9 10 Received: 20 March 2006 / Accepted: 21 February 2007 11 The Ecological Society of Japan 2007 23456 17 18 Abstract Habitat size, habitat isolation and habitat 19 quality are regarded as the main determinants of but20 terfly occurrence in fragmented landscapes. To analyze 21 the relationship between the occurrence of the butterfly 22 Cupido minimus and these factors, patch occupancy of 23 th...

Despite their promise for simulating natural complexity, individual-based models (IBMs) are rarely used for ecological research or resource management. Few IBMs have been shown to reproduce realistic patterns of behavior by individual organisms. To test our IBM of stream salmonids and draw conclusions about foraging theory, we analyzed the IBM’s ability to reproduce six patterns of habitat sele...

primary man in trying to find food went everywhere. but by forming ranching arranged a chain of places and became emigrant. by happening industrial revolution, human life was centralized on one place.  places that base on its advantages make different biologic and behavioral types. forming cities in seaboard, river shore, boundary of mountains and champaign cause to make different cultures that...

ovis orientalis isphahanica has a restricted geographical range and is listed as vulnerable by iucn. however, there is not enough data on habitat associations of this taxon to be used as a base for conservation programmes. use of vegetation communities by isfahan mouflon in mouteh wildlife refuge was studied over a one-year period. habitat use was related to vegetation communities and habitat v...

Dapsone first came into medicine as an antibacterial agent but was found to be less effective than other sulfonamides. Likewise its activity against tuberculosis was disappointing. Nevertheless, it has been the main stay in the treatment of leprosy. It also has some action against malaria and other parasites. Nowadays, after leprosy, dapsone has proved as a valuable drug in the treatment of a w...