stressors can amplify the pressure on the fragile Arctic ecosystems during this period. Determining how multiple anthropogenic stressors may affect the survival of Arctic life is crucial for ecological risk assessments and management, but this topic is understudied. For the first time, our study investigates the complex interactions of multiple stressors, exploring stressor temporal dynamics and exposure duration on a key Arctic copepod Calanus glacialis during the polar nights. We conducted experiments with pulse (intermittent) and press (continuous) exposure scenarios, involving microplastics, pyrene and warming in a fully factorial design. We observed significant effects on copepod survival, with pronounced impacts during later stressor phases. We also detected two-way interactions between microplastics and pyrene, as well as pyrene and warming, further intensified with the presence of a third stressor. Continuous stressor exposure for 9 days (press-temporal scenario) led to greater reductions in copepod survival compared to the pulse-temporal scenario, characterised by two 3-day stressor exposure phases. Notably, the inclusion of recovery phases, free from stressor exposure, positively influenced copepod survival, highlighting the importance of temporal exposure dynamics. We did not find behaviour to be affected by the different treatments. Our findings underscore the intricate interactions amongst multiple stressors and their temporal patterns in shaping the vulnerability of overwintering Arctic copepods with crucial implications for managing Arctic aquatic ecosystems under the fastest rate of ongoing climate change on earth.

• Dinh, van Khuong; Albini, Dania; Orr, James A.; Macaulay, Samuel J.; Rillig, Matthias C. & Borgå, Katrine [Show all 7 contributors for this article] (2023). Winter is coming: Interactions of multiple stressors in winter and implications for the natural world. Global Change Biology. ISSN 1354-1013. 29(24), p. 6834–6845. doi: 10.1111/gcb.16956. Full text in Research Archive
• Ngo, Van Manh; Dinh, van Khuong; Chau, Bich Lien & Luc, Diep Minh (2023). Tank colours do not change the effects of extreme temperatures on the productive parameters, but skeletal deformities of golden trevally. Fisheries and Aquatic Sciences (FAS). ISSN 2234-1749. 26(8), p. 461–469. doi: 10.47853/FAS.2023.e39. Full text in Research Archive Show summary

  The objective of this study was to evaluate how the tank colours may change the effects of extreme temperature on the survival, growth, and quality of juvenile golden trevally (Gnathanodon speciosus). The experiment was set up with fifteen treatments of five tank colours (blue, red, yellow, grey, and white) and three temperatures (30°C, 32°C, 34°C) with three replications. Fish performance was assessed for four weeks. The results showed that tank colours and elevated temperatures affected the quality of golden trevally juveniles. The survival and growth rate of fish tend to decrease gradually, but the deformation rate of fish tended to increase in the order of tank colours: red, yellow > grey, blue, and white. The growth and survival rate of fish gradually decreased when the rearing temperature increased from 30°C to 34°C and this effect was independent of tank colors. Importantly, the deformation rate increased under elevated temperature, particularly in blue and white tanks with potential long-term effects. It is, therefore, not recommended to use blue and white tanks for rearing the golden trevally juveniles, particularly during extremely high temperatures from heatwave events.

• Pham, Hung Quoc; Bui, Canh Van; Doan, Nam Xuan & Dinh, van Khuong (2023). Density effects on a tropical copepod Acartia sp.: Implications as live feed in aquaculture. Journal of the World Aquaculture Society. ISSN 0893-8849. p. 1–12. doi: 10.1111/jwas.13020. Full text in Research Archive Show summary

  Abstract Calanoid copepods Acartia species are major live feeds for the early stages of economically important marine fish in hatcheries in Southeast Asian countries. However, rearing Acartia copepods at high densities to increase productivity remains a major challenge. To address the issue, we conducted two experiments on (1) Acartia sp. nauplii (1000, 3000, 6000, 9000, 12,000, and 15,000 individuals L −1 ) and (2) adults (1000, 1500, 2000, and 2500 individuals L −1 ). We assessed key parameters for biomass production: development, survival, and egg and nauplii production. In general, increased density resulted in longer development time, lowered survival and egg and nauplii production but did not affect the size of adult males and females. Despite survival to adulthood decreasing at higher stocking nauplii densities, the number of surviving adults was highest at a stocking density of 12,000 individuals L −1 . Egg and nauplii production was very low which may be the result of high predation. The total eggs and nauplii harvested were highest at the lowest adult density. These results are essential for the biomass production of Acartia sp. in central Vietnam.

