Otsi
1.-10. nimetus 1293-st
Role of historical slash and burn cultivation in the development of cultural landscapes and forest vegetation in south Estonia
(Eesti Maaülikool, 2018)
The objective of this PhD thesis was to estimate the effects of historical rotational slash and burn cultivation on the formation of southern Estonian cultural landscapes and forest vegetation. Slash and burn cultivation ...
Virtual reality in support of sustainable tourism. Experiences from Eastern Europe
(Eesti Maaülikool, 2018)
This study is concerned with the questions: how tourism players perceive sustainable tourism and whether sustainable tourism planning practices include virtual travel as a means to improve visitor experiences. Furthermore, ...
Effect of host plants and land use on cabbage seed weevil infestation and associated parasitoids
(Eesti Maaülikool, 2018)
The need for more sustainable pest management strategies has been increasing in light of the harmful effects that insecticides have on non-target organisms and recent regulation changes. This study aimed to provide a basis ...
Factors influencing the distribution and overwintering survival of the potato rot nematode (Ditylenchus destructor Thorne1945)
(Eesti Maaülikool, 2011)
Kartulikasvatus on põhja parasvöötme kliimas läbi aastasadade taganud
inimeste põhitoiduse ja sellega muutunud põllumajanduse lahutamatuks
osaks. Kartuliingerjat (Ditylenchus destructor) teati tähtsa kartulikahjurina ...
Residues of some pharmaceuticals in sewage sludge in Estonia, their stability in the environment and accumulation into food plants via fertilizing
(Eesti Maaülikool, 2011)
Maakera rahvastiku kasv toob kaasa üha uusi lahendamist vajavaid
keskkonnaprobleeme. Intensiivistuva toiduainete tootmise tingimustes
on vaja üha enam tähelepanu pöörata toiduohutuse tagamisele.
Käesoleva doktoritöö ...
Ecotoxicological evaluation of synthetic nanoparticles and particulate environmental samples
(Eesti Maaülikool, 2010)
Viimasel kümnendil on nanotehnoloogia võidukäik teadlaste huviorbiiti toonud täiesti uuetüübilised osakesed - sünteetilised nanoosakesed. Nanosuurus (1-100 nm) annab osakestele erilised omadused võrreldes nende mikrosuuruses ...
Algae Pseudokircheriella subcapitata in environmental hazard evaluation of chemicals and synthetic nanoparticles
(Eesti Maaülikool, 2011)
Vetikad on peamised fotosünteesivad organismid veekogudes, tootes umbes poole Maa primaarproduktsioonist. Seeõttu on oluline keskkonnasaastuse mõju vetikate kasvule. Vetikad on ka head keskkonnatoksikoloogia mudelorganismid, ...
Systematics and Ecology of Selected Taxa of Wood-decaying Basidiomycetes
(Eesti Maaülikool, 2012)
Within a long period, the main groups of aphyllophoroid macrofungi: polypores and corticioids have been dealth with under the collective family names Corticiaceae and Polyporaceae. Recent studies have shown their polyphyletic ...
Thermo- and hygroreception in ground beetles (Coleoptera: Carabidae)
(Eesti Maaülikool, 2010)
Jooksiklaste suure tähtsuse tõttu toitumisahelates ja keskkonnasõbralikus kahjuritõrjes on nende kasulike putukate ökoloogilised nõudlused suurt tähelepanu pälvinud, samas jooksiklaste elupaiga valiku aluseks olevaid ...
The Effects of Natural and Anthropogenic Factors on the Physiological State of Insects
(Eesti Maaülikool, 2012)
1. A novel O2 respirometry system termed coulometric respirometry was developed able to record oxygen convective uptakes (passive sucction inspiration) during the F-phase. It is not possible to measure and record these O2 ...