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Tytuł:
Forest Return on an Abandoned Field – Secondary Succession Under Monitored Conditions
Autorzy:
Adamowski, Wojciech
Bomanowska, Anna
Powiązania:
https://bibliotekanauki.pl/articles/764953.pdf
Data publikacji:
2011
Wydawca:
Uniwersytet Łódzki. Wydawnictwo Uniwersytetu Łódzkiego
Tematy:
abandoned field
long-term study
permanent plots
species turnover
vegetation succession
Białowieża Forest
Polska
Opis:
The secondary succession pattern observed on an arable field abandoned since 1974 in Tilio-Carpinetum habitat is described and disscussed. Results obtained during 36 years of study confirm that succession on an abandoned field leads from a typical segetal community to the formation of a juvenile treestand composed of pioneer species. Our study supports the view that succession is a process which is largely dependent on the initial conditions and surrounding vegetation. The results indicate that some species can modify the course of this process, accelerating or slowing it down. Limitations of the method and prognosis of future vegetation development are also discussed.
Źródło:
Acta Universitatis Lodziensis. Folia Biologica et Oecologica; 2011, 7; 49-73
1730-2366
2083-8484
Pojawia się w:
Acta Universitatis Lodziensis. Folia Biologica et Oecologica
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:
Puszcza Białowieska jako ostoja różnorodności biologicznej
Białowieża Forest as a biodiversity hotspot
Autorzy:
Brzeziecki, B.
Powiązania:
https://bibliotekanauki.pl/articles/989062.pdf
Data publikacji:
2017
Wydawca:
Polskie Towarzystwo Leśne
Tematy:
lesnictwo
Puszcza Bialowieska
ochrona przyrody
ochrona bioroznorodnosci
bogactwo przyrodnicze
rosliny naczyniowe
walory przyrodnicze
active management approach
biodiversity loss
environmental change
forest management
natural succession
strict protection
Opis:
Białowieża Forest (BF) is widely known for its outstanding natural values. The debate about the management/protection model, able to maintain all relevant values of BF on a sustainable basis, has a very long history. Currently, the main role in this debate is played by groups and organizations claiming that the major threat for the biological richness of BF is related to local forest management. In this paper, an attempt is made to verify this thesis. The extensive literature research reveals that vascular plants are one of the most threatened (and best documented) groups of organisms occurring in BF. It was found, for example, that in case of Serratulo−Pinetum (one of the most important woodland community type occurring in BF) the floristic diversity declines at the rate 0.6 species per year. However, similar situation concerns many other groups of species (e.g. lichens) as well. The recession of many species does not take place in the managed part of the BF only. This problem concerns also the areas which, since a long time already, have been subjected to the strict protection, like the ‘Strict Reserve' of the Białowieża National Park (comprising ca. 7% of the BF, under strict protection since ca. 100 years). Several factors and agents responsible for the general deterioration of natural values of BF were identified. Among other things, many authors underline the negative impacts of natural, successional processes taking part in areas which were ‘liberated' from the direct human impacts. Such processes are a direct cause of loss among many herbaceous species, particularly helio− and termophilous plants. Another important reasons for decreasing trends in many important elements of the local biodiversity are: strong reduction of open and semi−open areas (disappearance of the so called ‘cultural landscapes'), climate change, air pollution, deer overabundance, compositional impoverishment of many tree stands, invasive species of plants and animals. In conclusion, there are many factors responsible for decreasing diversity of BF and most of them have nothing to do with the local forest management. To preserve possibly high levels of the natural values of BF for future generations, a wise and complex conservation strategy is needed. As many other similar examples from different places over the world clearly show, the core element of such a strategy should be the principle of active management approach and not the out of action principle of ‘doing nothing'.
Źródło:
Sylwan; 2017, 161, 12; 971-981
0039-7660
Pojawia się w:
Sylwan
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Zmiany w szacie roślinnej rezerwatu Grąd Radziwiłłowski (Wysoczyzna Drohiczyńska) w latach 1971−2008
Changes in the vegetation of the Grad Radziwillowski nature reserve [Drohiczynska Upland] between 1971 and 2008
Autorzy:
Ciosek, M.T.
