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Veenhof RJ, Champion C, Dworjanyn SA, Schwoerbel J, Visch W, Coleman MA. Projecting kelp (Ecklonia radiata) gametophyte thermal adaptation and persistence under climate change. ANNALS OF BOTANY 2024; 133:153-168. [PMID: 37665952 PMCID: PMC10921825 DOI: 10.1093/aob/mcad132] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/23/2023] [Accepted: 09/01/2023] [Indexed: 09/06/2023]
Abstract
BACKGROUND AND AIMS Kelp forests underpin temperate marine ecosystems but are declining due to ocean warming, causing loss of associated ecosystem services. Projections suggest significant future decline but often only consider the persistence of adult sporophytes. Kelps have a biphasic life cycle, and the haploid gametophyte can be more thermally tolerant than the sporophyte. Therefore, projections may be altered when considering the thermal tolerance of gametophytes. METHODS We undertook thermal tolerance experiments to quantify the effect of temperature on gametophyte survival, relative growth rate (RGR) and sex ratio for three genetically distinct populations of Ecklonia radiata gametophytes from comparatively high, mid- and low latitudes (43°, 33° and 30°S). We then used these data to project the likely consequences of climate-induced thermal change on gametophyte persistence and performance across its eastern Australian range, using generalized additive and linear models. KEY RESULTS All populations were adapted to local temperatures and their thermal maximum was 2-3 °C above current maximum in situ temperatures. The lowest latitude population was most thermally tolerant (~70 % survival up to 27 °C), while survival and RGR decreased beyond 25.5 and 20.5 °C for the mid- and low-latitude populations, respectively. Sex ratios were skewed towards females with increased temperature in the low- and high-latitude populations. Spatially explicit model projections under future ocean warming (2050-centred) revealed a minimal decline in survival (0-30 %) across populations, relative to present-day predictions. RGRs were also projected to decline minimally (0-2 % d-1). CONCLUSIONS Our results contrast with projections for the sporophyte stage of E. radiata, which suggest a 257-km range contraction concurrent with loss of the low-latitude population by 2100. Thermal adaptation in E. radiata gametophytes suggests this life stage is likely resilient to future ocean warming and is unlikely to be a bottleneck for the future persistence of kelp.
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Affiliation(s)
- R J Veenhof
- National Marine Science Centre, Faculty of Science and Engineering, Southern Cross University, Coffs Harbour, NSW, Australia
| | - C Champion
- National Marine Science Centre, Faculty of Science and Engineering, Southern Cross University, Coffs Harbour, NSW, Australia
- Fisheries Research, NSW Department of Primary Industries, National Marine Science Centre, Coffs Harbour, NSW, Australia
| | - S A Dworjanyn
- National Marine Science Centre, Faculty of Science and Engineering, Southern Cross University, Coffs Harbour, NSW, Australia
| | - J Schwoerbel
- Institute for Marine and Antarctic Studies, University of Tasmania, Hobart, Tasmania, Australia
| | - W Visch
- Institute for Marine and Antarctic Studies, University of Tasmania, Hobart, Tasmania, Australia
| | - M A Coleman
- National Marine Science Centre, Faculty of Science and Engineering, Southern Cross University, Coffs Harbour, NSW, Australia
- Fisheries Research, NSW Department of Primary Industries, National Marine Science Centre, Coffs Harbour, NSW, Australia
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Yu ZN, Fan YJ, Nguyen TV, Piao CH, Lee B, Lee S, Shin HS, Song CH, Chai OH. Undaria pinnatifida ameliorates nasal inflammation by inhibiting eosinophil and mast cell activation and modulating the NF-κB/MAPKs signaling pathway. Immun Inflamm Dis 2024; 12:e1215. [PMID: 38488697 PMCID: PMC10941681 DOI: 10.1002/iid3.1215] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/03/2023] [Revised: 02/20/2024] [Accepted: 02/29/2024] [Indexed: 03/17/2024] Open
Abstract
BACKGROUND Allergic rhinitis (AR) is the most prevalent form of atopic disease. Undaria pinnatifida has potent antioxidative, antidiabetic, and anti-inflammatory properties. AIMS We investigated the immunomodulatory effect of Undaria pinnatifida extract (UPE) on allergic inflammation in an AR mouse model. MATERIALS & METHODS Mice were sensitized and intranasally challenged with ovalbumin (OVA), and the Th1/Th2 and Th17/Treg-related cytokines and histopathology were exanimated after UPE treatments. Enzyme-linked immunosorbent assay was performed using serum samples and NALF to detect OVA-specific immunoglobulins and inflammatory cytokines. Mitogen-activated protein kinases (MAPKs) were measured by western blotting analysis, and an in vitro study measured mast cell activation induced by compound 48/80. RESULTS After UPE treatment, nasal and lung allergy symptoms, nasal mucosal swelling, and goblet cell hyperplasia were ameliorated. Oral UPE regulated the balance of Th1/Th2 and Th17/Treg cell differentiation in AR mice in a dose-dependent manner. In addition, UPE attenuated the migration of eosinophils and mast cells to the nasal mucosa by suppressing nuclear factor kappa B (NF-κB)/MAPKs. The levels of anti-OVA IgE and IgG1 were also decreased. DISCUSSION UPE inhibited inflammation by regulating the NF-κB/MAPKs signaling pathway and supressing the activation of critical immune cells such as eosinophils and mast cells. CONCLUSION UPE may have therapeutic potential for AR.
