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Projekt ochrony chwastów polnych
(Wydawnictwo Uniwersytetu Łódzkiego, 1986)
The intensification of agriculture has led to a distinct
regress of segetal weeds, particu larly of the specialized ones.
The necessity to preserve a gene pool of th is group of the
species results from scientific and ...
Lokalne migracje zimoziołu północnego Linnaea borealis L. w nadleśnictwie Rogów i jego ochrona w lasach gospodarczych i w rezerwacie „Górki"
(Wydawnictwo Uniwersytetu Łódzkiego, 1986)
Linnaea borealis in Central Poland is a migrating pseudorclic.
The author describes an example of local migrations of the plant,
which became extinct in the reserve established for its protection, next
appeared in another ...
Struktura i rozwój różnowiekowej populacji cisa Taxus baccata L. naturalnego pochodzenia w północno-zachodniej Polsce
(Wydawnictwo Uniwersytetu Łódzkiego, 1986)
Spontaneous renewing of the yew in Poland takes place
basically on the way of endozoochory. The richest stand in Poland amounting
loover 5 thousand yew trees can be found in Goleniowska Wildwood near
Szczecin. Habitat ...
Ochrona grzybów w systemie ochrony przyrody w Polsce
(Wydawnictwo Uniwersytetu Łódzkiego, 1986)
A problem has been raised by mycologists who have
been appealing for protection of fungi which have begun to
disappear. The necessity of their law protection and placing
certain species on the list of protected species ...
Ocena stanu ochrony flory kserotermicznej w rezerwatach stepowych nad Dolną Wisłą
(Wydawnictwo Uniwersytetu Łódzkiego, 1986)
The paper points to the necessity of resuming former utilization
of steppe reserve areas, which owing to lack of grazing began to
become excessively grown over with trees and shrubs (summary see page
141).
Warunki skutecznej ochrony atlantyckiej flory torfowiskowej
(Wydawnictwo Uniwersytetu Łódzkiego, 1986)
In Poland nearly ali atlantic peat-bog species are to
different degrees threatened with extinction and require protection.
The choice of conservation method, whether through
strict or partial reservation, should depend ...
The conservation of plant gene resources in the „zapovedniks" of the USSR
(Wydawnictwo Uniwersytetu Łódzkiego, 1986)
The conservation of plant gene resources means the
maintenance of all diversity of flora and vegetation. Rare
species are the first to be threatened with extinction. They
have got limited areas and a rather scarce ...
Warunki zachowania zasobów genowych wybranych gatunków roślin górskich w regionie gdańskim
(Wydawnictwo Uniwersytetu Łódzkiego, 1986)
The author has carried out a preliminary analysis and an
estimation of odds and requirements for the maintenance of mountain plants
in the Gdańsk-Region, i.e. in an area of their greatest density in the West
Pomerania ...
Stan ochrony zasobow genowych roślin strefy przybałtyckiej
(Wydawnictwo Uniwersytetu Łódzkiego, 1986)
The authoress has presented the actual state of reserves,
national and nature parks in Pomerania, and discussed the
degree of representativeness of these objects for communities
and flora of particular geobotanical ...
Główne problemy ochrony zasobów genowych roślin w warunkach naturalnych „in situ"
(Wydawnictwo Uniwersytetu Łódzkiego, 1986)
Conservation in situ is, for many reasons, the most important
means of maintaining gene resources of wild plants.
Forms of this conservation must be constantly improved and
increasingly more diversified, and their ...