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Tytuł:
Cechy biometryczne podrostów dębowych pochodzenia naturalnego rosnących pod osłoną drzewostanów sosnowych
Biometric features of oak advance-growth growing under Scots pine canopy
Autorzy:
Żybura, H.
Pewniak, B.
Powiązania:
https://bibliotekanauki.pl/articles/989077.pdf
Data publikacji:
2017
Wydawca:
Polskie Towarzystwo Leśne
Tematy:
lesnictwo
hodowla lasu
drzewostany sosnowe
sosna zwyczajna
Pinus sylvestris
siedlisko boru mieszanego swiezego
siedlisko lasu mieszanego swiezego
podrost
dab
Quercus
cechy biometryczne
odnowienia podokapowe
scots pine
oak
biometric features
canopy
Opis:
The objectives of the study was to investigate and compare the characteristics of oak advance−growth of various age present under Scots pine canopy and growing on the mesic mixed coniferous (BMśw) or mesic mixed deciduous (LMśw) forest site types. The study was conducted in Kolumna Forest District (central Poland) in 21 Scots pine stands ca. 90 years of age, and with a well−developed oak advance−growth. The study sites were divided into 4 groups depending on the age of oak: 15, 20, 25 or 30−years−old. The empirical data concerned trees frequency (per unit area), average breast height diameter, height and basal area. The dependence of these characteristics on type of the main stand and advance−growth was then determined by statistical analysis. Above all, an attempt was made to determine the impact of forest site type conditions on the characteristics of oaks advance−growth. Results show that oaks are present at the density that makes the possibility of the advance−growth development into the stand real. Trees in the upper storey are found to exert a great influence on the silvicultural value of advance−growth trees. In particular, the density of trees in the main stand is a feature found to affect greatly the layer of oak advance−growth.
Źródło:
Sylwan; 2017, 161, 06; 476-484
0039-7660
Pojawia się w:
Sylwan
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Wykorzystanie dolnych warstw drzewostanu w planowaniu hodowlanym
Under-canopy layers in silvicultural planning
Autorzy:
Żybura, H.
Pewniak, B.
Powiązania:
https://bibliotekanauki.pl/articles/989497.pdf
Data publikacji:
2016
Wydawca:
Polskie Towarzystwo Leśne
Tematy:
lesnictwo
hodowla lasu
planowanie hodowlane
drzewostany sosnowe
drzewostany wielopietrowe
podszyt
dab
Quercus
odnowienia podokapowe
jakosc hodowlana
scots pine
oak
silvicultural value
multi−layer stands
Opis:
Currently observed climate change creates favourable conditions for the development of not only deciduous species (oak and beech), but also some coniferous (e.g. fir). In the Scots pine stands growing on fertile forest site types one can observe the dynamic development of the under−canopy layers composed of those species. Oak or beech saplings are often characterized by good silvicultural value. Also silver fir creates a well−developed cover under Scots pine trees. Beech and fir as the most shade−tolerant tree species are able to handle the conditions under Scots pine. They can grow for a long time under the cover without damage to their height or diameter growth. Especially, a dynamic growth of oaks can often be observed on fresh mixed coniferous and fresh mixed broadleaved habitats. Oak layers in Scots pine stands are generally created in the way of natural regeneration with remarkable contribution of the jays, which spread the seeds even at considerable distances from the old trees. The corresponding intensity of thinnings supports to shape the proper silvicultural value of such under−canopy storeys. Observations on growth of such stand layers in the Scots pine stands in eastern and central Poland consider the desirability of including them in the next generation of stands. Their presence contributes to improvement of the biological stability of the stands, and also leads to increased productivity. By implementing to the forest practice the model of semi−natural silviculture, one wants to consider the possibility of using the saplings currently existing under the Scots pine as a component of the future stand. Knowledge about the silvicultural value and the impact on growth of lower layers will enable to develop the principles of proper cultivation of the multi−storey stands.