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Affiliation(s)
- Zhen Nan Yu
- Department of AnatomyJeonbuk National University Medical SchoolJeonjuSouth Korea
| | - Yan Jing Fan
- Department of AnatomyJeonbuk National University Medical SchoolJeonjuSouth Korea
- Department of Basic Medicine, School of MedicineLiaocheng UniversityLiaochengShandongChina
| | - Thi Van Nguyen
- Department of AnatomyJeonbuk National University Medical SchoolJeonjuSouth Korea
| | - Chun Hua Piao
- Department of AnatomyJeonbuk National University Medical SchoolJeonjuSouth Korea
- Department of Pulmonary and Critical Care MedicineYantai Yuhuangding HospitalYantaiChina
| | - Byung‐Hoo Lee
- Department of Food Science and BiotechnologyGachon UniversitySeongnamSouth Korea
| | - So‐Young Lee
- Division of Food Functionality ResearchKorea Food Research InstituteWanjuSouth Korea
- Division of Food Biotechnology ProgramKorea University of Science and TechnologyDaejeonSouth Korea
| | - Hee Soon Shin
- Division of Food Functionality ResearchKorea Food Research InstituteWanjuSouth Korea
- Division of Food Biotechnology ProgramKorea University of Science and TechnologyDaejeonSouth Korea
| | - Chang Ho Song
- Department of AnatomyJeonbuk National University Medical SchoolJeonjuSouth Korea
- Institute for Medical SciencesJeonbuk National UniversityJeonjuSouth Korea
| | - Ok Hee Chai
- Department of AnatomyJeonbuk National University Medical SchoolJeonjuSouth Korea
- Institute for Medical SciencesJeonbuk National UniversityJeonjuSouth Korea
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Nomura M, Okamura H, Horie Y, Yap CK, Emmanouil C, Uwai S, Kawai H. Effects of antifouling compounds on the growth of macroalgae Undaria pinnatifida. CHEMOSPHERE 2023; 312:137141. [PMID: 36343734 DOI: 10.1016/j.chemosphere.2022.137141] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/24/2022] [Revised: 11/01/2022] [Accepted: 11/02/2022] [Indexed: 06/16/2023]
Abstract
Seaweeds are some of the principal primary producers of marine environments, and they are important ecological elements of coastal ecosystems. The effects of harmful chemicals on seaweeds may adversely affect coastal ecosystems, hence we aimed to develop a new phytotoxicity test using the gametophytes of a common temperate kelp species, Undaria pinnatifida (KU-1630), for the widely used antifouling chemical substances Cybutryne, Diuron, Cu2+, and Zn2+. Toxicity to gametophytes of U. pinnatifida was assessed by comparing the relative growth rate (RGR) at the logarithmic growth phase. Fragmentation method, initial algal biomass, photon irradiance, and adhesive period were investigated for developing optimal test conditions. Cybutryne exposure tests were performed with seven replicates and control, the RGR ranging from 0.17 to 0.19, while mean 7-day EC50 and no observed effect concentration (NOEC) were 5.1 μg/L and 1.8 μg/L, respectively. The 7-day EC50 for other antifoulants was 14 μg/L for Diuron, 17 μg/L for Cu2+, and 1500 μg/L for Zn2+. This test method demonstrated high sensitivity and reproducibility, and it may be added to the routine methods used for toxicity evaluation of hazardous chemicals.
