In the Shadows of the Congo Basin Forest, Elephants Fall to the Illegal Ivory Trade
2007

Forest Elephant Crisis in the Congo Basin

publication Evidence: high

Author Information

Author(s): Stephen Blake, Samantha Strindberg, Fiona Maisels

Hypothesis

The study investigates the impact of poaching and human activity on forest elephant populations in the Congo Basin.

Conclusion

Forest elephants are in serious jeopardy due to intense poaching and habitat loss, with their numbers and range rapidly declining.

Supporting Evidence

  • Between 1970 and 1989, an estimated three-quarters of a million elephants were killed due to poaching.
  • The last regional forest elephant survey in 1989 estimated about 172,000 forest elephants lived in the Congo Basin.
  • The researchers found 53 confirmed elephant poaching camps across the surveyed sites.
  • Elephants were more abundant with increasing distance from roads and decreasing evidence of human activity.
  • Only two national parks had a mean estimated density of more than one elephant per square kilometer.

Takeaway

Forest elephants are being hurt by poachers who want their tusks, and as roads are built, it's getting harder for them to survive.

Methodology

The researchers surveyed six protected MIKE sites and conducted a megatransect over 2,000 kilometers to collect data on elephant signs and human activity.

Potential Biases

Potential bias due to the focus on specific protected areas and the challenges in surveying remote regions.

Limitations

The study primarily focuses on protected areas, which may not represent the overall situation for forest elephants in the entire Congo Basin.

Digital Object Identifier (DOI)

10.1371/journal.pbio.0050115

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