Essays about: "effective diameter"

Showing result 1 - 5 of 51 essays containing the words effective diameter.

  1. 1. Can urban tree re-inventories inform future species selection? : diameter at breast height as an indicator for tree performance in Malmö municipality’s tree database

    University essay from SLU/Dept. of Landscape Architecture, Planning and Management (from 130101)

    Author : Hannah Kit Kraynick Braegelmann; [2023]
    Keywords : DBH; ; diameter at breast height; tree inventories; tree re-inventories; urban forestry; species selection; tree management;

    Abstract : Using the inventory database of trees for Malmö municipality, Sweden, this study explored the potential of using the diameter at breast height (DBH) measurement in re-inventories, as a decision-making tool for species selection and management in urban forests. With the escalating pressures of urbanization and unpredictable climate change effects, there is an urgent need for urban forest managers to possess reliable tools that can facilitate the selection of resilient tree species capable of thriving in diverse and changing urban contexts. READ MORE

  2. 2. Increased carbon sequestration of actively restored tropical forests in Sabah, Malaysia : a comparison of natural regeneration and active restoration

    University essay from SLU/Dept. of Forest Ecology and Management

    Author : Johan Engström; [2023]
    Keywords : Degraded tropical forest; Active restoration; Carbon sequestration; Natural regeneration; Enrichment planting; Biomass accumulation;

    Abstract : As restoration with assisted natural regeneration and enrichment planting becomes a more important and popular method to restore ecosystem services and mitigate negative climate effects, these treatments and their effectiveness is heavily debated. There are three main groups of opinions regarding restoration, one is that humans actively need to help nature recover and the second is that nature itself does a better job without our help and the third is somewhere in between. READ MORE

  3. 3. The effect of taper on pile shaft bearing capacity : Finite element analysis of a tapered wooden pile in sulfate soil

    University essay from Luleå tekniska universitet/Institutionen för samhällsbyggnad och naturresurser

    Author : Jonathan Lindström; [2023]
    Keywords : Pile; taper; timber piles; wooden piles; sulphide soil; sulfate soil; tapered piles;

    Abstract : he usage of piles, especially wooden piles, have been going on for thousands of years in construction and foundation reinforcements. Sometimes this was done temporary like the Romans who used wooden piles to construct bridges in Britain, or more permanently like the piles upon which the floating city of Venice stands. READ MORE

  4. 4. Environmental factors affecting European spruce bark beetle (Ips typographus) outbreaks in Sweden : Linking AI-detected dead spruce, soil moisture, nature protection and bark beetle outbreak (Ips typographus) in Sweden

    University essay from Karlstads universitet

    Author : Petter Hessle; [2023]
    Keywords : Ips typographus; Biology; forest; Norway spruce; Picea abies; European spruce bark beetle; Ecology; outbreak; Ai; Sweden; Biologi; ekologi; skog; Granbarkborre; gran; Ai; utbrott; naturvård; Ips typographus; sverige;

    Abstract : Norway spruce (Picea abies) is a vital tree species in Sweden's extensive forested landscape. However, the planting of spruce beyond its natural range has made it vulnerable to pests like the spruce bark beetle (Ips typographus), which has caused substantial damage to Swedish forests. READ MORE

  5. 5. Moving towards a proactive sewer pipe inspection approach : A state-of-the-art analysis

    University essay from KTH/Hållbar utveckling, miljövetenskap och teknik

    Author : Ataul Hakim Mahamud; [2023]
    Keywords : Sewer failure; Inflow; and infiltration; CSO; Blockage; prediction model; proactive; Avlopps Fel; Inflöde och infiltration; CSO; Blockering; prediktionsmodell; proaktiv;

    Abstract : The failure of sewer pipes is a significant issue that can adversely affect the environment and public health. The problem is exacerbated by the additional burden it places on treatment plants, which must work harder to process the increased sewage flow resulting from pipe failures. READ MORE