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Renewable energy sources today and tomorrow

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Wilas J. , Masniak R. , Daniszewski P. , Jadczak P.

World Scientific News

2016

tom 60

Nutrient, chlorophyll, and water clarity relationships in Baltic Sea nearshore coastal waters with comparisons to freshwater lakes Barlinek Gorzow Landscape Park (North-West Poland)

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Wilas J. , Daniszewski P. , Cyraniak E. , Draszawka-Bolzan B.

World Scientific News

2016

tom 57 Special Volume

Models relating chlorophyll to nutrients and Secchidepth to chlorophyll using data from nearshore coastal waters of Baltic Sea were successfully developed. The models suggest that phosphorus is the primary limiting factor for phytoplankton in the nearshore coastal waters of Baltic Sea and that total phosphorus concentration accounts for 65% of the variance in chlorophyll concentration.The models also show that chlorophyll is the dominant factor determining Secchi depth in nearshore coastal waters of Baltic Sea and that chlorophyll concentrations account for 38% of the variance in Secchi depth.On the basis of the analysis of research in the Western and Northern Polish Lakes summer macrozoobenthos it can be concluded that in the lakes Barlinek-Gorzow Landscape Park (Barlineckie Lake, Glebokie Lake, Lubiszewko Lake, Przyleg Lake) very intensively develop Oligochaeta. While the larvae of Chironomidae subdominants status in the period under review amounting to water, developed in other lakes much more intensely, acting mostly the main ingredient of benthic fauna. The results obtained have revealed that the ecological condition of the water in the lakes Barlinek-Gorzów Landscape Park (Barlineckie Lake, Glebokie Lake, Lubiszewko Lake, Przyleg Lake) is very bad

Problems Nature 2000 sites

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Wilas J. , Draszawka-Bolzan B. , Cyraniak E. , Daniszewski P.

2016

tom 03

In spite of widespread support from the population of most member countries for European Union policy, including support for sustainable development, in many EU countries, the levels of acceptance of new environmental protection programmes have been and, in particular in new member states, still are considerably low. The experience of the countries which were the first to implement union directives show that they cannot be effectively applied without widespread public participation. The goal of this study was, using the example of Poland, to assess public acceptance of the expansion of nature conservation in the context of sustainable development principles and to discover whether existing nature governance should be modified when establishing new protected areas. The increase in protected areas in Poland has become a hotbed of numerous conflicts. In spite of the generally favourable attitudes to Nature that Polish people have, Nature 2000 is perceived as an unnecessary additional conservation tool. Both local authorities and communities residing in the Natura areas think that the programme is a hindrance, rather than a help in the economic development of municipalities or regions, as was initially supposed. This lack of acceptance results from many factors, mainly social, historic and economic. The implications of these findings for current approach to Nature governance in Poland are discussed.

Rozmnażanie śniedka arabskiego (Ornithogalum arabicum L.) przez sadzonki dwułuskowe z wykorzystaniem ekstraktów z alg morskich

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Salachna P. , Zawadzinska A. , Piechocki R. , Wilas J.

Folia Pomeranae Universitatis Technologiae Stetinensis. Agricultura, Alimentaria, Piscaria et Zootechnica

2014

tom 30

Aim of the experiment carried out in 2008–2009 was to assess the effect of the kind of twin scales and seaweed extracts on yield of adventitious bulbs of Arabian Star Flower (Ornithogalum arabicum L.). The twin scales were excised from the outer and inner of the parent bulb. The twin scales were soaked for 30 minutes in 0.2% solution of AlgaminoPlant and Goëmar Goteo containing extracts of algae Ascophyllum and Sargassum. The research showed the number of adventitious bulbs formation was greater when twin scales were excised from the outer of the parent bulb. The adventitious bulbs formed from outer twin scales had a higher fresh weight, circumference, number and length of roots. The seaweed extracts used stimulated the number and length of roots of adventitious bulbs.