• Nam, Pham Viet; Hich, Tran Vy; Hoa, Nguyen van; Dinh, van Khuong; Minh, Nguyen Cong & Trung, Trang Si (2023). Additive biocomponents from catfish by-products enhance the growth of shrimp Litopenaeus vannamei. Fisheries and Aquatic Sciences (FAS). ISSN 2234-1749. 26(6), p. 367–379. doi: 10.47853/FAS.2023.e31. Full text in Research Archive Show summary

  The rapid expansion of shrimp production requires a huge amount of protein sources from soybeans and wild-caught fishmeal; both are becoming a shortage. Meanwhile, catfish production and processing is a giant industry in Vietnam, which produce hundred thousand tonnes of protein- and lipid-rich by-products, annually. Using catfish by-products to gradually replace the traditional protein sources in shrimp aquaculture may bring triple benefits: 1) reducing pressure on wild fish exploitation for fishmeal, 2) reducing the environmental impacts of catfish by-products, and 3) increasing the value and sustainability of aquaculture production. In this study, we used catfish by-products to produce fish protein hydrolysate (FPH) and nano-hydroxyapatite (HA) as additives in feed for Pacific white shrimp (Litopenaeus vannamei). The supplement mixture of FPH and HA was added into the commercial diet (Charoen Pokphand Group [CP], 38% protein, and 6.5% lipid) to reach 38%, 38.5%, 40%, 43%, and 44% of the crude protein content. The survival and growth of shrimps were weekly assessed to day 55. The results showed that the shrimp growth was highest at 43% crude protein content in the feed as indicated by an increase of 124% and 112% in shrimp weight and length, respectively, compared to the commercial reference diet. No negative effects of adding the mixture of FPH and HA on the water quality were observed. Vibrio density was lower than 6.5 × 103 CFU/mL, which is the lowest Vibrio density negatively affecting the shrimp growth and development. These findings indicate that the mixture of FPH and HA are promising additive components in feed for post-larval shrimp L. vannamei diets.

• Le, Minh Hoang; Dinh, van Khuong; Vo, Xuan Thi & Pham, Hung Quoc (2022). Direct and delayed synergistic effects of extreme temperature, metals and food limitation on tropical reef-associated fish juveniles. Estuarine, Coastal and Shelf Science. ISSN 0272-7714. 278. doi: 10.1016/j.ecss.2022.108108. Full text in Research Archive
• Dinh, van Khuong; Konestabo, Heidi Sjursen; Borgå, Katrine; Hylland, Ketil; Macaulay, Samuel J. & Jackson, Michelle C [Show all 8 contributors for this article] (2022). Interactive Effects of Warming and Pollutants on Marine and Freshwater Invertebrates. Current Pollution Reports. 8, p. 341–359. doi: 10.1007/s40726-022-00245-4. Full text in Research Archive Show summary

  Abstract 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.

• Šigutová, Hana; Dolný, Aleš; Samways, Michael J.; Hardersen, Sönke; Junior, José Max Barbosa Oliveira & Juen, Leandro [Show all 8 contributors for this article] (2022). Odonata as indicators of pollution, habitat quality, and landscape disturbance. In Córdoba-Aguilar, Alex; Beatty, Christopher & Bried, Jason T. (Ed.), Dragonflies and Damselflies: Model Organisms for Ecological and Evolutionary Research. Oxford University Press. ISSN 9780192898623. p. 371–384. doi: 10.1093/oso/9780192898623.003.0026. Full text in Research Archive
• Pham, Hanh Thi Hong; Cuong, Nguyen Chi; Nguyen, Nguyen Thi The; Anh, Pham Nguyet; Lien, Nguyen Thi & Linh, Hoang Bao [Show all 7 contributors for this article] (2022). SUSTAINABLE BIOPLASTIC PRODUCED PROM AGRICULTURAL WASTE: A SOLUTION FOR REDUCING PLASTIC POLLUTION. Vietnam Journal of Science and Technology (VJST). ISSN 2525-2518. Full text in Research Archive
• Tran, Huong Van; Carve, Megan; Dong, Dung Thi; Dinh, van Khuong & Khac, Bat Nguyen (2022). Marine protected areas ineffectively protect seagrass and coral reef fish communities in the Phu Quoc and An Thoi archipelago, Vietnam. Aquatic conservation. ISSN 1052-7613. 32(9), p. 1471–1489. doi: 10.1002/aqc.3862. Full text in Research Archive
• Dao, Thanh-Son; Nguyen, Van-Tai; Baduel, Christine; Bui, Manh-Ha; Tran, Viet Tuan & Pham, Thanh-Luu [Show all 8 contributors for this article] (2022). Toxicity of di-2-ethylhexyl phthalate and tris (2-butoxyethyl) phosphate to a tropical micro-crustacean (Ceriodaphnia cornuta) is higher in Mekong River water than in standard laboratory medium. Environmental Science and Pollution Research. ISSN 0944-1344. 29. doi: 10.1007/s11356-022-18993-7. Full text in Research Archive
• Truong, Kiem N.; Vu, Ngoc-Anh; Doan, Nam X.; Bui, Canh V.; Le, Minh Hoang & Vu, Thi Thuy Minh [Show all 7 contributors for this article] (2022). Transgenerational exposure to marine heatwaves ameliorates the lethal effect on tropical copepods regardless of predation stress. Ecology and Evolution. 12(8). doi: 10.1002/ece3.9149. Full text in Research Archive Show summary

