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Urbanization--how does it affect the behaviour of sandflies?
S Kamhawi1, S K Abdel-Hafez, D H Molyneux
1Department of Biological Sciences, Yarmouk University, Irbid, Jordan.
Summary
Building activities in Jordan impact sandfly populations. Sandflies thrive in man-made habitats, often exceeding natural densities after construction activities.
Area of Science:
- Environmental Science
- Medical Entomology
- Ecology
Background:
- Sandflies are vectors for diseases like leishmaniasis.
- Human settlements and building activities can alter local ecosystems.
- Understanding sandfly population dynamics in relation to human activities is crucial for public health.
Purpose of the Study:
- To investigate the impact of building activities on sandfly abundance in Jordan.
- To compare sandfly populations in natural versus man-made habitats.
Main Methods:
- Sandflies were collected from various habitats in Jordan.
- A total of 3442 sandflies were captured and identified.
- Collections were made from natural habitats, uninhabited houses, and inhabited houses.
Main Results:
- The largest sandfly collections were observed in natural habitats, uninhabited houses, and inhabited houses.
- Man-made habitats (houses) frequently harbored a greater diversity of Phlebotomus species.
- Sandfly populations demonstrated a capacity to recover and surpass original densities in artificial habitats post-construction.
Conclusions:
- Building activities create artificial habitats that support significant sandfly populations.
- Sandfly populations can rebound to high densities in human-altered environments.
- Further research is needed to assess disease transmission risks in these altered habitats.