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Getting better with age: Lessons from the Kenya Long-term Exclosure Experiment (KLEE).

Corinna Riginos1, Duncan M Kimuyu2,3, Kari E Veblen4

  • 1The Nature Conservancy, Lander, Wyoming, USA.

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|December 31, 2024
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Summary
This summary is machine-generated.

The Kenya Long-term Exclosure Experiment (KLEE) reveals long-term ecological impacts of herbivores. Over 29 years, it highlights the value of sustained research for understanding savanna resilience and environmental change.

Keywords:
delayed responsesdroughtenvironmental changeherbivore exclosureslivestockmega‐herbivoresyear effects

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Area of Science:

  • Ecological science
  • Rangeland ecology
  • Long-term ecological research

Background:

  • Established in 1995, the Kenya Long-term Exclosure Experiment (KLEE) investigates herbivore impacts in semi-arid savanna.
  • The experiment examines the effects of livestock, wildlife, and megaherbivores on the shared environment over 29 years.

Purpose of the Study:

  • To assess the long-term, separate, and combined effects of various herbivores on savanna ecosystems.
  • To address questions of ecological stability and resilience across multiple drought-rainy cycles.
  • To balance question-driven research with the value of long-term data collection.

Main Methods:

  • Long-term ecological monitoring within experimental exclosures.
  • Quantification of environmental effects across varying years, including drought periods.
  • Analysis of ecological changes influenced by anthropogenic factors.

Main Results:

  • Identification of experimental effects that manifest over extended periods (29 years).
  • Quantification of inter-annual variations in ecological responses, including drought impacts.
  • Detection of ecological signatures indicative of anthropogenic change.

Conclusions:

  • Long-term studies are crucial for understanding slow-developing ecological processes and resilience.
  • Sustained research in savanna ecosystems provides invaluable data on environmental dynamics.
  • Long-term experiments foster scientific collaboration and generate new research questions.