95 uppsatser · sida 3 av 7
En jämförande studie av fyra län i Sverige
… of Natura 2000 when it comes to the selection of Natura 2000-sites with forest habitats and the creation of an additional protective measure. This study takes its basis in a bottom-up approach which focuses on value conflicts that have emerged regionally and how different …
Har diversiteten av kärlväxtarter förändrats?
… for the massive loss in plant species diversity is the fragmentation of habitats. In Europe, open pastures and meadows are the habitats going through the most changes during the 20th century, according to the agricultural changes. In this study vascular plants were invented at …
en jämförande studie av Sverige, Tyskland och Nederländerna
… already in place. Such a situation can lead to devastating consequences to the habitats and species in the area. In worst scenario it can lead to their extinction.Another aspect concerning the planning is in what extent the society can influence and bring up their opinions. The …
… June 1 to September 30. My field data consists of quantifying various habitats, treespecies (regeneration) at different altitudes, shrub layer, grass density, fallen trees and bushheap, soil type, light intensity and exposure. Apart from the daily rests I also have a …
med utgångspunkt i ståndort, egenskaper och historia
… these Scilla-species are hardy in Sweden? Which are their characteristics and habitats? What does their history of application look like? What is commercially available today? The aim of the work has been to make a survey of hardy and available Scilla-species, their …
… When the canopy closes again after a clear-cutting species that prefer open habitats reduces and those who prefer mature/closed forests increase. In this study we compare differences in diversity and community structure of ground beetles in stands of lodgepole pine and Scots …
a case study in tributaries to river Vindelälven, northern Sweden
… suitable spawning substrate in Scandinavian watercourses is sparse, spawning habitats for salmonids has become a scarce commodity. Lately, increasingly more attention has been given to the recreation and improvement of brown trout (Salmo trutta) spawning habitats in restoration …
… The goal was then to find a way to restore, maintain and increase the trout habitats by constructing and adding manmade wooden structures that would mimic natural deadwood and its features in flowing water. The inspiration was partially taken from a water restoration program in …
En jämförelse mellan RIDAS och internationella riktlinjer
… reduced in numbers. It has resulted in that species that depend on these habitats, saproxylic species, have become at risk to decrease in numbers or die out regionally. Previous studies have shown that the volume of wood mould is an important factor for occurrence and population …
… reduced in numbers. It has resulted in that species that depend on these habitats, saproxylic species, have become at risk to decrease in numbers or die out regionally. Previous studies have shown that the volume of wood mould is an important factor for occurrence and population …
… reduced in numbers. It has resulted in that species that depend on these habitats, saproxylic species, have become at risk to decrease in numbers or die out regionally. Previous studies have shown that the volume of wood mould is an important factor for occurrence and population …
ett trivalent programförslag för Södra Lillängen
… och en programförslagsdel. Förstudien bestod av en inventering, en art- och habitatsundersökning och en analys. Under inventeringen studerades området och omgivningen för att ta reda på vad som fanns på och omkring platsen idag. Vid frågor som rör Mariehamns stad har …
Fokus på betydelsen av konnektivitet på brandfält i boreal skog i Västerbottens län
… 1990, fire has been reintroduced under controlled forms to recreate burnt habitats. Many species that are dependent on, or benefits from, forest fires have increased since fire was reintroduced. The importance of connectivity is often addressed in ecological research. This is …
… wetland forests, that previously haven’t been considered as blue carbon habitats also contribute to coastal carbon sink capacity. However, several studies have shown that coastal wetlands produce and emit large quantities of methane (CH4) and nitrous oxide (N2O) which may …
en skogshistorisk studie av Åbengtshöjden/Bogranghöjden
… at different times. Most important is therefore the presence of species and habitats in the landscape in a larger perspective. Aerial photographs from different times shows that the study area is an island of older forest in a landscape of managed forests. 50 years ago this …
