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Wyszukujesz frazę "forest conversion" wg kryterium: Temat


Tytuł:
Problematyka przebudowy w urządzaniu lasu
Problems of conversion in forest management
Autorzy:
Miś, R.
Powiązania:
https://bibliotekanauki.pl/articles/1018670.pdf
Data publikacji:
2006
Wydawca:
Polskie Towarzystwo Leśne
Tematy:
przebudowa drzewostanow
lesnictwo
urzadzanie lasu
forest conversion
regulation
group clear cutting system
Opis:
The paper presents a description of the concept of a forest regulation method in the forest conversion system and a comparative analysis of its features as exemplified by the Siemianice Experimental Forest Range, Zielonka Experimental Forest Range and Łopuchówko Forest Range, Kąty working circle. In addition, the study also offers detailed data concerning the method of realisation of the mature pine stand reconstruction by a group clear cutting system performed on the experimental surface in the Podanin Forest District and the results obtained after 20 years.
Źródło:
Sylwan; 2006, 150, 12; 12-26
0039-7660
Pojawia się w:
Sylwan
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Praktyczne zagadnienia gospodarstwa przebudowy w urządzaniu lasu
The practical issues of stand conversion in forest management planning
Autorzy:
Gajewski, D.
Zajączkowski, S.
Powiązania:
https://bibliotekanauki.pl/articles/1018646.pdf
Data publikacji:
2006
Wydawca:
Polskie Towarzystwo Leśne
Tematy:
plan urzadzania lasu
przebudowa drzewostanow
lesnictwo
urzadzanie lasu
gospodarstwa przebudowy
stand conversion
forest conversion system
conversion yield
yield regulation
Opis:
The article presents the differentiated approach, over the past decades, to conversion planning in the phase of management operations. The current approach to establishing a stand conversion holding is illustrated with the examples. The authors of the article put emphasis on the most important tasks for forest management practice and the need for a practical revision of the existing proposals.
Źródło:
Sylwan; 2006, 150, 12; 39-50
0039-7660
Pojawia się w:
Sylwan
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Koncepcja kwalifikowania drzewostanów do przebudowy
The concept of classifying the forest stands for conversion
Autorzy:
Łopiński, L.
Stępień, E.
Powiązania:
https://bibliotekanauki.pl/articles/1015678.pdf
Data publikacji:
2008
Wydawca:
Polskie Towarzystwo Leśne
Tematy:
kryteria kwalifikacji
drzewostany
przebudowa drzewostanow
lesnictwo
forest stand conversion
silviculture objective
forest stand stability
stock level
forest functions
conversion urgency
Opis:
The paper presents a set of criteria helpful in assessment of the conversion need. Variant I assumes the analysis of the multifunctional forest redevelopment need i.e. with no priority function. Variant II allows typing the forest stands that need conversion based on the possibility of playing a recreational, protection and productive function. The presented classification of forest stands based on the conversion need and its urgency was conducted on the basis of data from the forest inventory.
Źródło:
Sylwan; 2008, 152, 05; 34-43
0039-7660
Pojawia się w:
Sylwan
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Wybrane problemy projektowania przebudowy w urządzaniu lasu
Selected problems of reconstruction design in the forest management
Autorzy:
Miś, R.
Powiązania:
https://bibliotekanauki.pl/articles/1012414.pdf
Data publikacji:
2008
Wydawca:
Polskie Towarzystwo Leśne
Tematy:
produkcyjnosc
gospodarka zrownowazona
gospodarka lesna
lasy
przebudowa drzewostanow
lesnictwo
urzadzanie lasu
ochrona bioroznorodnosci
projektowanie
forest conversion
sustainability
sustain development
biodiversity
production
Opis:
The paper presents the concept of forest conversion and its relations to sustainability, sustained development, biodiversity and productivity of forests. Reconstruction of individual stands should be supported by models that allow to choose an appropriate scenario of the development of the new forest generation in the course of conversion and afterwards.
Źródło:
Sylwan; 2008, 152, 01; 45-52
0039-7660
Pojawia się w:
Sylwan
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Wzrost odnowień na gruntach porolnych prowadzonych w ramach przebudowy drzewostanu metodą sztucznych luk
Growth of broadleaved species on post-agricultural lands introduced during the process of stand conversion with a use of artificial gaps
Autorzy:
Zachara, T.
