Essays about: "water environment"

Showing result 1 - 5 of 745 essays containing the words water environment.

  1. 1. Veterinary antiparasitic pharmaceuticals – effects on behaviour in fish larvae

    University essay from SLU/Dept. of Biomedical Sciences and Veterinary Public Health

    Author : Maria Blomberg; [2017]
    Keywords : fish; ; behaviour; ; antiparasitic; fisk; ; beteende; ; antiparasitära;

    Abstract : SUMMARY Antiparasitic pharmaceuticals are important groups of pharmaceuticals in veterinary medicine and are used in large quantities. Antiparasitic pharmaceuticals and their metabolites enter the environment via excretion in urine and/or faeces from treated animals and by run off to surface water these compounds reach aquatic environments and thereby present a risk for aquatic organisms. READ MORE

  2. 2. Fish sampling in lotic water : a study of the efficiency of the novel Nordic multi-mesh Stream Survey Net

    University essay from SLU/Department of Aqatic Resources

    Author : Anders Eidborn; [2017]
    Keywords : Fish sampling; NSSN; gill net; fish community;

    Abstract : A free-flowing stream can offer several ecosystem services. Fish are one of these, and are an important resource for society, both as a food source and as a biological indicator of the water quality, which gives knowledge of the overall health of the stream. The lotic environment in fresh water streams is an important habitat for many fish species. READ MORE

  3. 3. Design to Promote UrbanEcosystem Services : Examples of solutions with green - blueinfrastructure in public spaces

    University essay from KTH/Urbana och regionala studier

    Author : Yin Xing; [2017]
    Keywords : Ecosystem services; biodiversity; green-blue infrastructure; urban habitat; urban greenery; urban surface-water;

    Abstract : The world is increasingly urbanizing with approximately 54% of the world population livingin cities (Langemeyer, 2015). This number is expected to rise to 66% by 2050 (UN, 2014),which means that urbanized areas will expand in size with an additional 2.5 billion new urbaninhabitants (Langemeyer, 2015). READ MORE

  4. 4. Förekomst av fekala mikroorganismer och antibiotikaresistenta bakterier i gödsel och vattendrag kring hästanläggningar

    University essay from SLU/Dept. of Biomedical Sciences and Veterinary Public Health

    Author : Elin Gertzell; [2017]
    Keywords : fekal förorening; antibiotikaresistens; ESBL; häst; fecal contamination; antibiotic resistance; ESBL; horse;

    Abstract : Med en tillväxt på 10-20 % mellan åren 2004 och 2010 är hästnäringen en växande bransch. Kopplat till konstaterat höga utsläpp av näringsämnen från hästanläggningar och indikationer på utsläpp även av föroreningar i form av fekala mikroorganismer gör det till en bransch som är angelägen är undersöka med avseende på dess miljöpåverkan. READ MORE

  5. 5. The impact of food enrichment on the behaviour of turtles in captivity : An observational study of McCord’s snake-necked turtle (Chelodina mccordi) and Vietnamese pond turtle (Mauremys annamensis)

    University essay from SLU/Dept. of Animal Environment and Health

    Author : Erika Johansson; [2017]
    Keywords : Chelodina mccordi; food enrichment; Mauremys annamensis; reptile behaviour; turtle; welfare; foderberikning; beteende hos reptiler; sköldpadda; välfärd;

    Abstract : McCord’s snake-necked turtle (Chelodina mccordi) and Vietnamese pond turtle (Mauremys annamensis) are two critically endangered species of fresh water turtles originating from Asia. The aim of this study was to evaluate how the two species of aquatic turtles responded to food enrichment, if feed enrichment could reduce the stereotypic behaviour displayed by the McCord’s Snake-necked turtles and if behavioural signs associated to good welfare increased in response to food enrichment. READ MORE