Depth and particle size were primary and secondary environment variables that influence the community structure of brachyuran crabs in the present geographic region.
The Coal Filed EIMS utilizes EGIS technology to manage spatial geographic information and environmental morning data of Coal Fieldredicts states of coal field environ...
The principle holding that in a warm-blooded, polytypic, wide-ranging animal species, the body size of the members of each geographic group varies with the average environmental temperature.
The gen etic variation of individuals from the same geographic populations wa s smaller than that of individuals from different geographic populati ons within the same voltinism groups.