Źródło:
Sylwan; 2016, 160, 10; 815-821
0039-7660
Pojawia się w:
Sylwan
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Wstępne badania nad zmiennością izoenzymową dębów w doświadczeniu proweniencyjnym w Nadleśnictwie Milicz
Preliminary research on izoenzyme variability of oaks in the provenance experiment in the Milicz Forest District
Autorzy:
Zwaduch, P.
Lewandowski, A.
Powiązania:
https://bibliotekanauki.pl/articles/1012982.pdf
Data publikacji:
2008
Wydawca:
Polskie Towarzystwo Leśne
Tematy:
zroznicowanie genetyczne
dab bezszypulkowy
zmiennosc genetyczna
proweniencje
izoenzymy
Quercus petraea
Nadlesnictwo Milicz
Quercus robur
lesnictwo
dab szypulkowy
drzewa lesne
pedunculate oak
sessile oak
provenance
genetic variation
izoenzyme
poland
Opis:
The studies were based on the material collected in the provenance experiment established in the territory of the Milicz Forest District where 78 pedunculate (Quercus robur L.) and sessile oak (Quercus petraea [Matt.] Liebl.) provenances from all over the country were planted in 5 replications. The izoenzyme analyses took in dormant buds from 300 trees of randomly selected 5 pedunculate oak and 5 sessile oak provenances. Variation of 6 enzymatic systems was the subject of the analysis. The studied oak populations exhibited a relatively high level of genetic variation, however, it was lower in comparison with the populations from other regions of Europe. Generally, the variation of the sessile oak was grater than of the pedunculate oak. The calculated genetic distance between the two oak species was 0.0284 and it exceeded genetic distances among the populations within the species.
Źródło:
Sylwan; 2008, 152, 10; 27-35
0039-7660
Pojawia się w:
Sylwan
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Tempo iniekcji hydrostatycznych do drewna dębu szypułkowego (Quercus robur L.) w zależności od grubości i wysokości drzewa oraz miąższości strzały w korze
Autorzy:
Zarzyński, P.
Powiązania:
https://bibliotekanauki.pl/articles/1019703.pdf
Data publikacji:
2005
Wydawca:
Polskie Towarzystwo Leśne
Tematy:
cechy dendrometryczne
iniekcja hydrostatyczna
wysokosc
Quercus robur
grubosc
lesnictwo
dab szypulkowy
miazszosc strzaly w korze
drzewa lesne
hydrostatic injection
injection rate
pendiculate oak
Opis:
Hydrostatic injection of chemicals applied directly into the wood of live trees is the method used in treating and preventing many of diverse tree diseases. The usefulness of this method was proved as a result of the previously performed experiments with young trees. However, still an open question remains how much effective the treatment applied to older trees of greater dimensions can be. The author of the paper attempts to provide answer to this question.
Źródło:
Sylwan; 2005, 149, 07; 51-56
0039-7660
Pojawia się w:
Sylwan
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Zasięg oddziaływania iniekcji hydrostatycznych w drewnie dębu szypułkowego (Quercus robur L.)
Autorzy:
Zarzyński, P.
Powiązania:
https://bibliotekanauki.pl/articles/1022214.pdf
Data publikacji:
2005
Wydawca:
Polskie Towarzystwo Leśne
Tematy:
drewno debowe
iniekcja hydrostatyczna
Quercus robur
lesnictwo
dab szypulkowy
zasieg dzialania
drzewa lesne
hydrostatic injections
sessile oak wood
effect range
Opis:
Hydrostatic injections are the method of applying chemicals directly into the wood of living trees. Laboratory tests proved their usefulness. However, still an open question remained the range of penetration of the liquid fed into the tree this way. To answer this question, a series of experiments were performed, using water with an addition of methylene blue – a dye leaving durable effects in the wood – as the working liquid. This paper depicts the results of this experiment.
