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Ecos articles from December 1997
A bimonthly scholarly journal that publishes research and issues of sustainability in the environment, industry and community. Focused on Australia and the Asia-Pacific region.
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Ecos archives from December 1997
Dry times linked to mammal extinctions. (Australia's mammal species)
December 22, 1997... Nearly 20 of Australia's mammal species have gone extinct in the past 200 years, and many others have experienced a substantial loss of range. Efforts to understand this loss traditionally have focused on human activities, such as the...
Fishing for clues; can we help the Marlin slip the hook? (includes related article on marlin identification)
December 22, 1997... Black marlin are charismatic creatures. They grow to four metres and 600 kilograms and are thought to reach speeds of 100 kilometres an hour. Individual marlin have journeyed from Australia to the Marquesas Islands in French Polynesia. It's...
Water points; where pastoralism and biodiversity meet.
December 22, 1997... Artificial water points now exist at high densities over much of the rangelands. In most pastoral areas there is at least one water source within 10 km of most places and in many areas there are more. Only the desert regions (Simpson, Tanami,...
Into the black. (space radio telescopes)
December 22, 1997... Flying through space, hundreds of kilometres above us, is an eight-metre, golden `fish-net', spread wide to collect its catch. But its haul will not be Pisces, the heavenly fish, or Cancer, the celestial crab: it will be black holes in the...
Learning little things about extinction. (effects of fragmentated pine forests; related article on designing the Wog Wog Habitat Patch Experiment)
December 22, 1997... Wog Wog Mountain sits calm, dark and shrouded in cloud, overlooking a battlefield. We're in that most famous of forests in southeast New South Wales, Coolangubra, which has seen so many skirmishes between conservationists and loggers in recent...
Copy cats. (cloning of Dolly the sheep)
December 22, 1997... News of a major biological breakthrough hit the media earlier this year in the form of Dolly the sheep. Dolly is a case of `immaculate conception'. No act of matting occurred to produce her, and her real parents were dead before she was born....
]riffith gets growing. (water filtration system in Griffith, New South Wales, Australia; includes related story on wastewater treatment by Poowong Meat Packing Pty Ltd.)
December 22, 1997... How many people does it take to grow 1000 tonnes of cereal grain and hay?
On a patch of red brown earth at Tharbogang, five kilometres west of Griffith, the answer to this question is ill the making. The 16 hectare pilot trial area is...
By George. (Australian oceanographer George Cresswell specializes in charting currents)
December 22, 1997... The shutter of my CSIRO Hassel-blad opened with the expensive thud of a Volvo door closing. The sound disturbed the able seaman guiding onto the RV Franklin a measuring device retrieved from deep in the Southern Ocean, one kilometre below....
Microalgae: nutrition by the billion.
December 22, 1997... When juvenile oysters at CSIRO Marines Research were fed cultures of the microalga Pavlova pinguis, their growth rate doubled. Such are the nutritional qualities of microalgae, the tiny marine organisms from which all land plants evolved.
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