The structure and management of ecosystems /
Morris, Dick
The structure and management of ecosystems / prepared for the sys tems behaviour course team by Dick Morris. - Milton Keynes : The Open University Press, 1973. - 74 p. : ill. (some col.) ; 30 cm. - The Open University. Systems Behaviour; Module 6 .
Includes index.
0335026052
Ecosystems management--Great Britain.
Sheep--Breeding
574.5
The structure and management of ecosystems / prepared for the sys tems behaviour course team by Dick Morris. - Milton Keynes : The Open University Press, 1973. - 74 p. : ill. (some col.) ; 30 cm. - The Open University. Systems Behaviour; Module 6 .
Includes index.
0335026052
Ecosystems management--Great Britain.
Sheep--Breeding
574.5