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Tytuł:
Rola zasad hodowli lasu w kształtowaniu trwałej wielofunkcyjności polskich lasów i leśnictwa
The role of the principles of forest management in the shaping of the sustainable multifunctionality of Polish forests and forestry
Autorzy:
Zajączkowski, J.
Powiązania:
https://bibliotekanauki.pl/articles/973283.pdf
Data publikacji:
2003
Wydawca:
Polskie Towarzystwo Leśne
Tematy:
hodowla lasu
lasy
Zasady hodowli lasu
wielofunkcyjność
leśnictwo
principles of forestry management
multifunctional forests and forestry
Opis:
Against the background of the solutions laid down in successive editions of Principles of forest management the paper presents their vital role in the shaping of the sustainable multifunctionality of Polish forests and forest management. It has been demonstrated that that the „Principles” of 1953/1955, which were based on ecological foundations and approached forest as an ecosystem, allowed to meet the economic and social goals of forest management. The subsequent editions of the „Principles” were open to any proposal that takes account of the nature and forest−related knowledge, as well as of social and economic conditions of functioning of the forest holding.
Źródło:
Sylwan; 2003, 147, 04; 3-9
0039-7660
Pojawia się w:
Sylwan
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Modelowanie wielkości użytkowania rębnego drzewostanów w zależności od przyjętych metod prognozowania rozwoju lasu
Modelling of the size of allowable cutting based on adopted methods of forest development forecast
Autorzy:
Szyc, K.
Borecki, T.
Stępień, E.
Kędziora, W.
Konieczny, A.
Orzechowski, M.
Wójcik, R.
Powiązania:
https://bibliotekanauki.pl/articles/979061.pdf
Data publikacji:
2020
Wydawca:
Polskie Towarzystwo Leśne
Tematy:
forestry use
forest development
modelling of usage regulation
Opis:
Many attempts have been made to develop a strategy for regulating forest use consistent with the multifunctional forest model. In this paper we present two proprietary methodologies of regulation of the allowable cutting size in a multifunctional forest in the 60−year time perspective. We assumed that all restrictions of nature protection and non−productive functions of the forest would still be in force. We based the first method on age class tables (TKW), which is faster but less exact in terms of spatial order of felling. The tree stand method (D−STAN) is based on stands spatial order and the cutting direction basis. In both cases, we based the temporal felling order on species rotation age. Comparing the results, we noticed that they present similar trends in the age structure of tree stands in younger age classes. The main discrepancies of the forecast concerns the share of forest stands in a complex structure: the TKW method gave approximately 12,4%, while the D−STAN one produced 5,1%. The latter approach shows that much smaller areas of stands are used for reconstruction. That marker is influenced by the spatial order of cutting used in the D−STAN model. In conclusion, we suggest to return to the big−area clear−cutting system on fresh coniferous habitats. Medium−area clear−cuttings should be brought back on the least fertile fresh mixed coniferous forests and possibly even fresh mixed deciduous forests.
Źródło:
Sylwan; 2020, 164, 04; 280-291
0039-7660
Pojawia się w:
Sylwan
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Próba oceny intensywności gospodarowania w Nadleśnictwie Łopuchówko w latach 1997-2000
An attempt at evaluation of intensity of mamagement in Łopuchówko forest inspectorate in years 1997−2000
Autorzy:
Szramka, H.
Sobalak, M.
Powiązania:
https://bibliotekanauki.pl/articles/1022689.pdf
Data publikacji:
2005
Wydawca:
Polskie Towarzystwo Leśne
Tematy:
Nadlesnictwo Lopuchowko
gospodarka lesna
intensywnosc gospodarowania
lesnictwo
forestry
intensity of management
Opis:
This study is an attempt to evaluate the intensity of management in the Łopuchówko Forest District Administration using a M. Hamrol's method. The method relies on studying the relationship sequence. The conducted study allows for the statement that this method can be applied in evaluating the intensity of management in forestry.
