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      Orthoptera response to grazing: an introduction to the special issue

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      Journal of Orthoptera Research
      Pensoft Publishers

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          Abstract

          Orthoptera response to grazing: an introduction to the special issue

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          Most cited references21

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          Heavy livestock grazing promotes locust outbreaks by lowering plant nitrogen content.

          Current paradigms generally assume that increased plant nitrogen (N) should enhance herbivore performance by relieving protein limitation, increasing herbivorous insect populations. We show, in contrast to this scenario, that host plant N enrichment and high-protein artificial diets decreased the size and viability of Oedaleus asiaticus, a dominant locust of north Asian grasslands. This locust preferred plants with low N content and artificial diets with low protein and high carbohydrate content. Plant N content was lowest and locust abundance highest in heavily livestock-grazed fields where soils were N-depleted, likely due to enhanced erosion. These results suggest that heavy livestock grazing and consequent steppe degradation in the Eurasian grassland promote outbreaks of this locust by reducing plant protein content.
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            DISTURBANCE BY FIRE FREQUENCY AND BISON GRAZING MODULATE GRASSHOPPER ASSEMBLAGES IN TALLGRASS PRAIRIE

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              Does microclimate affect grasshopper populations after cutting of hay in improved grassland?

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                Author and article information

                Journal
                Journal of Orthoptera Research
                JOR
                Pensoft Publishers
                1937-2426
                1082-6467
                June 12 2018
                June 12 2018
                : 27
                : 1
                : 1-2
                Article
                10.3897/jor.27.27213
                b56ffd55-1edf-4537-adfa-4ffa48373866
                © 2018

                http://creativecommons.org/licenses/by/4.0/

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