Achyut Kumar Banerjee

Achyut Kumar Banerjee
Sun Yat-Sen University | SYSU · School of Life Sciences

PhD

About

40
Publications
7,936
Reads
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262
Citations
Introduction
I work in the field of plant invasion and my research interest is to understand the biotic and abiotic influences on range dynamics of invasive plants. Towards this major objective, my research focuses on the molecular and historical biogeography, environmental niche modelling, field and controlled experiments to characterize phenotypic variation in traits, growth dynamics and community ecology. I have a keen interest in the application of RS and GIS technology in plant invasion studies.
Additional affiliations
March 2018 - present
Sun Yat-Sen University
Position
  • PostDoc Position
December 2017 - February 2018
Indian Statistical Institute
Position
  • Researcher
August 2017 - November 2017
Terracon Ecotech Pvt Ltd.
Position
  • Manager
Education
August 2010 - July 2017
University of Calcutta
Field of study
  • Botany
August 2007 - July 2009
Presidency College, University of Calcutta
Field of study
  • Botany
August 2004 - July 2007

Publications

Publications (40)
Article
Native to Latin America, Mikania micrantha is considered as one of the top invaders in the moist tropical zones of the Pacific and Asian countries, including India. This study was conducted with two specific objectives − first, to examine the niche and biome conservancy of M. micrantha between its native and Indian ranges and second, to understand...
Article
Full-text available
Phenotypic variation in the introduced range of an invasive species can be modified by genetic variation, environmental conditions and their interaction, as well as stochastic events like genetic drift. Recent studies found that epigenetic modifications may also contribute to phenotypic variation being independent of genetic changes. Despite gainin...
Article
Full-text available
Background and Aims: Mikania micrantha Kunth, a climbing perennial weed of the family Asteraceae, is native to Latin America and is highly invasive in the tropical belt of Asia, Oceania and Australia. This study was framed to investigate the population structure of M. micrantha at a large spatial scale in Asia and to identify how introduction histo...
Article
Why do some alien plants become naturalized, and some naturalized become invasive? Do different factors determine successful naturalization and invasion? Most, if not all, studies addressing these questions have focused either on the part of the invasion continuum or a specific group of alien species. In this study, we aimed to answer these questio...
Article
Biological invasions are a major global challenge for the conservation of biodiversity, maintenance of ecosystem health and sustainable livelihoods. As the number of novel introductions of invasive species is predicted to increase due to rising trade volumes in the emerging economies, regulatory policies to prevent the introduction and spread of in...
Article
Introduction and spread of the halophyte Spartina alterniflora is one of the largest continental-scale biological invasion events in Asia and the Americas. Rapid globalization and broad environmental tolerance of the species increase the chance of novel invasions. Thus, we aimed to identify susceptible regions to inform prevention and control activ...
Article
India has numerous invasive alien plant species (IAPS), which seriously impact biodiversity, ecosystem services, and economic development. Availability of reliable occurrence records of the IAPS is of great importance for their successful management, prediction of distribution across time and space, and other research and development efforts. Globa...
Article
Premise of the study: The phylogeography of coastal plant species is shaped by contemporary and historical biogeographic processes. In this study, we aim to decipher the phylogeography of Derris trifoliata, a woody legume of relatively recent origin and wide distribution, in coastal areas in the Indo-West Pacific (IWP) region. Methods: Genetic d...
Article
Full-text available
Phylogeographic studies are used to understand the spatial distribution and evolution of genetic diversity, and have major conservation implications, especially for threatened taxa like the mangroves. This study aimed to assess the phylogeographic pattern of Aegiceras corniculatum, a cryptoviviparous mangrove, across its distribution range in the I...
Article
Full-text available
1. Biological invasions pose an unprecedented threat to biodiversity and ecosystems at different spatial scales, especially for a biodiversity-rich developing nation like India. While country-level checklists of alien taxa are important, databases having their biological and ecological attributes are of paramount importance for facilitating researc...
Article
