We observed diel vertical migration patterns in juvenile pink salmon (Oncorhynchus gorbuscha (Walbaum, 1792)) and tested the hypothesis that fish behaviour is altered by exposure to sea lice copepodids. Experiments involved replicated field deployments of a large (9 m) plankton column, which provided a vertical distribution enclosure under natural light and salinity conditions. Diel vertical di...

Sir—Drawing ability could be disrupted by many neurological disorders, of which graphic neglect after unilateral brain damage (generally of right parietal cortex) is most frequent. In this disorder, patients draw preferentially on the right side of the paper, omit and deform objects on the left side, but judge their drawings to be complete. Graphic neglect can become especially evident in the w...

Sir—Drawing ability could be disrupted by many neurological disorders, of which graphic neglect after unilateral brain damage (generally of right parietal cortex) is most frequent. In this disorder, patients draw preferentially on the right side of the paper, omit and deform objects on the left side, but judge their drawings to be complete. Graphic neglect can become especially evident in the w...

cultivar of roses (rosa spp.) has been grown in greenhouses in qazvin region of iran for local markets. agrobacterium tumefaciens strains were isolated and identified from six different samples of roses plants imported from the netherland to iran. during august and september of 2012, nearly 2-5% of rose plants in two different greenhouses in the province of qazvin were observed with crown gall ...

Variation in pollen sterility in the same individual in one season.. . . . . . . . . . . . . . . . . . . . . . Variation in pollen sterility in the sa Ovule sterility.. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . GENERAL DISCUSSION. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . CONCLUSION. . ...

DNA fingerprint analysis of genetic relatedness between rose genotypes, using humanderived minisatellite probes, correctly reflected relationships within and between categories of rose plants. Nearly identical DNA fingerprint patterns were observed for cultivars 'Dick Koster' and its two sports. A high level of similarity was detected between genotypes of the hybrid tea category while a low lev...