Live fish recognition is one of the most crucial elements of fisheries survey applications where the vast amount of data is quickly acquired. Different from general scenarios, challenges to underwater image recognition are posted by poor image quality, uncontrolled objects and environment, and difficulty in acquiring representative samples. In addition, most existing feature extraction techniqu...

This paper presents a fish inventory of the Jordanian Gulf of Aqaba. Fish sampling was conducted by means of different fishing gears, monitoring of local fish market and visual census technique. A total of 507 fish species belonging to 109 families with an average of 4.7 species per family; 18 Chondrichthyes and 489 Ostichthyes. The largest families are as follows (number of species in parenthe...

■ Abstract Bees are generally regarded as beneficial insects for their role in pollination, and in the case of the honeybee Apis mellifera, for production of honey. As a result several bee species have been introduced to countries far beyond their home range, including A. mellifera, bumblebees (Bombus sp.), the alfalfa leafcutter bee Megachile rotundata, and various other solitary species. Poss...

Now is an opportune moment to address the confluence of cell biological form and function that is the nucleus. Its arrival is especially timely because the recognition that the nucleus is extremely dynamic has now been solidly established as a paradigm shift over the past two decades, and also because we now see on the horizon numerous ways in which organization itself, including gene location ...