Habitat characteristics and size structure in a population of an endangered lamprey, Lethenteron sp. N, in an urbanized area of Japan

For conservation of a lamprey population in an urbanized area, basic properties including taxonomic attribution, habitat characteristics and spatial distribution were investigated. Sequencing analysis of mitochondrial genes suggested that the population belongs to Lethenteron sp. N. The abundance an...

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Bibliographic Details
Published in:Ichthyological research 2020-11, Vol.67 (4), p.545-551
Main Authors: Hirano, Yuna, Kidera, Noriko, Kondo, Natsuko I., Nishihiro, Jun
Format: Article
Language:English
Subjects:
Animal Systematics/Taxonomy/Biogeography
Biomedical and Life Sciences
Ecology
Freshwater & Marine Ecology
Genes
Geographical distribution
Habitat selection
Habitats
Lethenteron
Life Sciences
Mitochondria
Population
Sequence analysis
Short Report
Size distribution
Spatial distribution
Spawning
Spring water
Zoology
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Summary:For conservation of a lamprey population in an urbanized area, basic properties including taxonomic attribution, habitat characteristics and spatial distribution were investigated. Sequencing analysis of mitochondrial genes suggested that the population belongs to Lethenteron sp. N. The abundance and size distribution of the population varied temporally and spatially. Spawning activity was observed only in the uppermost reach. Although a drop structure at the downstream may prevent the movement of individuals, the presence of many sources of spring water and sandy substrate in the study stream suggested that the local condition of habitat was suitable for this species.
ISSN:1341-8998
1616-3915
DOI:10.1007/s10228-020-00747-5