The Geographical Distribution of Auroræ

The geographical distribution of cancer.

STUDY of the geographical distribution of cancer has long been recognized to be one way of obtaining clues to its causation, and a great deal of work has been carried out to determine the incidence of different types of cancer in different parts of the world. Detailed incidence rates have been obtained for more than fifty populations, either by national or regional cancer registries or by speci...

The Geographical Distribution of Animals

EVERY one whose life has not been wholly spent within city walls must ha.ve observed that animal life varies greatly in the districts with which he is familiar. Different species are not found uniformly scattered over the surface of the country, but in different localities with similar features. Every country boy knows 'Postlethwaite Oaks' is the only place for miles round where he has a chance...

Identification and Determination of the Geographical Distribution of Freshwater Snails in Lorestan, Iran

Snails are creatures present in various ecosystems that, in addition to being present in human surroundings, some of them are also important in veterinary medicine and medicine as the intermediate hosts of Digenean trematodes. The present study was conducted to identify and determine the geographical distribution of freshwater snails and investigate the relationship of variables, such as season...

Biodiversity and Geographical Distribution of the Ticks in Ahvaz, Southwest of Iran, 2018

Introduction and purpose: Ticks as biological vectors and reservoirs of diseases, such as Crimean-Congo hemorrhagic fever (CCHF), have an important role in the transmission of pathogens to humans and animals. In this regard, this study aimed to determine the biodiversity indices, distribution, and fauna of the vectors of CCHF in Ahvaz, Iran. Methods: The tick samples were collected and identif...

Patterns of Geographical Distribution: Animals