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Reproductive biology and steroidal levels in black corals, antipathes curvata in Hong Kong.

Lau, Pui Ling. / Thesis (M.Phil.)--Chinese University of Hong Kong, 2011. / Includes bibliographical references (leaves 84-94). / Abstracts in English and Chinese. / Abstract (English) --- p.i / Abstract (Chinese) --- p.v / Acknowledgements --- p.ix / Contents --- p.x / List of Figures --- p.xiv / Chapter Chapter 1 --- General Introduction / Chapter 1.1 --- Regulations of gametogenesis and mass spawning in corals --- p.1 / Chapter 1.1.1 --- Endogenous cues --- p.2 / Chapter 1.1.2 --- Environmental cues --- p.3 / Chapter 1.2 --- Studies on black corals --- p.5 / Chapter 1.2.1 --- Introduction of black corals --- p.5 / Chapter 1.2.2 --- Black corals harvesting --- p.6 / Chapter 1.2.3 --- Biodiversity and distribution of black corals in Chinese and Hong Kong waters --- p.8 / Chapter 1.2.4 --- Threats to black corals --- p.9 / Chapter 1.3 --- Significance and objectives of the present study --- p.11 / Chapter 1.3.1 --- Objectives --- p.12 / Chapter 1.3.2 --- "The targeted species, Antipathes curvata and the study site" --- p.13 / Chapter 1.4 --- Thesis outline --- p.14 / Chapter Chapter 2 --- "Reproductive Biology of Antipatharian Black Coral, Antipathes curvata in Lan Giio Shui, Hong Kong" / Chapter 2.1 --- Introduction --- p.18 / Chapter 2.1.1 --- Coral Reproduction --- p.20 / Chapter 2.1.2 --- Sexual reproduction in black corals --- p.21 / Chapter 2.2 --- Materials and methods --- p.24 / Chapter 2.2.1 --- Sample collections and pre-treatment --- p.24 / Chapter 2.2.2 --- Histological processing --- p.25 / Chapter 2.2.3 --- Light microscopy --- p.26 / Chapter 2.2.4 --- Gametogenesis --- p.27 / Chapter 2.2.5 --- Environmental and statistical analysis --- p.27 / Chapter 2.3 --- Results --- p.28 / Chapter 2.3.1 --- General reproductive mode --- p.28 / Chapter 2.3.2 --- "Sex ratio, size at sexual maturity and density of gamete" --- p.28 / Chapter 2.3.3 --- Characteristics of polyps and gametes of A. curvata --- p.29 / Chapter 2.3.4 --- Changes in geometric diameter of gametes overtime --- p.30 / Chapter 2.3.5 --- Developmental stages of gametogenesis --- p.31 / Chapter 2.3.5.1 --- Oogenesis --- p.31 / Chapter 2.3.5.2 --- Spermatogenesis --- p.32 / Chapter 2.3.6 --- Development of oocytes and spermaries over time --- p.34 / Chapter 2.3.7 --- Correlation of black coral reproduction with seawater temperature --- p.35 / Chapter 2.3.8 --- Gametogenesis in individual colonies --- p.36 / Chapter 2.3.8.1 --- Female colonies --- p.37 / Chapter 2.3.8.2 --- Male colonies --- p.39 / Chapter 2.4 --- Discussion --- p.40 / Chapter 2.4.1 --- Asynchronization of gametogenic cycle --- p.40 / Chapter 2.4.2 --- Possible effect of seawater temperature on reproduction of A. curvata --- p.43 / Chapter Chapter 3 --- Detection of the Sex Steroid 17β-estradiol and its Possible Roles on Gametogenesis in Black Corals Antipathes curvata from Hong Kong / Chapter 3.1 --- Introduction --- p.55 / Chapter 3.1.1 --- "Roles of sex hormone, 17(3-estradiol (E2) in the reproduction of vertebrates" --- p.58 / Chapter 3.1.2 --- Roles of vertebrate-type sex steroids in Cnidaria --- p.59 / Chapter 3.2 --- Materials and methods --- p.63 / Chapter 3.2.1 --- Study site --- p.63 / Chapter 3.2.2 --- 17β-estradiol (E2) extraction --- p.63 / Chapter 3.2.3 --- 17β-estradiol (E2) assay --- p.65 / Chapter 3.2.4 --- Calculation and assay validation --- p.65 / Chapter 3.2.5 --- Gametogenesis of A. curvata --- p.66 / Chapter 3.2.6 --- Seawater temperature and statistical analysis --- p.67 / Chapter 3.3 --- Results --- p.67 / Chapter 3.3.1 --- Seasonal profile of E2 --- p.67 / Chapter 3.3.2 --- Gametogenesis --- p.68 / Chapter 3.3.3 --- Correlation with seawater temperature --- p.69 / Chapter 3.4 --- Discussion --- p.70 / Chapter Chapter 4 --- Summary and Perspectives --- p.78 / References --- p.84

Identiferoai:union.ndltd.org:cuhk.edu.hk/oai:cuhk-dr:cuhk_327389
Date January 2011
ContributorsLau, Pui Ling., Chinese University of Hong Kong Graduate School. Division of Life Sciences.
Source SetsThe Chinese University of Hong Kong
LanguageEnglish, Chinese
Detected LanguageEnglish
TypeText, bibliography
Formatprint, xvi, 94 leaves : ill. (some col.) ; 30 cm.
CoverageChina, Hong Kong
RightsUse of this resource is governed by the terms and conditions of the Creative Commons “Attribution-NonCommercial-NoDerivatives 4.0 International” License (http://creativecommons.org/licenses/by-nc-nd/4.0/)

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