primeval forest
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Forests ◽  
2021 ◽  
Vol 12 (12) ◽  
pp. 1744
Author(s):  
Leszek Hejduk ◽  
Ewa Kaznowska ◽  
Michał Wasilewicz ◽  
Agnieszka Hejduk

The occurrence of hydrological drought, caused by rainfall deficiency, poses a threat to forest areas—not only due to the danger of fire, but as a result of changes in habitat conditions. It is predicted that more frequent periods of drought and high temperatures will reduce the stability of forests and increase their susceptibility to industrial pollution, pressure from insect pests, fungal pathogens, and fires. The main aim of this study was to investigate the current streamflow droughts in the catchment area of the Narewka River as an indicator of hydrological droughts in the Białowieża Primeval Forest for the period 1951–2020. The research presented in this paper shows that low flows of surface waters have appeared as an indicator of hydrological droughts almost every year since 1983. The analysis of the trend over the past 70 years shows that the aggregated annual volumes of low flows and the number of days with low flows are increasing significantly. This indicates a significant and relatively permanent change in the seasonal structure of the river runoff in the event of low summer flow.


Geoderma ◽  
2021 ◽  
Vol 401 ◽  
pp. 115210
Author(s):  
Wenjie Wan ◽  
Donglan He ◽  
Xiang Li ◽  
Yonghui Xing ◽  
Song Liu ◽  
...  

2021 ◽  
Vol 48 (2) ◽  
pp. 325-336
Author(s):  
A. Ričkienė ◽  
P. Daszkiewicz ◽  
A. Fedotova ◽  
T. Samojlik

The first scientific description of the flora of the Białowieża Primeval Forest (Puszcza Białowieska) was published in 1829 in Stanisław Batys Gorski’s paper “O roślinach żubrom upodobanych, jakoteż innych w puszczy Białowiezkiey [About preferred plants of the European bison and other plants from the Białowieża Primeval Forest]”. This publication comprised the first critical evaluation of the plant species present in the forest based on several field surveys during 1822, 1823 and 1826 by Gorski, and it dismissed the popular hypothesis that the European bison ( Bison bonasus) survived there because some of its preferred forage plants were exclusively found in the forest. To assess the importance of Gorski’s contribution to studies on the flora of the Białowieża Primeval Forest, we critically evaluated all his materials on the topic, including manuscripts, plant specimens collected by Gorski now preserved in Vilnius University Herbarium and his published works, and also traced all mentions and references to Gorski’s studies in later botanical works devoted to the Białowieża Primeval Forest.


Diversity ◽  
2021 ◽  
Vol 13 (10) ◽  
pp. 476
Author(s):  
Jerzy Błoszyk ◽  
Tomasz Rutkowski ◽  
Agnieszka Napierała ◽  
Szymon Konwerski ◽  
Michał Zacharyasiewicz

The importance of dead wood in forest ecosystems for the existence of invertebrates has been widely discussed in the literature. The major aim of this study is to test the hypothesis that the presence of dead wood in forests considerably increases the species diversity of Uropodina (Acari: Parasitiformes) communities in a given area. The areas selected for the study are unique from a natural point of view. They are the Białowieża Primeval Forest, Cisy Staropolskie im. Leona Wyczółkowskiego Nature Reserve, and five oak-hornbeam nature reserves in western Poland. The study is based on materials collected since the 1960s of the last century. The highest number of species (37) both in soil and dead wood microhabitats was recorded in the Białowieża Primeval Forest and Cisy Staropolskie Nature Reserve, though the dead wood material from the second area contained the highest number of species (33). The results of the analysis show that the presence of dead wood increases species diversity of Uropodina communities in all locations under scrutiny. Moreover, dead wood increases the species diversity of Uropodina communities by attracting rare and stenotopic species, and therefore leaving dead trees in forests is extremely important for the habitat protection of these species.


2021 ◽  
Author(s):  
Roksolana Petrovska ◽  
Peter Brang ◽  
Arthur Gessler ◽  
Harald Bugmann ◽  
Martina Lena Hobi
Keyword(s):  

Forests ◽  
2021 ◽  
Vol 12 (5) ◽  
pp. 518
Author(s):  
Małgorzata Ruszkiewicz-Michalska ◽  
Monika Kozłowska ◽  
Mateusz Wilk ◽  
Katarzyna Janik-Superson ◽  
Wiesław Mułenko

The history of mycological research and current activities in the Polish part of the Białowieża Primeval Forest are presented. The review of literature-derived and unpublished data on species of non-lichenized fungi and protozoan and chromistan fungal analogues indicates a minimum of 3504 species observed in this area. The gaps in the exploration of fungi: unstudied taxa, plant communities, habitats, hosts, and substrates, as well as the limitations of former studies, are discussed. Our estimates show that a total of 8000 fungal species possibly occur in the Białowieża National Park alone, and more than 10,000 are expected to be found in the Polish part of the Białowieża Primeval Forest. Despite more than a centennial history of mycological research, the majority of data come from only a few older scientific projects and several more recent citizen-science-related activities, emphasizing the need for a modern, interdisciplinary study on the diversity and ecology of fungi in this area.


Author(s):  
Agnieszka Napierała ◽  
Jerzy Błoszyk

AbstractThe necessity of monitoring changes occurring in soil compels us to look for new methods that will allow easy and precise evaluation of the soil quality in a given area. One proposed method is the maturity index (MI) – an index that is based on the distribution of species along the r-to-K continuum in examined populations. In this study, mites from the suborder Uropodina (Acari: Mesostigmata) were examined for their appropriateness in MI-based assessments of soil quality. The first aim of the study was to establish the criteria on the basis of which the evaluation of the r-to-K reproductive strategies was conducted for Uropodina in the examined communities. The second aim was to evaluate the performance of the maturity index of communities of Uropodina as indicator of human-caused disturbance in five areas that are legally protected in Poland. The selected areas were: Białowieża Primeval Forest, Gorce National Park, and three nature reserves: Jakubowo, Las Grądowy nad Mogilnicą, and Cisy Staropolskie im. Leona Wyczółkowskiego. We found that as many as 68 out of the 96 analyzed Uropodina species in Poland are K-stategists. The highest values of the maturity index were recorded for the nature reserves Cisy Staropolskie im. Leona Wyczółkowskiego and the Białowieża Primeval Forest.


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