Intertidal macroalgal and epiphytic polychaete distributions strengthen marine ecoregions of Western Australia

Hadiyanto, Hadiyanto; Prince, Jane; Hovey, Renae K.; Glasby, Christopher J.

doi:10.21425/f5fbg57954

Cited by 2 publications

(3 citation statements)

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“…This indicates that alien tube worms respond rapidly to small changes in environmental factors, especially mean sea surface temperature, primary productivity, and current velocity. Significant effects of these factors on the distribution patterns of marine worms have also been reported in previous studies [43][44][45]. Nevertheless, alien tube worms may respond differently to other factors, including temperature range, mean salinity, salinity range, and mean nitrate.…”

Section: Discussionsupporting

confidence: 74%

Climate change influences global distribution of alien tube worms

Hadiyanto

2023

IOP Conf. Ser.: Earth Environ. Sci.

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Alien tube worms have been introduced outside their original distribution areas via international shipping and have become invasive in these areas. Climate change has been acknowledged to redistribute both native and alien species; however, the effect of climate change on the global distribution of alien tube worms is unknown. This study predicts the global distribution patterns of alien tube worms (Hydroides elegans, Sabella spallanzanii, and Ficopomatus enigmaticus) and projects how climate change influences these patterns using species distribution modelling. Sea surface temperature, salinity, primary productivity, phosphate, nitrate, and current velocity are selected as the predictors. The models predict species occurrences well, with AUC values greater than 0.95. Under the present climate scenario, the occurrence probability of alien tube worms is high (>0.9) within the temperate Atlantic Ocean, Persian Gulf, Sea of Japan, Yellow Sea, Southern China, and Southern Australia. The probability of occurrence is expected to increase across oceans by 2100, suggesting that alien tube worms will be more common in the future. Increases in occurrence probability are also projected at higher latitudes (e.g., Barents Sea) by 2100, indicating poleward shifts of these species. This study highlights the urgency of incorporating climate change into the management of alien invasive species.

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Section: Discussionsupporting

confidence: 74%

Climate change influences global distribution of alien tube worms

Hadiyanto

2023

IOP Conf. Ser.: Earth Environ. Sci.

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“…This practice of regionalization is commonly employed across numerous studies, including those concentrating on conservation, biogeography, and landscape ecology (Alfaro-Lucas et al, 2023;Hadiyanto et al, 2023;Novi et al, 2021;Petrov, 2022). Despite its widespread…”

Section: Introductionmentioning

confidence: 99%

“…Ecoregions, widely recognized as one of the main forms of ecological regionalization, represent terrestrial and aquatic areas with distinct ecological and climatic characteristics (Spalding et al., 2007). This practice of regionalization is commonly employed across numerous studies, including those concentrating on conservation, biogeography, and landscape ecology (Alfaro‐Lucas et al., 2023; Hadiyanto et al., 2023; Novi et al., 2021; Petrov, 2022). Despite its widespread use, there is still a lack of robust, statistically based, multi‐taxa research that empirically validates this regionalization, particularly regarding the correlation of ecoregion boundaries with the actual distribution of biota.…”

Section: Introductionmentioning

confidence: 99%

Beta diversity and regionalization of the western Atlantic marine biota

Oliveira,

Azevedo,

Dias

et al. 2024

Journal of Biogeography

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AimUnderstanding the factors determining marine community variations is important for biogeography and conservation. Beta diversity is a metric for mapping species composition variations between communities and regionalizing biota. Ecoregions are commonly used for regionalization, but their empirical testing has been limited. Our aim is to map marine species composition variations in the Western Atlantic, identify variables related to these variations, and regionalize areas based on community distribution. Additionally, we test whether currently proposed ecoregions represent unique biota units and specific environmental conditions.LocationWestern Atlantic Ocean.TaxonVertebrates, invertebrates and algae.MethodsWe constructed a large marine biodiversity database, including vertebrates, invertebrates, and algae, totalling over 4 million records. We used the generalized dissimilarity model (GDM) to identify variables most related to species composition variations and map beta‐diversity variations. We employed an unsupervised classifier for community regionalization. To test if the ecoregion regionalization boundaries are corroborated by species distribution data, we used the Sørensen index. To assess if ecoregions correspond to environmental units, we checked if areas had distinct environmental conditions using a PCA of 134 marine environmental variables.ResultsThe GDM explained a high variation in species composition, 61% in the complete database. Analysing vertebrates, invertebrates and algae separately also yielded relatively high results: 46%, 54%, and 33%, respectively. Coastal areas differed from open sea areas in composition. Environmental variables combined better explained beta diversity than isolated variables. The regionalization based on GDM was not congruent with ecoregion boundaries. Moreover, ecoregions showed no distinction in species composition or environmental conditions.Main ConclusionsThis study's regionalization is crucial for marine biodiversity conservation, focusing on understanding species composition patterns between coastal and open sea areas to develop tailored conservation strategies. Despite sampling limitations, the study advances marine biogeography knowledge by analysing over 4 million species records and 134 environmental variables. This comprehensive approach enhances understanding marine species distribution and diversity and aiding the development of effective conservation measures.

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Intertidal macroalgal and epiphytic polychaete distributions strengthen marine ecoregions of Western Australia

Cited by 2 publications

References 102 publications

Climate change influences global distribution of alien tube worms

Climate change influences global distribution of alien tube worms

Beta diversity and regionalization of the western Atlantic marine biota

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