The study examines demographic processes and the resulting challenges for development of areas at risk depopulation. research covered regions defined as NUTS 2 in European Union nomenclature classified Eastern Poland Macroregion Polish regional policy. This macroregion is counted among peripheral Poland. taking place within these regions, especially many local administrative units (LAU 2), poin...

The aim of the analysis was to determine changes in level spatial concentration production Poland years 1990-2020. includes output and commodity production, basic agricultural raw materials, livestock cattle, cows, pigs, hens animals converted LU, yield milk cows. study used data from Central Statistical Office Local Data Bank. In order limit short-term variability, especially crop five-year av...

Dead wood is an important microhabitat for Uropodina mites (Acari: Mesostigmata). Earlier research has shown that dead contains about 1/3 of the found so far in Poland, and its presence increases overall biodiversity forest ecosystems by 40%. The major aim current study to assess geographical variation species diversity inhabiting Poland other European countries. samples from (1180 total) were ...

Abstract Subject and purpose of work This paper analyzes the level knowledge-based economy (KBE) in terms sustainable development across provinces (voivodships) Poland 2020. The underlying assumption this study is that knowledge skills are one fundamental preconditions for successfully implementing concept development. Materials methods In order to calculate rankings Polish voivodships a synthe...

conclusions hiv/hcv co-infection is an important medical problem in north-eastern poland. a history of incarceration and younger age at hiv diagnosis were additional to idu risk factors for hcv seropositivity in this cohort. patients and methods adult hiv-1 infected patients, with at least one antihcv result, treated in one of polish hiv/aids reference centers, participated in this cross-sectio...

Abstract Introduction Loss of pregnancy in mares is a major cause economic and emotional impact for horse breeders. It can have many different infectious noninfectious causes. The aim this study was identification the main viral causes abortion Poland based on tissue samples from 180 aborted foetuses submitted testing between 1999 2022. Material Methods Tissues collected studs throughout were t...

The way in which customs district chiefs functioned the Kingdom of Poland early 1850 has not received much attention so far, either among traditional historians or researchers administrative structures. position chief was one most important posts administration Russian Empire. Clerks employed on this were supervisors institutions and structures border guards operating Romanov monarchy. Customs ...

in poland the conservation program of atlantic sturgeon acipenser oxyrinchus is conducted during over 10 years by inland fisheries institute in olsztyn, poland. material of a. oxyrinchus is annually transported from canada to poland and the broodstock of this species is created. part of imported fish material is breed and released into local rivers e.g. drweca river, vistula river. all the impo...

the aim of the study was to assess regional differences in selenium content in the environment based on analysis of the se concentrations in liver and kidney of red deer from central, northern, south-eastern and south-western poland. the level of selenium in organs was determined using spectrofluorometric methods. the mean concentration of selenium in the liver and kidney of red deer was 0.084 ...