Effects of temperature on oocyte growth in the Mediterranean terebellid Eupolymnia nuebulosa (Annelida: Polychaeta) SCIE SCOPUS

Cited 7 time in WEB OF SCIENCE Cited 6 time in Scopus
Title
Effects of temperature on oocyte growth in the Mediterranean terebellid Eupolymnia nuebulosa (Annelida: Polychaeta)
Author(s)
Cha, JH; Martin, D; Bhaud, M
Publication Year
1997-06
Abstract
Eupolymnia nebulosa (Montagu) is a widely distributed terebellid polychaete that builds its tubes on the coastal shelf in areas with mixed soft and hard bottoms. From a long-term survey in the Bay of Banyuls, France (NW Mediterranean), we found an advancement of the timing of the spawning period coincident with a delayed breakdown of the thermocline. We postulate that persistent high temperatures can influence gamete development by stimulating oocyte growth, resulting in earlier spawning. During 1992 and 1993, we used a between-individuals experimental approach to assess the possible effect of temperature on oocyte growth based on: (1) determination of the growing fraction of the oocyte population (i.e. oocyte net growth); (2) identification of differences in oocyte growth-rate among females; (3) comparison of non-significantly different size-distributions of the growing oocyte fraction (net oocyte size-distributions) at the beginning of the experiments with those at the end. No effect of temperature on oocyte growth was detectable at the population level, but a positive individual response to prolonged high temperature was evident. Thus, the lack of a significant response by the population to prolonged high temperature does not imply a lack of individual response. We propose a model of oocyte-growth dynamics based on temperature that incorporates previous observations of extended oogenesis and oocyte growth during periods of both increasing and decreasing temperature and on the scattered pattern of oocyte size-distributions at the onset of spawning.
ISSN
0025-3162
URI
https://sciwatch.kiost.ac.kr/handle/2020.kiost/6372
DOI
10.1007/s002270050109
Bibliographic Citation
MARINE BIOLOGY, v.128, no.3, pp.433 - 439, 1997
Publisher
SPRINGER VERLAG
Subject
REPRODUCTION; CYCLE
Type
Article
Language
English
Document Type
Article
Publisher
SPRINGER VERLAG
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