The microbiological quality of forest surface waters in the Greenwater River watershed was examined to investigate the influence of heavy motorized camping in an area with no sanitary facilities. Indicator densities increased during weekend human-use periods when compared to weekdays. Increases in indicator densities were also noted downstream from heavily used camping areas when compared to up...

sufficiently large that submarkets are apparent. Eagles (1995a) suggests, using a motive-based methodology for segmentation, that the nature-tourism market contains at least four recognizable niche markets: ecotourism, wilderness use, adventure travel, and car camping. Ecotourism involves travel for the discovery of and learning about wild, natural environments. Wilderness travel involves perso...

OBJECTIVE To describe an outbreak of Plasmodium vivax malaria in Far North Queensland in 2002. DESIGN Epidemiological and entomological investigations; molecular analyses of the infecting parasites. MAIN OUTCOME MEASURES Case characteristics, adult and larval mosquito counts at the outbreak location, haplotyping of parasites in blood samples from different cases determined through sequencin...

During intrinsically asymmetric division, the spindle is oriented onto a polarized axis specified by a group of conserved PAR proteins. Extrinsic geometric asymmetry generated by cell shape also affects spindle orientation in some systems, but how intrinsic and extrinsic mechanisms coexist without interfering with each other is unknown. In some asymmetrically dividing cells of the wild-type Cae...