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Affiliation(s)
- M Nomura
- Graduate School of Maritime Sciences, Kobe University, Fukaeminami-machi, Higashinada-ku, Kobe, 658-0022, Japan
| | - H Okamura
- Research Center for Inland Seas, Kobe University, Fukaeminami-machi, Higashinada-ku, Kobe, 658-0022, Japan.
| | - Y Horie
- Research Center for Inland Seas, Kobe University, Fukaeminami-machi, Higashinada-ku, Kobe, 658-0022, Japan
| | - C K Yap
- Department of Biology, Faculty of Science, Universiti Putra Malaysia, 43400, UPM Serdang, Selangor, Malaysia
| | - C Emmanouil
- School of Spatial Planning and Development, Aristotle University of Thessaloniki, 54124, Thessaloniki, Greece
| | - S Uwai
- Research Center for Inland Seas, Kobe University, Fukaeminami-machi, Higashinada-ku, Kobe, 658-0022, Japan
| | - H Kawai
- Research Center for Inland Seas, Kobe University, Fukaeminami-machi, Higashinada-ku, Kobe, 658-0022, Japan
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4
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Unravelling facilitation among introduced species, a mechanistic approach. Biol Invasions 2021. [DOI: 10.1007/s10530-021-02592-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
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Lee H, Depuydt S, Choi S, Han T, Park J. Rapid toxicity assessment of six antifouling booster biocides using a microplate-based chlorophyll fluorescence in Undaria pinnatifida gametophytes. ECOTOXICOLOGY (LONDON, ENGLAND) 2020; 29:559-570. [PMID: 32333251 DOI: 10.1007/s10646-020-02207-2] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Accepted: 03/30/2020] [Indexed: 06/11/2023]
Abstract
Biocides of antifouling agents can cause problems in marine ecosystems by damaging to non-target algal species. Aquatic bioassays are important means of assessing the quality of water containing mixtures of contaminants and of providing a safety standard for water management in an ecological context. In this study, a rapid, sensitive and inexpensive test method was developed using free-living male and female gametophytes of the brown macroalga Undaria pinnatifida. A conventional fluorometer was employed to evaluate the acute (48 h) toxic effects of six antifouling biocides: 4,5-Dichloro-2-octyl-isothiazolone (DCOIT), diuron, irgarol, medetomidine, tolylfluanid, zinc pyrithione (ZnPT). The decreasing toxicity in male and female gametophytes as estimated by EC50 (effective concentration at which 50% inhibition occurs) values was: diuron (0.037 and 0.128 mg l-1, respectively) > irgarol (0.096 and 0.172 mg l-1, respectively) > tolylfluanid (0.238 and 1.028 mg l-1, respectively) > DCOIT (1.015 and 0.890 mg l-1, respectively) > medetomidine (12.032 and 12.763 mg l-1, respectively). For ZnPT, 50% fluorescence inhibition of U. pinnatifida gametophytes occurred at concentrations above 0.4 mg l-1. The Undaria method is rapid, simple, practical, and cost-effective for the detection of photosynthesis-inhibiting biocides, thus making a useful tool for testing the toxicity of antifouling agents in marine environments.
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Affiliation(s)
- Hojun Lee
- Department of Marine Science, Incheon National University, 119, Academy-ro, Yeonsu-gu, Incheon, 22012, Republic of Korea
- Ghent University Global Campus, 119-5, Songdomunhwa-ro, Yeonsu-gu, Incheon, 21985, Republic of Korea
| | - Stephen Depuydt
- Ghent University Global Campus, 119-5, Songdomunhwa-ro, Yeonsu-gu, Incheon, 21985, Republic of Korea
| | - Soyeon Choi
- Department of Marine Science, Incheon National University, 119, Academy-ro, Yeonsu-gu, Incheon, 22012, Republic of Korea
| | - Taejun Han
- Department of Marine Science, Incheon National University, 119, Academy-ro, Yeonsu-gu, Incheon, 22012, Republic of Korea
- Ghent University Global Campus, 119-5, Songdomunhwa-ro, Yeonsu-gu, Incheon, 21985, Republic of Korea
| | - Jihae Park
- Ghent University Global Campus, 119-5, Songdomunhwa-ro, Yeonsu-gu, Incheon, 21985, Republic of Korea.
