BACKGROUND Existing literature showed improved swimming performances for swimmers wearing wetsuits competing under standardized conditions in races held in pools on short to middle distances. Data about the influence of wetsuits on swimming performances in long and ultra-long open-water swimming races are missing. It is unknown whether the benefit of wearing wetsuits is comparable in men and wo...

Air deposition is a dominant transport mechanism for many hydrophobic organic pollutants (HOCs) to the Great Lakes. Our previous research has shown that soot exhibits large surface areas with high organic carbon contents suggesting the potential for strong HOC partitioning. As yet, however, clear data showing the link between HOCs such as PAHs to the deposition of soot into the Lakes (a propose...

Scott R. Abella* and John F. Jaeger Metroparks of the Toledo Area 5100 W. Central Ave. Toledo, OH 43615 ECOLOGY OF EASTERN PRICKLY PEAR CACTUS (OPUNTIA HUMIFUSA) IN OAK OPENINGS PRESERVE, NORTHWESTERN omo 2004 Opuntia humifusa (Raf.) Raf. (eastern prickly pear cactus) has a patchy but wide distribution in the eastern United States and southeastern Canada, ranging from Massachusetts through Wisc...

Rainbow smelt (Osmerus mordax) have invaded many North American lakes, often resulting in the extirpation of native fish populations. Yet, their invasion is incipient and provides the rationale for identifying ecosystems likely to be invaded and where management and prevention efforts should be focused. To predict smelt presence and absence, we constructed a classification-tree model based on h...

The 4th annual Ontario Thoracic Cancer Conference at Niagara-on-the-lake focused on the themes of innovations in the management of lung cancer, controversies in the management of esophageal cancer, and molecular targeted therapies in lung cancer. This conference summary highlights the presentations and provides clinicians with a referenced update on these topics.

The Effects of Lake Breezes On Weather (ELBOW) 2001 was conducted in southwestern Ontario during June to August of 2001. Its purpose was to study the role of lake breezes in triggering convection and, in particular, the strong convection which can result in hail, heavy rain and tornadoes. A mesoscale network was installed to supplement the regular surface network. On intensive observing days se...

Mixing processes playa major role in the distribution of dissolved substances and particles, including plankton, in natural waters. In lakes, vertical mixing has been studied extensively, while studies of horizontal mixing are rare. Lakes are commonly assumed to be horizontally homogeneous, and consequently horizontal mixing is frequently neglected. However, its effects can be of great importan...