Źródło:
Sylwan; 2005, 149, 12; 37-44
0039-7660
Pojawia się w:
Sylwan
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Podstawowe założenia w nauczaniu hydrologii leśnej
Basic principles of the forest hydrology education programme
Autorzy:
Suliński, J.
Powiązania:
https://bibliotekanauki.pl/articles/1023271.pdf
Data publikacji:
2004
Wydawca:
Polskie Towarzystwo Leśne
Tematy:
hydrologia
lesnictwo
programy nauczania
forestry
forest hydrology
forest studies
education programme
Opis:
The paper provides the framework programme for the courses on forest hydrology that have been conducted in the Department of Forestry in the Agricultural Academy in Cracow since 1994. The objective of the paper is to present this programme including indispensable explanations justifying the adopted solutions. Water relations in a forest are described from the "position of the interior of a forest" i.e. with reference to the circulation of water between atmosphere, stand and soil determining the dynamics of the water content in the soil. At the same time, the changes in water content in the soil are the result of the modelling effect of forest vegetation.
Źródło:
Sylwan; 2004, 148, 06; 59-67
0039-7660
Pojawia się w:
Sylwan
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Uwarunkowania tworzenia programów uniwersyteckich studiów leśnych
Conditions for elaboration of university curricula in forestry
Autorzy:
Paschalis-Jakubowicz, P.
Bijak, S.
Stereńczak, K.
Powiązania:
https://bibliotekanauki.pl/articles/1008728.pdf
Data publikacji:
2012
Wydawca:
Polskie Towarzystwo Leśne
Tematy:
edukacja lesna
szkoly wyzsze
kierunki studiow
lesnictwo
programy nauczania
wymagania
higher education
forestry
curricula
Opis:
Forestry education at university level has a long and rich tradition, dating back to the nineteenth century. Since then there have been many fundamental changes both in defining the objectives and methods of education of foresters−to−be, because conducting education in the rapidly changing forest management requires a continuous adaptation of the curricula to the requirements of the development of civilisation. The challenge of forest education at the university level in the twenty first century is to find appropriate educational ways and tools referring to the paradigm shift expressed by the transition from teaching to learning, also as a constant process. Presentation of clear and effective methods of evaluating the quality of education and competencies acquired by graduates of university studies forest is of a great importance as well.
Źródło:
Sylwan; 2012, 156, 08; 572-580
0039-7660
Pojawia się w:
Sylwan
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Prawne aspekty leśnictwa miejskiego w Polsce
Legal aspects of urban forestry in Poland
Autorzy:
Jaszczak, R.
Ważyński, B.
Wajchman-Świtalska, S.
Powiązania:
https://bibliotekanauki.pl/articles/987089.pdf
Data publikacji:
2017
Wydawca:
Polskie Towarzystwo Leśne
Tematy:
lesnictwo
lasy miejskie
prawo lesne
kierunki zmian
Polska
forestry legislation
urban forests
supervision
management
Opis:
In Poland, the public believes that the main objective of urban forests is rather to conduct forest management focused on the recreational needs of residents than to produce timber. Considering this belief, it becomes reasonable to distinct the principles of forest management in urban forests from those related to the forests of the State Forests National Forest Holding. Because of the permanent presence of people in the city woods, the managing authorities of such areas should also educate the residents, while forest management should be subordinated to social functions, especially the recreational one. However, Poland lacks the unified system of managing the urban forests, not only at the national scale (there is no central independent organizational unit), but also at the level of individual cities, where various municipal units manage urban woodlands. In practice, each city has its own, individual solutions in this regard. The governing bodies of urban forests face with many problems in their activity. These problems are associated with a strong process of urbanization and human pressure on forest areas, while on the other hand there are no formal legal basis (laws, regulations, instructions) relating the municipal forests. The paper reviews the literature on urban forestry and urban forests worldwide to present the existing legislative frameworks and to propose some changes, based on the current Act on Forest. It was stated that urban forestry in Poland is located in its ‘narrow' definition, based on the traditional forestry, giving priority to the multiple social functions. The proposed changes in forest legislation are part of the discussion on municipal forests and urban forestry in Poland, aiming once again to draw attention to the fact that they are almost ignored in the Polish legislation. The indicated areas for improvements and supplements suggest issues the most important and urgent to solve, but they are not a comprehensive solution on this subject. In order to strengthen the supervision of urban forests in Poland, it is essential to consider the restoration of central supervision, coor− dinating activities of urban foresters by the development and implementation to the practice unified legal regulations, as well as to give wide autonomy to cities.
