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		<identifier>oai:rcin.org.pl:80469</identifier>
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<dc:title xml:lang="en"><![CDATA[Density and biomass of aphids]]></dc:title>
<dc:title xml:lang="en"><![CDATA[Density and biomass of aphid communities (Homoptera, Aphididae)in winter wheat crop and sugar beet crop in the vicinity of Turew (Poznań region, Poland)]]></dc:title>
<dc:title xml:lang="pl"><![CDATA[Density and biomass of aphids]]></dc:title>
<dc:title xml:lang="pl"><![CDATA[Density and biomass of aphid communities (Homoptera, Aphididae)in winter wheat crop and sugar beet crop in the vicinity of Turew (Poznań region, Poland)]]></dc:title>
<dc:creator><![CDATA[Krzywiec, Danuta]]></dc:creator>
<dc:subject xml:lang="en"><![CDATA[aphids]]></dc:subject>
<dc:subject xml:lang="en"><![CDATA[species composition]]></dc:subject>
<dc:subject xml:lang="en"><![CDATA[density]]></dc:subject>
<dc:subject xml:lang="en"><![CDATA[biomass]]></dc:subject>
<dc:subject xml:lang="en"><![CDATA[morph-age structure]]></dc:subject>
<dc:subject xml:lang="en"><![CDATA[cultivated fields]]></dc:subject>
<dc:subject xml:lang="pl"><![CDATA[aphids]]></dc:subject>
<dc:subject xml:lang="pl"><![CDATA[species composition]]></dc:subject>
<dc:subject xml:lang="pl"><![CDATA[density]]></dc:subject>
<dc:subject xml:lang="pl"><![CDATA[biomass]]></dc:subject>
<dc:subject xml:lang="pl"><![CDATA[morph-age structure]]></dc:subject>
<dc:subject xml:lang="pl"><![CDATA[cultivated fields]]></dc:subject>
<dc:description xml:lang="en"><![CDATA[The paper presents results of two years of investigations on aphid communities in winter wheat crop and aftercrop and in sugar beet crop (species composition, numbers, density, biomass and morph-age structure of the populations of dominant species Sitobion avenae (F.) and Aphis fabae Scop.). In 1979, there was an outbreak of S. avenae. The average density of the community was: 1648 indiv. · m-2, biomass 237.8 mg d. wt. · m-2. But in 1980 density and biomass of A.fabae were exceptionally low; mean density of the community was 36.1 indiv. · m-2 and biomass was 3.7 mg d. wt. · m-2.]]></dc:description>
<dc:description xml:lang="en"><![CDATA[Pages 531-543 : illustrations ; 24 cm]]></dc:description>
<dc:description xml:lang="en"><![CDATA[Bibliographical references (pages 542-543)]]></dc:description>
<dc:description xml:lang="en"><![CDATA[Abstract in Polish]]></dc:description>
<dc:description xml:lang="pl"><![CDATA[The paper presents results of two years of investigations on aphid communities in winter wheat crop and aftercrop and in sugar beet crop (species composition, numbers, density, biomass and morph-age structure of the populations of dominant species Sitobion avenae (F.) and Aphis fabae Scop.). In 1979, there was an outbreak of S. avenae. The average density of the community was: 1648 indiv. · m-2, biomass 237.8 mg d. wt. · m-2. But in 1980 density and biomass of A.fabae were exceptionally low; mean density of the community was 36.1 indiv. · m-2 and biomass was 3.7 mg d. wt. · m-2.]]></dc:description>
<dc:description xml:lang="pl"><![CDATA[Strony 531-543 : ilustracje ; 24 cm]]></dc:description>
<dc:description xml:lang="pl"><![CDATA[Bibliografia na stronach 542-543]]></dc:description>
<dc:description xml:lang="pl"><![CDATA[Streszczenie w języku polskim]]></dc:description>
<dc:publisher><![CDATA[Polish Scientific Publishers]]></dc:publisher>
<dc:contributor><![CDATA[Polska Akademia Nauk. Instytut Ekologii]]></dc:contributor>
<dc:date><![CDATA[1988-1989]]></dc:date>
<dc:type xml:lang="en"><![CDATA[Text]]></dc:type>
<dc:type xml:lang="pl"><![CDATA[Tekst]]></dc:type>
<dc:format xml:lang="en"><![CDATA[application/pdf]]></dc:format>
<dc:format xml:lang="pl"><![CDATA[application/pdf]]></dc:format>
<dc:identifier><![CDATA[ISSN 0420-9036]]></dc:identifier>
<dc:identifier><![CDATA[https://rcin.org.pl/miiz/dlibra/publication/87869/edition/80469/content]]></dc:identifier>
<dc:identifier><![CDATA[oai:rcin.org.pl:80469]]></dc:identifier>
<dc:source xml:lang="en"><![CDATA[MiIZ PAN, call no. P.2840]]></dc:source>
<dc:source xml:lang="en"><![CDATA[http://katalog.pan.pl/webpac-bin/228bmiizPL/wgbroker.exe?new+-access+top+search+open+NR+kz2006002718]]></dc:source>
<dc:source xml:lang="pl"><![CDATA[MiIZ PAN, sygn. P.2840]]></dc:source>
