Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 13 of 13 for “"ekologia"”.
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Interakcje gospodarz – parazytoid na przykładzie Polistes nimpha (Christ, 1791) (Hymenoptera: Vespidae) i Latibulus argiolus (Rossi, 1790) (Hymenoptera: Ichneumonidae)
… kamery cyfrowej. Przedmiotem badań były: 1) ekologia i śmiertelność kolonii os; 2) interakcje behawioralne między gospodarzem a parazytoidem; 3) stopień spasożytowania gniazd; 4) fenologia obu gatunków; 5) wpływ populacji parazytoida na populację gospodarza. W trakcie badań zaobserwowano że: …
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Metsävarojen käytön hiilineutraalius
… ja vertailu eri tiedesuuntien (ekologia, biologia, ekonomia) tavoista tutkia metsävarojen käyttöä ja sen hiilineutraaliutta. Aiheen kirjallisuus sisältää paljon monitieteisyyttä, eli samassa tutkimuksessa on voitu käyttää esim. sekä biologisia tekijöitä kuvaavia malleja, että …
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Spatial ecology of food webs : herbivore-parasitoid communities on the pedunculate oak
Herbivorous insects, their host plants and natural enemies form the largest and most species-rich communities on earth. But what forces structure such communities? Do they represent random collections of species, or are they assembled by given rules? To address these questions, food webs offer …
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Of the interactions between eye fluke parasites and salmonid fishes
In addition to their major biological significance, parasites interest scientists due to their importance in agriculture, aquaculture and medicine. In this thesis I look at local adaptation between salmonid fishes and Diplostomatidae parasites as well as genetic differences in rainbow trout …