Late blight, caused by the oomycete Phytophthora infestans (Mont. de Bary 1876), is one of the most economically damaging plant diseases and certainly the most devastating disease in potato. The current research results ...

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 ...

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 ...

According to Water Framework Directive (WFD), phytoplankton abundance, composition and bloom metrics should be used in lake ecological quality assessment. Phytoplankton is highly sensitive to environmental changes and can ...

Plants are susceptible to various abiotic stress factors during their growth, such as low and high temperatures, drought, and excess water and light. At this time, rising temperature is one of the most topical issues as ...

The overall idea of PhD thesis was to explain with objective evidence and using mapping techniques, why and how people value particular visual landscapes. Mainstream mapping research usually refers to uniqueness, diversity ...

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 ...

Human activities and climate change have become the most consequential threats to freshwater ecosystems and their inhabitants, especially fish. The response of the fish population to their environment is not always ...

Estonian and Latvian rural landscapes are not static; they evolve under environmental influences, both natural and socioeconomic. The landscapes have undergone rapid transformation from the collectivised Soviet period to ...

The aims of the thesis were to evaluate the biomass and N accumulation of winter cover crop species (winter rye, winter turnip rape, forage radish, berseem clover and hairy vetch), winter hardiness of hairy vetch, the ...