Essays about: "reproduction"

Showing result 1 - 5 of 466 essays containing the word reproduction.

  1. 1. Restaureringens effekt på öringpopulationen

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

    Author : Ola Carlström; Sebastian Dagman; [2022]
    Keywords : restaurering; flottning; öring; älv; bäck;

    Abstract : Until the 1970s, rivers in Sweden were used for timber floating. In order for the floating to be as efficient as possible, with a minimum of timber getting stuck, many rivers were cleared. Large rocks and boulders were removed from the main channel and tributaries, backwaters and shallow areas were secluded. READ MORE

  3. 2. Reproduced Reality: Cultural Artifacts and the Value of Original in the Age of Photogrammetric Reproduction

    University essay from Uppsala universitet/Institutionen för informatik och media

    Author : Lachlan Manning; [2022]
    Keywords : Photogrammetry; Digital Reproduction; Aura; Art; Virtual Reality; Benjamin; Baudrillard; Virtual Spaces; Digitalisation;

    Abstract : Amongst its innumerable effects on society, the proliferation of digital media has transformed the institution of art, with new forms and channels of digital content delivery allowing unprecedented levels of reproducibility. This reproducibility has allowed artworks and artifacts to be copied, shared, and experienced in a multitude of new ways, often far beyond the original artist’s intentions or expectations. READ MORE

  4. 3. Effects of melatonin and Single Layer Centrifugation on cryosurvival of ram semen samples

    University essay from SLU/Dept. of Clinical Sciences

    Author : Lea Enenkelová; [2021]
    Keywords : sheep reproduction; Jezersko-Solčava sheep breed; colloid centrifugation; melatonin;

    Abstract : The composition of the ram sperm membrane renders it vulnerable to injury during cryopreservation. Production of reactive oxygen species, which are by-products of metabolism, increases during freezing and thawing, causing damage to sperm membranes and acrosomes as well as affecting mitochondrial activity. READ MORE

  5. 4. Sumatranoshörningen (Dicerorhinus sumatrensis) på gränsen till utrotning - En riskanalys

    University essay from Lunds universitet/Miljövetenskaplig utbildning

    Author : Amanda Gagné; [2021]
    Keywords : Sumatran rhinoceros; risk assessment; threats; conservation; Indonesia; Earth and Environmental Sciences;

    Abstract : The critically endangered Sumatran rhinoceros (Dicerorhinus sumatrensis) has, due to previous hunting and habitat loss, diminished to a few non-viable and fragmented populations. Despite a relatively large amount of conservation efforts during the last 30 years, numbers are still declining. READ MORE

  6. 5. Per- and polyfluoroalkyl substances (PFAS) and the effect on apoptosis in early porcine embryo development in vitro

    University essay from SLU/Dept. of Clinical Sciences

    Author : Anna Leclercq; [2021]
    Keywords : apoptosis; PFAS; PFOS; PFHxS; IVF; IVP; porcine; pig; embryo; TUNEL; reproduction;

    Abstract : The aim of this study was to evaluate the effects of PFHxS (perfluorohexane sulfonic acid) and PFOS (perfluorooctane sulfonic acid) on early embryo development parameters and apoptosis on day 6 post fertilization in porcine embryos. A second purpose was to evaluate, and establish, the TUNEL assay in our IVF laboratory. READ MORE