Economic losses associated with the degradation of an ecosystem : the case of submerged aquatic vegetation in Chesapeake Bay

Economic losses associated with the degradation of an ecosystem: The case of submerged aquatic vegetation in Chesapeake Bay

Kahn, James R., (1985)

The ecosystem approach: Its use and abuse : Gene E. Likens. Excellence in Ecology, Vol. 3, Ecology Institute, Oldendorf/Luhe, Germany, 1992, 166 pp., US $33.50, DM 59.00, ISSN 0932 2205

Kemp, W. Michael, (1995)

The value of changes in deer hunting quality : a travel cost approach

Balkan, Erol M., (1988)