Źródło:
Sylwan; 2005, 149, 04; 15-20
0039-7660
Pojawia się w:
Sylwan
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Zespół grzybów rozkładających drewno sędziwych dębów i lip
Associations of wood?decaying fungi in ancient oak and lime trees
Autorzy:
Zarzyński, P.
Powiązania:
https://bibliotekanauki.pl/articles/1023386.pdf
Data publikacji:
2004
Wydawca:
Polskie Towarzystwo Leśne
Tematy:
grzyby
drzewa pomnikowe
biodegradacja
drzewa stare
Quercus
lesnictwo
lipa
dab
Tilia
drzewa lesne
oak
lime
wood−decaying fungi
ancient trees
poland
Opis:
Oak and lime trees constitute nearly 2/3 of an overall number of trees considered as nature monuments in Poland. Being exposed to a number of agents their health condition often is poor. The wood−decaying fungi are the major age−limiting agents for trees. This paper presents the results of studies on the presence of various fungal species on 160 oak and lime trees. The author makes an attempt to define associations of fungi causing wood decay in ancient oak and lime trees in Poland.
Źródło:
Sylwan; 2004, 148, 04; 22-26
0039-7660
Pojawia się w:
Sylwan
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Synantropizacja flory roślin naczyniowych rezerwatu Wieliszewskie Łęgi (środkowa Polska)
Synanthropization of vascular plant flora in the Wieliszewskie Legi Nature Reserve (central Poland)
Autorzy:
Zaniewski, P.T.
Dembicz, I.
Zaniewska, E.
Kanabus, A.
Kozub, L.
Powiązania:
https://bibliotekanauki.pl/articles/2136714.pdf
Data publikacji:
2021
Wydawca:
Instytut Badawczy Leśnictwa
Tematy:
rezerwaty przyrody
rezerwat Wieliszewskie Legi
flora
rosliny naczyniowe
sklad gatunkowy
synantropizacja
wskaznik synantropizacji
apophytization
kenophytization
anthropophytization
disturbance
embankments
transformation into oak-hornbeam
forest
transformation into alder carr
Mazovia
Opis:
Understanding human influence on vegetation dynamics is important from both conservation and human management perspectives. The Wieliszewskie Łęgi Reserve, located in central Poland, is a young forest area that was cut off from the flood waters of the Narew river in 1963, but since then has been constantly and intensively supplied with water from overflows under the dike. On the southern side, adjacent to the reserve, there are patches of valuable meadows, rushes and scrub communities. The aim of this study was to determine the degree of synanthropization of the flora in the Wieliszewskie Łęgi reserve and to assess changes occurring in its vegetation. The vascular plant flora of the reserve and its southern vicinity was surveyed in 2017 and the plant communities within the study area were mapped. In the area of the reserve, we observed a total of 264 vascular plant species, whereas for the entire area under study, 314 spe- cies were recorded. Of these, 14 were classified as valuable. The high species richness was mainly due to the presence of a large number of apophytes – native species quickly colonizing sites transformed by man. Therefore the degree of naturalness of the reserve's flora was relatively low, which is most likely due to the lack of refugia for typical forest species. A number of plant communities of non-forest, scrub and forest character, typical for swampy, wet, semixeric as well as dry habitats were recorded. Succession, manifested by the disappearance of non-forest and scrub communities and progression of forest communities, is superimposed on the processes of transformation into semixeric oak-hornbeam communities in the highest areas and carr com- munities in the lowest areas. A low proportion of kenophytes (16 species) and a zero value of the index of fluctuation changes indicate a relative resistance of the reserve to invasion by alien species.
Źródło:
Leśne Prace Badawcze; 2021, 82, 2; 47-66
1732-9442
2082-8926
Pojawia się w:
Leśne Prace Badawcze
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
The proposal of a new provisional border of range of the acidophilous oak forest Calamagrostio arundinaceae-Quercetum petraeae Hartm. 1934 Scam. et Pass. 1959 in central Poland
Autorzy:
Zaniewski, Piotr T.