Powiązania:
https://bibliotekanauki.pl/articles/1291881.pdf
Data publikacji:
2019
Wydawca:
Instytut Badawczy Leśnictwa
Tematy:
lesnictwo
grunty porolne
hodowla lasu
odnowienia lasu
sosna zwyczajna
Pinus sylvestris
huba korzeni
przebudowa drzewostanow
luki drzewostanowe
gatunki domieszkowe
dab bezszypulkowy
buk zwyczajny
lipa drobnolistna
przebudowa drzewostanu
dąb bezszypułkowy
Scots pine
root-rot fungus
forest conversion
sessile oak
common beech
small-leaved lime
Opis:
This paper presents results on the restoration of Scots pine stands established on post-agricultural lands undergoing conversion into mixed stands. Sessile oak (Quercus petraea), common beech (Fagus sylvatica) and small-leaved lime (Tilia cordata) seedlings were planted in artificially created gaps (0,02 ha to 0,05 ha each) cut in six experimental plots (Forest Districts: Bielsk, Krynki, Sobibór, Dobieszyn, Skrwilno and Łupawa) located in 20–25-years-old pine stands. The experimental plots were spread across northern, central and eastern Poland and affected by root-rot fungus (Heterobasidion annosum). Nine years after planting, the number of individual trees and shrub species, their height sum and average height were calculated for fenced artificial gaps (LSO) as well as non-fenced artificial gaps (LSN) and compared to natural gaps (LN) and non-disturbed neighboring stands (D). Results were calculated separately for the planted species (oak, lime and beech) but combined for all other species. The results indicate satisfactory restoration in all of the investigated plots except in Krynki, which is located in a relatively poor site. Significant differences appeared between height sum as well as average height of planted species in fenced compared to non-fenced gaps. Furthermore, in both, natural and artificial gaps, the species composition of the young generation was enriched with natural regeneration of pioneer species, mainly silver birch (Betula pendula), rowan (Sorbus aucuparia) and aspen (Populus tremula).
Źródło:
Leśne Prace Badawcze; 2019, 80, 4
1732-9442
2082-8926
Pojawia się w:
Leśne Prace Badawcze
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Species conversion of spruce stands in the Wisła Forest District
Autorzy:
Skrzyszewski, J
Skrzyszewska, K.
Powiązania:
https://bibliotekanauki.pl/articles/41743.pdf
Data publikacji:
2004
Wydawca:
Polska Akademia Nauk. Instytut Dendrologii PAN
Tematy:
Wisla Forest District
spruce
Picea abies
Istebna spruce
seed stand
spruce stand
forest tree
species conversion
Opis:
The paper provides some guidelines on the choice of the target species compositions for plantations that would replace monocultural spruce stands growing on the sites of the Silesian Beskid Mts. Part of the guidelines relates to the rules governing the sequence in which the monocultures will be converted into mixed stands. It is suggested that those rules should be combined with the principles of the establishment of progenyplantations. The seed stands of the Istebna spruce are experimentally divided into four categories according to their abilityto perform the function of a seed stand. The following features of the stands are analysed: vitality, density, stage of regeneration, protective and cultural functions. The paper contains also an outline of the methods of species conversion and the relevant references.
Źródło:
Dendrobiology; 2004, 51 Supplement
1641-1307
Pojawia się w:
Dendrobiology
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Potrzeby przebudowy drzewostanów w Lasach Państwowych
The needs related to the reconstruction of stands in the State Forests
Autorzy:
Czuba, M.
Powiązania:
https://bibliotekanauki.pl/articles/1018668.pdf
Data publikacji:
2006
Wydawca:
Polskie Towarzystwo Leśne
Tematy:
drzewostany gospodarcze
przebudowa drzewostanow
Panstwowe Gospodarstwo Lesne Lasy Panstwowe
lesnictwo
forest management plan
adjustment of stands to site conditions
managed forest type
complete stand
conversion
partial stand conversion
Opis:
The paper presents a division of the State Forests stands by the degree of adjustment of species composition of stands to site conditions. An assumption was made that the stands whose species composition is not adjusted to the occupied biotope should be urgently rebuilt, especially those featuring low stability.
Źródło:
Sylwan; 2006, 150, 12; 33-38
0039-7660
Pojawia się w:
Sylwan
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Przesłanki optymalnego wyboru rębni w lasach polskich Karpat
Preconditions for optimal choice of the cutting system in the Polish Carpathian forests
Autorzy:
Twaróg, J.
