Essays about: "source-sink"

Found 4 essays containing the word source-sink.

  1. 1. An investigation into whether poaching creates an ecological trap for white rhinoceros in Hluhluwe-iMfolozi Park, South Africa

    University essay from SLU/Dept. of Wildlife, Fish and Environmental Studies

    Author : Alice Michel; [2019]
    Keywords : ecological trap; rhinoceros; maladaptation; megaherbivore; source-sink; habitat quality; middens;

    Abstract : In an ecological trap, animals choose habitat based upon cues that once led members of their species to optimal habitat, but now lead to habitat where individual fitness is reduced because of changing conditions. The southern white rhinoceros (Ceratotherium simum) is a threatened species due to poaching for its keratin horn. READ MORE

  3. 2. Calibration of fundamental diagrams for travel time predictions based on the cell transmission model

    University essay from Linköpings universitet/Kommunikations- och transportsystem; Linköpings universitet/Tekniska högskolan

    Author : Christoph Seybold; [2015]
    Keywords : Cell transmission model CTM ; Fundamental diagrams; Calibration; Dynamic sources; Dynamic sinks; Split ratios;

    Abstract : Road traffic increases constantly and the negative consequences in the form of traffic jams can be realized especially in urban areas. In order to provide real time traffic information to road users and traffic managers, accurate computer models gain relevance. READ MORE

  4. 3. Distance of life : moose dispersal from birth to death

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

    Author : Mattias Nilsson; Robert Nilsson; [2012]
    Keywords : Alces alces; forestry; hunter; harvest; management; movement; philopatry; source-sink;

    Abstract : Moose is the most important big game animal in Sweden, with a great impact on its environment, yet little is known of their movements early in life and therefore we studied a moose population in northern Sweden – their dispersal from birth to death. We found that mean dispersal distance was 11,5 km ± 2 km (mean distance in kilometers ± 95% C. READ MORE

  5. 4. Fåglar i urbana miljöer : kvaliteten på urbana habitat och om beståndstäthet är ett bra mått på habitatkvalitet

    University essay from SLU/Dept. of Ecology

    Author : Mattis Jansson; [2010]
    Keywords : habitatkvalitet; urbanisering; urbana miljöer; source-sink; beståndstäthet; reproduktionsframgång; Habitat quality; reproduction success; demographic parameters; urban environments; urbanization; population density; demografiska parametrar;

    Abstract : The urbanization of the world is increasing. How it affects bird populations have been well studied during the last decade, and comparisons between urban and non-urban habitats have been carried out. A common method for measuring habitat quality is to calculate the population density. READ MORE