PLANTGRO can provide estimates of plant and tree growth under a wide range of conditions by evaluating responses to some 20 environmental variables ranging from day length to soil pH and determining the limiting factor. Although intended only to indicate the suitability of a given site-species co...
Hackett, C.
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Vanclay, J.K.
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[Mobilizing expert knowledge of tree growth with the PLANTGRO and INFER systems]
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Mobilizing expert knowledge of tree growth with the PLANTGRO and INFER systems
TROPIS, the Tree Growth and Permanent Plot Information System, contains five elements: (1) a network of people willing to share permanent plot data and tree growth information, serviced by newsletters and information sources hosted at http:/'/www.cgnet.or g/cifor/research/tropis.htmI (or availabl...
Effective model evaluation is not a single, simple procedure, but comprises several interrelated steps that cannot be separated from each other or from the purpose and process of model construction. We draw attention to several statistical and graphical procedures that may assist in model calibra...
Vanclay, J.K.
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[Growth models for tropical forests: a synthesis of models and methods]
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Growth models for tropical forests: a synthesis of models and methods
Usol’tsev, V.A.
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Vanclay, J.K.
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[Stand biomass dynamic of pine plantations and natural forest on dry steppe in Kazakhstan]
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Stand biomass dynamic of pine plantations and natural forest on dry steppe in Kazakhstan
Forest growth models form one of several important prerequisites for sustainable management. The complexity of tropical moist forest means that there is often little objective information to classify sites and species for growth modelling and yield prediction. Classification based on observable m...
Vanclay, J.K.
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Gillison, A.N.
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Keenan, R.N.
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[Using plant functional attributes to quantify site productivity and growth patterns in mixed forests]
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Using plant functional attributes to quantify site productivity and growth patterns in mixed forests
The paper outlines some of the key issues relating to the maintenance of 'healthy forests' in the tropics. It examines the concept of sustainable forestry and its corollary the destruction or degradation of forests, before moving on to discuss some of the challenges faced by the international com...