Źródło:
Sylwan; 2017, 161, 08; 659-668
0039-7660
Pojawia się w:
Sylwan
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Struktura wypadków przy pracy w Regionalnej Dyrekcji Lasów Państwowych w Szczecinku w latach 1990-2009
Structure of work accidents in the Regional Directorate of the State Forests in Szczecinek in the years 1990-2009
Autorzy:
Grzywiński, W.
Sawa, L.
Nowik, A.
Nowicki, G.
Powiązania:
https://bibliotekanauki.pl/articles/991714.pdf
Data publikacji:
2013
Wydawca:
Polskie Towarzystwo Leśne
Tematy:
lesnictwo
RDLP Szczecinek
wypadki przy pracy
prace lesne
wypadkowosc
work accident
frequency
severity
forestry
Opis:
The study analyses accident rate in the Regional Directorate of the State Forests in Szczecinek (NW Poland) in the years 1990−2009. 1042 accidents occurred in the analyzed period. The frequency rate equalled to 14.75, i.e. almost 15 accidents per 1000 employees. The severity rate amounted 48.65. The analysis showed that privatization of forest works did not have significant impact on accident rates.
Źródło:
Sylwan; 2013, 157, 06; 403-411
0039-7660
Pojawia się w:
Sylwan
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Cesarsko-Królewska Szkoła Leśniczych w Bolechowie
The Imperial and Royal Foresters School in Bolechow
Autorzy:
Krawczyk, J.
Powiązania:
https://bibliotekanauki.pl/articles/991496.pdf
Data publikacji:
2013
Wydawca:
Polskie Towarzystwo Leśne
Tematy:
lesnictwo
szkoly lesne
historia
Nizsza Szkola Lasowa w Bolechowie
school
history of forestry
education
bolechów
Opis:
Paper describes functioning of the Imperial & Royal Foresters School in Bolechów established in 1883 and closed in 1913 as the only school of that type in Galicia (south−eastern part of nowadays Poland and western Ukraine). The school was very popular as it was governmental entity and thus provided scholarships for the poorest pupils and graduation guaranteed the job in the forest authorities. Over 300 people graduated from that school.
Źródło:
Sylwan; 2013, 157, 07; 553-559
0039-7660
Pojawia się w:
Sylwan
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Historia prywatnych firm leśnych w Polsce w latach 1924-2010
History of private forest companies in Poland in the years 1924-2010
Autorzy:
Zastocki, D.
Powiązania:
https://bibliotekanauki.pl/articles/989277.pdf
Data publikacji:
2016
Wydawca:
Polskie Towarzystwo Leśne
Tematy:
lesnictwo
uslugi lesne
prywatyzacja
firmy lesne
przedsiebiorstwa lesne
historia
forestry
privatisation of forest services
forest companies
Opis:
The beginnings of private forest services sector date back to the interwar period when harvesting operations and sawmill services were carried out by private companies leading to forest devastation. Adam Loret, the first director−general of the State Forests, started to build the structure of forest administration and hire manual workers. After the World War II, forestry in Poland operated in a centrally planned economic system, which precluded the functioning of the private forest services sector. The development of private forest companies in Poland began in the early 1990s. The employed free−market economy forced the State Forests to introduce many reforms and modifications to forest management, forest operations, as well as to the trading and sales of timber. All forest operations are being outsourced to private forest companies. Forest districts select bidders to perform the required forest operations according to the existing procedures, while ensuring the favourable conditions for the creation of new jobs. Forest companies face many difficulties to meet the growing demands laid down by the forest administration staff in tender specifications. The paper presents the current status of the private forest services sector, and describes the trends in the development of private forest companies providing services to the State Forests.
