Lesson 3: Species in the environmental complex
Lesson 3: Species in the environmental complex
Lesson 3: Species in the environmental complex
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Why do plants grow where <strong>the</strong>y do?<br />
The holocoenotic<br />
<strong>environmental</strong><br />
<strong>complex</strong><br />
• A <strong>complex</strong>, <strong>in</strong>dvisible<br />
whole system<br />
consist<strong>in</strong>g of <strong>the</strong> plant<br />
and its multitude of<br />
<strong>environmental</strong><br />
<strong>in</strong>fluences.<br />
• Holocoenosis =<br />
ecosystem?<br />
• Compare to Tansley s<br />
concept of <strong>the</strong><br />
“ecosystem”, which<br />
also <strong>in</strong>cluded time and<br />
change.<br />
• Bill<strong>in</strong>g s concept is<br />
<strong>the</strong>refore an<br />
ecosystem at a<br />
moment <strong>in</strong> time.<br />
W.D. Bill<strong>in</strong>gs, 1952. The <strong>environmental</strong> <strong>complex</strong> <strong>in</strong> relation to plant growth and<br />
distribution. Quaterly Review of Biology 27: 251-265.
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