Lots of work in the Netherlands regarding adverse impacts of neonics on aquatic macro-invertebrates eg:
http://dx.doi.org/10.1371/journal.pone.0062374



The r2 values in table 1 show that the oversimplified linear regression model leaves the major part of the variability unexplained. Note that we pooled all data irrespective of the time of the year of sampling, this means that the seasonal cycles in abundance may account for a substantial part of the variability for many species.
             

Interesting the last thread on paper quality.

Seems to me that the cited paper fits that by its own admission.   Several species were up,  several were down....  and then the kicker statement....


"The r2 values in table 1 show that the oversimplified linear regression model leaves the major part of the variability unexplained. Note that we pooled all data irrespective of the time of the year of sampling, this means that the seasonal cycles in abundance may account for a substantial part of the variability for many species."



Seems to me knowing what I know about population dynamics,  this line alone makes everything else a bit curious as to its value. At the very least calls for a much better look.

Charles

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