We also provide some estimates of mean trend and a ranking of species from most extreme decline to most extreme increase, using the procedures given in Link and Sauer 1996. These results adjust estimates for relative precision, and you can estimate:
These results are based on the Route-regression, estimating equations method.
Although these data have been processed successfully on a computer system at the USGS Biological Resource Division, no warranty expressed or implied is made regarding the accuracy or utility of the data on any other system or for general or scientific purposes, nor shall the act of distribution constitute any such warranty. This disclaimer applies both to individual use of the data and aggregate use with other data. It is strongly recommended that these data are directly acquired from a Biological Resource Division server, and not indirectly through other sources which may have changed the data in some way. It is also strongly recommended that careful attention be paid to the contents of the metadata file associated with these data. The Biological Resource Division shall not be held liable for improper or incorrect use of the data described and/or contained herein.
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