Sökning: "Peter Crittenden"

Hittade 2 avhandlingar innehållade orden Peter Crittenden.

  1. 1. Epiphytic lichen responses to nitrogen deposition

    Författare :Otilia Johansson; Kristin Palmqvist; Johan Olofsson; Annika Nordin; Lars E Ericson; Peter Crittenden; Umeå universitet; []
    Nyckelord :NATURAL SCIENCES; NATURVETENSKAP; NATURVETENSKAP; NATURAL SCIENCES; Lichens; air pollution; nitrogen deposition; phosphorus; growth; chlorophyll a; boreal forest; field experiment; irrigation; carbon based secondary compounds; Lavar; luftföroreningar; alg; svamp; kväve; fosfor; skog; Terrestrial ecology; Terrestrisk ekologi; ekologisk botanik; Ecological Botany;

    Sammanfattning : Nitrogen (N) deposition has increased globally over the last 150 years and further increase is predicted for the future. Nitrogen is an important nutrient for lichens, involved in many processes in both photobiont and mycobiont.  However, N can be a stressor, causing many lichens and lichen communities to disappear with increased deposition. LÄS MER

  2. 2. Online brand relationship building : Asia pacific perspectives

    Författare :Peter Steyn; Luleå tekniska universitet; []
    Nyckelord :SOCIAL SCIENCES; SAMHÄLLSVETENSKAP; SAMHÄLLSVETENSKAP; SOCIAL SCIENCES; Online Brand Communications; Consumer Empowerment; Information Technology; Online Brand Relationship Building; Consumer Generated Content; Internet; Bloggers; Industrial Marketing; Industriell marknadsföring;

    Sammanfattning : Information technology is empowering consumers through the availability of information, interactivity of online communication tools, and the connectivity with others. The newly empowered consumer is a co-creator of brand communications and is rapidly developing a sense of co-ownership in brands. LÄS MER