La Albufera de Valencia : un estudio piloto
1975
Defauce Ruiz, Carlos |
Economic aspects
Diagnostico socioeconomico de la reserva ecologica Cayambe/Coca
1992
López R., Susana |
Hidalgo C., Iván |
Egüez, Arturo |
Verdesoto César |
Social (in)security and poverty as global issues
1994
Meereboer, Marie-Trees |
Solheim, Rebecca |
Nonresident big game hunting and the guiding industry in British Columbia : an economic study
1968
Bowden, Gary |
Pearse, Peter H. |
Mangrove ecosystems occasional papers : socio-economic status of the human communities of selected mangrove areas on the west coast of Sri Lanka
1988
Amarasinghe, Malad D. |
Field, C. D. |
Non-timber products from tropical forests : evaluation of a conservation and development strategy
1992
Nepstad, Daniel C. |
Schwartzman, Stephan |
Swords into plowshares : converting to a peace economy
1990
Renner, Michael |
Land use in advancing agriculture
1975
Vink, A. P. A. |
African wildlife and livelihoods : the promise and performance of community conservation
2001
Hulme, David |
Murphree, Marshall |
Bushmeat : a natural resource of the moist forest regions of West Africa with particular consideration of two duiker species in Côte d'Ivoire and Ghana
1999
Hofmann, Thomas |
Ellenberg, Hermann |
Roth, Harald H. |