The cobblestones of Hanover and Brattle Streets and of Cornhill, Boston, had an attraction at the turn of the last century for the suburban lad, who, wending his way through those historic paths of the former center of the Massachusetts Bay Colony, often sought the street to avoid the uneven sidewalks with their helter-skelter curbings. Even the round cobblestones between the rails of the troll...

The coastal environment represents a complex natural system strongly conditioned both from the anthropic action and the natural agent. It is closely connected to the fluvial net that, with its solid contribution, feeds the beaches, balancing the destructive action of the seas storm. During the last few decades the deterioration of the coastal environment is exploded on world-wide scale in all i...

The concept of designing structures to achieve a specified performance limit state defined by strain or drift limits was first introduced, in New Zealand, in 1993. Over the following years, and in particular the past five years, an intense coordinated research effort has been underway in Europe and the USA to develop the concept to the stage where it is a viable and logical alternative to curre...

During 1983-88 Aedes aegyptiwerc collected using larval surveys and ovitraps in Tobago, W.I. The main artificial containers used by Ae. aegypti were drums (35.4%) and small miscellaneous containers (23.4%). From a total of 15,600 ovitraps exposed, 183 ovitraps (1.3%) were positive, with 25 containing Ae. aegypti eggs and 158 with Haemagogus equinus eggs. No Aedes albopict&s eggs were detected i...

Emerging community-based approaches to management reflect the changing role of government. As a basis for Integrated Management in Newfoundland and Labrador, a program was initiated in 1997 to prepare an inventory of coastal resources. In order to make the initiative inclusive and ensure input of local knowledge, a community-based approach was developed. Community groups have used the informati...