1) Soubor lokality.csv popisuje charakter lokalit


das - distance to the source (km * 10)

alt - altitude (m)

pen (ln(x + 1) where x is the slope (per mil * 100)

deb - minimum average debit (m3/s *100)

pH (* 10)

dur - total hardness of water (mg/l of Calcium)

pho - phosphates (mg/l * 100)

nit - nitrates (mg/l * 100)

amm - ammonia nitrogen (mg/l * 100)

oxy - dissolved oxygen (mg/l * 10)

dbo - biological demand for oxygen (mg/l * 10)


2) Soubor ryby.csv popisuje abundance (početnost) ryb na dané lokalitě


CHA - Cottus gobio

TRU - Salmo trutta fario

VAI - Phoxinus phoxinus

LOC - Nemacheilus barbatulus

OMB - Thymallus thymallus

BLA - Telestes soufia agassizi

HOT - Chondrostoma nasus

TOX - Chondostroma toxostoma

VAN - Leuciscus leuciscus

CHE - Leuciscus cephalus cephalus

BAR - Barbus barbus

SPI - Spirlinus bipunctatus

GOU - Gobio gobio

BRO - Esox lucius

PER - Perca fluviatilis

BOU - Rhodeus amarus

PSO - Lepomis gibbosus

ROT - Scardinius erythrophtalmus

CAR - Cyprinus carpio

TAN - Tinca tinca

BCO - Abramis brama

PCH - Ictalurus melas

GRE - Acerina cernua

GAR - Rutilus rutilus

BBO - Blicca bjoerkna

ABL - Alburnus alburnus

ANG - Anguilla anguilla