Czech Arachnological Society
Quadrate Calculation from Coordinates
Declaration and names of proposed categories of Redlist
Category according to IUCN 2001
RE |
CR |
EN |
VU |
NT |
LC |
DD |
NE |
Regionally extinct |
Critically Endangered |
Endangered |
Vulnerable |
Near Threatened |
Least Concern |
Data Deficient |
Not Evaluated |
Proposal of Categories for Redlist of CR
RE |
CR |
EN |
VU |
NT |
LC |
N Nezvěstný |
KO Kriticky ohrožený |
SO Silně ohrožený |
O Ohrožený |
TO Téměř ohrožený |
NO Není ohrožený |
CRITERIA OF CATEGORY |
no finding more than 50 years |
few of localities, fixed on endangered and very rare biotops |
few of localities, fixed on endangered biotops |
more of localities, fixed on endangered biotops |
abundant species, fixed on natural biotops |
residual species |
TYPICAL MEMBERS OF CATEGORY |
Steatoda meridionalis Gibbaranea ulrichi Euryopis episinoides Hylyphantes nigrinus Phlegra bresnieri Titanoeca tristis Urozelotes rusticus |
Pardosa maisa Alopecosa psammophila Eresus moravicus Pardosa wagleri |
Eresus sandaliatus Atypus muralis Arctosa cinerea Arctosa perita Arctosa maculata Dasumia carpatica |
Atypus piceus Eresus kollari Hygrolycosa rubrofasciata Dolomedes fimbriatus Arctosa lamperti Dysdera ninni |
Atypus affinis Arctosa leopardus Arctosa figurata Arctosa lutetiana Pirata piscatorius Harpactea lepida Dysdera hungarica Dysdera lantosquensis |
Pardosa agrestis |