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Spill-back events followed by self-sustainment explain the fast colonization of a newly built marina by a notorious invasive seaweed. Biol Invasions 2020. [DOI: 10.1007/s10530-019-02193-5] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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Chefaoui RM, Serebryakova A, Engelen AH, Viard F, Serrão EA. Integrating reproductive phenology in ecological niche models changed the predicted future ranges of a marine invader. DIVERS DISTRIB 2019. [DOI: 10.1111/ddi.12910] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/14/2023] Open
Affiliation(s)
- Rosa M. Chefaoui
- Centre for Marine Sciences (CCMAR), CIMAR Laboratório Associado University of Algarve Faro Portugal
| | - Alexandra Serebryakova
- Centre for Marine Sciences (CCMAR), CIMAR Laboratório Associado University of Algarve Faro Portugal
- Lab. Adaptation & Diversité en Milieu Marin (UMR 7144) Station Biologique de Roscoff, Sorbonne Université, CNRS Roscoff France
| | - Aschwin H. Engelen
- Centre for Marine Sciences (CCMAR), CIMAR Laboratório Associado University of Algarve Faro Portugal
| | - Frédérique Viard
- Lab. Adaptation & Diversité en Milieu Marin (UMR 7144) Station Biologique de Roscoff, Sorbonne Université, CNRS Roscoff France
| | - Ester A. Serrão
- Centre for Marine Sciences (CCMAR), CIMAR Laboratório Associado University of Algarve Faro Portugal
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Chen H. Bayesian inference of environmental effects on seaweed production in Japan via a production-environmental suitability model. BOTANICAL STUDIES 2019; 60:2. [PMID: 30707346 PMCID: PMC6358630 DOI: 10.1186/s40529-018-0250-x] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 09/09/2018] [Accepted: 12/21/2018] [Indexed: 06/09/2023]
Abstract
BACKGROUND Both natural and human-induced disturbances are commonly responsible for an overall decrease of the world's seaweed. Along Japan's coastal areas, edible seaweed production has been decreasing for decades. In this study, a production-environmental suitability model to estimate the impacts of environmental factors on seaweed production was developed. The developed model not only estimates human-induced disturbances but also quantifies the impacts of environmental factors responsible for the decline of annual seaweed production. The model estimated the temporal variation in human-induced disturbances and the effects of environmental factors (i.e., rainfall, CO2 concentrations, temperature, typhoons, solar radiation, water nutrient levels, and water quality) on edible seaweeds in Japan from 1985 to 2012. RESULTS The environmental suitability for seaweed production in Japan was about 4.6 times greater in 1992 than in 2011, meanwhile as a result of human activities, human-induced disturbances of seaweed increased at a rate of 4.9 times faster during the period of 1998-2012 than the period of 1985-1997. The ratio of decreased production to decreased environmental suitability for seaweed production in Japan increased by 15.2% during the study years, which means that seaweed production has become more sensitive to environmental disturbances, including climatic factors and human activities in 1998-2012. CONCLUSIONS The results are novel in demonstrating temporal variations in the level of environmental suitability to seaweed production by using a simple mathematical model. The production-environmental suitability model successfully predicted seaweed production by reflecting the 28-year temporal variation of the observed seaweed production in Japan.
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Affiliation(s)
- Hungyen Chen
- Department of Agronomy, National Taiwan University, Number 1, Section 4, Roosevelt Road, Taipei, 10617, Taiwan.
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9
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Epstein G, Smale DA. Between-habitat variability in the population dynamics of a global marine invader may drive management uncertainty. MARINE POLLUTION BULLETIN 2018; 137:488-500. [PMID: 30503460 DOI: 10.1016/j.marpolbul.2018.10.055] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/22/2018] [Revised: 10/17/2018] [Accepted: 10/26/2018] [Indexed: 06/09/2023]
Abstract
Understanding population dynamics of established invasive species is important for designing effective management measures and predicting factors such as invasiveness and ecological impact. The kelp Undaria pinnatifida has spread to most temperate regions of the world, however a basic understanding of population dynamics is lacking for many regions. Here, Undaria was monitored for 2 years, at 9 sites, across 3 habitats to investigate habitat-related variation in population structure, reproductive capacity and morphology. Populations on marina pontoons were distinct from those in reef habitats, with extended recruitment periods and higher abundance, biomass, maturation rates and fecundity; potentially driven by lower inter-specific and higher intra-specific competition within marinas. This suggests that artificial habitats are likely to facilitate the spread, proliferation and reproductive fitness of Undaria across its non-native range. More broadly, generalising population dynamics of invasive species across habitat types is problematic, thus adding high complexity to management options.
