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Mesophyll conductance in gymnosperms
(Eesti Maaülikool, 2020)
Mesophyll conductance is the CO2 diffusion efficiency through the leaf from the substomatal cavity to chloroplasts located in plant cells. It is an important step determining photosynthetic efficiency next to photosynthetic ...
Impact of farming system, pre-crop and weather conditions to yield and quality of spring wheat
(Eesti Maaülikool, 2020)
Present thesis studies the impact of farming system, pre-crop and weather conditions to yield and quality of spring wheat. The main objectives were: (i) to determine the effect of six leguminous pre-crop species (perennial ...
Begomovirus infection in tomato fruit
(Eesti Maaülikool, 2017)
In an era of globalization and increased food trade, and considering the implementations of climate change on establishment of pathogens into new areas, it is of importance to monitor traded plant material for the presence ...
The effect of military vehicles on rut formation on Estonian soils and natural recovery of the ruts
(Eesti Maaülikool, 2019)
Soil degradation resulting from the passages of agricultural, forestry, rescue, and military vehicles has gained global interest. One of the first indications that the soil is being harmed by vehicle traffic is rutting. ...
Effects of natural and anthropogenic pressures and disturbances on the macrophytes of Lake Peipsi
(Eesti Maaülikool, 2017)
Macrophytes play an important role in aquatic ecosystems. Their temporal and spatial distribution is governed by various natural and anthropogenic pressures and disturbances. The aim of the thesis is to study the effect ...
High-Frequency Measurements - A New Approach in Limnology
(Eesti Maaülikool, 2017)
Until recently, time consuming and costly manual measurements have been predominating in lake research and monitoring. Usually, this kind of measurements do not provide sufficient temporal and spatial resolution if any. ...
A tiered framework for mapping and assessing ecosystem services from semi-natural grasslands: expert-based assessments, proxy indicators and uav surveys
(Eesti Maaülikool, 2020)
Semi-natural grasslands provide a wide range of goods and services, including plant species diversity, carbon storage and sequestration, biomass production for grazing animals, flood reduction, habitat for migratory and ...
Determination of emission factors from anthropogenic particle sources for air emission and health impact assessment
(Eesti Maaülikool, 2019)
There is substantial exposure to coarse particles (PM10) and fine particles (PM2.5) in major Estonian cities that cause a considerable amount of health effects, mainly in the form of cardiovascular and respiratory diseases. ...
Emission, gene regulation and function of terpenoids in tomato (Solanum lycopersicum) and yarrow (Achillea millefolium)
(Eesti Maaülikool, 2016)
Rising temperature have a profound impact on many natural ecosystems worldwide. During the last 100 years, global temperature has been increased by 0.76◦C per year as a result of increasing concentrations of greenhouse ...
Exploring the salutogenic properties of the landscape: from garden to forest
(Eesti Maaülikool, 2016)
Around the world, there is increasing interest in research showing the impact of the physical environment on people’s health and wellbeing. This work focuses on landscape reading according to chosen theories in healing ...