The classification of pollen grains using texture information in combination with shape features is presented in this paper. The surface texture of pollen is characterised by using Gabor transforms, the geometric shape is described by using moment invariants, and the pollen grains are classified by an artificial neural network. In an experiment with five types of pollen grains, more than 97% of samples are correctly classified...

A new reovirus was recently isolated from a freshwater crab, the Chinese mitten crab, Eriocheir sinensis , in China. The complete viral particles are 55 nm in diameter, icosahedral, non‐enveloped and have a mean buoyant density of 1.39 g cm −3 in CsCl gradient. The viral genome is composed of 12 pieces of dsRNA with an electrophoretic pattern of 3/4/2/3. This virus infects connective tissue of the gills, gut and hepatopancreas...