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Archive for the ‘Savanna’ Category

Nut shell

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Plant respiration= evaporation cooling

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Plant respiration = evaporation cooling.

Evaporation cooling = moist southern air moving north.

morerain

Water flows down hill… in ancient river beds under the sand.

Nut shell

SafsafOasis_SAR_comparison

Big Water and Grass

Big Picture
bigpict

Data from the Soil Conservation Research project at McCredie during the summer drought of 1953 showed the corn crop exhausting the soil moisture to a depth of 3.5 feet under the fertilized soils. The equivalent of only 1.04 inches of water was left in that entire depth. Where the soil was not fertilized, the crop dried out the soil to a lesser depth. It left the equivalent of 4.5 inches of water in the upper 3.5 feet.
On the unfertilized corn, which took 14 inches of water from the soil, the yield was only 18 bushels per acre. It required 26,000 gallons of water to make a bushel of corn. On the fertilized soil with a
yield of 79 bushels, only 5,600 gallons of water per bushel were required.

The drought was a case of plant hunger rather than thirst.

Or simply, 4 times the crop yeild with one fifth the amount of water on fertile soil.

Biosolids and grass seed: more crop less water.

Sewage

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Animal excrement and self produced biomas are the food stuffs of plants and insects. More

Endangerd Sahara Addax

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Over grazing = desert

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Grass and Biosolid – We may want to consider the possibility that converting savanna grass lands to desert over the past 6,000 years of agricultural empire building is responsible for climate change effects rather than the reverse view that climate change causes deserts.

Big Water and Grass – Africa

Sand Dams

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Daily Motion Video on sand dams.

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Grass lands eliminated toxic dust storms.

Dr. Karl L. Wuensch’s brief dust storm blurb.

Big Water and Grass – Africa
Biosolid application methods and design factors

Commentary by Mr. Luc Gnacadja, Executive Secretary of the United Nations Convention to Combat Desertification on the occasion of The TICAD IV Breakout session D: Addressing environmental issues/ climate change
29 May 2008, Yokohama, Japan

It is an honour for me to contribute to the work of this session.
Desertification means land degradation caused by various factors including climatic variations and human activities. According to the report of the Millennium Ecosystem Assessment, climate change is aggravating desertification, making it “the greatest environmental challenge of our times and a major impediment to meeting basic human needs in drylands.” In the Africa region, the issue is of serious concern, given that some 60 per cent of the population depends on agriculture and the land degradation processes affect about 46 per cent of the whole continent.
UNEP estimates that desertification costs some 9 billion US dollars a year in Africa alone. Further, a recent study indicated that land degradation on arable land is taking place in the most productive areas of sub-Saharan Africa, threatening food production in the long-run.
This already grim situation has been aggravated recently due to the sharp rise of food prices. It is striking that the geography of endemic poverty and hunger coincides with that of degraded lands. In fact, “today’s global challenges such as the food crisis, the consequences of biofuels on land and food commodities, the water scarcity, the forced migrations and other threats of climate change, are bringing the global community down to earth, down to the land. They are calling for sound and integrated policies including on sustainable land management”. I want to highlight that “reforming policies to combat desertification also represents one of the world’s most expedient ways to sequester more atmospheric carbon and help address the climate change issue” according to the UNU. So at the UNCCD, the UNMEA in charge of monitoring the sustainable management of land, we are calling for actions on the following:
1. Reject the notion that aridity and water scarcity are inevitable;
2. Create financial incentives for pastoralists and other dryland users to preserve and enhance the ecosystem services their land provides to all;
3. Accept the carbon sequestration as a measure for simultaneously combating desertification and climate change;
4. Foster alternative, sustainable livelihoods for dryland dwellers, including non-agricultural jobs;
5. Yield ownership and decision making to communities: empower them to take charge of land on which they depend and end the pattern of individuals chasing environmentally detrimental short-term gains;

The Drought Myth

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The Drought Myth
An Absence of Water is Not the Problem

Reprinted from Acres USA
November 2000 – Vol. 30, No. 11 – Cover Story
by William A. Albrecht, Ph.D.<!–more–>

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Soil nutrients are essential!
Biosolid application methods and design factors