Reproductive Biology of Pseudodiaptomus marinus (Copepoda : Calanoida) in the Inland Sea of Japan
日本プランクトン学会報 Volume 29 Issue 1
Page 25-35
published_at 1982-06
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| File | |
| Title ( eng ) |
Reproductive Biology of Pseudodiaptomus marinus (Copepoda : Calanoida) in the Inland Sea of Japan
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| Title ( jpn ) |
瀬戸内海におけるPseudodiaptomus marinus(橈脚亜綱: カラヌス目)の繁殖生態
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| Creator |
Iwai Yuzuru
Kasahara Shogoro
|
| Source Title |
日本プランクトン学会報
|
| Volume | 29 |
| Issue | 1 |
| Start Page | 25 |
| End Page | 35 |
| Abstract |
The rates of daily egg production were estimated for the egg sac-carrying calanoid copepod Pseudodiaptomus marinus SATO by an integration of data from field and laboratory investigations. The brood size was positively related to the body size of adult females which was in turn negatively related to the environmental temperature. The development time of embryos (D in days) was a function of temperature (T in °C) as expressed by the equation: D=448 (T - 1.0)^<-1.80>. Under excess food conditions, the duration from the hatching of brood to the production of the successive one was generally short and constant (0.14 d) at different temperatures. Assuming sufficient food supply and continuous breeding, the daily reproductive rates of the natural population of P. marinus were high from May to October but much lower from January to March. The ratios of daily egg production: female body weight increased linearly with temperature.
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| NDC |
Zoology [ 480 ]
|
| Language |
eng
|
| Resource Type | journal article |
| Publisher |
日本プランクトン学会
農林水産研究情報センター
|
| Date of Issued | 1982-06 |
| Rights |
Copyright (c) 1982 The Plankton Society of Japan
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| Publish Type | Version of Record |
| Access Rights | open access |
| Source Identifier |
[ISSN] 0387-8961
[NCID] AN00197015
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