Genetic Variability and Adaptation in Invasive Plant Species in Mexico
DOI:
https://doi.org/10.47672/ejb.2299Keywords:
Genetic Variability, Adaptation, Invasive Plant SpeciesAbstract
Purpose: The aim of the study was to assess the genetic variability and adaptation in invasive plant species in Mexico.
Materials and Methods: This study adopted a desk methodology. A desk study research design is commonly known as secondary data collection. This is basically collecting data from existing resources preferably because of its low cost advantage as compared to a field research. Our current study looked into already published studies and reports as the data was easily accessed through online journals and libraries.
Findings: The study found that invasive plants often exhibit higher genetic diversity compared to native populations, which enhances their ability to adapt to various environmental conditions. This genetic variability allows invasive species to respond more effectively to selective pressures such as climate changes, soil variations, and interactions with other organisms. For example, populations of the invasive plant species Fallopia japonica have demonstrated significant genetic differentiation, enabling them to thrive in diverse habitats across different continents. Additionally, genetic studies on the invasive grass species Phragmites australis have revealed that hybridization and polyploidy contribute to their invasive success, providing them with a broader genetic toolkit to exploit new ecological niches. The genetic adaptability of these species often results in rapid population growth and spread, outcompeting native flora and leading to significant ecological impacts.
Implications to Theory, Practice and Policy: Evolutionary theory of invasive species, theory of genetic adaptation and phenotypic plasticity and the enemy release hypothesis may be used to anchor future studies on assessing the genetic variability and adaptation in invasive plant species in Mexico. Regular genetic monitoring of invasive plant populations should be implemented to track changes in genetic diversity and identify emerging threats. Policies should be formulated to support comprehensive genetic and ecological monitoring programs.
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