Ciurzycki, Wojciech
Zaniewska, Ewa
Powiązania:
https://bibliotekanauki.pl/articles/2041024.pdf
Data publikacji:
2021
Wydawca:
Instytut Badawczy Leśnictwa
Tematy:
forest association range border
Quercetea-robori petraeae
sessile oak
Mazowsze
Kujawy
Łódź
Wielkopolska
Opis:
The range of acidophilous oak forest from Quercetea robori-petraeae Br-Bl. et Tx. ex Oberd. 1957 in Central Europe depends largely on the syntaxonomical concept used and is still provisional. The most continental association from this class occurring in Poland is Calamagrostio arundinaceae-Quercetum petraeae Hartm. 1934 Scam. et Pass. 1959. It is present in western and central Poland, but its eastern boundary is not well known. The aims of the study were to survey and document new patches of Calamagrostio-Quercetum in central Poland, to check the internal variation of the association and to summary the known distribution of it in lowlands of central-western and central Poland. 23 phytosociological relevés were made within new stands together with soil sampling. New relevé data was subjected to the numerical Wards classification together with acidophilous oak forests datasets from western Poland and oak-pine forests ones from eastern part of the Country. The new dataset was similar to Calamagrostio-Quercetum. Three subassociations were distinguished. Soil parameters and oak site index did not differ from acidophilous oak forest stands from other parts of Poland. The provisional range of Calamagrostio-Quercetum in central Poland was proposed to be moved by circa 60–90 km to the north-east (approximately as far as the Vistula river line) in order to include south-western part of Mazowsze.
Źródło:
Folia Forestalia Polonica. Series A . Forestry; 2021, 63, 3; 243-259
0071-6677
Pojawia się w:
Folia Forestalia Polonica. Series A . Forestry
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Poziom chlorofilu a i b w liściach krzewów podszytowych w grabowo-dębowych lasach lasostepu Ukrainy Zachodniej
The content of chlorophyll a and chlorophyll b in leaves of undergrowth species in hornbeam-oak forest stands of the forest-steppe zone in Western Ukraine
Autorzy:
Zaika, V.
Bondarenko, T.
Powiązania:
https://bibliotekanauki.pl/articles/1292298.pdf
Data publikacji:
2018
Wydawca:
Instytut Badawczy Leśnictwa
Tematy:
lesnictwo
drzewostany grabowo-debowe
podszyt
krzewy
liscie
chlorofil a
chlorofil b
poziom chlorofilu
lasostep
Ukraina Zachodnia
shrubs
plastid pigments
chlorophyll a
chlorophyll b
hornbeam-oak forest stands
forest-steppe zone of western
Ukraine
Opis:
In this study, the biosynthesis of the plastid pigments chlorophyll a and b was examined for the most common shrubs in hornbeam-oak forest stands of the Western forest-steppe zone of Ukraine. The characteristics of the pigments’ biosynthesis were determined in terms of plant species, vegetation period and growth conditions (under canopy cover and out in the open). The gathered data on the changes of the pigment complex with respect to the examined variables confirms the sensitivity of plastid pigment biosynthesis to environmental factors.
Źródło:
Leśne Prace Badawcze; 2018, 79, 1
1732-9442
2082-8926
Pojawia się w:
Leśne Prace Badawcze
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:
Owady minujące liście dębu szypułkowego Quercus robur L. w Bydgoszczy i okolicach
Insects mining leaves of English oak Quercus robur L. in Bydgoszcz and its vicinity
Autorzy:
Wrzesińska, D.
