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Author |
Kopacz, M.; Twardy, S. |
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Title |
Water and sewage management in the upper Dunajec river basin compared to the socio-structural transformations and surface water quality |
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Report |
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Year |
2012 |
Publication |
Woda Srodowisko Obszary Wiejskie |
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Volume  |
123 |
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Pages |
103-122 |
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Keywords |
CropM; LiveM |
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ITP Falenty |
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no |
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Call Number |
MA @ admin @ |
Serial |
2067 |
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Author |
Smoron, S. |
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Title |
The risk of surface waters eutrophication in loessial uplands of Malopolska |
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Report |
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Year |
2012 |
Publication |
Woda Srodowisko Obszary Wiejskie |
Abbreviated Journal |
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Volume |
121 |
Issue |
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Pages |
167-179 |
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Keywords |
CropM |
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Series Editor |
ITP Falenty |
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no |
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Call Number |
MA @ admin @ |
Serial |
2069 |
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Author |
Kowalczyk, A.; Twardy, S. |
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Title |
Comparison of the water erosion magnitude estimated by the modified USLE methods |
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Report |
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Year |
2012 |
Publication |
Woda Srodowisko Obszary Wiejskie |
Abbreviated Journal |
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Volume |
121 |
Issue |
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Pages |
83-92 |
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Keywords |
CropM |
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Series Editor |
ITP Falenty |
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no |
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Call Number |
MA @ admin @ |
Serial |
2068 |
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Author |
Orsini, F.; Alnayef, M.; Bona, S.; Maggio, A.; Gianquinto, G. |
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Title |
Low stomatal density and reduced transpiration facilitate strawberry adaptation to salinity |
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Journal Article |
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Year |
2012 |
Publication |
Environmental and Experimental Botany |
Abbreviated Journal |
Environmental and Experimental Botany |
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Volume |
81 |
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Pages |
1-10 |
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Keywords |
stomatal density; leaf gas exchanges; transpiration; salt tolerance; osmotic adjustment; salt-stress tolerance; water-use efficiency; nacl salinity; hydraulic conductivity; irrigation water; dynamic indexes; leaf expansion; abscisic-acid; growth; plants |
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Abstract |
Water and soil salinization are major constraints to agricultural productions because plant adaptation to hyperosmotic environments is generally associated to reduced growth and ultimately yield loss. Understanding the physiological/molecular mechanisms that link adaptation and growth is one of the greatest challenges in plant stress research since it would allow us to better define strategies to improve crop salt tolerance. In this study we attempted to establish a functional link between morphological and physiological traits in strawberry in order to identify margins to “uncouple” plant growth and stress adaptation. Two strawberry cultivars, Elsanta and Elsinore, were grown under 0, 10.20 and 40 mM NaCl. Upon salinization Elsanta plants maintained a larger and more functional leaf area compared to Elsinore plants, which were irreversibly damaged at 40 mM NaCl. The tolerance of Elsanta was correlated with a constitutive reduced transpirational flux due to low stomata! density (173 vs. 234 stomata mm(-2) in Elsanta and Elsinore, respectively), which turned out to be critical to pre-adapt plants to the oncoming stress. The reduced transpiration rate of Elsanta (14.7 g H2O plant(-1) h(-1)) respect to Elsinore (17.7 g H2O plant(-1) h(-1)) most likely delayed the accumulation of toxic ions into the leaves, preserved tissues dehydration and consented to adjust more effectively to the hyperosmotic environment. Although we cannot rule out the contribution of other physiological and molecular mechanisms to the relatively higher tolerance of Elsanta, here we demonstrate that low stomatal density may be beneficial for cultivars prescribed to be used in marginal environments in terms of salinity and/or drought. (C) 2012 Elsevier B.V. All rights reserved. |
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Address |
2016-10-31 |
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English |
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ISSN |
0098-8472 |
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Notes |
CropM |
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no |
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Call Number |
MA @ admin @ |
Serial |
4797 |
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Author |
Rötter, R.P.; Höhn, J.G.; Fronzek, S. |
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Title |
Projections of climate change impacts on crop production: A global and a Nordic perspective |
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Journal Article |
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Year |
2012 |
Publication |
Acta Agriculturae Scandinavica, Section A – Animal Science |
Abbreviated Journal |
Acta Agriculturae Scandinavica, Section A – Animal Science |
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Volume |
62 |
Issue |
4 |
Pages |
166-180 |
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Keywords |
climate change; impact projection; food production; uncertainty; crop simulation model; food security; integrated assessment; winter-wheat; scenarios; agriculture; adaptation; temperature; models; yield; scale |
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Abstract |
Global climate is changing and food production is very sensitive to weather and climate variations. Global assessments of climate change impacts on food production have been made since the early 1990s, initially with little attention to the uncertainties involved. Although there has been abundant analysis of uncertainties in future greenhouse gas emissions and their impacts on the climate system, uncertainties related to the way climate change projections are scaled down as appropriate for different analyses and in modelling crop responses to climate change, have been neglected. This review paper mainly addresses uncertainties in crop impact modelling and possibilities to reduce them. We specifically aim to (i) show ranges of projected climate change-induced impacts on crop yields, (ii) give recommendations on use of emission scenarios, climate models, regionalization and ensemble crop model simulations for different purposes and (iii) discuss improvements and a few known unknowns’ affecting crop impact projections. |
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Address |
2016-10-31 |
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English |
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Edition |
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ISSN |
0906-4702 1651-1972 |
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Notes |
CropM, ftnotmacsur |
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no |
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Call Number |
MA @ admin @ |
Serial |
4802 |
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