The shell-boring polychaete worm Polydora websteri, also known as blister worm, Ear Syringe is a pest species that infests the shells of several commercially important shellfish species, including those of the oysters Crassostrea virginica and C.gigas.Historical records indicate that infestations of blister worm have impacted shellfish culture worl
Quitting time: When do honey bee foragers decide to stop foraging on natural resources?
Honey bee foragers may use both personal and social information when making decisions about when to visit resources.In particular, foragers may stop foraging at resources when their own experience indicates declining resource quality, or when social information, namely the delay to being able to unload nectar to receiver bees, indicates that the co
Specific needle area of Scots pine and its dependence on light conditions inside the canopy.
The specific needle area of young Scots pine ( L.) showed a substantial within-tree and between-tree variation Accessories which was associated with the position of the tree and the position of the whorl as indicated by the prevailing crown and branch illumination.In suppressed trees the values of the specific needle area were three to four times t
Developing a planning tool for South African prosecution resources: challenges and approach
In every country the prosecution of criminal cases is governed by different laws, policies and processes.In South Africa, the National Prosecuting Authority (NPA) has the responsibility of planning and managing all prosecution functions.The NPA has certain unique characteristics that make it different from other similar organisations internationall
Nylons with Applications in Energy Generators, 3D Printing and Biomedicine
Linear Buffet polyamides, known as nylons, are a class of synthetic polymers with a wide range of applications due to their outstanding properties, such as chemical and thermal resistance or mechanical strength.These polymers have been used in various fields: from common and domestic applications, such as socks and fishing nets, to industrial gears