Northward shift of a biogeographical barrier on China’s coast

Hu, Lisha; Dong, Yun‐wei

doi:10.1111/ddi.13463

Cited by 16 publications

(11 citation statements)

References 108 publications

(165 reference statements)

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“…Geographically, this unique 'brown' lineage occurring at the species' southern rear-edge (Figure 2) is characterized by low gene flow and high genetic differentiation among populations (Table S4) likely due to a harsher environment, higher genetic drift, higher isolation and selection as compared with the species' range center (Hampe and Petit, 2005). The Yangtze diluted water, which has been illustrated as a physical barrier for trans-regional dispersal and genetic exchange of intertidal species (Hu et al, 2018a) and proposed to move northward to c. 33°-34°N due to the changed habitat continuity and oceanographic circulation (Hu and Dong, 2022), will most likely hinder the expansion of the geographically isolated 'brown' lineage of G. vermiculophylla across the Yangtze River under future climate change scenarios. Yet, the capacity of G. vermiculphylla to adapt to rising temperature at the southern range limit has not been estimated empirically.…”

Section: Discussionmentioning

confidence: 99%

The invasive alga Gracilaria vermiculophylla in the native northwest Pacific under ocean warming: Southern genetic consequence and northern range expansion

et al. 2022

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Ocean warming is one of the most important factors in shaping the spatial distribution and genetic biodiversity of marine organisms worldwide. The northwest Pacific has been broadly illustrated as an essential seaweed diversity hotspot. However, few studies have yet investigated in this region on whether and how past and ongoing climate warming impacted the distribution and genetic pools of coastal seaweeds. Here, we chose the invasive species Gracilaria vermiculophylla as a model, and identified multiple genetic lineages in the native range through genome-scale microsatellite genotyping. Subsequently, by reconstructing decadal trends of sea surface temperature (SST) change between 1978 and 2018, we found that SST in northern Japan and the East China Sea indeed increased broadly by 0.25-0.4°C/decade. The projections of species distribution models (SDMs) under different future climate change scenarios (RCP 2.6, RCP 4.5, RCP 6.0 and RCP 8.5) indicated that a unique genetic pool of G. vermiculophylla at its current southern range limit (i.e. the South China Sea) is at high risk of disappearance, and that the populations at its current northern range limit (i.e. in Hokkaido region) will undergo poleward expansions, particularly by the year 2100. Such responses, along with this species’ limited dispersal potential, may considerably alter the contemporary distribution and genetic composition of G. vermiculophylla in the northwest Pacific, and ultimately threaten ecological services provided by this habitat-forming species and other associated functional roles.

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Section: Discussionmentioning

confidence: 99%

The invasive alga Gracilaria vermiculophylla in the native northwest Pacific under ocean warming: Southern genetic consequence and northern range expansion

et al. 2022

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“…Under the context of continuous global warming, the introgression from high-temperature-adapted lineage may bring genotypes that allow individuals adapted to lower temperatures to better adapt to the warming ocean (Hu & Dong, 2022a;Prada & Hellberg, 2021).…”

Section: Genetic Differentiation Pattern Of the Pelagic Barnacle Lepa...mentioning

confidence: 99%

Thermal heterogeneity is an important factor for maintaining the genetic differentiation pattern of the pelagic barnacle Lepas anatifera in the northwest Pacific

Lin

Chen

et al. 2023

Ecology and Evolution

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“…Range expansion across biogeographical barriers has already rearranged some biogeographical provinces (Hu & Dong, 2021;Nowakowski et al, 2018;Pereira et al, 2010;Wang, Wang, et al, 2020). The coastal biogeographical pattern in the northwestern Pacific (NWP) is determined by multiple factors, including historical events, coastal currents, freshwater discharge, available habitats and climatic factors (Dong et al, 2012;Ni et al, 2017;Wang et al, 2015).…”

Section: Introductionmentioning

confidence: 99%

“…These "hard" substrates (i.e., artificial rocky shores) can provide suitable habitats for rocky shore species. Climate warming and habitat availability are reshaping the phylogeographical and biogeographical boundaries of coastal species in the NWP (Dong et al, 2016;Hu & Dong, 2021;Huang et al, 2015;Wang, Wang, et al, 2020). The rocky intertidal snail Nerita yoldii (Récluz, 1841) is widely distributed in southern China.…”

Section: Introductionmentioning

confidence: 99%

Demographic, physiological and genetic factors linked to the poleward range expansion of the snail Nerita yoldii along the shoreline of China

2022

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Species range shift is one of the most significant consequences of climate change in the Anthropocene. A comprehensive study, including demographic, physiological and genetic factors linked to poleward range expansion, is crucial for understanding how the expanding population occupies the new habitat. In the present study, we investigated the demographic, physiological and genetic features of the intertidal gastropod Nerita yoldii, which has extended its northern limit by ~200 km over the former biogeographical break of the Yangtze River Estuary in recent decades. Data from neutral single nucleotide polymorphisms (SNPs) showed that the new marginal populations formed a distinct cluster established by a few founders. Demographic modelling analysis revealed that the new marginal populations experienced a strong genetic bottleneck followed by recent demographic expansion. Successful expansion that overcame the founder effect might be attributed to its high capacity for rapid population growth and multiple introductions. According to the non‐neutral SNPs under diversifying selection, there were high levels of heterozygosity in the new marginal populations, which might be beneficial for adapting to the novel thermal conditions. The common garden experiment showed that the new marginal populations have evolved divergent transcriptomic and physiological responses to heat stress, allowing them to occupy and survive in the novel environment. Lower transcriptional plasticity was observed in the new marginal populations. These results suggest a new biogeographical pattern of N. yoldii has formed with the occurrence of demographic, physiological and genetic changes, and emphasize the roles of adaptation of marginal populations during range expansion.

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Northward shift of a biogeographical barrier on China’s coast

Abstract: This is an open access article under the terms of the Creat ive Commo ns Attri bution License, which permits use, distribution and reproduction in any medium, provided the original work is properly cited.

Cited by 16 publications

References 108 publications

The invasive alga Gracilaria vermiculophylla in the native northwest Pacific under ocean warming: Southern genetic consequence and northern range expansion

The invasive alga Gracilaria vermiculophylla in the native northwest Pacific under ocean warming: Southern genetic consequence and northern range expansion

Thermal heterogeneity is an important factor for maintaining the genetic differentiation pattern of the pelagic barnacle Lepas anatifera in the northwest Pacific

Demographic, physiological and genetic factors linked to the poleward range expansion of the snail Nerita yoldii along the shoreline of China

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