Ecology. Block A. Energy flow through ecosystems / 
prepared by an Open University course team 
 - Milton Keynes :  The Open University Press,  1974 
 - v. :  ill. ;  30 cm. 
<br/><br/>Block C. Ecology. Individuals and communities - unit 10. Climatic factors - unit 11. Edaphic factors; problems of dispersal - unit 12. Biotic factors: food chains and symbiosis - unit 13. Competitive and other interactions between organisms - unit 14. Diversity in communities - Block D. Ecology. Man and ecology - unit 15. Man and ecosystems - unit 16. Man and communities of organisms. 
<br/><br/><label>ISBN: </label>0335041507 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Ecology<br/>Decomposition (Chemistry)<br/>Population genetics<br/>Animal populations