Limits...
Rapid divergence of ecotypes of an invasive plant.

Ray A, Ray R - AoB Plants (2014)

Bottom Line: We found multiple genetic clusters that were non-randomly distributed across space.In addition, we obtained evidence of inhibitory effects of selection on gene flow, i.e. isolation by environmental distance.Based on a non-random distribution of clusters, unequal gene flow among them and different bioclimatic niche requirements, we concluded that the emergence of ecotypes represented by two genetic clusters is underway.

View Article: PubMed Central - PubMed

Affiliation: National Centre for Biological Sciences, Tata Institute of Fundamental Research, GKVK Campus, Bellary Road, Bangalore 560065, India Present address: Ashoka Trust for Research in Ecology and the Environment (ATREE), Royal Enclave, Sriramapura, Jakkur Post, Bangalore 560064, India, and Center for Interdisciplinary Studies (CIS), Basudha, Kolkata 700078, India avik.ray.kol@gmail.com avik.ray@atree.org.

No MeSH data available.


(A) Flowering and (B) fruiting twig of Lantana camara.
© Copyright Policy - creative-commons
Related In: Results  -  Collection

License
getmorefigures.php?uid=PMC4215188&req=5

PLU052F1: (A) Flowering and (B) fruiting twig of Lantana camara.

Mentions: Lantana camara (henceforth Lantana) provides an interesting system which can be used to investigate such dynamics due to its recent history of invasion and establishment in India (Fig. 1A and B). A native of South and Central America, the plant was brought to India in the early 19th century as an ornamental plant. It was originally planted in the Indian Botanic Garden, Kolkata, and was subsequently introduced into northern (Dehradun) and southern India (Mysore) (Stirton 1978; Kohli et al. 2006). Eventually it escaped from gardens and gradually propagated and established itself across India. In the naturalized range, it often forms dense monospecific thickets or clumps (Swarbrick et al. 1998) and crowds out native species; perhaps thereby it invades or dominates an ecosystem (Duggin and Gentle 1998). The wider distribution of Lantana is attributed to its ecological tolerance and adaptability to various habitats (Broughton 2000; Day et al. 2003). In addition to that, its rapid spread over diverse biogeographic regions in a very short time span (∼200 years) has instigated several unanswered questions on its ecology, history, dynamics and their effects on the overall success of the species.Figure 1.


Rapid divergence of ecotypes of an invasive plant.

Ray A, Ray R - AoB Plants (2014)

(A) Flowering and (B) fruiting twig of Lantana camara.
© Copyright Policy - creative-commons
Related In: Results  -  Collection

License
Show All Figures
getmorefigures.php?uid=PMC4215188&req=5

PLU052F1: (A) Flowering and (B) fruiting twig of Lantana camara.
Mentions: Lantana camara (henceforth Lantana) provides an interesting system which can be used to investigate such dynamics due to its recent history of invasion and establishment in India (Fig. 1A and B). A native of South and Central America, the plant was brought to India in the early 19th century as an ornamental plant. It was originally planted in the Indian Botanic Garden, Kolkata, and was subsequently introduced into northern (Dehradun) and southern India (Mysore) (Stirton 1978; Kohli et al. 2006). Eventually it escaped from gardens and gradually propagated and established itself across India. In the naturalized range, it often forms dense monospecific thickets or clumps (Swarbrick et al. 1998) and crowds out native species; perhaps thereby it invades or dominates an ecosystem (Duggin and Gentle 1998). The wider distribution of Lantana is attributed to its ecological tolerance and adaptability to various habitats (Broughton 2000; Day et al. 2003). In addition to that, its rapid spread over diverse biogeographic regions in a very short time span (∼200 years) has instigated several unanswered questions on its ecology, history, dynamics and their effects on the overall success of the species.Figure 1.

Bottom Line: We found multiple genetic clusters that were non-randomly distributed across space.In addition, we obtained evidence of inhibitory effects of selection on gene flow, i.e. isolation by environmental distance.Based on a non-random distribution of clusters, unequal gene flow among them and different bioclimatic niche requirements, we concluded that the emergence of ecotypes represented by two genetic clusters is underway.

View Article: PubMed Central - PubMed

Affiliation: National Centre for Biological Sciences, Tata Institute of Fundamental Research, GKVK Campus, Bellary Road, Bangalore 560065, India Present address: Ashoka Trust for Research in Ecology and the Environment (ATREE), Royal Enclave, Sriramapura, Jakkur Post, Bangalore 560064, India, and Center for Interdisciplinary Studies (CIS), Basudha, Kolkata 700078, India avik.ray.kol@gmail.com avik.ray@atree.org.

No MeSH data available.