353 research outputs found
Does tree density or fertilisation in silvopastoral systems affect tree or pasture production ?
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Biomass production and concentration of rosmarinic acid in Melissa officinalis L. established under Prunus avium L.
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Protocol voor het meten van gasvormige emissies en stof van mestbe- en verwerkingsinstallaties
Agroforestry and good governance: a comparison of the agroforestry policy frameworks in the EU and the USA
info:eu-repo/semantics/publishedVersio
Super- and coinfection: filling the range
Journal ArticleHow many different strains of a disease can coexist in a single population of hosts? What effect do different mechanisms of coexistence have on the properties of diseases? The principle of competitive exclusion (Armstrong and McGehee 1980; Levin 1970) states that no more species can coexist in a system than the number of resources or limiting factors allow, which can be thought of, somewhat imprecisely, as stating that a single trade-off can support only a single species - the one that deals best with that trade-off
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