COLUMN_NAME LABEL LEGAL_VALUES AMPHNTAX No. of Amphipoda taxa AMPHPIND % Amphipoda individuals AMPHPTAX % Amphipoda taxa BURRNTAX No. of Burrowers taxa BURRPIND % Burrowers individuals BURRPTAX % Burrowers taxa CHIRDOM1PIND % individuals in most abundant distinct Chironomidae taxon CHIRDOM3PIND % individuals in most abundant 3 distinct Chironomidae taxa CHIRDOM5PIND % individuals in most abundant 5 distinct Chironomidae taxa CHIRNTAX No. of Chironomidae taxa CHIRPIND % Chironomidae individuals CHIRPTAX % Chironomidae taxa CLMBNTAX No. of Climbers taxa CLMBPIND % Climbers individuals CLMBPTAX % Climbers taxa CLNGNTAX No. of Clingers taxa CLNGPIND % Clingers individuals CLNGPTAX % Clingers taxa COFINTAX No. of Collecter-filterer taxa COFIPIND % Collecter-filterer individuals COFIPTAX % Collecter-filterer taxa COFITRICNTAX No. of Collector-filterer Trichoptera taxa COFITRICPIND % Collector-filterer Trichoptera individuals COFITRICPTAX % Collector-filterer Trichoptera taxa COGANTAX No. of Collecter-gatherer taxa COGAPIND % Collecter-gatherer individuals COGAPTAX % Collecter-gatherer taxa CRUSNTAX No. of Crustaceans taxa CRUSPIND % Crustaceans individuals CRUSPTAX % Crustaceans taxa DIPTNTAX No. of Diptera taxa DIPTPIND % Diptera individuals DIPTPTAX % Diptera taxa DOM1PIND % individuals in dominant distinct taxon DOM3PIND % individuals in dominant 3 distinct taxa DOM5PIND % individuals in dominant 5 distinct taxa EPHENTAX No. of Ephemeroptera taxa EPHEPIND % Ephemeroptera individuals EPHEPTAX % Ephemeroptera taxa EPOTNTAX "No. of Ephemeroptera, Plecoptera, Odonata, & Trichoptera taxa" EPOTPIND "% Ephemeroptera, Plecoptera, Odonata, & Trichoptera individuals" EPOTPTAX "% Ephemeroptera, Plecoptera, Odonata, & Trichoptera taxa" EPT_NTAX No. of EPT taxa EPT_PIND % EPT individuals EPT_PTAX % EPT taxa FACLNTAX No. of Facultative (3< PTV <7) taxa FACLPIND % Facultative (3< PTV <7) individuals FACLPTAX % Facultative (3< PTV <7) taxa HEMINTAX No. of Hemiptera taxa HEMIPIND % Hemiptera individuals HEMIPTAX % Hemiptera taxa HPRIME "Shannon diversity- sum of prop_i*ln(prop_i) based only on distinct taxa, where prop_i=proportion of species i in sample" INTLNTAX No. of Intolerant (PTV<=3) taxa INTLPIND % Intolerant (PTV<=3) individuals INTLPTAX % Intolerant (PTV<=3) taxa MITENTAX No. of Mite taxa MITEPIND % Mite individuals MITEPTAX % Mite taxa MOLLNTAX No. of Mollusca taxa MOLLPIND % Mollusca individuals MOLLPTAX % Mollusca taxa NOINNTAX No. of Non-insects taxa NOINPIND % Non-insects individuals NOINPTAX % Non-insects taxa NTOLNTAX No. of non-tolerants (PTV<6) taxa NTOLPIND % non-tolerants (PTV<6) individuals NTOLPTAX % non-tolerants (PTV<6) taxa ODONNTAX No. of Odonata taxa ODONPIND % Odonata individuals ODONPTAX % Odonata taxa OLLENTAX No. of Oligochaete and leech taxa OLLEPIND % Oligochaete and leech individuals OLLEPTAX % Oligochaete and leech taxa ORTHCHIRPIND % Chironomidae individuals in Orthocladiinae ORTHNTAX No. of Orthocladiinae chironomid taxa ORTHPIND % Orthocladiinae chironomid individuals ORTHPTAX % Orthocladiinae chironomid taxa PLECNTAX No. of Plecoptera taxa PLECPIND % Plecoptera individuals PLECPTAX % Plecoptera taxa PREDNTAX No. of Predators taxa PREDPIND % Predators individuals PREDPTAX % Predators taxa SCRPNTAX No. of Scrapers taxa SCRPPIND % Scrapers individuals SCRPPTAX % Scrapers taxa SHRDNTAX No. of Shredders taxa SHRDPIND % Shredders individuals SHRDPTAX % Shredders taxa SPWLNTAX No. of Sprawlers taxa SPWLPIND % Sprawlers individuals SPWLPTAX % Sprawlers taxa STOLNTAX No. of taxa with PTV>=8 STOLPIND % Individuals with PTV>=8 STOLPTAX % taxa with PTV>=8 SWIMNTAX No. of Swimmers taxa SWIMPIND % Swimmers individuals SWIMPTAX % Swimmers taxa TANYNTAX No. of Tanytarsini taxa TANYPIND % Tanytarsini individuals TANYPTAX % Tanytarsini taxa TL01NTAX No. of taxa with PTV<2 TL01PIND % Individuals with PTV <2 TL01PTAX % taxa with PTV<2 TL23NTAX No. taxa with PTV >=2 & <4 TL23PIND % individuals with PTV >=2 & <4 TL23PTAX % taxa with PTV>=2 & <4 TL45NTAX No. taxa with PTV >=4 & <6 TL45PIND % individuals with PTV >=4 & <6 TL45PTAX % taxa with PTV>=4 & <6 TL67NTAX No. taxa with PTV >=6 & <8 TL67PIND % individuals with PTV >=6 & <8 TL67PTAX % taxa with PTV>=6 & <8 TOLRNTAX No. of Tolerant (PTV>=7) taxa TOLRPIND % Tolerant (PTV>=7) individuals TOLRPTAX % Tolerant (PTV>=7) taxa TOTLNIND Number of individuals in sample TOTLNTAX Number of distinct taxa in sample TRICNTAX No. of Trichoptera taxa TRICPIND % Trichoptera individuals TRICPTAX % Trichoptera taxa TUBINAIDNTAX No. of Tubificidae and Naididae taxa TUBINAIDPIND % Tubificidae and Naididae individuals TUBINAIDPTAX % Tubificidae and Naididae taxa WTD_TV "Hilsenhoff Biotic Index (HBI), sum of TV_i*prop_i, where TV_i=tolerance value for species i and prop_i=proportion of taxon i in sample, based on all taxa in sample" PSTL_CODE "State two letter postal code for site sampled. 50 state postal codes plus AS, MP, GU, PR, VI for American Samoa, Commonwealth of Northern Marianas, Guam, Puerto Rico and Virgin Islands. No missing values allowed." SITE_ID "The NLA Site ID for the study and year sampled. Preferred form is NLAnn_MM-xxxxx where nn is current cycle year (07, 12, 17, etc), MM is two letter state code, and xxxxx is between 10001 and 99999. No missing values allowed." UNIQUE_ID "Unique site ID based on location that does not depend on year sampled or any other factor. Form is NLA_ss_nnnnn where ss state and nnnnn is number that starts at 10001. No missing or \blank\"" values allowed.""" DATE_COL Date of sample collection VISIT_NO Sequential number of visit to site |1|2 PUBLICATION_DATE Date the dataset was published to the NARS site UID Unique identifier for the site/visit