Źródło:
Sylwan; 2016, 160, 06; 466-474
0039-7660
Pojawia się w:
Sylwan
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Wykorzystanie Sieci Neuronowych wspomagających SIP w analizach przestrzennych w leśnictwie
Use of GIS supported by Artificial Neural Networks in spatial analyses in forestry
Autorzy:
Tracz, W.
Powiązania:
https://bibliotekanauki.pl/articles/1024317.pdf
Data publikacji:
2003
Wydawca:
Polskie Towarzystwo Leśne
Tematy:
analiza przestrzenna
sieci neuronowe
System Informacji Przestrzennej
wykorzystanie
lesnictwo
forestry
spatial analysis
gis
artificial neural networks
Opis:
Complex, new and insufficiently recognised issues that appear as the result of multifunctional approach towards forest management need application of sophisticated techniques and analytical methods supporting the State Forests' IT Systems (State Forests Information System SIL) and Geographical Information System GIS). The authors take efforts to elucidate the usefulness and effectiveness of one of Artificial Intelligence methods − Artificial Neural Networks which support GIS in spatial analyses in forestry.
Źródło:
Sylwan; 2003, 147, 12; 36-44
0039-7660
Pojawia się w:
Sylwan
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Miejsce i rola funduszu leśnego w systemie finansowym Lasów Państwowych
The role of the Forestry Fund in State Forests financial system
Autorzy:
Piekutin, J.
Gruchała, A.
Powiązania:
https://bibliotekanauki.pl/articles/1019348.pdf
Data publikacji:
2006
Wydawca:
Polskie Towarzystwo Leśne
Tematy:
Fundusz Lesny
Polska
Panstwowe Gospodarstwo Lesne Lasy Panstwowe
lesnictwo
finanse
financial system
forestry fund
forest management financing
Opis:
For the time being the Forestry Fund is a integral part of the State Forests financial system. Forestry Fund has been introduced to forest management practice about 30 years ago. During the last a few decades its the rules of thumb were many times modified and changed. The paper presents the most important Forestry Fund modifications which took place in the past and its role for Polish forestry of today.
Źródło:
Sylwan; 2006, 150, 02; 37-45
0039-7660
Pojawia się w:
Sylwan
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Waloryzacja przyrodnicza zasobów leśnych w skali nadleśnictwa na przykładzie lasów Nadleśnictwa Jabłonna – studium metodologiczne
Autorzy:
Pawlowski, G.
Powiązania:
https://bibliotekanauki.pl/articles/972797.pdf
Data publikacji:
2003
Wydawca:
Polskie Towarzystwo Leśne
Tematy:
waloryzacja przyrodnicza
lasy
zasoby lesne
Nadlesnictwo Jablonna
lesnictwo
multifunctional forestry
forest evaluation
forest functions
Jablonna Forest Discrict
Opis:
The method of valuation of functions forest natural resources in the scale of forest district in Poland is proposed. Protective, productive and social functions of forest located in lowlandarea near Warsaw were evaluated. For each function the specyfic criteria for ranking were elaborated.
Źródło:
Sylwan; 2003, 147, 07; 53-68
0039-7660
Pojawia się w:
Sylwan
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Analiza wybranych czynników w procesach globalizacyjnych i ich wpływ na kierunki zmian w światowym leśnictwie. I. Założenia metodyczne
Analysis of selected factors in the globalisation processes and their impact on trends in global forestry. I. Methodological assumptions
Autorzy:
Paschalis-Jakubowicz, P.
