Table 1 Summary results of the model fit of the predator laboratory experiment
Predator | Number of predators used | Estimate | Std Error | t Ratio | P-value | 95% Confidence interval |
|---|---|---|---|---|---|---|
Gambusia affinis fish (Family Poeciliidae, order Cyprinodontiformes) | 65 | 40.98 | 5.38 | 7.61 |  < 0.0001 | 51.6—> 30.4 |
Water boatman (Family Corixidae, Order Hemiptera) | 111 | 33.59 | 3.88 | 8.65 |  < 0.0001 | 41.2—> 25.9 |
Dragonfly nymph (Family Corduliidae, Order Odonata) | 22 | 28.83 | 4.91 | 5.87 |  < 0.0001 | 38.5—> 19.1 |
Damselfly nymph (Family Lestidae, Order Odonata) | 99 | 17.68 | 4.06 | 4.35 |  < 0.0001 | 25.7—> 9.7 |
Water scorpion (Family Nepidae, order Hemiptera) | 68 | 11.25 | 4.56 | 2.47 | 0.0145 | 20.2—> 2.3 |
Backswimmer (Family Notonectidae, Order Hemiptera) | 10 | − 1.11 | 10.75 | − 0.1 | 0.92 | 20.1- > − 22.3 |
Water beetles (Family Hydrophilidae and Dytiscidae, Order Coleoptera) | 71 | − 20.03 | 5.05 | − 3.97 | 0.0001 | − 10.1—> − 30.0 |
Water spiders (Family Dictynidae, Order Araneae)Spider | 30 | − 21.27 | 4.37 | − 4.87 |  < 0.0001 | − 12.7—> − 29.9 |
Mayfly (Family: Baetidae Order: Ephemeroptera) | 26 | − 27.72 | 5.38 | − 5.15 |  < 0.0001 | − 17.1—> − 38.3 |
Tadpoles (Class Amphibians) | 108 | − 27.99 | 4.28 | − 6.53 |  < 0.0001 | − 19.5—> − 36.4 |