Chursowicz, B.
Borkowska, L.
Powiązania:
https://bibliotekanauki.pl/articles/1009206.pdf
Data publikacji:
2010
Wydawca:
Polskie Towarzystwo Leśne
Tematy:
lesnictwo
rezerwaty przyrody
rezerwat Grad Radziwillowski
fitosocjologia
zbiorowiska roslinne
flora
zmiany skladu gatunkowego
dynamics of forest stand
succession
quantitative and qualitative proportions of the flora
southern podlasie region
drohiczyńska upland.
Opis:
Studies on changes in the vegetation of the Grąd Radziwiłłowski nature reserve were carried out between 2005 and 2008. The nature reserve is situated in the southern part of the Podlasie region, near Radziwiłłówka village (Mielnik county). The results were compared with the research conducted by Sokołowski in 1971 and 1989 [Sokołowski 1993] and with data from establishment statement of the nature reserve. Structure and physiognomy of the forest stand as well as quantitative and qualitative proportions in the flora have changed in the studied period. The vegetation of the reserve ought to be monitored.
Źródło:
Sylwan; 2010, 154, 04; 275-281
0039-7660
Pojawia się w:
Sylwan
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Wtórna sukcesja lasu na polanach górskich wyłączonych z gospodarki pasterskiej
Secondary succession of forest on mountain glades excluded from pasture economy
Autorzy:
Ciurzycki, W.
Powiązania:
https://bibliotekanauki.pl/articles/1023695.pdf
Data publikacji:
2004
Wydawca:
Polskie Towarzystwo Leśne
Tematy:
sukcesja roslin
sukcesja wtorna
lesnictwo
polany popasterskie
gory
mountain glades
pasturage abandonment
secondary vegetation succession
forest emerging
nature protection
Opis:
The paper reviews the process of secondary vegetation succession and forest emerging on mountain glades after pasturage abandonment, investigations of this problem and its importance for nature protection.
Źródło:
Sylwan; 2004, 148, 11; 59-66
0039-7660
Pojawia się w:
Sylwan
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Changes in the structure of tree stands on bog habitats in the Bialowieza forest
Autorzy:
Czerepko, J.
Powiązania:
https://bibliotekanauki.pl/articles/38483.pdf
Data publikacji:
2010
Wydawca:
Instytut Badawczy Leśnictwa
Tematy:
structural change
tree stand
bog habitat
Bialowieza Forest
bog forest
permanent plot
plant succession
stand structure
Opis:
The analyses of 4 permanent study plots located in the Białowieża forest (NE Poland, at 52º43´ N, 23º50´ E) were carried out 4 times, first time in 1973 or 1974 and next in 1985, 1998, 2008. The paper presents the results of a long–term study on natural forest dynamics in two forest communities: raised-bog pine forest of the association Ledo-Sphagnetum magellanici Sukopp 1959 em. Neuhäusl 1969 and transitional bogs represented by the boreal spruce forest Sphagno girgensohnii-Piceetum Polak. 1962. On each measurement date the DBH of all trees were recognized. At the same time, stems of shrub species as well as tree species with the height lower than 1.3 m were counted within the experimental areas. During the study period the structure of stands changed significantly. The major change observed on raised bog sites was an increase in numbers of Betula spp., Picea abies (L.) H. Karst. and Quercus robur L. After 34th-year of observations the boreal spruce forest stand partly passed the terminal phase and regenerated. New species occurred in the stands, especially in their lower layer, are typical for oak-lime-hornbeam forest, such as e.g. Carpinus betulus L., Q. robur, Acer platanoides L. Rapid development of Corylus avellana L. was also observed. During last decades, the decrease in the number of Pinus sylvestris L. trees has been observed. The results of analyses of stand data in four research periods show that the wetland habitat of the Białowieża forest has been a subject to the processes of succession conditioned by environmental changes such as desiccation through lowering of the water table as well as climatic changes entailing inter alia an increase of the air temperature and a decrease of precipitation.