Powiązania:
https://bibliotekanauki.pl/articles/1009546.pdf
Data publikacji:
2010
Wydawca:
Polskie Towarzystwo Leśne
Tematy:
lesnictwo
lasy
funkcje lasu
kierunki zmian
globalizacja
metodyka badan
globalization of forests and forestry
trends and changes
Opis:
The primary scientific objectives of this study are to develop a methodology of research as well as to identify and describe groups of factors affecting the processes influencing the world forests and forestry. The scope of research includes an analysis of results published in more than 1000 papers, hundreds of reports and analysis prepared for the negotiating teams participating in meetings of the Climate Convention and Kyoto Protocol, Convention on Biological Diversity, the UN Commission on Sustainable Development, FAO Timber Committee, the Standing Forest Committee of the European Union, the United Nations Forum on Forests and the Ministerial Process Protection of Forests in Europe. Paper presents the complex processes of conditioning, which is subject to global forestry, and the obtained results are original, verifying in many areas of current scientific understanding of global forestry.
Źródło:
Sylwan; 2010, 154, 01; 3-14
0039-7660
Pojawia się w:
Sylwan
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Rozwój i regres sieci kolei leśnych w Polsce
Development and decline of the forest railways in Poland
Autorzy:
Ciechański, A.
Powiązania:
https://bibliotekanauki.pl/articles/989955.pdf
Data publikacji:
2015
Wydawca:
Polskie Towarzystwo Leśne
Tematy:
lesnictwo
drewno
transport lesny
kolejki lesne
sieci kolejowe
historia
stan obecny
Polska
history of forestry
forest railways
Opis:
The development and the decline of forest railway networks in Poland are still poorly investigated by scientists. Unfortunately, the availability of data is limited, therefore paper is focused on the period after the Second World War. In this time almost 40 forest railways were exploited. A synthetic review of the history of the most of them is carried out on the regional basis. The main reasons of the forest railway networks development includes massive harvest done in the forests by the occupants and the lack of paved roads in forest areas. The reasons of the decline of the network were similar as in the case of sugar beet railways: exploitation of the rolling stock and infrastructure, supply problems and the development of alternative means of transport, as well as the outflow of workforce and declining availability of wood sources near the railway tracks, which resulted in increasing costs of haulage. In some regions of Poland the restrictions in use of forest railways are also caused by the preservation of the natural environment.
Źródło:
Sylwan; 2015, 159, 11; 940-947
0039-7660
Pojawia się w:
Sylwan
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Polityka leśna państwa pruskiego na obecnych ziemiach polskich w latach 1772-1914
Forest policy of Prussian state in the contemporary Polish lands in years 1772-1914
Autorzy:
Jażdżewski, K.
Modrzejewski, A.
Powiązania:
https://bibliotekanauki.pl/articles/993803.pdf
Data publikacji:
2013
Wydawca:
Polskie Towarzystwo Leśne
Tematy:
lesnictwo
historia
Prusy
lasy
polityka lesna
zabor pruski
lata 1772-1914
forest policy
history of forestry
industrialization
prussia
Opis:
Article describes Prussian forest policy according to three kinds of property: state, private and other, i.e. Catholic Church and local communities. In period 1772−1914, in the contemporary western and northern Poland, the Prussian government realized the forest policy that was a response to industrial challenges. It established a stable infrastructure, which lasts until now. However, the consequences of this policy are not unequivocal. Citizens who belonged to the Polish national community very often lost their forest property. Prussian state became the main owner and manager as well as administrator of forests.
Źródło:
Sylwan; 2013, 157, 01; 63-70
0039-7660
Pojawia się w:
Sylwan
Dostawca treści:
Biblioteka Nauki
Artykuł
Wyświetlanie 1-15 z 50

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