Powiązania:
https://bibliotekanauki.pl/articles/1026517.pdf
Data publikacji:
2003
Wydawca:
Polskie Towarzystwo Leśne
Tematy:
Karpaty
rebnie
lasy gorskie
lesnictwo
gory
mountain stand
carpathians
forest function
forest types
silvicultural objectives
cutting systems
stand conversion
Opis:
The author provides arguments for not using clear cuts in the mountains, limiting the large−scale shelterwood system and recommends the Swiss irregular shelterwood, and, under certain conditions, the shelterwood−group and irregular group−strip systems. He presents types of forest stands in the ownership of the State Forests Holding in Polish Carpathians (beech, fir, spruce, pine and alder forests), silvicultural objectives and felling systems favouring the attainment of these objectives.
Źródło:
Sylwan; 2003, 147, 02; 30-38
0039-7660
Pojawia się w:
Sylwan
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Annual dynamics of natural regeneration of silver birch (Betula pendula Roth) on a research plot located in the area of forest decline in the Silesian Beskid Mountains
Autorzy:
Ambrozy, S.
Powiązania:
https://bibliotekanauki.pl/articles/38649.pdf
Data publikacji:
2010
Wydawca:
Instytut Badawczy Leśnictwa
Tematy:
annual dynamics
natural regeneration
silver birch
Betula pendula
plot
forest decline
forest area
conversion
regeneration development
Silesian Beskids Mountains
Opis:
The study shows a high dynamics approximately five-year-old natural regeneration of silver birch (Betula pendula Roth) growing on the research plot located in the fertile mountain habitat in the middle of the lower montane forest zone in the Silesian Beskid Mountains (Beskid Śląski) compared to its co-occurring species. The dynamics is expressed as a significant annual increment in height and diameter of birch trees, leading in consequence to the appearance of an older sapling phase for most regenerations of this species. This creates the possibility of early undercanopy planting of tree species adjusted to the site conditions, mainly silver fir (Abies alba Mill.) and European beech (Fagus sylvatica L.).
Źródło:
Folia Forestalia Polonica. Series A . Forestry; 2010, 52, 2
0071-6677
Pojawia się w:
Folia Forestalia Polonica. Series A . Forestry
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Hodowlane kryteria kwalifikowania drzewostanów do przebudowy
The silvicultural criteria of qualifying for conversion
Autorzy:
Zajączkowski, J.
Powiązania:
https://bibliotekanauki.pl/articles/1018655.pdf
Data publikacji:
2006
Wydawca:
Polskie Towarzystwo Leśne
Tematy:
kryteria kwalifikacji
przebudowa drzewostanow
lesnictwo
cele hodowlane
conversion
pine and spruce stands
broadleaved forest habitats
Opis:
The paper presents the results of research carried out by Polish and foreign scientists on the impact of pine and spruce stands on fertile forest habitats and formulates recommendations for the rationalisation of conversion operations in these stands.
Źródło:
Sylwan; 2006, 150, 12; 27-32
0039-7660
Pojawia się w:
Sylwan
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Cele hodowlane i ich realizacja w przebudowie drzewostanów
Silvicultural aims and their realisation in stand conversion
Autorzy:
Bernadzki, E.
Powiązania:
https://bibliotekanauki.pl/articles/1018678.pdf
Data publikacji:
2006
Wydawca:
Polskie Towarzystwo Leśne
Tematy:
przebudowa drzewostanow
lesnictwo
cele hodowlane
stand conversion
silvicultural aim
forest succession
pioneer species
silvicultural risk
Opis:
Owing to the unpredictability of changes in a habitat, a silvicultural aim should be treated as a "vision" of the future stand and adjusted in the course of its development. To meet the rational principles of stand conversion, it is necessary to fully use the natural processes occurring in forest ecosystems. More attention should be given to the species of early succession stages, which are better adapted to the changing habitat conditions, and richer species composition should be ensured to disperse silvicultural risks.
Źródło:
Sylwan; 2006, 150, 12; 3-11
0039-7660
Pojawia się w:
Sylwan
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Ocena potrzeb przebudowy drzewostanów w zależności od dominującej funkcji lasu
Evaluation of stand conversion needs depending on the dominant function of forest
Autorzy:
Łopiński, L.
