81 uppsatser · sida 5 av 6
Stridsfordons påverkan på olika naturtyper i militära övningsområden
… in the old cultural landscape. Soil damage from combat vehicles benefits insects and creates pools for amphibians. Damages on trees create snags and woody debris which favors a large amount of species. The military exercises also keep an open landscape.
att skapa ett hållbart fiske med hög kvalitet
… and the chemical quality is in general very high. The number and density of insects and other aquatic organisms that is food for grayling and trout is quite high.Ammerån has been restored to look like it did before the rafting, and one has posted stone to create habitat for the …
… the properties of wood decreases over time. Rot, UV radiation and attacks by insects and pests damage wood if not protected. Since we want what we build to consist, optimizing our building materials durability is of great interest. Techniques and methods for increasing the …
a laboratory study based on olfaction
… importance in several horticultural and agricultural crops. Knowledge of insect feeding preferences and behavior is crucial in order to find economically and ecologically sustainable solutions to the problems caused by these herbivores. The aim of this thesis was to study the …
… will appeal to the human senses and different animal species such as birds, insects etc. The hope with creating a greater variation in the forest is to protect and increase the biodiversity in the area. It is important to learn from the mistakes made in the history of forest …
… to create spawning- and resting locations for the trout but also to attract insects which is the staple food for brown trout and to change the current to make the stream habitats more dynamic. The fieldwork took place in a part of Hedströmmen called Kyrkströmmen which is a …
en studie av tid i tre av Tranströmers diktsamlingar
Den här studien analyserar Tranströmers diktsamlingar 17 dikter, Hemligheter på vägen och Klanger och spår utifrån tematiken kring tid. Detta genom närläsning av dikterna och application av kognitiv lingvistik på metaforerna kopplade till tid. Resultatet av studien är att all …
En fallstudie i Kronobergs län
… a longer growing season. With the changing climate risk of damage by such as insects, fungi and storms are expected to increase. Hence, it is of highest importance for private forest owners to spread these risks in the way they cultivate their forest. In this study a qualitative …
hur ser kunskapsläget ut hos några olika grupper människor?
… These fungi also create environments for other species, such as birds and insects. The vegetation of a forest is determined by a series of factors; tree species, how old the forest is, soil type, as well as the ability of the fungal spores to spread and establish. Furthermore …
and preparations for a metagenomic survey of virus in mosquitoes
… means that new areas are exploited and that people, livestock, blood sucking insects and wild animals are forced to live close together. In combination with the global warming, leading to extreme weather such as floods and storms, this allows both new and old pathogens to …
Renen har genom tiderna varit ett bytesdjur, arbetsdjur och produktionsdjur. Dagens renskötsel är inriktad på köttproduktion med sekundära inkomster från pälsar och hantverk. Rennäringen drabbas årligen av ekonomiska förluster till följd av snöskred, laviner, trafikolyckor och …
… legislation. For example it would be interesting to investigate wheter live insects or rubber chewtoys would have any enriching effects on captive giant otters. Furthermore it could be interesting to insert the food into grapevine balls to make it harder for the otters to gain …
… natural behaviour. Horses who don’t wear a blanket can become hypothermic, insect attacked and have an extra strain on their thermoregulation when training in the wintertime if they have an intact fur.
Syftet med detta arbete var att sammanställa information kring letala och subletala effekter av oljor och såpor på parasitsteklarna Encarsia spp. och Aphidius spp. Resultaten baseras främst på vetenskapliga artiklar, men det gjordes även en mindre intervjuundersökning. De som …
Inventering av markstörningar i samband med O-Ringen i Skåne 2014
… between biodiversity and disturbance of the landscape. In sandy soils many insects and plants require exposed sand to survive while the disorder may contribute to seed dispersal in the woodlands. On behalf of O-Ringen Skåne 2014, a study of the interference from orienteering in …
