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Articles 571 - 578 of 578

Full-Text Articles in Environmental Engineering

Fisheries Report No Viii (8) - Report On A Visit Of Inspection To Barrow Island November 1969, A. A. Burbidge, A. R. Main Jan 1971

Fisheries Report No Viii (8) - Report On A Visit Of Inspection To Barrow Island November 1969, A. A. Burbidge, A. R. Main

Fisheries Research Reports

The aim of the inspection was to examine the effects on the fauna and flora of the oil exploration initiated in mid-1963 by West Australian Petroleum Pty. Ltd. (WAPET) and the construction and development programme which followed in 1966 and which is now nearing completion.


Water Conservation Handbook, D J. Carder, G. W. Spencer Jan 1971

Water Conservation Handbook, D J. Carder, G. W. Spencer

Natural resources published reports

This handbook is intended as a practical guide in some of the most common aspects of water conservation in the agricultural areas of Western Australia. It deals mainly with water conserved in dams for stock and domestic purposes on the farm.

the farm. The handbook does not attempt to deal with all aspects of handling and using water for agricultural purposes. This is a vast subject which extends into many fields such as engineering, irrigation and land use.

The guide does, however, touch on some important aspects of good management of agricultural land. It should be read in conjunction with …


West Midlands Development : Development Techniques, Department Of Agriculture, Western Australia Jan 1968

West Midlands Development : Development Techniques, Department Of Agriculture, Western Australia

Journal of the Department of Agriculture, Western Australia, Series 4

Most clearing in the West Midlands is carried out by chaining, though the method chosen will depend on the country being cleared and on the resources of the farmer.


Controlled Environment Broiler Houses In Western Australia, D F. Hessels Jan 1967

Controlled Environment Broiler Houses In Western Australia, D F. Hessels

Journal of the Department of Agriculture, Western Australia, Series 4

The three main features which contribute to the better returns from controlled environment broiler housing are higher density, better conversion and a reduction in labour.

The higher initial cost of housing and higher running costs are more than covered by these three advantages.


Planning A Dairy Farm, A W. Hobbs Jan 1966

Planning A Dairy Farm, A W. Hobbs

Journal of the Department of Agriculture, Western Australia, Series 4

THE average dairy farmer makes improvements to his property as opportunity offers, working towards a goal he has formulated in his mind.

This gradual development may eventually lead to his desired layout.


Fence Out Those Rabbits, J C. Rowbotham Jan 1965

Fence Out Those Rabbits, J C. Rowbotham

Journal of the Department of Agriculture, Western Australia, Series 4

THERE is probably no more distressing sight to orchardists' eyes than two or three hundred young fruit trees that have been damaged by rabbits.


Attack The Rabbit At Home : Destroy Warrens And Harbourage, J S. Crawford Jan 1964

Attack The Rabbit At Home : Destroy Warrens And Harbourage, J S. Crawford

Journal of the Department of Agriculture, Western Australia, Series 4

Effective rabbit destruction often calls for a carefully worked out control programme consisting of poisoning, fumigating and warren and harbourage destruction.

Possibly the most effective means of not only controlling rabbits but ultimately eradicating them from holdings is the destruction of warrens and harbourage.


Comprehensive Survey Of Sedimentation In Lake Mead, 1948-49, W. O. Smith, C. P. Vetter, G. B. Cummings, U.S. Bureau Of Reclamation Jan 1960

Comprehensive Survey Of Sedimentation In Lake Mead, 1948-49, W. O. Smith, C. P. Vetter, G. B. Cummings, U.S. Bureau Of Reclamation

Publications (WR)

Reservoirs are becoming an increasingly prominent feature of the American landscape. Built for flood mitigation and to change a fluctuating river into a dependable source of water for irrigation, power, and other purposes, they are predestined, like natural lakes, to be destroyed sometime following their creation. Sedimentation sooner or later robs most lakes and reservoirs of their capacity to store water. The significance of sedimentation in the life of Lake Mead, the largest artificial reservoir in the world, was realized when the plan for the reservoir was conceived, and an aerial survey of the floor was made in 1935 before …