Institute of Nature Conservation PAS

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The bladderworts, Utricularia sp. sp., are vanishing plants

Kosiba, Piotr

1990

Journal/Article

Delimitation of the systems of protected areas according to the criteria of landscape ecology upon the example of Polesie Lubelskie

Chmielewski, Tadeusz Jan (1950– )

1990

Journal/Article

The occurence of the black birch, Betula obscura, in the Ojców National Park

Danielewicz, Władysław

1990

Journal/Article

The problems of the protection of biocoenoses on glades in the mountain forest zone of the national parks in the Polish Carpathians

Michalik, Stefan

1986

Journal/Article

The Polish flora is in danger: Causes-Present state-Forecast

Michalik, Stefan

1988

Journal/Article

The endangered and the threatened species of the Polish flora: the problems of their protection

Michalik, Stefan

1989

Journal/Article

In defence of the nature in the High Bieszczady Mts.

Michalik, Stefan

1988

Journal/Article

The nature of the "Krutynia" reserve in the Mazury Lakeland projected to commemorate the writer Melchior Wańkowicz

Kruszelnicki, Jerzy

1981

Journal/Article

The locality of the ostrich fern, Matteucia struthiopteris in the Oświęcim Basin

Żarnowiec, Jan

1983

Journal/Article

An appeal on the establishment of new nature reserves in the vicinity of the town of Łódź

Kurowski, Józef K.

1982

Journal/Article

Pasturage and nature protection in the national parks of the Polish Carpathian Mts.

Michalik, Stefan

1986

Journal/Article

The oat grass Trisetum alpestre in the nature reserve called "The Białka River Gorge at Krempachy" in the Pieniny Klippen Belt

Frey, Ludwik

1985

Journal/Article

The locality of the black birch, Betula humilis, at Brzezowiec near Trzemeszno

Chmiel, Julian

1986

Journal/Article

The interesting peat-bogs in the province of Piotrków

Kucharski, Leszek

1989

Journal/Article

The problems of strict and partial protection in the Ojców National Park

Michalik, Stefan

1989

Journal/Article

The royal fern in the environs of Łódź

Kurowski, Józef K. Mamiński, Maciej

1982

Journal/Article

The locality of the twig-rush, Cladium mariscus, at Gorysławice near Wiślica deserves safeguarding

Mirek, Zbigniew

1983

Journal/Article

A complex of gypsum karst forms at Siesławice near Busko Zdrój deserves safeguarding

Kasprzak, Krzysztof Pniewski, Zygmunt

1979

Journal/Article

Some problems of the Wielkopolski (Major Poland) National Park

Banaszak, Józef Kasprzak, Krzysztof

1980

Journal/Article

Bidessus hamulatus, a rare species of the water cockchafers in the "Lake Tyrsko" floral reserve near Olsztyn

Biesiadka, Eugeniusz

1988

Journal/Article

Barbastelle Barbastella barbastellus in the Biebrza Valley

Lesiński, Grzegorz

1994

Journal/Article

What has remained of the Atlantic peat-bog of Bielawskie Błoto

Herbichowa, Maria

1972

Journal/Article

Rare and protected plant species on Mount Chojnik in the Karkonosze National Park

Świerkosz, Krzysztof

1992

Journal/Article

New data on nature conservation in Mongolia

Alexandrowicz, Zofia

1984

Journal/Article

A locality of the sword glass Isis Sibirica in central Poland

Andrzejewski, Hieronim

1985

Journal/Article

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