Background.Roach, Rutilus rutilus, comprise a large proportion of the total catch in the Szczecin Lagoon, and are caught mainly as bycatch in gillnets targeting perch, Perca fluviatilis.The minimum landing length for roach and perch is 17 cm TL and the minimum mesh size is 30 mm bar length.However, little is known about the selectivity of roach, wh
The brown bear (Ursus arctos) hibernates for 5 to 6 months each winter and during this time ingests no food or water and remains anuric and inactive.Despite these extreme conditions, bears do not develop azotemia and preserve their muscle and bone strength.To date most renal studies have been limited to small wahl power grip clippers numbers of bea
The complexity of researching traffic under extraordinaryconditions in order to implement a more efficient and functionaltraffic management strategy under both normal and irregularconditions- as well as the grey zone of when the changefrom normal into extraordinary traffic conditions actually occur-provides the researcher with numerous methodologic
Horse and buggy transportation is spreading as rapidly as its Amish and Old Order Mennonite users are, as are buggy crashes with motor vehicles.This study examines the primary causes of 76 reported horse and buggy crashes in Pennsylvania in oas ba?adores 2006.The main crash types identified include a motorist rear-ending a forward-moving buggy, a m