Biology of Horseshoe Crabs Tachypleus tridentatus [Chinese]

About this book

Language: Chinese with English table of contents

China is one of the world's few countries to have horseshoe crab resources. With 95 percent of the world's horseshoe crabs found there, it is safe to that this is the horseshoe crab's home. Today, due to rapid economic development of the marine environment, beach contamination, coupled with great economic value of the horseshoe crab, and indiscriminate fishing, has caused a dramatic decrease in horseshoe crab resources in the world, which has attracted the attention of governments around the world

The collapse of horseshoe crab populations is shocking. In the last century, from the 70s to the 90s, in the city of Guangxi, annual horseshoe crab catches have dropped dramatically. If this rate of decay is not stopped, China will become a country free of horseshoe crabs in a few more years, and the horseshoe crab will probably only exist as a scientific name in textbooks.

The author of Biology of Horseshoe Crabs Tachypleus tridentatus, under the tutelage of Xiamen University Professor Wang Deyaom has years of experience in horseshoe crab research, and is well aware of the importance of horseshoe crabs; Here he summarizes years of research, and provides reference material to further deepen future work by Chinese horseshoe crab researchers.

Summary in Chinese:
是一种具有重要科学研究意义和经济价值的海洋动物，也是地球上动物界少数现存珍贵的“活化石”。我国是世界上少数拥有鲎资源的国家，世界上95％的中国鲎资源分布在我国，可以说，我国是中国鲎真正的故乡。我国的鲎研究一直得到国家有关部门的重视。
当今，由于经济迅速发展，海洋环境、沙滩受到污染，加上由于鲎的极大的经济价值，造成对鲎的乱捕滥杀，世界上鲎资源急剧衰竭，这已引起了世界各国政府的 重视。我国鲎资源的衰竭更是触目惊心。在上世纪70—90年代，在我国广西北海海城，每年鲎的渔获量可达60×10（4）～70 x 10（4）对，到近年已减少至30×10（4）对。如果这样衰减的速度得不到遏制，再过数年，我国将成为无鲎的国家，中国鲎或许将只能是存在于教科书上的 学名了。
本书作者自师从原厦门大学校长汪德耀教授从事鲎研究至今已逾30余载，深知鲎的重要性；感到有责任将多年来的研究工作总结整理成册， 以为我国鲎研究人员提供一点借鉴，以便后来者进一步加深中国鲎的研究，使我国在世界鲎研究领域中占有举足轻重的一席之地。这是本书作者的初衷和愿望。

Contents

MORPHOLOGY AND ECOLOGY OF HORSESHOE CRABS

INTRODUCTION
Origin of horseshoe crabs
History of horseshoe crab research
Economic value and scientific significance of horesehoe crab research

EXTERNAL MORPHOLOGY
Morphological features
Classification of external morphology
Appendages

INTERNAL STRUCTURE OF HORESEHOE CRABS
Digestive system
Excretory system
Circulatory system
Nervous system
Optical system
Reproductive system

ECOLOGY OF HORESEHOE CRABS
Classification and distribution
Living habits of horseshoe crabs
Effects of environmental factors on development and growth

DEVELOPMENTAL BIOLOGY

GERM CELLS AND THEIR GENESIS
Germ cells
Genesis of germ cells

EMBRYO DEVELOPMENT
Fertilization
Embryonic
Development

CONSERVATION OF HORSES CRABS RESOURCES

CONSERVATION OF TACHYPLEUS TRIDENTATUS
Current situation of horseshoe crab reseources and protection strategies
Conservation of horseshoe crabs in Fujian Province
Conservation of horseshoe crabs in Guangxi Province
Conservation of horseshoe crabs in Guangdong Province
Conservation of horseshoe crabs in Taiwan
Conservation of horseshoe crabs Hong Kong
Conservation of horseshoe crabs in other countries

ARTIFICAL BREEDING AND RELEASING OF JUVENILES BACK TO THE OCEAN
Technology of artifical breeding
Releasing of juvenile horseshoe crabs back to the ocean

EXPLOITATION AND UTILIZATION

RESEARCH AND APPLICATION OF HEMOTOLOGY
Hemolymph
Hemotogenesis
Native immune system of hemolymph
Research and application of techypleus amebocyte lysate, TAL
Toxicity of horseshoe crabs

RESEARCH AND APPLICATION OF BODY AND SHELL OF HORSESHOE CRABS
Medicine values of body of horseshoe crabs
Research and application of chitin
Research and application of chitosan

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