Mangrove forests provide a wide range of ecosystem services, yet they are declining rapidly due to climate change and human activities. Identification of conservation priority targets across spatial and temporal scales may assist in planning and decision making, especially in areas having rich mangrove diversity but with limited response capacity....
Article
Full-text available
The impacts of invasive alien species are well-known and are categorised as a leading contributor to biodiversity loss globally. However, relatively little is known about the monetary costs incurred from invasions on national economies, hampering management responses. In this study, we used published data to describe the economic cost of invasions...
Article
Full-text available
Invasive species have caused severe impacts on biodiversity and human society. Although the estimation of environmental impacts caused by invasive species has increased in recent years, economic losses associated with biological invasions are only sporadically estimated in space and time. In this study, we synthesized the losses incurred by invasio...
Article
Full-text available
Mangroves are ecologically important forest communities in tropical and subtropical coasts, the effective management of which requires understanding of their phylogeographic patterns. However, these patterns often vary among different species, even among ecologically similar taxa or congeneric species. Here, we investigated the levels and patterns...
Preprint
Full-text available
Plant invasions pose an unprecedented threat to biodiversity and ecosystems at different spatial scales, especially for a biodiversity-rich developing nation like India. While country-level checklists are considered as the first step for effective management of plant invasions, databases having biological and ecological attributes of these plant sp...
Article
Canavalia rosea, a perennial vine of the legume (Fabaceae) family, is commonly found in the tropical and subtropical coasts of the world. The long-distance dispersal ability of its sea-drifted seeds has aided the species to attain a pantropical distribution. While there has been some progress on its global phylogeography, the influence of evolution...
Preprint
Full-text available
Biological invasions are one of the top drivers of the ongoing biodiversity crisis. An underestimated consequence of invasions is the enormity of their economic impacts. Knowledge gaps regarding economic costs produced by invasive alien species (IAS) are pervasive, particularly for emerging economies such as India — the fastest growing economy worl...
Article
The phylogeography of coastal plant species is heavily influenced by past sea‐level fluctuations, dispersal barriers, and life‐history traits, such as long‐distance dispersal ability of the propagules. Unlike the widely studied mangroves, phylogeographic patterns have remained mostly obscure for other coastal plant species. In this study, we sample...
Article
Biological control of invasive weeds relies on the intentional release of host specific natural enemies from the native range of the weed to its invaded range. Development of distribution models for weed biological control agents presents several challenges; chief among these, especially early in biological control programs, is a paucity of ecologi...
Article
Full-text available
We contend that the exclusive focus on the English language in scientific research might hinder effective communication between scientists and practitioners or policy makers whose mother tongue is non-English. This barrier in scientific knowledge and data transfer likely leads to significant knowledge gaps and may create biases when providing globa...
Article
Full-text available
Acanthus ilicifolius is a widespread mangrove species in the Indo-West Pacific (IWP) with high ecological value. In this study, we analyzed the patterns of genetic variation in the species across its distribution range and assessed factors that may have influenced its genetic structure across the IWP using data from four chloroplast DNA fragments....
Article
Full-text available
Phylogeographic forces driving evolution of sea‐dispersed plants are often influenced by regional and species characteristics, although not yet deciphered at a large spatial scale for many taxa like the mangrove species Heritiera littoralis . This study aimed to assess geographic distribution of genetic variation of this widespread mangrove in the...
Article
Aims: Pluchea indica is a mangrove-associate species, known for its medicinal properties in its native range and being invasive in part of its introduced range. This study aimed to assess geographic distribution of genetic variation of this species across its distribution range, identify the factors influencing its genetic structure and use this in...
Article
Full-text available
Predicting the potential distribution of invaders is informative for pre-emptive policy or management decisions and identifying suitable areas for establishment of new populations. Temporal projection of potential distributions is complicated by the magnitude and pace of changing climate, which could alter suitability under future conditions. The w...
