【摘要】 夜光虫和砂壳纤毛虫在海州湾的４个季度中均有出现，其中夜光虫以１１月和８月的分布面最广，密集度也高，尤以１１月最盎，平均６０６２个／ｍ３，最高测站为２８４０４个／ｍ３，８月次之，平均为１７２５个／ｍ３，５月和２月较少，各为２３３个／ｍ３和２０５个／ｍ３，密集区一般在１１９°９０′—１１９°４５′Ｅ，３４°３５′—３４°４０′Ｎ．砂壳纤毛虫出现的种类和数量的多寡与水湿关系密切，８月平均数量为２１００个／ｍ３，５月次之，平均为９５０个／ｍ３，２月为１５个／ｍ３，１１月为６１０个／ｍ３．更多还原

【Abstract】 Noctiluca scientillans and Tintinnoinea are appeared at all four seasons in the Hat Zhou Gulf. The distribution of Noctiluca scientillans is widely in November and August.And the highest density and abundance are found in November with highest 28 404 individuals/m3. With average 6 062 individuals/m3, August average 1 725 individuals/m3. The lowest are bound in May and February, with 233 individuals/m3 and 205 individuals/m3 respectively. The density area is bound at 119°20′- 119°45′E, 34°35′-34°40′N. The species and Number of Tintinnoinea are closely related to water temperature.更多还原