Źródło:
Folia Forestalia Polonica. Series A . Forestry; 2010, 52, 1
0071-6677
Pojawia się w:
Folia Forestalia Polonica. Series A . Forestry
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Impact of the forest succession on efficiency of the arable land production
Wpływ sukcesji leśnej na efektywność produkcji gruntów ornych
Autorzy:
Gniadek, J.
Pijanowski, J. M.
Śmigielski, M.
Powiązania:
https://bibliotekanauki.pl/articles/292905.pdf
Data publikacji:
2017
Wydawca:
Instytut Technologiczno-Przyrodniczy
Tematy:
forest succession
spatial structure of land
efficiency of agricultural production
shape of parcel
efektywność produkcji rolnej
kształt parcel
struktura przestrzenna gruntów
sukcesja leśna
Opis:
The paper presents the studies involving analysis of changes in shape of parcels of arable land under the influence of forest succession. The object of the research is the village Grębosze located in Świętokrzyskie voivodeship. The study material will cover all arable land existing in the studied village. The source of data were numerical registry maps from 1998 and 2013. The basic element of research, enabling comparison of changes in the efficiency of the production process are continuous parts of the parcels covered by one form of use. In the course of the output data processing and determination of the necessary technical parameters for the tested surface elements, the specialized tools and statistics were used. The studies were related to the evaluation of formation of these surface structures on the basis of their shape meter in the form of the so-called costs of cultivation. The obtained results make it possible to tell, to what extent the changes resulting from the consequences of the secondary forest succession influence the process of cultivation of neighbouring arable land.
W pracy przedstawione zostały badania obejmujące analizę zmian ukształtowania parcel na gruntach ornych pod wpływem sukcesji leśnej. Obiektem badań jest sołectwo Grębosze położone w województwie świętokrzyskim. Materiał badawczy obejmie wszystkie grunty orne występujące w badanej wsi. Źródłem danych były numeryczne mapy ewidencyjne z lat 1998 i 2013. Podstawowym elementem badań, umożliwiającym porównanie zmian efektywności procesu produkcyjnego są ciągłe części działek ewidencyjnych objęte jedną formą użytkowania. W procesie przetworzenia danych wyjściowych oraz określenia niezbędnych parametrów technicznych badanych elementów powierzchniowych zastosowano specjalistyczne narzędzia informatyczne i statystyczne. Szczegółowe badania dotyczą oceny ukształtowania wspomnianych struktur powierzchniowych na bazie miernika ich ukształtowania w postaci tzw. kosztów uprawowych. Uzyskany wynik umożliwia stwierdzenie, w jakim stopniu zmiany wynikające z następstw wtórnej sukcesji leśnej wpływają na proces uprawy sąsiednich gruntów ornych.
Źródło:
Journal of Water and Land Development; 2017, 34; 131-138
1429-7426
2083-4535
Pojawia się w:
Journal of Water and Land Development
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Zmiana powierzchni zbiorowisk o charakterze leśnym w dolinie Karpnickiego Potoku jako przykład zmian lesistości w dolnych partiach Sudetów
Changes in the area covered by woody plants communities in the Karpnicki Potok valley as an example of changes in forest area in lower parts of the Sudety Mountains
Autorzy:
Jaworek, J.
Filipiak, M.
Napierała-Filipiak, A.
Powiązania:
https://bibliotekanauki.pl/articles/990969.pdf
Data publikacji:
2014
Wydawca:
Polskie Towarzystwo Leśne
Tematy:
Sudety
wies Karpniki
dolina Karpnickiego Potoku
zmiany lesistosci
zmiany powierzchniowe
Numeryczny Model Terenu
mapy topograficzne
ewidencja gruntow
mapy ewidencyjne
zdjecia lotnicze
increase of forest area
lower parts of the mountains
seminatural succession
landscape
Opis:
On the basis of historical and recent cadastral maps, topographic maps, and aerial photographs, we analysed changes in forest area within the cadastral units of Karpniki village, in the Karpnicki Potok (SW Poland). In 1823−2012, forest area increased there from about 41% to over 57% of the total area. The greatest increase has been recorded recently. Moreover, at that time over 16% of land classified officially as farmland was naturally colonized by communities dominated by woody plants. This seminatural process in the analysed case does not pose any serious threat to natural resources, but a complete lack of its control may lead to deterioration of the value of the local landscape and development of low−quality forest stands. The observed changes seem to be typical of other areas located in lower parts of the Sudety Mountains.
