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Indicateurs de fertilité des sols forestiers tempérés : enjeux, approches et perspectives

Abstract : The specifics of forest ecosystems requireastrategy of soil fertility assessment distinct from that commonly used in agro-ecosystems. Existing indicators fall into three main approaches. The first is to estimate the availability of resources (water, minerals) considering the size of the pools and the dynamics of supply.Asecond is based on the quantification of the response of communities of organisms other than arboreal plants in terms of presence/ absence, abundance and/or activity. The third assesses fertility by analyzing the response of the forest stand/tree itself, in terms of productivity or foliar nutrient contents. For each approach, a series of indicators are presented, stating: their principles and indications, how to acquire them, their interests and limits, their links with other indicators and few prospects for improvement.
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Submitted on : Friday, September 29, 2017 - 5:51:10 PM
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Quentin Ponette, Antonio Bispo, Alain Brêthes, Jean-Luc Dupouey, Isabelle Feix, et al.. Indicateurs de fertilité des sols forestiers tempérés : enjeux, approches et perspectives. Revue forestière française, AgroParisTech, 2014, 66 (4), pp.501-515. ⟨10.4267/2042/56563⟩. ⟨hal-01598645⟩



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