<dc:source xml:lang="pl"><![CDATA[http://katalog.pan.pl/webpac-bin/228bmiizPL/wgbroker.exe?new+-access+top+search+open+NR+kz2006002718]]></dc:source>
<dc:language><![CDATA[eng]]></dc:language>
<dc:relation><![CDATA[1. Gałecka B., Ryszkowski L. 1975 - Aphid production in potato crops - Pol. ecol. Stud. 1(3): 139-148.]]></dc:relation>
<dc:relation><![CDATA[2. Krzywiec D. 1968 - Biologia mszyc [Biology of aphids] (In: Kurs afidologii ogólnej, Ed. K. Berliński) - Ossolineum, Wrocław-Warszawa-Kraków, 53-92.]]></dc:relation>
<dc:relation><![CDATA[3. Madany R., Radomski C., Łykowski B., Jakubiak J. 1972a - Warunki termiczne regionu poznańskiego ze szczególnym uwzględnieniem Turwi [Temperature conditions of Poznań region with special attention given to Turew] - Zesz. nauk. Inst. Ekol. PAN, 5: 35-74.]]></dc:relation>
<dc:relation><![CDATA[4. Madany R., Radomski C., Łykowski B., Jakubiak J. 1972b - Warunki opadowe rejonu Turwi [Precipitation conditions of the Turew region] - Zesz. nauk. Inst. Ekol. PAN, 5: 75-102.]]></dc:relation>
<dc:relation><![CDATA[5. Margowski Z. 1972 - Właściwości hydro-pedologicznc gleb okolic Turwi [Hydro-pedological properties of the soils near Turew] - Zesz. nauk. Inst. Ekol. PAN, 5: 109-136.]]></dc:relation>
<dc:relation><![CDATA[6. Margowski Z. 1977 - Gleby płowe okolic Kościana [Lessive soils in the Kościan vicinity J (In: Przewodnik do trasy konferencji terenowej Zjazdu 40-lecia Polskiego Towarzystwa Gleboznawczego i 125-lecia Poznańskiego Towarzystwa Przyjaciół Nauk) - PTG, Oddz. Poznański PTPN, Poznań, 35-41.]]></dc:relation>
<dc:relation><![CDATA[7. Margowski Z., Bartoszewicz A. 1976 - Influence of agricultural use on the chemical composition of ground water - Pol. ecol. Stud. 2(1): 15-21.]]></dc:relation>
<dc:relation><![CDATA[8. Margowski Z., Bartoszewicz A., Siwiński A. 1976 - Soil formed from boulder loam containing sand in the upper layers of the Kościan Plain - Pol. ecol. Stud. 2(1): 5 -13.]]></dc:relation>
<dc:relation><![CDATA[9. Margowski Z., Borowicz A., Wróblewski M. 1968 - Wpływ zadrzewienia pasowego na właściwości gleb terenów przyległych [The effect of shelterbelt on soil properties of adjacent areas] - Zesz. probl. Post. Nauk roln. 77: 203-210.]]></dc:relation>
<dc:relation><![CDATA[10. Ryszkowski L. 1975 - Energy and matter economy of ecosystems (In: Unifying concepts in ecology, Ed. W. H. Dobben, R.H. Lowe-Mc Connell) - Junk B. V. Publishers, Hague-Wageningen, 109-126.]]></dc:relation>
<dc:relation><![CDATA[11. Ryszkowski L. 1979 - Produkcja rolna a przepływ energii i obieg materii w agroekosystemach [Agricultural production versus energy flow and matter circulation in agroecosystems] - Zesz. probl. Post. Nauk roln. 228: 29-50.]]></dc:relation>
<dc:relation><![CDATA[12. Ryszkowski L. 1981 - Wpływ intensyfikacji rolnictwa na faunę [Effects of agriculture intensification on fauna] - Zesz. probl. Post. Nauk roln. 233: 7-38.]]></dc:relation>
<dc:relation><![CDATA[13. Vickerman G. P., Wratten S. D. 1979 - The biology and pest status of cereal aphids (Hemiptera: Aphididae) in Europe: a review - Bull. ent. Res. 69: 1-32.]]></dc:relation>
<dc:relation><![CDATA[14. Watt A. D. 1979 - The effect of cereal growth stages on the reproductive activity of Sitobion avenae and Metopolophium dirhodum - Ann. appl. Biol. 91: 147-157.]]></dc:relation>
<dc:relation><![CDATA[15. Weismann L., Vallo V. 1963 - Voska makova - Vyd. Slov. Akad. Vied, Bratislava, 304 pp.]]></dc:relation>
<dc:relation><![CDATA[16. Wellings .P. W., Leather S. R., Dixon A. F. G. 1980 - Seasonal variation in reproductive potential: a programmed feature of aphid life cycles - J. anim. Ecol. 49: 975-985.]]></dc:relation>
<dc:relation><![CDATA[17. Złotkowski J. 1982 - Mszyce (Aphididae) - nowe zagrożenie dla zbóż [The aphids (A.phididae) - a new menace for cereals] - Materialy XXII i XXIII Sesji Naukowej Instytutu Ochrony Roślin, Poznań, 211-216.]]></dc:relation>
<dc:relation><![CDATA[Ekologia Polska]]></dc:relation>
<dc:relation><![CDATA[oai:rcin.org.pl:publication:87869]]></dc:relation>
<dc:rights xml:lang="en"><![CDATA[Creative Commons Attribution BY 3.0 PL license]]></dc:rights>
<dc:rights xml:lang="pl"><![CDATA[Licencja Creative Commons Uznanie autorstwa 3.0 Polska]]></dc:rights>
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