1. Crutzen, P.J.; Aselmann, I.; Seiler, W. Methane production by domestic animals, wild ruminants, other herbiverous fauna and humans. Tellus 1986, 38B, 271 284.

2. Howden, S.M.; Rewyenga, P.J. Methane emissions from Australian livestock: Implications of the Kyoto Protocol. Australian Journal of Agricultural Research 1999, 50, 1285 1291.

3. Heil, G.W.; Aerts, R. General Introduction. In Heathlands Pattern and Process in a Changing Environment; Aerts, R.,

Heil, G.W., Eds.; Kluwer Academic Press: Dordrecht, The Netherlands, 1993; 1 24.

4. Ormerod, S.J.; Gee, A.S. Chemical and Ecological Evidence on the Acidification of Welsh Lakes and Rivers. In Acid Waters in Wales; Edwards, R.W., Gee, A.S., Stoner, J.H., Eds.; Kluwer Academic Publishers: Dordrecht, The Nether lands, 1990; 11 25.

5. Jarvis, S.C.; Wilkins, R.J.; Pain, B.F. Opportunities for reducing the environmental impact of dairy farm manage ments: A systems approach. Grass Forage Sci. 1996, 51, 21 31.

6. Illius, A.W.; Hodgson, J. The Ecology and Management of Grazing Systems; CAB International: Wallingford, UK, 1996.

7. Perevolotsky, A.; Seligman, N.G. Role of grazing in Mediterranean rangeland ecosystems. Bioscience 1998, 48, 1007 1017.

8. Walker, B. Rangeland ecology: Understanding and manag ing change. Ambio 1993, 22, 80 87.

9. Grice, A.C.; Hodgkinson, K.C. Global Rangelands Prog ress and Prospects; CABI Publishing: Wallingford, UK, 2002.

Weight Loss All Star

Weight Loss All Star

Are you looking to lose weight or even just tone up? What is stopping you from having the body you want and help you feel great at the same time? I created Weight Loss All-Star for all those wanting to lose weight, and keep the weight off. I know how hard it is to do diets and stick with them, and get the motivation to get up and exercise.

Get My Free Ebook

Post a comment