Energy transfer through ecosystems Flashcards
1
Q
Define ‘net primary productivity’
A
the material produced by photosynthesis stored as new plant body tissues
NPP = GPP - R
gross primary productivity minus respiratory losses
2
Q
Define ‘gross primary productivity’
A
in plants is the rate at which light from the sun catalyses the production of new plant material
measured as:
gm^-2 year^-1
gCm^-2 year^-1
kJm^-2 year^-1
3
Q
why should nutrients be recycled in an ecosystem
A
4
Q
what is the significance of microorganisms in the recycling of nutrients in an ecosystem
A
