Corpus ID: 82411025

Factors causing extinction of a freshwater pearl mussel, Margaritifera laevis in Japan (Bivalvia: Unionoida)

@inproceedings{Akiyama2007FactorsCE,
  title={Factors causing extinction of a freshwater pearl mussel, Margaritifera laevis in Japan (Bivalvia: Unionoida)},
  author={Y. Akiyama},
  year={2007}
}
A “parasite-tag” approach reveals long-distance dispersal of the riverine mussel Margaritifera laevis by its host fish
TLDR
A “parasite-tag” approach to the riverine mussel Margaritifera laevis and its obligate host fish provides highly needed evidence: host fish can be effective in mediating long-distance dispersal of a riverine Mussel species. Expand
Growth parameters of endangered freshwater pearl mussel (Margaritifera laevis, Unionoida)
TLDR
Results suggest that margaritiferid mussels in southern regions such as M. laevis in Japan and M. margar itifera in Spain may be particularly vulnerable when conditions are unsuitable for juvenile mussels for prolonged periods. Expand
Parasite infection induces size-dependent host dispersal: consequences for parasite persistence
TLDR
The simulation study revealed that this plastic dispersal response of infected hosts substantially enhanced parasite persistence and occupancy in a spatially structured system, suggesting that dispersal plasticity in host species is critical for understanding how parasites emerge, spatially spread, and persist in nature. Expand
A cryptic Allee effect: spatial contexts mask an existing fitness–density relationship
TLDR
It is suggested that spatial contexts can mask existing Allee effects, as shown in the results of a test of the fertilization rate of the freshwater mussel Margaritifera laevis. Expand
Asymmetric dispersal structures a riverine metapopulation of the freshwater pearl mussel Margaritifera laevis
TLDR
This work hypothesized that water-mediated dispersal would overwhelm upstream dispersal via host fish, and therefore, that upstream subpopulations play a critical role as immigrant sources, and examined the effects of both up- and downstream immigrant sources on the size of target subpopulation in the Shubuto River system, Hokkaido, Japan. Expand
Dispersal of Larvae of Margaritifera Laevis by Its Host Fish
TLDR
The results suggest that glochidial dispersal via host fish is important for local recruitment and upstream dispersal, but dispersal to tributaries may be a source of mortality for M. laevis. Expand
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References

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The culture of juvenile freshwater pearl mussels Margaritifera margaritifera L. in cages: A contribution to conservation programmes and the knowledge of habitat requirements
Abstract The culture of juvenile Margaritifera margaritifera in cages is shown to be a useful method of raising the early post-parasitic stages in suitable rivers for scientific or conservationExpand
The adaptive value of offspring size among freshwater mussels (Bivalvia, Unionoidea)
TLDR
The glochidia (larvae) of the freshwater mussels Unionoidea must attach to a host fish to pass through their parasitic stage, and there appear to be no allometric constraints on glochidial size. Expand
On the parasitic glochidium of the fresh-water pearl mussel, Margaritifera margaritifera (L.) on salmonid fish
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The fresh-water pearl mussel, Margaritifera margaritifera (L.)
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Potential fragmentation and loss
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Potential fragmentation and loss of thermal habitats for charrs in the Japanese archipelago due to climatic warming
1. The upper thermal limits of the present distributions of two charr species, Dolly Varden, Salvelinus malma, and white-spotted charr, S. leucomaenis, in streams of the Japanese archipelago wereExpand
Evaluation of Techniques for Age determination of Fresh water Mussels (Unionidae)
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