Table 2.

Summary of major abiotic and biotic characteristics associated with two different type of aquatic habitats with An. arabiensis immatures in Bras-Panon and Saint-Benoît, North-east of La Reunion

	Bras-Panon	Saint Benoît	p-value
Type of breeding site	Man-made	Rock pools
Number of habitats	12	11	=
Total number of samples taken	82	105	0.002**
Abiotic factors
Mean surface area (m2)	8.8 [5.04–12.5]	3.6 [2.5–4.6]	< 0.001**
Depth (cm)	7.1 [6.3–7.8]	12.1 [11.2–12.9]	< 0.001**
Temperature (°C)	33.2 [33.1–34.3]	32.2 [31.8–33.0]	0.02**
pH	8.5 [8.4–8.7]	7.8 [7.6–8.0]	< 0.001**
Conductivity (μS/cm)	206.3 [185.5–227]	28.9 [26.4–31.4]	< 0.001**
Turbidity	31%	7%
Biotic characteristics
Mosquito species detected	An arabiensis	An. arabiensis, Culex neavei	N/a
Total number of larvae	320	432
Mean larval density per dip	0.55 [0.37–0.73]	0.70 [0.57–0.83]	0.03**
Macro-fauna species (diversity index)	14 (1.9)	15 (1.8)	0.45**
Algae (% occurrence)
Absent	29%	62%	−
Low	48%	32%	−
Medium	21%	5%	−
Average surface coverage (%)	12.5%	6%	0.001*
Floating and emergent vegetation
Absent	62%	57%	−
Low	32%	43%	−
Medium	6%	−	−
Average surface coverage (%)	9%	3%	0.031*

Mean and [95% Confident interval] for each parameter are provided.

* Pearson’s chi square test. ** GLM F-test with all analyses performed after log10 transformation.