A sequence of 51 visible changes is described during the course of metamorphosis in Drosophila melanogaster, and a series of 24 convenient stages is defined for use in the experimental analysis and exploitation of this part of the insect life cycle. The duration of each stage is estimated and times are suggested for batch collections of symphasic animals.
The Australian Institute of Marine Science has a number of autonomous weather stations which collect environmental data on a half-hourly basis. This information is automatically quality checked and stored in the data centre before being delivered to web based visualisation tools. Collecting real-time data at appropriate temporal and spatial scales is… (More)
The Great Barrier Reef (GBR) in Australia consists of 3200 coral reefs extended over 280,000 km 2. Coral reef ecosystems are areas greatly susceptible to impact of global climate change as well as other man-made influences. This creates an urgent demand for the sensor network technologies to be deployed in order to perform essential environmental monitoring… (More)
Wireless Sensor Networks promised to do for observation systems what consumer electronics have done for areas like photography--drive down the price per observation (photograph), introduce new functionality and capabilities, and make, what had been a relatively exclusive set of technologies and capabilities, ubiquitous. While this may have been true for… (More)
A comparison was made between the underwater visual acuity of human observers and a high-end stills camera as applied to visual surveys of shallow water coral reefs. The human observers had almost double the visual acuity of the camera, recording a Snellen eye test score of 20/8 at 4.3 m depth against 20/15 for the camera. The human observers had a field of… (More)