Agriculture ; Guinea ; Mathematical model ; Model ; Population growth ; Shifting cultivation ; Simulation
This paper will present a computer model of a certain class of agricultural systems, termed shifting cultivation systems. The objective of modeling is to demonstrate how such decision rules control overall system behaviour, and to study the response
Afrique ; Changement global ; Cycle du carbone ; Dioxyde de carbone ; Domaine aride ; Ecosystème ; Espagne ; Groenland ; Modèle ; Photosynthèse ; Réchauffement climatique ; Sahel ; Savane ; Suède ; Toundra ; Zone climatique ; Zone froide
Africa ; Arid area ; Carbon cycle ; Carbon dioxide ; Climatic warming ; Climatic zone ; Cold area ; Ecosystem ; Global change ; Greenland ; Model ; Photosynthesis ; Sahel ; Savanna ; Spain ; Sweden ; Tundra
function under marginal conditions, limited either by heat or water supply. By combining eddy covariance measurements and CO2 exchange modelling, the sensitivity of these systems related to temperature change is evaluated.