  Marine heatwaves (MHWs) are emerging as a severe stressor in marine ecosystems. Extreme warm sea surface temperatures during MHWs often exceed the optimal thermal range for more than one generation of tropical coastal zooplankton. However, it is relatively unknown whether transgenerational plasticity (TGP) to MHWs may shape the offspring's fitness, particularly in an ecologically relevant context with biotic interactions such as predation stress. We addressed these novel research questions by determining the survival, reproductive success, and grazing rate of the copepod Pseudodiaptomus incisus exposed to MHW and fish predator cues (FPC) for two generations (F1 and F2). The experiment was designed in a full orthogonal manner with 4 treatments in F1 and 16 treatments in F2 generation. In both generations, MHW reduced P. incisus survival, reproductive parameters, and grazing by 10%–62% in MHW, but these parameters increased by 2%–15% with exposure to FPC, particularly at control temperature. F2 reproductive success and grazing rate as indicated by cumulative fecal pellets were reduced by 20%–30% in F1-MHW, but increased by ~2% in F1-FPC. Strikingly, MHW exposure reduced 17%–18% survival, but transgenerational exposure to MHWs fully ameliorated its lethal effect and this transgenerational effect was independent of FPC. Increased survival came with a cost of reduced reproductive success, constrained by reduced grazing. The rapid transgenerational MHW acclimation and its associated costs are likely widespread and crucial mechanisms underlying the resilience of coastal tropical zooplankton to MHWs in tropical coastal marine ecosystems.

• Truong, Kiem N. & Dinh, van Khuong (2021). Agent Orange: Half-Century Effects On The Vietnamese Wildlife Have Been Ignored. Environmental Science and Technology. ISSN 0013-936X. 55(22), p. 15007–15009. doi: 10.1021/acs.est.1c06613. Full text in Research Archive

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• Sundfjord, Arild; Hallanger, Ingeborg G.; Halterskjær, Hans Erik; Christensen, Jacob Max; Czyz, Ceslav & Dinh, van Khuong [Show all 19 contributors for this article] (2026). Arctic Ocean 2025 A-TWAIN + HiAOOS cruise report: 22 October - 10 November 2025 (cruise ID:2025712). Full text in Research Archive Show summary

  Cruise report from the Norwegian Polar Institute's Arctic Ocean cruise 2025. The report details work done and data/samples collected, plus recovery and deployment of deep ocean instrument moorings. All data collected by the Norwegian Polar Institute and all bottle sample data from UiT - The Arctic University of Tromsø during the cruise are made available through the Norwegian Polar Data Centre at DOI https://doi.org/10.21334/npolar.2025.1c59d3fb.

