You can merge pdfs or a mix of pdf documents and other files. Click, drag, and drop to reorder files or press delete to remove any content you dont want. Moreover, criteria for the establishment of classes to assess the ecological status of the iberian. The bmwp index is studied, as well as its applications from 1978 to 2017, specifying its temporal and spatial distribution, its current trends and complementary values. A bpdx file is a text file that contains a list of platformdependent catalog index file paths and flags. The revised bmwp scores are based on the analysis of frequency of occurrence of the families recorded in approximately 17,000 samples. Just upload files you want to join together, reorder them with draganddrop if you need and click join files button to merge the documents. Acrobat then recreates the index according to the flags in the bpdx file. Pdf the use of macroinvertebrate biotic indices bmwp. Appendix 3a biological monitoring working party score sheet.