@article{oai:u-ryukyu.repo.nii.ac.jp:02015529,
 author = {外間, 数男 and 村上, 昭人 and Hokama, Kazuo and Murakami,Akito},
 issue = {2},
 journal = {沖縄農業},
 month = {Jun},
 note = {This report dealt with the seasonal prevalence of the number of Chinese bulbul and damage due to its. The observation were made during 1998-2000, in the area of 17 locations along of the Okinawa island. Numbers of Chinese bulbul were abundant in the southern parts of Okinawa islands, and their number were abundant in the non-breeding season (winter) than the breeding-season (spring-autumn). The crows of Chinese bulbul were observed in the vegetable fields at winter season. Serious damage of the field's crops are coused by Chinese bulbul in winter. The vegetable fields are their important feeding places in winter., 論文},
 pages = {34--39},
 title = {シロガシラによる露地野菜の被害と防止対策　３．シロガシラ個体数の変動と加害の消長},
 volume = {34},
 year = {2000}
}