Lectures on species interactions and competition
Lectures on species interactions and competition
Lectures on species interactions and competition
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Productivity vs. <strong>species</strong> richness (Tilman<br />
<strong>and</strong> Pacala 1993)<br />
• Habitats intermediate<br />
in resources (<strong>and</strong><br />
productivity) tend to<br />
support the most<br />
<strong>species</strong>.<br />
• Extremely poor soils<br />
are likely to be<br />
dominated by <strong>on</strong>ly a<br />
few <strong>species</strong> that can<br />
compete for a single<br />
limiting resource.<br />
• Extremely rich soils<br />
support high biomass<br />
producti<strong>on</strong> <strong>and</strong> are<br />
dominated by the few<br />
<strong>species</strong> that compete<br />
the most effectively for<br />
light.
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