Źródło:
Sylwan; 2014, 158, 09; 704-713
0039-7660
Pojawia się w:
Sylwan
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Macrofungi in the secondary succession on the abandoned farmland near the Białowieża old-growth forest
Autorzy:
Kalucka, I.
Powiązania:
https://bibliotekanauki.pl/articles/54917.pdf
Data publikacji:
2009
Wydawca:
Polskie Towarzystwo Botaniczne
Tematy:
macrofungi
secondary succession
abandoned farmland
forest
old-field succession
fungal succession
ectomycorrhizal fungi
saprotrophic fungi
sporocarp production
Polska
Bialowieza Forest
Basidiomycetes
fungi
soil analysis
Opis:
T he paper deals with the succession of basidiomycete macrofungi on abandoned farmland. T T he research was carried out in the unique complex of old fields of different age located on the southwest edge of the Białowieża old-growth forest (NE Poland). T T hese lands undergo spontaneous secondary succession leading to formation of a continental fresh pine forest. Regular observations of basidiomata in 16 permanent plots (11 plots of 1000 m2, 5 plots of 400 m2) representing initial, optimal and terminal stage of vegetation development from psammophilous grassland to a pine forest with 100-year-old tree stand were conducted for three years. Soil and vegetation analyses were also carried out as well as quantitative examination of ectomycorrhizae in root samples. T he series yielded 300 species of macromycetes (including 6 collective taxa) found in permanent plots plus 18 species outside the plots. T T he species composition, spatial distribution of sporocarps, and quantitative structure of fungal communities changed along the successional gradient. Increasing diversity of fungi resulted from persistence of species typical of open areas and species associated with younger trees, as well as accumulation of species associated with older trees and more developed stands. Some species typical of younger phases were replaced with species arriving later in the chronosequence. Species usually occurred long before and after attaining maximum abundance and frequency. Species associated with certain periods of vegetation development could be distinguished, as well as species accompanying the phytocoenoses regardless of their developmental stage. Patterns in structural changes of the fungal community, e.g., in number of species, abundance, frequency and production of carpophores, could also be recognised. T T hey were different in ectomycorrhizal and in saprotrophic fungi. T T he occurrence of the former was influenced mainly by the presence of symbiotic trees and their age, stand structure and soil properties, while occurrence of the latter was affected by microclimatic factors and by diversity of accessible substrates. Changes in fungal communities were consistent with vegetation changes, but were also specific to this group of organisms.
Źródło:
Monographiae Botanicae; 2009, 99
0077-0655
2392-2923
Pojawia się w:
Monographiae Botanicae
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Successional traits of ectomycorrhizal fungi in forest reclamation after surface mining and agricultural disturbances: A review
Autorzy:
Kalucka, I.L.
Jagodzinski, A.M.
Powiązania:
https://bibliotekanauki.pl/articles/41414.pdf
Data publikacji:
2016
Wydawca:
Polska Akademia Nauk. Instytut Dendrologii PAN
Tematy:
primary succession
secondary succession
fungi
ectomycorrhizal fungi
forest reclamation
surface mining
post-agricultural land
disturbance
afforestation
ecosystem service
Opis:
Ectomycorrhizal (ECM) fungi and their symbiotic associations with forest trees are among major drivers of key ecosystem functions such as carbon and nitrogen cycling, plant nutrient and water uptake from soil, plant-plant facilitation/competition and diversity regulation via common mycorrhizal networks. Through their functional traits and interactions with both abiotic and biotic environment, they also significantly affect the process of open land colonization by trees as well as vegetation succession coupled with soil and ecosystem development. Here we review the role of ECM fungi in the early primary and secondary succession following major anthropogenic disturbances. Based on the examples of mine spoils and post-agricultural lands, we demonstrate key ecosystem services provided by ECM fungi in the processes of forest restoration. We point out ecological mechanisms and adaptations which underpin ECM fungal community successional interactions, particularly life histories, dispersal, spatial structure, host preferences, and sensitivity to environmental filters. We emphasize the need of better understanding the role of ECM fungi in the forest restoration practice as it seems crucial for afforestation success and biodiversity rehabilitation. Thus, ectomycorrhizal traits should be a prime consideration in afforestation and carbon sequestration polices, sustainable forest management and biodiversity conservation practices.