Article
Full-text available
Ecological niche models (ENM), an effective tool to predict the potential distribution of invasive species, are often built on assumptions of niche conservatism between native and invasive ranges and genetic uniformity of the invasive population. In this study, we have incorporated genetic information with ENM to generate projected distribution of...
Article
Full-text available
Similarity of climatic niches occupied by a species in its native and invasive ranges has been recognized as one of the key factors for successful invasion. Accounting for changes in climatic niche over time may provide better understanding of the dynamic biological invasion process. We investigated these changes for an invasive alien plant Mikania...
Article
Full-text available
Camellia renshanxiangiae is a vulnerable species distributed in China with unique hairy anthers and faint scent. Here, we report the characterization of its complete chloroplast (cp) genome using Illumina pair-end sequencing data. The total chloroplast genome size was 156,665 bp, including two inverted repeats (IRs) of 26,071 bp each, separated by...
Article
Full-text available
Biological invasions by alien non-indigenous species are one of the major problems of the present era which impose massive environmental and socio-economic costs. In India about 40% of the floral species have long been recognized to be aliens, but the need for priority conservation efforts has only been felt since the turn of the century. Thus, it...
Article
High population fitness and early arrival in the community give exotic plants a competitive advantage over the natives in a novel environment. These processes are often influenced by environmental heterogeneity like habitat disturbance and seasonal impacts. These effects were experimentally investigated in this study with the hypothesis that enviro...
Article
Full-text available
Camellia granthamiana is a wild camellia resource endemic to China and is listed as a Vulnerable species globally. Here, we reported and characterized its complete chloroplast (cp) genome by using Illumina pair-end sequencing data. The total chloroplast genome size was 157,001 bp, including inverted repeats (IRs) of 26,042 bp, separated by a large...
Article
Full-text available
In tropical urban areas, prone to invasions by multiple exotic species, there is a need for studies to understand the precise nature of the relationship between native and exotic species. This observational study was conducted in a rapidly urbanizing Indian metropolis. It examined the native and exotic species separately as a function of richness a...
Article
Full-text available
Intraspecific trait variability, which plays an important role in community assembly, was studied in an invasive plant Mikania micrantha along with its impact on community composition. The abundance of M. micrantha and community composition were recorded in a quadrat based study conducted on a spatial (littoral, terrestrial, and an intermediate hab...
Article
Full-text available
The successful establishment of an invasive plant in a novel environment has been attributed to the phenotypic plasticity of plant traits, with most studies focussing on vegetative trait plasticity in either experimental and/or natural habitat conditions. This study explores the role of phenotypic plasticity, in both vegetative and reproductive tra...
Article
Full-text available
The present study is concerned with one of the top ten worst weeds of the world, Mikania micrantha H.B.K., and its growth in a rapidly urbanizing city, Kolkata. The two primary objectives were to assess the impact of this invasive plant on floral diversity as well as its potential for spread into new areas. A quadrat based assessment was conducted...
Poster
Full-text available
In context of plant invasion, the present study is concerned with one of the top 10 worst weeds of the world Mikania micrantha H.B.K. of the family Asteraceae. The presence of this plant in India has mainly been reported from forest or plantation areas where its invasion leads to considerable economic loss. In view of the recent concern regarding t...
Conference Paper
Full-text available
Biological invasion is now a major threat to global biodiversity. As one of the worst invasive weeds in the world, research on various aspects of Mikania micrantha H.B.K. is increasing over the years. The plant was introduced in India after the Second World War and its profuse growth in Kerala and Assam over the years affected forests and tea plant...

Projects

Projects (2)
Project
To integrate the molecular components in the classical ecology studies, and provide empirical evidence of ecological and evolutionary aspects of phenotypic variation in invasive plants
Project
Developing an inclusive and easy-to-access database aggregating the different ecological, geographical and socio-economic attributes of alien vascular plant species present in India