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secondary productivity

secondary productivity

A Dictionary of Biology | 2004 | Copyright

secondary productivity The rate of biomass formation or energy fixation by heterotrophic organisms, such as grazers and decomposers (see heterotrophic nutrition). These derive all their energy from photosynthetic plants and other autotrophs, either directly or indirectly, and their productivity determines the number of trophic levels and the lengths of the food chains within an ecosystem – both of which are likely to be increased by greater secondary productivity. See productivity.
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"secondary productivity." A Dictionary of Biology. 2004. Encyclopedia.com. 30 May. 2012 <http://www.encyclopedia.com>.

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secondary productivity

A Dictionary of Ecology | 2004 | | Copyright

secondary productivity See primary productivity.
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MICHAEL ALLABY. "secondary productivity." A Dictionary of Ecology. 2004. Encyclopedia.com. 30 May. 2012 <http://www.encyclopedia.com>.

MICHAEL ALLABY. "secondary productivity." A Dictionary of Ecology. 2004. Encyclopedia.com. (May 30, 2012). http://www.encyclopedia.com/doc/1O14-secondaryproductivity.html

MICHAEL ALLABY. "secondary productivity." A Dictionary of Ecology. 2004. Retrieved May 30, 2012 from Encyclopedia.com: http://www.encyclopedia.com/doc/1O14-secondaryproductivity.html

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secondary productivity

A Dictionary of Plant Sciences | 1998 | | Copyright

secondary productivity See PRIMARY PRODUCTIVITY.
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MICHAEL ALLABY. "secondary productivity." A Dictionary of Plant Sciences. 1998. Encyclopedia.com. 30 May. 2012 <http://www.encyclopedia.com>.

MICHAEL ALLABY. "secondary productivity." A Dictionary of Plant Sciences. 1998. Encyclopedia.com. (May 30, 2012). http://www.encyclopedia.com/doc/1O7-secondaryproductivity.html

MICHAEL ALLABY. "secondary productivity." A Dictionary of Plant Sciences. 1998. Retrieved May 30, 2012 from Encyclopedia.com: http://www.encyclopedia.com/doc/1O7-secondaryproductivity.html

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