Powiązania:
https://bibliotekanauki.pl/articles/1013162.pdf
Data publikacji:
2008
Wydawca:
Polskie Towarzystwo Leśne
Tematy:
lasy ochronne
przebudowa drzewostanow
lesnictwo
ocena
las wielofunkcyjny
potrzeby przebudowy
lasy gospodarcze
stand conversion
silvicultural objective
stand stability
standing stock level
forest functions
conversion urgency
Opis:
The scope of the study embraces an analysis of conversion needs of the multifunctional forest, that is a forest without a designated priority function (Variant I) and enables selection of stands requiring conversion because of the possibility of their playing recreational, protective and productive functions (Variant II). Stand classification with regard to stand conversion and its urgency was performed on the basis of forest inventory data. The developed concept was verified on the selected stands in the Ostrów Mazowiecka Forest District. The adopted system proved useful for making the evaluation of conversion needs more objective, taking into account the specifics of the forest's primary function.
Źródło:
Sylwan; 2008, 152, 08; 17-24
0039-7660
Pojawia się w:
Sylwan
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Potential for genetic conversion of Norway spruce Picea abies (L.) Karst. stands and methods for preserving gene resources of Istebna race in Silesian Beskid Mts
Autorzy:
Sabor, J
Powiązania:
https://bibliotekanauki.pl/articles/41439.pdf
Data publikacji:
2004
Wydawca:
Polska Akademia Nauk. Instytut Dendrologii PAN
Tematy:
Silesian Beskids Mountains
Norway spruce
forest tree
Picea abies
genetic conversion
genetic value
silvicultural value
species composition
regeneration
forest site type
tree stand
population genetics
Opis:
The forests of the Silesian Beskid Mts have a specific composition with a marked dominance of Norway spruce. Although spruce stands are seriously threatened, some of them, such as those of Istebna race, show excellent genetic value. The work stresses the need for the conversion of spruce stands in the Silesian Beskid range on the basis of population genetics and describes the principles of such conversion.
Źródło:
Dendrobiology; 2004, 51 Supplement
1641-1307
Pojawia się w:
Dendrobiology
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Problem przebudowy lasów górskich
Mountain forest conversion
Autorzy:
Przybylska, K.
Zięba, S.
Kołodziej, Z.
Powiązania:
https://bibliotekanauki.pl/articles/1016220.pdf
Data publikacji:
2007
Wydawca:
Polskie Towarzystwo Leśne
Tematy:
Zasady hodowli lasu
lasy gorskie
przebudowa drzewostanow
lesnictwo
urzadzanie lasu
stand conversion
nurse crop
target species composition
forest valorisation
Opis:
The study presents a system of evaluation of stand conversion needs. The system enables stand classification with regard to conversion urgency on the basis of a combination of six stand characteristics selected for their usefulness for such evaluation. These are: maturity for conversion, degree of adjustment of species composition of the regeneration to the habitat conditions, degree of coverage by a stand, degree of coverage by regeneration, degree of healthiness. The silvicultural rules adapted to the specifics in mountain regions are an integral part of the study.
Źródło:
Sylwan; 2007, 151, 07; 3-14
0039-7660
Pojawia się w:
Sylwan
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Koncepcja oceny stanu drzewostanów na podstawie wybranych cech taksacyjnych
A concept of stand condition assessment based on selected taxation characteristics
Autorzy:
Łopiński, L.
Powiązania:
https://bibliotekanauki.pl/articles/1015624.pdf
Data publikacji:
2008
Wydawca:
Polskie Towarzystwo Leśne
Tematy:
cechy taksacyjne
drzewostany
zapas rosnacy
kryteria
stabilnosc
realizacja celu hodowlanego
przebudowa drzewostanow
lesnictwo
stand conversion
silvicultural objective
stand stability
standing stock volume
forest functions
Opis:
The obligatory method of classifying stands for conversion requires adjustment to the needs of pro−ecological, multifunctional forest management. The study presents a set of criteria that can be useful for the reliable evaluation of stand condition. The proposed method was used to evaluate the fulfilment of the silvicultural objective, stand stability, as well as the status and volume of growing stock. Indicators used to assess these characteristics together with defined significance levels (weights) are an original element of the study. The indicators were selected in such a way as to describe a given characteristic in the context of conversion needs, which is the aim of the presented analysis of stand condition.
Źródło:
Sylwan; 2008, 152, 06; 14-21
0039-7660
Pojawia się w:
Sylwan
Dostawca treści:
Biblioteka Nauki
Artykuł

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