Powiązania:
https://bibliotekanauki.pl/articles/1293840.pdf
Data publikacji:
2017
Wydawca:
Instytut Badawczy Leśnictwa
Tematy:
drzewa
dab szypulkowy
Quercus robur
szkodniki roslin
owady minujace
wykaz gatunkow
wystepowanie
miasta
Bydgoszcz
okolice Bydgoszczy
English oak
mining insects
Tischeria ekebladella
Phyllonorycter heegeriella
Opis:
This research on the occurrence of insects mining leaves of the English oak Quercus robur was performed between 2011–2012 in Bydgoszcz and in nine neighbouring sites: seven in forest areas and two in an urbanized environment. The analysis of the gathered material revealed the occurrence of insects from three different orders, Coleoptera, Hymenoptera and Lepidoptera, and 10 families: Curculionidae, Tenthredinidae, Bucculatricidae, Coleophoridae, Eriocraniidae, Gracillariidae, Heliozelidae, Incurvariidae, Nepticulidae and Tischeriidae. In total, 21 insect species were collected from Q. robur; most of them at forest sites. A slightly lower number of species was recorded at Janowo, where oaks were growing on the edge of the forest in the vicinity of a transport route with heavy traffic. Even fewer taxa were observed in the vicinity of urbanised areas; in the city park on the Bydgoszcz Canal and in Fordon. The most abundant species on the English oak were Tischeria ekebladella (Bjerk.) and Phyllonorycter heegeriella (Zell.).
Źródło:
Leśne Prace Badawcze; 2017, 78, 4
1732-9442
2082-8926
Pojawia się w:
Leśne Prace Badawcze
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Charakterystyka geobotaniczna rzeki Pichna Szadkowicka na odcinku od źródła w Zimnej Wodzie do ujścia z terenu Uroczyska Wojsławice
Geobotanical characteristic of the Pichna Szadkowicka river section from river’s headwater area in the Zimna Woda village to its outlet from the Wojsławice forest complex
Autorzy:
Woziwoda, Beata
Szczerkowska-Majchrzak, Eliza
Powiązania:
https://bibliotekanauki.pl/articles/510390.pdf
Data publikacji:
2014
Wydawca:
Uniwersytet Łódzki. Wydawnictwo Uniwersytetu Łódzkiego
Tematy:
lowland river
vascular plants
riparian forest
wet oak-lime-hornbeam forest
rzeka nizinna
rośliny naczyniowe
las łęgowy
Opis:
The paper presents the river valley physiography and the selected hydraulic, physics and chemical parameters of the upper section of small lowland river – Pichna Szadkowicka (the Warta river catchment, Central Poland). The strong relationship between the river and river valley habitat’s characteristics and the plant species and vegetation diversity was noted. Around one hundred (93) of vascular plant species was noted in total, including Listera ovata (strictly protected) and partially protected: Hedera helix, Viburnum opulus, Frangula alnus and Hepatica nobilis. The high natural (botanical) and landscape values of the researched section of the Pichna Szadkowicka river with adjacent parts of Wojsławice forest complex justify additionally their protection in the network of forests reference plots and of the High Conservation Value Forests (HCFV).
Źródło:
Biuletyn Szadkowski; 2014, 14; 179-188
1643-0700
Pojawia się w:
Biuletyn Szadkowski
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Charakterystyka lasu grądowego z jodłą w rezerwacie „Jamno”
Characteristic of oak-hornbeam forest with silver fir in "Jamno" nature reserve
Autorzy:
Woziwoda, Beata
Pawicka, Katarzyna
Wolski, Grzegorz J.
Powiązania:
https://bibliotekanauki.pl/articles/510440.pdf
Data publikacji:
2012
Wydawca:
Uniwersytet Łódzki. Wydawnictwo Uniwersytetu Łódzkiego
Tematy:
oak-hornbeam forest
silver fir
Jamno
nature reserve
las grądowy
jodła
rezerwat
Opis:
The “Jamno” nature reserve was established to protect the forest community with European silver fir Abies alba Mill. on the northern border of natural occurrence of this tree species in Poland. The results of current phytosociological studies (done in 2011) show that the oak-hornbeam forest – Tilio-Carpinetum calamagrostietosum association with Abies alba, exist within reserve. The present structure and species composition of studied community is determined by spontaneous changes of tree stand. The different proportion of silver fir in shrub and tree stand layers indicate the dynamic changes within this species population.
