Taxonomy and systematics: contributions to benthology and J-NABS

Systematics, or taxonomy, is the Study of the diversity of life on Earth Its goals are to discover and describe new biological diversity and to understand its evolutionary and biogeographic origins and relationships. Here we review the contributions to the field of systematics and taxonomy published over the last 25 y in J-NABS and its predecessor freshwater Invertebrate Biology (FIB). We examined a total of 64 studies that we considered to be largely taxonomic in nature We classified these studies into 2 major categories. morphological (e g, descriptive taxonomy, taxonomic revisions) and molecular (e.g, deoxyribonucleic acid [DNA] barcoding, Population genetics) We examined Studies in 5-y increments for J-NABS We also studied the period 1982 to 1985, during which FIB was published. On average, 12 taxonomic Studies were published within each 5-y period. Molecular Studies first appeared in 1986 and have slowly increased, reaching their greatest number within the last 5 y Studies also were classified by their individual attributes Morphological Studies were, by far, the most common, but studies also Included molecular data, biological information, distributional data, keys, and biogeographical analyses. Most Studies included >1 of these attributes Overall, the role of J-NABS in the development of benthic taxonomy has been minimal in terms Of number Of publications, but as part of the nexus of taxomonic literature, all contributions have been important to the discipline We discuss these contributions and their impact on the following Subject areas taxonomy and revisionary systematics, phylogenetic and molecular systematics, taxonomic resources, taxonomic resolution, conservation and taxonomy, professional training, taxonomic certification, and graduate education We also give an overview of new developments in the taxonomists' toolbox. These developments include DNA barcoding, online taxonomic resources, digital identification keys, cybertaxonomy, and modern Museum collections and resources.