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Transcript: How Water Scarcity Will Shape the New Century
Stated otherwise, roughly 160 million tons of the world痴 grain supply is now being produced by ... stabilize water tables, grain harvests would drop an estimated 160 million tons, and world grain prices would go off the top of the ... With grain, everyone in the world uses either tons per hectare or, in the English system, bushels per acre. We have a common framework, but ...
www.earth-policy.org

Table - Population by Potential Crop Yields
China - however, not very much. These yield estimates essentially indicate, how many tons of crops per hectare could be produced in a particular 5 x 5 grid cell, given its agro ... climate conditions would permit crop cultivation at the very high level of 10 to 13 tons per hectare. Some 166 million Chinese live in these very fertile areas - about 14% of the population ...
www.iiasa.ac.at

Chart - Population by Potential Crop Yields
Population by Potential Crop Yields According to AEZ model (in tons per hectare) Land Area by Potential Crop Yields According to AEZ model (in tons per hectare) Source: IIASA LUC-GIS Related Tables & Charts Heilig, G ...
www.iiasa.ac.at More from this site

Grow Leucaena Trees Technology Transfer Profit, Reforestation, Ecoindustrial Development, Agroforestry
Chances are you've heard about the use of Leucaena in Australia, where the farmers have dry season gains of one kg per day per ...
satglobal.com

Agriculture: Indonesia
(Barbier 886). In 1986-87 ... resistant brown planthopper species (Barbier 889). This loss of 1 million tons of rice was equivalent to US$180 million (Barbier 889). ... 90%, while average rice yields had risen from 6.1 tons per hectare to 7.4 tons per hectare (Panayotou 65). Indonesia's IPM strategy has served ...
colby.edu

Habitat Media - interview transcript
They're probably not going to stock over 30 or 40 at the ... 30. When you have no aeration you can go up to around 2 tons per hectare, but you're probably going to have some water exchange there. So, ... about '88 or '87. They reach a peak of about 70,000 tons of shrimp per year. Then, the next year it was down to about 20 ...
habitatmedia.org

Timber Trade: another loophole for Japan?
Timber imported annually by Japan has grown by absorbing (storing) 73.5 million tons of CO2. This amount is equivalent to 6.2% of Japan's CO2 emissions ... forests. Original tropical forest stores carbon at average rates of 220 tons per hectare. Replacement plantations store carbon at average rates of 120 tons per hectare. The result of initial logging and subsequent plantation is ...
www.jca.apc.org

SBSTA/SBI8に向けた提案
Timber imported annually by Japan has grown by absorbing (storing) 73.5 million tons of CO2. This amount is equivalent to 6.2% of Japan's CO2 emissions ... forests. Original tropical forest stores carbon at average rates of 220 tons per hectare. Replacement plantations store carbon at average rates of 120 tons per hectare. The result of initial logging and subsequent plantation is ...
www.jca.apc.org More from this site

NPG Forum: Sustainability, Part I- On the Edge of an Oxymoron by Lindsey Grant
Farmlands are losing soil at a net rate of about 12 tons per hectare annually and the best ones have lost half or more of their topsoil in little ... can recover from wasteland. Agricultural yields are stagnating while the demand for food grows. Our per capita timber resources are declining, and old growth forests and their genetic resources are being ...
npg.org

PNNL Global Energy Technology Strategy Project (GTSP): Agricultural Productivity Movies
United States growing regions. Production is measured as crop yield in tons per hectare. The baseline maps show the average yield using the historical climate of 1960-1990 as ...
pnl.gov