@article{oai:soar-ir.repo.nii.ac.jp:00010380,
 author = {Siddiquee,  Salah Uddin and Nakamura,  Hiroshi},
 issue = {4},
 journal = {環動昆},
 month = {Dec},
 note = {長野県にある信州大学農学部構内の森林内とその近くの野菜畑において, 除去法を用いた地表徘徊性ゴミムシ類成虫の個体数推定を行った. プラスチック製の境界で区切られた40m²の区画に, 乳酸飲料を入れた15個のプラスチック・トラップをセットし, 10日間毎日ゴミムシを回収した. 調査は森林では2002年の9月末, 野菜畑では2003年の10月初めに行われた. 森林での優占3種はSynuchus cycloderus, Pteroslichus subovatus, Synuchus nitidusで, 野菜畑ではHarpalus griseus, Harpalus sinicus, Amara simplicidensであった. 全ゴミムシ類と優占3種の個体数およびm²当たりの密度は, いくつかある除去法の中で回帰法と最尤法を用いて行われた. 森林内では合計250個体のゴミムシ類が捕獲され, 回帰法による推定値は254個体であった. また野菜畑では176個体の採集で, 推定値は180個体であった. 最尤法による推定値は回帰法とほぼ同じ値で, 10回の実際の採集個体数と推定値がほぼ等しかった. またある時点の捕獲個体数とその時点までの累積捕獲個体数の相関係数は-0.9以下であり, 推定精度も0.12以下の値であった. ゴミムシ類の個体数推定に応用する上での除去法の前提条件や捕獲回数と推定精度の関係が議論された., Adult population sizes of ground beetles (Carabidae) in a forest and vegetable field in Nagano Prefecture, Japan were estimated using the removal method. Removal collections using 15 pitfall traps with a lactic acid beverage were conducted at 40-m² survey sites enclosed by a thick plastic sheet for 10 days in September 2002 in the forest site and October 2003 in the field site. Dominant species were Synuchus cycloderus, Pterostichus subovatus and S. nitidus in the forest, and Harpalus griseus, H. sinicus and Amara simplicidens in the field. Population sizes within the 40-m² sizes and the density(/m²) of total carabid beetles and dominant species were estimated by the regression and maximum likelihood methods. A total of 250 and 176 carabid beetles were caught in the forest and field sites, and estimates by the regression method were 254 and 180 individuals, respectively. Estimates of dominant species and total carabid beetles by the maximum likelihood method were almost equal to those obtained by the regression method. The observed numbers caught from 10 trappings were almost the same as the estimated values. The correlation coefficients between the number of individuals captured during the ith trapping and the total number captured prior to the ith trapping were less than -0.9, and the precision level of the estimations was less than0.12. The prerequisite for the removal method and appropriate number of trappings required for estimating carabid population size were discussed in relation to the precision level of the estimations., Article, 環動昆 15(4): 239-249 (2004)},
 pages = {239--249},
 title = {Estimating the adult population size of ground beetles (Carabidae) using the removal method},
 volume = {15},
 year = {2004}
}