4381 to 4392 of 14035 results
Population structure and growth of Philine gibba Strebel have been examined using weight- and length-frequency analyses. The population consisted of five year classes but the 4th and 5th year classes […]
The wide-ranging observational programmes of twenty-five stations operating on and around the continent of Antarctica during the IMS are reviewed. Some special features of Antarctic observations made within the polar […]
A new method for monitoring the position and movement of large ionospheric structures is described. The technique uses data from an ionosonde nominally operating at vertical incidence, but relies on […]
A georesistivity survey was made on part of George VI Ice Shelf (71°55’S, 67°20’W). The principal objectives were to determine the electrical structure of the 1ce shelf, in particular how […]