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Affiliation(s)
- Graham Epstein
- Marine Biological Association of the United Kingdom, The Laboratory, Citadel Hill, Plymouth PL1 2PB, UK; Ocean and Earth Science, University of Southampton, National Oceanography Centre Southampton, Waterfront Campus, European Way, Southampton SO14 3ZH, UK.
| | - Dan A Smale
- Marine Biological Association of the United Kingdom, The Laboratory, Citadel Hill, Plymouth PL1 2PB, UK
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Epstein G, Hawkins SJ, Smale DA. Removal treatments alter the recruitment dynamics of a global marine invader - Implications for management feasibility. MARINE ENVIRONMENTAL RESEARCH 2018; 140:322-331. [PMID: 29983191 DOI: 10.1016/j.marenvres.2018.06.022] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/26/2018] [Revised: 06/26/2018] [Accepted: 06/28/2018] [Indexed: 06/08/2023]
Abstract
Frameworks designed to prioritise the management of invasive non-native species (INNS) must consider many factors, including their impacts on native biodiversity, ecosystem services, and human health. Management feasibility should also be foremost in any prioritisation process, but is often overlooked, particularly in the marine environment. The Asian kelp, Undaria pinnatifida, is one of the most cosmopolitan marine INNS worldwide and recognised as a priority species for monitoring in the UK and elsewhere. Here, experimental monthly removals of Undaria (from 0.2 m2 patches of floating pontoon) were conducted at two marinas to investigate their influence on recruitment dynamics and the potential implications for management feasibility. Over the 18-month experiment there was no consistent reduction in Undaria recruitment following removals. Cleaning of pontoon surfaces (i.e. removal of all biota) led to significant short-term reductions in recruitment but caused a temporal shift in normal recruitment patterns. Non-selective removal (i.e. all macroalgae) generally promoted recruitment, while selective removal (i.e. Undaria only) had some limited success in reducing overall recruitment. The varied results indicate that the feasibility of limiting Undaria is likely to be very low at sites with established populations and high propagule pressure. However, where there are new incursions, a mixture of cleaning of invaded surfaces prior to normal periods of peak recruitment followed by selective removal may have some potential in limiting Undaria populations within these sites. Multi-factorial experimental manipulations such as this are useful tools for gathering quantitative evidence to support the prioritisation of management measures for marine INNS.
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Affiliation(s)
- Graham Epstein
- Marine Biological Association of the United Kingdom, The Laboratory, Citadel Hill, Plymouth, PL1 2PB, UK; Ocean and Earth Science, University of Southampton, National Oceanography Centre Southampton, Waterfront Campus, European Way, Southampton, SO14 3ZH, UK.
| | - Stephen J Hawkins
- Marine Biological Association of the United Kingdom, The Laboratory, Citadel Hill, Plymouth, PL1 2PB, UK
| | - Dan A Smale
- Marine Biological Association of the United Kingdom, The Laboratory, Citadel Hill, Plymouth, PL1 2PB, UK
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A theoretical examination of environmental effects on the life cycle schedule and range limits of the invasive seaweed Undaria pinnatifida. Biol Invasions 2017. [DOI: 10.1007/s10530-016-1357-1] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
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Murphy JT, Voisin M, Johnson M, Viard F. Abundance and recruitment data for Undaria pinnatifida in Brest harbour, France: Model versus field results. Data Brief 2016; 7:540-5. [PMID: 27054156 PMCID: PMC4802417 DOI: 10.1016/j.dib.2016.02.075] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/04/2016] [Revised: 02/16/2016] [Accepted: 02/27/2016] [Indexed: 11/29/2022] Open
Abstract
The data presented in this article are related to the research article entitled “A modelling approach to explore the critical environmental parameters influencing the growth and establishment of the invasive seaweed Undaria pinnatifida in Europe” [1]. This article describes raw simulation data output from a novel individual-based model of the invasive kelp species Undaria pinnatifida. It also includes field data of monthly abundance and recruitment values for a population of invasive U. pinnatifida (in Brest harbour, France) that were used to validate the model. The raw model output and field data are made publicly available in order to enable critical analysis of the model predictions and to inform future modelling efforts of the study species.
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Affiliation(s)
- James T Murphy
- Sorbonne Universités, UPMC Univ Paris 6, CNRS, UMR 7144, Adaptation & Diversity in Marine Environment Department, Divco Team, Station Biologique de Roscoff, Place Georges Teissier, 29680 Roscoff, France; Marine Environment Research Group, Ryan Institute, National University of Ireland Galway, Galway, Ireland
| | - Marie Voisin
- Sorbonne Universités, UPMC Univ Paris 6, CNRS, UMR 7144, Adaptation & Diversity in Marine Environment Department, Divco Team, Station Biologique de Roscoff, Place Georges Teissier, 29680 Roscoff, France
| | - Mark Johnson
- Marine Environment Research Group, Ryan Institute, National University of Ireland Galway, Galway, Ireland
| | - Frédérique Viard
- Sorbonne Universités, UPMC Univ Paris 6, CNRS, UMR 7144, Adaptation & Diversity in Marine Environment Department, Divco Team, Station Biologique de Roscoff, Place Georges Teissier, 29680 Roscoff, France
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