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245	1	0	_aStructural constraints on novel ecosystems in agriculture: The rapid emergence of stereotypic modules
490	0		_vPerspectives in Plant Ecology, Evolution and Systematics, 17(6), p.522-530, 2015
520	3		_aAgricultural ecosystems are, by their very nature, a cauldron of novel ecosystems, emerging with exotic species at the core of their very existence and followed by invasions of other species, so-called associated biodiversity. Within that framework similar ecosystem modules become assembled very rapidly with native and non-native species, a consistency that reflects deep ecological principles at both local and landscape levels. Here we describe three such modules: trophic levels and food webs, natural enemies in space and time, and trait-mediated trophic cascades and the accumulation of non-linearities. We propose that diverse agroecosystems are bound to contain such modularities and therefore have similar ecological structures as natural systems in spite of their novelty. We use examples from the coffee agroecosystem in Mexico to illustrate these modules.
650	1	4	_aAGROECOSYSTEMS AS NOVEL ECOSYSTEM
650	1	4	_aAGROECOLOGY
650	1	4	_aMODULARITY
650	1	4	_aTROPHIC INTERACTIONS
650	1	4	_aTRAIT-MEDIATED INTERACTIONS
700	1	2	_aPerfecto, I.
700	1	2	_aVandermeer, J.
856	4	0	_uhttps://drive.google.com/file/d/14pzk2ntP5FoAT2V4sXcRAhL2ZpeTmCak/view?usp=drivesdk _zPara ver el documento ingresa a Google con tu cuenta: @cicy.edu.mx
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