Źródło:
Biuletyn Szadkowski; 2012, 12; 127-143
1643-0700
Pojawia się w:
Biuletyn Szadkowski
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
The negative impact of intentionally introduced Quercus rubra L. on a forest community
Autorzy:
Woziwoda, B.
Kopec, D.
Witkowski, J.
Powiązania:
https://bibliotekanauki.pl/articles/59182.pdf
Data publikacji:
2014
Wydawca:
Polskie Towarzystwo Botaniczne
Tematy:
negative impact
introduction
Quercus rubra
red oak
biodiversity
commercial forestry
ecosystem service
forest community
Opis:
Some alien woody species used in commercial forestry become invasive and, as invaders, cause major problems in natural and semi-natural ecosystems. However, the deliberate introduction of aliens can bring unintended negative changes also within areas of their cultivation. This paper presents the effects of the intentional introduction of the North-American Quercus rubra in European mixed Scots pine-Pedunculate oak forests (POFs): Querco roboris-Pinetum (W. Mat. 1981) J. Mat. 1988. Phytosociological data from field research combined with GIS data analysis of the current distribution of Northern Red oak in the studied habitat were used to determine the composition and structure of forest communities in plots with and without Q. rubra participation. The results show that Q. rubra significantly reduces native species richness and abundance, both in old-growth and in secondary (post-agricultural) forests. Not one resident vascular plant benefits from the introduction of Northern Red oak and only a few are able to tolerate its co-occurrence. The natural restocking of all native woody species is also strongly limited by this alien tree. The introduction of Northern Red oak significantly limits the environmental functions of the POF ecosystem and weakens its economic and social aspects. However, its further cultivation is justified from an economic point of view, as the essential function of the studied forests is commercial timber production, and the introduction of this fast growing alien tree supports the provisioning ecosystem services. A clear description of the level of trade-off between the accepted negative and positive effects of the introduction of Q. rubra on forest ecosystem services requires further interdisciplinary studies.
Źródło:
Acta Societatis Botanicorum Poloniae; 2014, 83, 1
0001-6977
2083-9480
Pojawia się w:
Acta Societatis Botanicorum Poloniae
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Efekty ochrony rzadkich gatunków roślin na przykładzie zimoziołu północnego Linnaea borealis w rezerwacie Górki
Effects of rare plants species conservation – a case study of twinflower Linnaea borealis in Gorki nature reserve
Autorzy:
Wolańska-Kamińska, A.
Zając, I.
Ratajczyk, N.
Powiązania:
https://bibliotekanauki.pl/articles/989984.pdf
Data publikacji:
2014
Wydawca:
Polskie Towarzystwo Leśne
Tematy:
ochrona przyrody
ochrona gatunkowa
rosliny rzadkie
zimoziol polnocny
Linnaea borealis
zanikanie gatunkow
rezerwat Gorki
dynamika roslinnosci
twinflower
oak−hornbeam forest
mixed coniferous forest
dynamic tendencies
Opis:
The paper presents vegetation changes of Górki nature reserve in terms of their impact on the main subject of conservation – twinflower Linnaea borealis. The research was conducted between 1969 and 1974 and during this investigation a mixed forest Pino−Quercetum was noted. After 50 years of strict protection the studies were repeated to describe the reserve's flora and vegetation dynamics. A considerable decrease in number is particularly observed in species belonging to Vaccinio−Piceetea class. The main subject of conservation withdrew. Nowadays, vegetation evolved into an oak−hornbeam forest Tilio−Carpinetum betuli. Statistically relevant changes have also been noted as regards the soil acidity and the trophic status of the nature reserve's flora, based on ecological indicators.
Źródło:
Sylwan; 2014, 158, 07; 531-538
0039-7660
Pojawia się w:
Sylwan
Dostawca treści:
Biblioteka Nauki
Artykuł
Wyświetlanie 1-15 z 162

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