30_Communities_II_BDEF

30_Communities_II_BDEF - Communities "II":...

Info iconThis preview shows pages 1–5. Sign up to view the full content.

View Full Document Right Arrow Icon
Communities “II”: Today’s question: Is species richness an important factor in how communities function? or Does biodiversity matter?
Background image of page 1

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Why is species richness an important factor in how mmunities function? communities function? A. Does plant species richness affect productivity? Primary productivity: Net primary productivity (NPP): hy is NPP so important? Why is NPP so important?
Background image of page 2
Experiments with North American prairies 32 species in 5 functional groups (different functional groups use or allocate resources in different ways) 1. Cool season grasses: grow in spring and fall 2. Warm season grasses: grow in summer 3. Legumes: fix nitrogen via symbiotic bacteria 4. Woody plants: allocation to woody stems 5. Forbs: allocation to seeds, flowers
Background image of page 3

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
32 randomly lected species representing 0 functional groups selected species, representing 0 5 functional groups. 2 years of growth; harvest aboveground tissues
Background image of page 4
Image of page 5
This is the end of the preview. Sign up to access the rest of the document.

This note was uploaded on 03/08/2012 for the course BIOL 180 taught by Professor Freeman during the Fall '07 term at University of Washington.

Page1 / 9

30_Communities_II_BDEF - Communities "II":...

This preview shows document pages 1 - 5. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online