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Biol Open. 2017 Oct 15;6(10):1569-1574. doi: 10.1242/bio.026443.

Grazing limits natural biological controls of woody encroachment in Inner Mongolia Steppe.

Biology open

Hongyu Guo, Linjing Guan, Yinhua Wang, Lina Xie, Chelse M Prather, Chunguang Liu, Chengcang Ma

Affiliations

  1. Tianjin Key Laboratory of Animal and Plant Resistance, College of Life Sciences, Tianjin Normal University, Tianjin 300387, China.
  2. College of Life Sciences, Nankai University, Tianjin 300071, China.
  3. Department of Biology, University of Dayton, Dayton, OH 45419, USA.
  4. College of Environmental Science and Engineering, Nankai University, Tianjin 300350, China.
  5. Tianjin Key Laboratory of Animal and Plant Resistance, College of Life Sciences, Tianjin Normal University, Tianjin 300387, China [email protected].

PMID: 28912357 PMCID: PMC5665467 DOI: 10.1242/bio.026443

Abstract

Woody encroachment in grasslands has become increasingly problematic globally. Grazing by domestic animals can facilitate woody encroachment by reducing competition from herbaceous plants and fire frequency. Herbivorous insects and parasitic plants can each exert forces that result in the natural biological control of encroaching woody plants through reducing seeding of their host woody plants. However, the interplay of grazing and dynamics of herbivorous insects or parasitic plants, and its effects on the potential biological control of woody encroachment in grasslands remains unclear. We investigated the flower and pod damage by herbivorous insects, and the infection rates of a parasitic plant on the shrub

© 2017. Published by The Company of Biologists Ltd.

Keywords: Caragana microphylla; Grazing; Herbivorous insects; Inner Mongolia Steppe; Parasitic plants; Woody encroachment

Conflict of interest statement

Competing interestsThe authors declare no competing or financial interests.

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