• Dinh, van Khuong & Vu, Thi Thuy Minh (2025). Species-specific seasonal variations in thermal performance curves shape the direct and transgenerational vulnerability to marine heatwaves. Journal of Animal Ecology. ISSN 0021-8790. doi: 10.1111/1365-2656.70016. Full text in Research Archive
• Dinh, van Khuong; Lutier, Mathieu; Albini, Dania; Dijkstra, Jildou; Thomsen, Nele & Albertsen, Milla Mona Sophie [Show all 11 contributors for this article] (2024). Life and death of overwintering Arctic zooplankton under multiple stressors in the Anthropocene. Full text in Research Archive
• Albini, Dania; Lutier, Mathieu; Heimböck, Martin Paul; Heuschele, Jan David; Søreide, Janne & Jackson, Michelle C [Show all 7 contributors for this article] (2024). Temporal patterns in multiple stressors shape the vulnerability of overwintering Arctic zooplankton. Full text in Research Archive
• Dinh, van Khuong (2024). Arctic multiple stressor research: life and death of the Arctic zooplankton in the Anthropocene. Full text in Research Archive
• Dijkstra, Jildou; Schott, Schott; Thomsen, Nele; Lutier, Mathieu; Dinh, van Khuong & Reinardy, Helena Christine [Show all 7 contributors for this article] (2023). Influence of ocean warming and acidification on Arctic zooplankton during the polar night. Full text in Research Archive
• Borgå, Katrine; McKinney, Melissa A.; Giebichenstein, Julia; Dinh, van Khuong; Gravelle, Amalie Marie Bårnås & Heuschele, Jan David [Show all 10 contributors for this article] (2023). The influence of climate change on accumulation and toxicity of pollutants in Arctic marine food webs. Full text in Research Archive
• Heimböck, Martin Paul; Lutier, Mathieu; Albini, Dania; Borgå, Katrine & Dinh, van Khuong (2023). Egg production as a stress-response in arctic copepod C. glacialis. Full text in Research Archive
• Heimböck, Martin Paul; Lutier, Mathieu; Albini, Dania; Borgå, Katrine & Dinh, van Khuong (2023). Contrasting effects of pyrene exposure on survival and reproduction of a key Arctic copepod Calanus glacialis. MSc Thesis. Full text in Research Archive
• Dinh, van Khuong (2023). Science for use talk - Seasonal and climate change effects on pollution accumulation and effects in the Arctic marine food web. Full text in Research Archive
• Dinh, van Khuong; Titleman, Josefin; Søreide, Janne; Hylland, Ketil & Borgå, Katrine (2022). Long-Term Effects of Warming and Pyrene on Calanus hyperboreus. Full text in Research Archive
• Dinh, van Khuong (2022). When the stress multiplies: contrasting the effects of warming, acidic and polluted oceans on the Arctic and tropical zooplankton. Full text in Research Archive
• Gravelle, Amalie M.; Dinh, van Khuong; Titleman, Josefin; Søreide, Janne & Borgå, Katrine (2022). Transgenerational effects of ocean acidification, elevated temperature and pyrene on the growth and development of the Arctic copepod Calanus glacialis. Full text in Research Archive
• Dinh, van Khuong (2022). Impacts of environmental pollution and climate change on marine life. Full text in Research Archive
• Dinh, van Khuong; Titelman, Josefin; Søreide, Janne; Hylland, Ketil & Borgå, Katrine (2021). Long-term effects of warming and pyrene on Calanus hyperboreus. Full text in Research Archive
• Gravelle, Amalie M.; Dinh, van Khuong; Titelman, Josefin; Søreide, Janne; Jortveit, Andreas & Borgå, Katrine (2021). Transgenerational Effects of Warming, Ocean Acidification and Polycyclic Aromatic Hydrocarbons on a Key Arctic Copepod Calanus glacialis. Full text in Research Archive
• Jortveit, Andreas; Dinh, van Khuong; Borgå, Katrine; Titelman, Josefin & Søreide, Janne (2021). Sensitivity of the Early Life Stages of the Arctic Copepod C. Glacialis to Multiple Stressors: Multi-Dimensional Interactions of Ocean Acidification, Warming and Pyrene. Full text in Research Archive
• Skari, Andrea Emilie Thorstensen; Dinh, van Khuong; Lutier, Mathieu; Konestabo, Heidi Sjursen & Borgå, Katrine (2024). Effect of global changes on marine copepods: Influence of pyrene or salinity on thermal tipping points. Universitetet i Oslo. Full text in Research Archive Show summary

  The ocean is warming at a rate unprecedented over the past twenty thousand years, and extreme warming events are increasing in frequency, duration, and intensity. This could surpass the thermal tolerance thresholds of marine species, tipping points that, when exceeded, can lead to abrupt and irreversible consequences. At the same time, the intensification of extreme weather events and anthropogenic activities increase the exposure of marine organisms to contaminants such as polycyclic aromatic hydrocarbons (PAHs) and to decreasing salinities. As organisms are simultaneously exposed to multiple stressors in their natural environment, it is therefore crucial to identify the effects these stressors have when combined to project their future in a changing world. The present study investigated how the PAH pyrene or decreasing salinity affect thermal tipping points of coastal marine copepods. Copepods are key planktonic organisms in marine ecosystems due to their essential role in energy transfer in the food web. The first experiment aimed to determine how oil contamination alters thermal tipping points of Aetideopsis sp. copepods. As a proxy for oil, the copepods were exposed to the PAH pyrene, at five concentrations and seven temperatures for ten days. The second experiment aimed to determine how decreasing salinities alters thermal tipping points of Calanus sp. copepods. The copepods were exposed to five decreasing salinities at five temperatures for eight days. Copepods for both experiments were collected in the Oslofjord, Norway, and survival was checked every day during the experiments. Both Aetideopsis sp. and Calanus sp. had thermal tipping points within environmentally relevant temperatures, between 13 °C and 16 °C for Aetideopsis sp. and between 14 °C and 18 °C for Calanus sp. Although pyrene did not affect thermal tipping points of Aetideopsis sp., it significantly decreased survival at the highest concentration of 200 nM. Decreasing salinity decreased the thermal tipping points of Calanus sp. at 23 PSU and 29 PSU, both environmentally relevant salinities. These findings suggest that the thermal niche of coastal marine copepods, already sensitive to pollutants such as pyrene, can be narrowed by decreasing salinities. This could ultimately have severe consequences on the ecological niches and distributions of copepod species and highlights the importance of determining tipping points in a multiple stressor context.

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