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In vivo and In vitro Infection of Potato Roots with Plant Parasitic Nematodes for the Assessment of Induced Structural Changes
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Root cropping by pocket gophers.

Veronica Selden1, Francis E Putz1

  • 1Department of Biology, University of Florida, Gainesville, FL 32641, USA.

Current Biology : CB
|July 12, 2022
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Summary
This summary is machine-generated.

Pocket gophers (Geomys pinetis) consume roots growing into their tunnels, a novel food source. This discovery helps explain how these fossorial rodents meet high energy demands in their grassland habitats.

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Area of Science:

  • Ecology
  • Zoology
  • Animal Behavior

Background:

  • Pocket gophers (Geomys spp.) are solitary, fossorial rodents native to North and Central American grasslands.
  • They are known root-eaters with extensive tunnel systems, requiring significant energy due to costly burrowing behaviors.

Purpose of the Study:

  • To identify novel food sources for southeastern pocket gophers (Geomys pinetis).
  • To quantify the energetic contribution of these novel food sources to pocket gopher daily requirements.

Main Methods:

  • Investigated root presence and accessibility within pocket gopher tunnels at a sandy soil study site.
  • Quantified the potential caloric contribution of tunnel-inhabiting roots to pocket gopher energy budgets.

Main Results:

  • Roots growing into pocket gopher tunnels represent a significant, previously undescribed food source.
  • These roots can supply an average of 21% and up to 62% of daily basal energetic needs for Geomys pinetis.

Conclusions:

  • Tunnel-inhabiting roots are a crucial dietary component for southeastern pocket gophers.
  • This finding helps explain how pocket gophers sustain high energy requirements in environments with scarce surface food resources.