Good point. I was commenting more on my perception of the conservation field rather than considering biases in the methodology of this study, but they keywords used were:
[insect*] AND [declin*] AND [survey]
Which does is completely biased to finding studies showing insect declines. Fig 1. also shows that most of the included studies were done in the US and Europe, with very little data coming from the tropics where most insect diversity is.
Good point. I was commenting more on my perception of the conservation field rather than considering biases in the methodology of this study, but they keywords used were:
Which does is completely biased to finding studies showing insect declines. Fig 1. also shows that most of the included studies were done in the US and Europe, with very little data coming from the tropics where most insect diversity is.