Źródło:
Dendrobiology; 2016, 76
1641-1307
Pojawia się w:
Dendrobiology
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Wtórna sukcesja roślinności w kierunku bagiennej olszyny górskiej Caltho laetae-Alnetum (Zarz. 1963) Stuchlik na dawnych łąkach Beskidu Niskiego
Secondary succession towards grey alder bog forest Caltho laetae-Alnetum (Zarz. 1963) Stuchlik on the abandoned meadows in the Beskid Niski Mts. (Western Carpathians)
Autorzy:
Koczur, A.
Powiązania:
https://bibliotekanauki.pl/articles/1008757.pdf
Data publikacji:
2012
Wydawca:
Polskie Towarzystwo Leśne
Tematy:
Beskid Niski
laki gorskie
laki podmokle
sukcesja roslin
sukcesja wtorna
gorska olszyna bagienna
zespol Caltho-Alnetum
abandoned meadows
secondary succession
grey alder bog forest
beskid niski mts.
western carpathians
Opis:
On the abandoned wet meadows in the Beskid Niski Mts. secondary succession to the community Caltho laetae−Alnetum proceeds. In the initial phases of succession significant similarity between patches of meadows communities and grey alder bog forest in floristic composition and structure of vegetation is observed. Particular stages of succession (non−forest and forest) are characterized by occurrence of big group (43.5%) of shared species.
Źródło:
Sylwan; 2012, 156, 10; 784-791
0039-7660
Pojawia się w:
Sylwan
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Las na gruncie porolnym - oczekiwania i rzeczywistość
Forest on post-agricultural land - expectations and reality
Autorzy:
Krawczyk, R.
Kowalczuk, S.
Ksepko, M.
Sierota, Z.
Powiązania:
https://bibliotekanauki.pl/articles/2136482.pdf
Data publikacji:
2021
Wydawca:
Instytut Badawczy Leśnictwa
Tematy:
lesnictwo
grunty porolne
zalesianie
gospodarka lesna
lasy porolne
stan zdrowotny lasu
sukcesja roslin
odnowienia naturalne
post-agriculture lands
afforestation
managed forests
forest health
succession
natural regeneration
Opis:
In Central Europe, deforestation led to a reduction of forest area by almost 80%, compared to the original area, by the beginning of the 20th century. At this point in time, a period of intensive reforestation began in an effort to restore forest areas. This process of reforestation, especially on post-agricultural land, continues to this day. This article examines reforestation and natural regeneration on former farmland and the factors that influence the current state as well as the future growth of the forest. Ancient and contemporary views on the functioning of stands on post-agricultural land created by both, natural and forced succession (i.e. afforestation), are recalled. In Poland, this issue primarily concerns managed state forests, which cover an area of over 2 million hectares. We discuss the differences in the development of these stands resulting from the history of agricultural cultivation, the type of afforestation, the influence of environmental factors as well as biotic threats to their development. Furthermore, the need to change the silviculture-, protection- and endowment-based approach to forest management in stands on post-agricultural land is highlighted.
Źródło:
Leśne Prace Badawcze; 2021, 82, 2; 75-86
1732-9442
2082-8926
Pojawia się w:
Leśne Prace Badawcze
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
The pattern of seed banks during secondary succession on poor soils
Autorzy:
Kwiatkowska-Falinska, A.
Jankowska-Blaszczak, M.
Wodkiewicz, M.
