Potential distribution of Mikania micrantha Kunth in India − evidence of climatic niche and biome shifts

Banerjee, Achyut Kumar; Mukherjee, Abhishek; Dewanji, Anup

doi:10.1016/j.flora.2017.08.001

Cited by 22 publications

(16 citation statements)

References 57 publications

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“…Specifically, (i) rapid adaptation to climate is conducive to range expansion of invasive plants. Temperature and precipitation are important determinants of the growth, adaptation, and potential distribution of M. micrantha [23]. Consistent with this, the mean temperature of driest quarter, isothermality, precipitation of driest month, annual precipitation, and precipitation of warmest quarter were significantly associated with outlier SNPs, which reflects the importance of these environmental variables in the distribution of this species [35,78] and indicates that the M. micrantha genome responds to temperature and precipitation fluctuations.…”

Section: Adaptive Response To Environmental Variablessupporting

confidence: 68%

“…The rapid expansion and invasion of this species in the Pacific Island and Southeast and South Asia regions, including southern China, has caused enormous economic losses and ecosystem damage [21,22]. The distribution of M. micrantha covers a relatively wide array of biome types, including tropical and subtropical moist and dry broadleaf forests, tropical and subtropical coniferous forests, tropical and subtropical grasslands, deserts and xeric shrublands, savannas, and temperate broadleaf and mixed forest [23]. M. micrantha plants can grow in a variety of soil types, in both dry and cold areas, in aquatic habitats, and in broad light niches [24][25][26].…”

Section: Introductionmentioning

confidence: 99%

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Population Genomics Reveals Gene Flow and Adaptive Signature in Invasive Weed Mikania micrantha

Ruan

Wang

et al. 2021

Genes

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A long-standing and unresolved issue in invasion biology concerns the rapid adaptation of invaders to nonindigenous environments. Mikania micrantha is a notorious invasive weed that causes substantial economic losses and negative ecological consequences in southern China. However, the contributions of gene flow, environmental variables, and functional genes, all generally recognized as important factors driving invasive success, to its successful invasion of southern China are not fully understood. Here, we utilized a genotyping-by-sequencing approach to sequence 306 M. micrantha individuals from 21 invasive populations. Based on the obtained genome-wide single nucleotide polymorphism (SNP) data, we observed that all the populations possessed similar high levels of genetic diversity that were not constrained by longitude and latitude. Mikania micrantha was introduced multiple times and subsequently experienced rapid-range expansion with recurrent high gene flow. Using FST outliers, a latent factor mixed model, and the Bayesian method, we identified 38 outlier SNPs associated with environmental variables. The analysis of these outlier SNPs revealed that soil composition, temperature, precipitation, and ecological variables were important determinants affecting the invasive adaptation of M. micrantha. Candidate genes with outlier signatures were related to abiotic stress response. Gene family clustering analysis revealed 683 gene families unique to M. micrantha which may have significant implications for the growth, metabolism, and defense responses of M. micrantha. Forty-one genes showing significant positive selection signatures were identified. These genes mainly function in binding, DNA replication and repair, signature transduction, transcription, and cellular components. Collectively, these findings highlight the contribution of gene flow to the invasion and spread of M. micrantha and indicate the roles of adaptive loci and functional genes in invasive adaptation.

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Section: Adaptive Response To Environmental Variablessupporting

confidence: 68%

Section: Introductionmentioning

confidence: 99%

Population Genomics Reveals Gene Flow and Adaptive Signature in Invasive Weed Mikania micrantha

Ruan

Wang

et al. 2021

Genes

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“…Given that the species is occupying new climatic niches in its invasive range, the modeled distribution combining native and invasive occurrence data provided a robust estimate of the potential distribution of M. micrantha under current and future climate conditions. The observed pattern of realized climatic niche movement toward dry and cold areas of its invasive range is also evident from the climatic suitability and occurrence of the species in the temperate broadleaf and mixed forest biome which is present but unoccupied in its native range (Banerjee et al, 2017b). This shift in biome occupancy between native and invasive ranges has been recorded in other invasive species as well (Gallagher et al, 2010).…”

Section: Identifying Potential Distributionmentioning

confidence: 77%

Spatio-Temporal Patterns of Climatic Niche Dynamics of an Invasive Plant Mikania micrantha Kunth and Its Potential Distribution Under Projected Climate Change

et al. 2019

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“…It was found that invasive species like Mikania micrantha was associated with H. aromatica in Banderdewa and Abongo camp. The Mikania micrantha is a top invasive species with diverse distributional range and a larger extent of the Indian landmass is climatically suitable for M. micrantha growth (60). So, it can be said that M. micrantha could become a threat to H. aromatica as it shares the same habitat.…”

Section: Discussionmentioning

confidence: 99%

Assessment of eco-diversity status of Homalomena aromatica (Spreng.) Schott and its habitat in tropical forest of Indian Eastern Himalaya

Ronald¹,

Gajurel²,

Singh³

2019

Plant Sci. Today

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Homalomena aromatica (Spreng.) Schott is one of the economically important plant species occurring in the North east and Eastern Himalayan region of India which received least attention in its ecological and conservation studies. The current study has been undertaken in the north eastern state of Arunachal Pradesh. The population, phytosociological status of its habitat, regeneration and species association of H. aromatica were worked out using standard ecological methods. Out of the 15 selected forest sites for survey, H. aromatica was found only in 9 sites. A total of 288 species representing 99 families are documented from the selected sites where Euphorbiaceae, Meliaceae, Araceae, Dipterocarpaceae and Poaceae are found dominant in all the 9 sites. Species diversity index (H′) of all the three habits i.e. the tree, shrub, and herb were found highest in Happy Valley site followed by Ganga Lake. A total of 219 individuals of H. aromatica recorded which were found confined within the altitudinal ranges of 350m-450m asl. The IVI (1.95 to 9.64) and Frequency % (5 to 12.5) range of H. aromatica found significantly low at all the survey sites. Pearson’s correlation analysis reveals that there is a positive relationship between the population size and the species diversity index, where shrub showed the strongest relationship (r(7)=0.900, P=0.001) followed by tree r(7)=0.736, P=0.024 and the herbs with weakest relationship (r(7)=0.39, P=0.269). The Chi-square test of association indicated significant association of 10 species with H. aromatica in the various sites where Alocasia acuminate (Aracaceae), Amomum sp. (Zingiberaceae) and Pteris sp. (Pteridaceae) showed highest association with higher Chi square value. The poor population status with average density of 3041.67/hectare and 8.89 frequency percentage as well the existing anthropogenic threats to the species recorded in the present study has warrants for its immediate conservation.

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Potential distribution of Mikania micrantha Kunth in India − evidence of climatic niche and biome shifts

Cited by 22 publications

References 57 publications

Population Genomics Reveals Gene Flow and Adaptive Signature in Invasive Weed Mikania micrantha

Population Genomics Reveals Gene Flow and Adaptive Signature in Invasive Weed Mikania micrantha

Spatio-Temporal Patterns of Climatic Niche Dynamics of an Invasive Plant Mikania micrantha Kunth and Its Potential Distribution Under Projected Climate Change

Assessment of eco-diversity status of Homalomena aromatica (Spreng.) Schott and its habitat in tropical forest of Indian Eastern Himalaya

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