Sökning: "amphibious"

Hittade 3 avhandlingar innehållade ordet amphibious.

  1. 1. Anatomy of the amphibious liverwort Ricciocarpus natans

    Författare :Eva Kronestedt; Stockholms universitet; []
    Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; Levermossor morfologi;

    Sammanfattning : The purpose of the present investigation was to study the structural adaptations in the terrestrial and aquatic life-forms of Ricciocarpus natans and to obtain more information on the ultrastructure and morphogenesis of cells and tissues in this member of the hepatics. Optical and electron (scanning and transmission) microscopy were combined to elucidate various structural aspects. LÄS MER

  3. 2. Superior Underwater Vision in Humans

    Författare :Anna Gislén; Biologiska institutionen; []
    Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; taxonomy; zoogeography; Zoologisk systematik; djurgeografi; Systematic zoology; contrast sensitivity; spatial vision; Accommodation; pupil;

    Sammanfattning : Amphibious vision is accomplished in many animals by special optical and physiological adaptations in the eyes. However, human eyes are considered to be adapted to a life in air since our curved outer cornea – which is used to refract more than two-thirds of the incoming light on land – becomes useless underwater. LÄS MER

  4. 3. The Duality of Tactical Thought : A Study of how Swedish Land Forces’ Commanders view Tactics in Irregular Warfare

    Författare :Michael Gustafson; Col Pasi Kesseli; Donald Broady; Torsten Björkman; Försvarshögskolan; []
    Nyckelord :SAMHÄLLSVETENSKAP; SOCIAL SCIENCES; Bourdieu; military thought; tactics; Irregular Warfare; Multiple Correspondence Analysis; field theory; sociology; War Studies; Krigsvetenskap; Krigsvetenskap;

    Sammanfattning : This is a sociological study of the views of officers in the Swedish Army and its Amphibious Forces on tactics in Irregular Warfare (IW), in particular, Counterinsurgency (COIN). IW comprises struggles, where the military weaker part uses an indirect approach with smaller units and integrates the civilian and military dimensions in a violence spectrum including subversion, terrorism, Guerrilla Warfare and infantry actions. LÄS MER