Feeding Behavior of Juvenile and Adult Marine Planktonic Copepods: Cyclopoida and Calanoida

幼年和成年海洋浮游桡足类的摄食行为：Cyclopoida 和 Calanoida

• 批准号: 8723174
• 负责人: Gustav-Adolf Paffenhofer
• 金额: $ 21万
• 依托单位: Skidaway Institute of Oceanography
• 依托单位国家: 美国
• 项目类别: Continuing Grant
• 财政年份: 1988
• 资助国家: 美国
• 起止时间: 1988-04-15 至 1990-09-30
• 项目状态: 已结题
• 来源: https://www.nsf.gov/awardsearch/showAward?AWD_ID=8723174&HistoricalAwards=false
• 关键词: Feeding; Behavior; Juvenile; Adult; Marine

The morphology of the mouth parts of cyclopoid and calanoid copepods suggests great differences in feeding behavior between and among adults of these two orders. Differences should also be expected in their early stages because of basic differences in musculature in their respective nauplii, and they begin to feed at different stages. However, information as to how representatives of both groups obtain their food is limited, especially for marine cyclopoids. Feeding rate studies on two genera of cyclopoids (Oithonidae and Oncaeidae) emphasize that they are omnivorous/carnivorous. Feeding behavior of nauplii, juveniles and adult females of these two genera will be determined. Basic observations will include describing modes of particle gathering, capture and ingestion, distances from which food particles are perceived and swimming/moving behavior between captures. For comparison purposes, the same observations will be made on two species of calanoids (Centropages and Temora). The former creates weak feeding currents and is more carnivorous than herbivorous as adults. The latter creates stronger feeding currents and is more of a herbivore than a carnivore.

剑水蚤和哲水蚤口部的形态 桡足类动物的摄食行为存在很大差异， 在这两个订单的成年人中。 差异也应该 由于基本的差异， 在肌肉组织中，它们开始 在不同的阶段进食。然而，关于如何 两个群体的代表获得的食物都是有限的， 特别是对于海洋剑水蚤。两种动物的摄食率研究 剑水蚤属（Oithonidae和Oncaeidae）强调， 它们是杂食性/食肉性的。 无节幼体的摄食行为， 这两个属的青少年和成年女性将 测定 基本观察将包括描述模式 颗粒的收集、捕获和摄入， 哪些食物颗粒被感知和游泳/移动行为 捕捉之间。 出于比较的目的，相同的 对两种哲水蚤进行了观察 （Centropages和Temora）。 前者造成弱食 流和更肉食性比草食性作为成年人。 后者产生更强的馈电电流， 食草动物多于食肉动物