@article{oai:repository.dl.itc.u-tokyo.ac.jp:00048903,
 author = {Aoyama, Jun},
 issue = {1},
 journal = {Coastal marine science},
 month = {},
 pages = {1--6},
 title = {Natural spawning of chum salmon Oncorhynchus keta within a hatchery stock enhancement program : a case in the Otsuchi River at the Sanriku coast},
 volume = {40},
 year = {2017}
}