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Results 1 - 10 from 126 for sustainable yield levels in 0.550 sec.

Forest timber underpriced: report
It said the department's sustainable yield levels should be set only at a maximum. The report also raised concerns about the potential for a conflict of interest interest when the department responsible for commercially managing forests is also responsible for conservation and ...
lexicon.net

Water Use and Management
Land and Water Resources Audit found that161 (30%) of Australia’s 538 recognised groundwater management units are either close to or overused when compared with their estimated sustainable yield. In terms of licences for abstraction, 168 groundwater management units are either fully allocated or over-allocated when compared with estimated sustainable yield. Substantially increased effort by ...
www.ozh2o.com

Books from the Earth Policy Institute
Abusiness as usualis not working. It is creating a bubble economy. Plan B describes how to deflate the economic bubble before it bursts," says Brown. "This involves, for example, reducing the demand for water to the sustainable yield of aquifers by quickly raising water productivity and accelerating the shift to smaller families. With most of the nearly 3 ...
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U.S. Global Change Research Information Office
Impacts of Fishing Methods on the Sustainable Catch As in almost any industry, the economic pressures in commercial fishing drive investors ever in ... the maximum sustainable yield of the oceans, or more accurately, what is possible with current methods of fisheries technology and management. What is more certain is that the levels of today ...
gcrio.org

Groundwater Glossary: The Groundwater Foundation
The condition in which the salt content of soil accumulates over time to above normal levels; occurs in some parts of the world where water containing high salt concentration evaporates from ... and fissures can appear in the land. Subsidence is virtually an irreversible process. Sustainable yield: See safe yield. Substrate: A layer of material beneath the surface soil. Surface water: Water above ...
groundwater.org

NAFI |Briefings
Sustainability All Australias native forest regions are being harvested well within their sustainable yield Water and forestry Trees consume water, but it is difficult to detect any change in water yield unless more than 20% of a catchment area is planted with tree crops. Bushfires In a continent as ...
nafi.com.au

Sustainable Fisheries - MarineBio.org
More than 70% of the world' ... threats to global fish stocks, yet greater awareness is needed so that the market demands sustainable products from well-managed fisheries. A potentially powerful intervention is being implemented by organizations such ...
marinebio.org

Draft: 2003 Joint Resolution U.S. Sustainable Economy
United States and that "reducing current 27. immigration levels is a necessary part of working toward 28. sustainability in the United States"; 29. 30. Whereas, ... ocean fisheries, on some of which the U.S. 43. fishing industry depends, have dropped below sustainable yield; 44. and, 45. 46. Whereas, this Congress in this generation has an obligation to do ...
mnforsustain.org

ESSP CLP - Principles and Practices in Sustainable Development for the Engineering and Built Environment Professions Unit1 Lecture 3
Take for instance the strategy of ‘maximum sustainable yield management’ of the worlds fisheries. In most cases the maximum sustainable ... , he reports that the IPCC recommends CO2 to be at least 60 percent of 1990 levels by 2050, and three other gases N2O, CFC-11, CFC-12 needs to be cut by ...
naturaledgeproject.net

Plan B: Rescuing a Planet Under Stress and a Civilization in Trouble, Chapter 8: Raising Land Productivity--Raising Protein Efficiency world population global economy bubble economy sustainable yield sustainable development carbon dioxide climate change g
B: Rescuing a Planet Under Stress and a Civilization in Trouble, Chapter 8: Raising Land Productivity--Raising Protein Efficiency world population global economy bubble economy sustainable yield sustainable development carbon dioxide climate change global average temperature rising temperatures falling water tables U.S. Dust Bowl national security aquifer depletion water scarcity China fertilizer ...
www.earth-policy.org