Uppsatser om scots pine.
61 uppsatser · sida 3 av 5
Högskoleuppsats · SLU
… called ”Furudalsförsöket” is the underlay to the study's results. By comparing Scots pine stands development in relation to known damage obtained thereby gives the understanding of how browsing affects the short and long terms impacts of Scots pines quality and volume …
Examensarbete · SLU
… from the stands are compared. The assortments are as follows: sawlogs from Scots pine (named TT), sawlogs from Norway spruce (GT), coniferous pulpwood (BM), hardwood pulpwood (LM) and the total volumes from each stand (TOT). The thesis consists of four separate studies. Study 1 …
föryngringsresultat efter 10 år
Examensarbete, avancerad nivå · SLU
Maskinell markberedning följt av manuell plantering är den vanligaste föryngringsrutinen efter en föryngringsavverkning i Sverige. Många av de forskningsrön som dagens markberednings- och planteringsinstruktioner bygger på är baserade på äldre fältexperiment. Uppföljningar av …
a look at Finnish and Swedish forest practices and their applicability in British Columbia’s Interior forests
Masteruppsats · SLU
… volumes are similar to unthinned stands, ranging from a decrease (ca. 20%) in Scots pine (Pinus sylvestris L.) to a slight increase (0-5%) in Norway spruce (Picea abies L.). Average tree diameters are greater in thinned stands, a determining factor in stand culmination. Thinning …
en skogshistorisk studie av Hällforsmarken under 1900-talet
Examensarbete · SLU
… forest stands. The species composition has shifted towards and increase of Scots pine. Pinus contorta has been introduced by afforestation in the area of the study. The reason that the forest in the area of the study has changed so radically is due to the fact that it first was …
är produktionen hållbar?
Examensarbete · SLU
… the hypothesis that Norway spruce (Picea abies L. Karst), planted on poor ”Scots pine” stands will not have sustained growth during the whole rotation, due to water deficit in the closed stands. In order to investigate this hypothesis, data from 10 Norway spruce stands in …
en brandhistorisk analys med förslag för framtida skötsel
Examensarbete · SLU
… was done by cross-dating fire scars in samples taken from living and dead Scots pine (Pinus sylvestris). Local fire chronologies were established at 17 points in the forests in and around Fulufjället National Park by cross-dating fire scars on 54 samples. The oldest year-ring …
effekter på produktivitet och kvarvarande bestånd
Examensarbete · SLU
… when the ground was covered with snow. The experiment was conducted in three Scots pine (Pinus sylvestris) dominated stands, which were in need of PCT through removal of deciduous trees. Within each stand, 20 plots (20*20 m) were marked out. The plots were ranked according to …
Examensarbete · SLU
… database ”Kotten”, have an average height of maximum 3 m, be planted with Scots pine or Contorta between 1986-1993 and be on mesic or dry sites. 17 objects were chosen randomly for an inventory. A systematic sample plot inventory was done during the summer 2004 with 20 sample …
Examensarbete · SLU
… concerning seedling establishment and growth of direct seeded and planted Scots pine seedlings. Inventories were made during June and July 2005, in 34 seeded and 6 planted stands from 2000 ? 2004 (1- 5 years old) of lichen- and myrtillus/vaccinum-type in Holmen Skog AB´s …
Examensarbete · SLU
… to the Board of Forestry, in Västerbotten, many natural regenerations of Scots pine (Pinus sylvestris) carried out on privately owned forest in the middle of 1990 in Västerbotten have rendered a bad regeneration outcome and will provide a low future forest production. The Board …
Magisteruppsats · SLU
… after the air photo acquisition). A majority of the stands were dominated by Scots pine. All stands were young forests that according to Holmen Skog were ready for their first thinning cutting in the following five year period.The estimation of number of stems per hectare was …
Magisteruppsats · SLU
… in Sweden is today very dependent on tree species as Norway spruce and Scots pine (Pinus sylvestris), but in recent years the interest for other species has grown. One tree species that has become very interesting is hybrid larch (Larix × eurolepis Henry.), regarded as a fast …
Magisteruppsats · SLU
Röjning är en skötselåtgärd som påverkar det framtida beståndets utveckling och skördeutfall. Olika och delvis motstridiga mål måste beaktas vid röjningstillfället. I praktiken blir många bestånd röjda mer än en gång. En orsak till upprepad röjning är att det kan uppstå behov av …
Kandidatuppsats · SLU
… directly controlled by the size of the crown. The amounts of heartwood in four Scots pine stands, including a dense low quality site, a low density high quality site, and two in be-tween, was examined by extraction of core samples. According to the hypothesis dense stands at low …