Essays about: "reptiler"

Showing result 21 - 23 of 23 essays containing the word reptiler.

  1. 21. Amphibian and reptile distribution in forests adjacent to watercourses

    University essay from Fakulteten för samhälls- och livsvetenskaper

    Author : Cecilia Olsson; [2008]
    Keywords : Rana arvalis; Rana temporaria; Natrix natrix; Lacerta vivpara; deciduous trees; canopy cover; woody debris; bare ground;

    Abstract : Worldwide amphibians and reptiles are declining with habitat fragmentation and destruction as the primary cause. Riparian areas are important for the herpetofauna, but as land is converted to agriculture or harvested for timber the areas are diminishing. READ MORE

  3. 22. En uppföljning av floran i Enköpings vattenpark : kan anlagda våtmarker med vattenrening som huvudsyfte bidra till naturvård och biologisk mångfald?

    University essay from SLU/Dept. of Ecology

    Author : Erika Hedberg; [2008]
    Keywords : våtmarksvegetation; anlagda våtmarker; naturvård; biologisk mångfald;

    Abstract : Wetlands are important ecosystems and form habitat for both common and threatened species. In Sweden, as well in many other places on earth, there is a lack of wetlands. There is an expressed will to adjust this lack through restoration of wetlands with reduced function and through construction of new wetlands. READ MORE

  4. 23. Morphological and functional differences between rhamphorhynchoid and pterodactyloid pterosaurs with emphasis on flight

    University essay from Lunds universitet/Geologiska institutionen

    Author : Elisabeth Einarsson; [2004]
    Keywords : pterosaurs; Rhamphorhynchoidea; Pterodactyloidea; morphology; wings; flight; aerodynamics; air sacs; flygödlor; morfologi; vingar; flygning; aerodynamik; luftsäckar; Earth and Environmental Sciences;

    Abstract : To explain how the morphological differences between Rhamphorhynchoidea and Pterodactyloidea affect flight performances and life styles wings and claws of pterosaur fossils from collections in Uppsala and Munich have been measured. The measured specimens are from Jurassic limestones and shales in Solnhofen, Eichstätt and Holzmaden and include Dorygnathus, Campylognathoides, Rhamphorhynchus, Anurognathus, Pterodactylus, Germanodactylus and Gallodactylus. READ MORE