OM S07

Workshop agroecology

Workshop agroecology. Paris : CIHEAM, 1984. 166 p. (Options Méditerranéennes : Série Etudes; n. 1984-I). Limits to Agricultural Production, 1984/01, Zaragoza (ESP).

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Thème

Environnement, Biodiversité, Ressources Naturelles, Changement Climatique

Sommaire

Introduction. What is the relationship between production of agricultural and non-agricultural vegetation? Golley F.B..	1-5

Biomass pools and primary produetivity of natural and managed ecosystem types in a global perspective Lieth H..	7-14

The capacity of the world land area to produce agricultural products Buringh I..	15-32

Environmental constraints on productivity of the mediterranean sclerophyll shrub Quercus coccifera Tenhunen J.D., Meister H.P., Caldwell M.M., Lange O.L..	33-53

To what extent can agricultural production be expanded? van Keulen H., De Wit C.T..	55-76

Primary production in agroecosystems Ryszkowski L..	77-94

Net primary production, net ecosystem production and nutrient availability Melillo J.M..	95-110

The effect of interlevel hierarchical system communication on agricultural system input-output relationships Hart R.D..	111-124

Energy flows in agricultural and natural ecosystems Pimentel D..	125-136

Input-output relationships on North China collective farms Han Chun-Ru, Golley F.B..	137-145

The contribution of external inputs and intrinsec state conditions to agroecosystem productivity Cox G..	147-160

Summary of the main arguments from a theoretical perspective Margalef R..	161-166