Powiązania:
https://bibliotekanauki.pl/articles/58044.pdf
Data publikacji:
2011
Wydawca:
Polskie Towarzystwo Botaniczne
Tematy:
seed bank
secondary succession
poor soil
fallow
Calluna vulgaris
fresh coniferous forest
initial stage
psammophilous species
persistence
Opis:
Studies on the soil seed banks of fallow lands of different ages were carried out on poor soil abandoned fields and in a fresh coniferous forest in north-eastern Poland. The size and diversity of seed banks was studied with the seedling emergence method. Species abundance (i), density (ii), number of species from different biological groups (iii) and distribution and mean LI value (iv) were analysed as the function of fallow land age. It was found that: (i) species diversity, number of species and ln of density are linear declining function of the fallow land age; (ii) for approx. 25 years the share of diaspores of identified species groups has been relatively similar. Seed banks of 40-50-year-old fallow lands are dominated by Calluna vulgaris, while the seed bank of the old fresh coniferous forest is dominated by dicotyledonous perennials and grasses; (iii) within the first 50 years of succession the persistence of seed banks measured by the Longevity Index increases gradually.
Źródło:
Acta Societatis Botanicorum Poloniae; 2011, 80, 4
0001-6977
2083-9480
Pojawia się w:
Acta Societatis Botanicorum Poloniae
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Post-fire succession on abandoned fields in coniferous forest habitat [Nord-East Poland]
Autorzy:
Kwiatkowska-Falinska, A J
Powiązania:
https://bibliotekanauki.pl/articles/57402.pdf
Data publikacji:
2008
Wydawca:
Polskie Towarzystwo Botaniczne
Tematy:
post-fire succession
abandoned field
coniferous forest
forest habitat
secondary succession
spatial pattern
temporal pattern
species turnover
fire
Polska
Opis:
In July, 1992, fire swept through the Jelonka Reserve (52o35'33"N; 23o22'10"E). Litter, herbs layer and juniper shrubs were razed and the tree trunks of Pinus sylvestris and Populus tremula damaged, which resulted in their death the following year. Five research plots of 25 m2 each were established in the post-fire area. The species present there and their degrees of coverage were listed on the Londo scale between 1993 and 2002. The calculation of average degrees of coverage for individual populations allowed for the establishing of a chronological pattern of post-fire succession. The following findings have been made: 1) the primary function in colonization belongs to species of guerilla strategy of growth whose dormant buds survived fire underground (Holcus mollis, Calluna vulgaris and Populus tremula) or phalanx strategy of growth (Corynephoms canescens); 2) the dominants of the initial succession stage are perennial grasses, not therophytes; 3) the spatial pattern of succession is influenced by the occurrence of H. mollis or C. canescens in a particular location; 4) the initial stage terminates with the occurrence and further growth of C. vulgaris clumps; the post-fire succession in the Jelonka Reserve attained a brushwood stage faster in comparison to secondary succession, formerly triggered by the cessation of cultivation on arable land.
Źródło:
Acta Societatis Botanicorum Poloniae; 2008, 77, 3; 245-254
0001-6977
2083-9480
Pojawia się w:
Acta Societatis Botanicorum Poloniae
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
O przebudowie drzewostanow z roznorodnoscia biologiczna w tle
Forest conversion in the context of biodiversity
Autorzy:
Rykowski, K.
Powiązania:
https://bibliotekanauki.pl/articles/1009192.pdf
Data publikacji:
2010
Wydawca:
Polskie Towarzystwo Leśne
Tematy:
lesnictwo
gospodarka lesna
przebudowa drzewostanow
regulacja prawna
Zasady hodowli lasu
przebudowa calkowita
przebudowa czesciowa
gospodarczy typ drzewostanu
roznorodnosc biologiczna
stand conversion
biodiversity
economic stand type
disturbance
spontaneous transformation
succession
forest of reference
Opis:
Paper presents the issue of stand conversion and refers it to political and technical regulations. Different objectives and forms of stand conversion in the context of silviculture concepts were characterized. Stand economic type as a target and tool of traditional forest management practice in Poland was discussed. Paper presents examples of spontaneous stand conversion as a result of biotic or abiotic disturbances. On the background of these analyses, the need to test some scientific hypotheses has been presented. The necessity to create the network of the reference forest areas as pattern of natural conversion of forest ecosystem in changing environment to learn from and follow them by forest management practice.
Źródło:
Sylwan; 2010, 154, 04; 219-233
0039-7660
Pojawia się w:
Sylwan
Dostawca treści:
Biblioteka Nauki
Artykuł
Wyświetlanie 1-15 z 23

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