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Title: Optimizing pollinator conservation and crop yield among perennial bioenergy crops

Journal Article · · Global Change Biology. Bioenergy
DOI:https://doi.org/10.1111/gcbb.12826· OSTI ID:1782305
ORCiD logo [1];  [2]; ORCiD logo [1]
  1. W. K. Kellogg Biological Station, Michigan State University Hickory Corners MI USA, Department of Integrative Biology Michigan State University East Lansing MI USA
  2. Department of Integrative Biology University of Texas at Austin Austin TX USA

Abstract In order to both combat the decline of biodiversity and produce food, fuel, and fiber for a growing human population, current agricultural landscapes must transition into diversified, multifunctional systems. Perennial cellulosic biofuel crops have potential to meet both of these challenges, acting as multifunctional systems that can enhance biodiversity. What is not well understood, and what we test here, are the tradeoffs among different perennial crops in their performance as biofuels and in biodiversity conservation. Working in an established bioenergy experiment with four native, perennial, cellulosic biofuel crop varieties—ranging from monoculture to diverse restoration planting—we tested the effect of biofuel crop management on flower communities, pollinator communities, and crop yield. The greatest abundance and diversity of pollinators and flowers were in treatments that were successional (unmanaged), followed by restored prairie (seeded mix of native grasses and forbs), switchgrass, and a mix of native grasses. However, biofuel crop yield was approximately the inverse, with native grasses having the highest yield, followed by switchgrass and prairie, then successional treatments. Restored prairie was the optimal biofuel crop when both pollinator conservation and crop yield are valued similarly. We add to mounting evidence that policy is needed to create sustainable markets that value the multifunctionality of perennial biofuel systems in order to achieve greater ecosystem services from agricultural landscapes.

Research Organization:
Univ. of Wisconsin, Madison, WI (United States): Univ. of Texas, Austin, TX (United States); Michigan State Univ., East Lansing, MI (United States)
Sponsoring Organization:
USDOE Office of Science (SC), Biological and Environmental Research (BER); Great Lakes Bioenergy Research Center (GLBRC); National Science Foundation (NSF); Michigan State University; Bill and Jeannette Maxey Kellogg Biological Station
Grant/Contract Number:
DE‐SC0018409; SC0018409; DEB 1832042
OSTI ID:
1782305
Alternate ID(s):
OSTI ID: 1782309; OSTI ID: 1852637
Journal Information:
Global Change Biology. Bioenergy, Journal Name: Global Change Biology. Bioenergy Vol. 13 Journal Issue: 7; ISSN 1757-1693
Publisher:
Wiley-BlackwellCopyright Statement
Country of Publication:
United Kingdom
Language:
English

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