@article{oai:nagasaki-u.repo.nii.ac.jp:00016804,
 author = {松岡, 數充 and 竹内, 照文},
 journal = {化石, Fossils},
 month = {Dec},
 note = {1)和歌山県田辺湾ではAlexandrium catenellaは1983年6月から1984年6月までの1年間に最大見積で1.15×10^6cells/(cm)^2・1350cm, 最小見積で6.6×(10)^5/cm^2・1350cm・yearの栄養細胞が生産されたと推定できる.これらの生産量のうち1984年4月18日から 6月19日まで継続したブルームで形成された栄養細胞が1年間に出現した栄養細胞の70%以上を占める.すなわち年間に生産される栄養細胞の大部分がブ ルーム期間に形成される.2)同じ1年間にA.catenellaの運動性接合子は2.8?3.5×(10)^4 planozygotes/(cm)^2・1350cm出現した.運動性接合子形成率は6?8.5%で, 形成される時期は栄養細胞のブルームの後期に集中した.3)同じ1年間にA.catenellaは5.7×(10)^3cysts/(cm)^2のシスト を形成し, その時期は栄養細胞の赤潮状態の時期と重複した.シスト形成率は1.2?2.1%であった., The relationship between the numbers of vegetative cells, planozygotes, and hypnozygotes (resting cysts) of dinoflagellates was determined in a one-year-field survey of Alexandrium catenella (Whedon et Kofoid) Balech during June 1983 to June 1984 for a 1, 350cm water column in Tanabe Bay, central Japan. The cell numbers of both normal vegetative cells and planozygotes produced during that period were calculated on the basis of cell counts taken at three levels of the water column from water samples. The number of cysts produced during the same period was estimated from cysts collected in a sediment trap at the same station. The results are as follows; 1) The number of normal vegetative cells was 1.15×(10)^6 to 6.6×(10)^5 cells/(cm)^2/1, 350cm/year. That of planozygotes in the water column was 2.8-3.5×(10)^4 cells/(cm)^2/1, 350cm/year. For the resting cyst, a total of 5.7×(10)^3 cysts/(cm)^2 was produced within the same period. 2) Based on these data, the index of cyst formation [C/I=2Nc/(N+2Nc)×100(%)] is 1.2 to 2.1%. 3) Most of the vegetative cells and planozygotes were produced from May 19 to 25 in 1984 during a large bloom. In other seasons these cells appeared in a very low number. The temporal distribution of the cysts showed the same pattern of the vegetative cells., 化石 = Fossils, vol. 59, pp. 32-46 ; 1995},
 pages = {32--46},
 title = {野外観察結果に基づく Alexandrium catenella (Whedon et Kofoid) Balech の栄養細胞, 運動性接合子と休眠性接合子の生産量},
 volume = {59},
 year = {1995}
}