Fine-scale clonal structure of the lingonberry Vaccinium vitis-idaea under the nurse plant Pinus pumila vegetation in an alpine region, Mt. Norikura
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View abstract on PubMed
Summary
This summary is machine-generated.Clonal growth of Vaccinium vitis-idaea under Pinus pumila nurse plants is key for population sustainability in Japanese alpine regions. Nurse plant spread may enhance genetic diversity and long-term survival of beneficiary plants.
Area Of Science
- Ecology
- Plant Biology
- Population Genetics
Background
- The nurse effect describes how nurse plants facilitate the establishment of beneficiary plants.
- Vaccinium vitis-idaea (beneficiary) commonly grows under Pinus pumila (nurse) in Japanese alpine zones.
- The reproductive strategy (clonal vs. seed) of V. vitis-idaea under P. pumila is not well understood.
Purpose Of The Study
- To investigate the clonal structure and diversity of Vaccinium vitis-idaea populations.
- To determine the role of clonal growth in the establishment and spread of V. vitis-idaea under Pinus pumila.
- To assess the relationship between nurse plant characteristics and beneficiary plant genetic diversity.
Main Methods
- Microsatellite-based multiplexed sequencing (MIG-seq) was employed to analyze genetic diversity.
- Samples were collected from V. vitis-idaea ramets across different Pinus pumila plot types (patchy and dense).
- Multilocus genotypes were identified to infer clonal structure and spread.
Main Results
- Twenty-eight multilocus genotypes were identified among 319 V. vitis-idaea ramets.
- Some genets exhibited extensive clonal spread (over 10m) within dense P. pumila plots (MAT).
- Genets were shared between patchy (PATs) and dense (MAT) P. pumila plots, indicating inter-plot connectivity.
Conclusions
- Clonal growth is a significant factor in the population sustainability of V. vitis-idaea.
- Higher clonal diversity was observed in dense nurse plant plots (MAT) and correlated with the size of patchy plots (PATs).
- The spatial expansion of Pinus pumila nurse plants may enhance the nurse effect, promoting genetic diversity and long-term survival of V. vitis-idaea.
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