Lectures on species interactions and competition
Lectures on species interactions and competition
Lectures on species interactions and competition
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Pairwise interacti<strong>on</strong>s<br />
• Competiti<strong>on</strong> (-. -): Plants are competing for the same<br />
resource decreasing the to total fitness <strong>and</strong>/ or<br />
growth of both <strong>species</strong>.<br />
• Amensalism (-, 0): One plant has a negative effect <strong>on</strong><br />
the other, but the other has no effect <strong>on</strong> the first.<br />
• Commensalism (0, 0): Plants are apparently<br />
indifferent to each other.<br />
• Mutualism (+, +): Plants have mutual benefit to each<br />
other<br />
• Parasitism (also herbivory, predati<strong>on</strong>, pathogenicity)<br />
(+, -): One plant benefits, the other is affected<br />
negatively.
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