There is about a seven-day interval between springs and neaps.
Phase and amplitude M 2 tidal constituent.
China's amphibian fauna includes an important element of widespread, generally non-threatened species though 27.
The is an endemic population whose habitat is now confined to the mountain regions of , , and.
Cetacean Research Institute of.
Cooler climate in northern China may have caused rhinoceros habitat to shrink, but it was demand for rhino horns for use in traditional Chinese medicine, documented in as early as the 1,000 years ago, that drove the animal toward extinction.