Essays about: "North America."

Showing result 1 - 5 of 246 essays containing the words North America..

  1. 1. The use of regurgitated pellets from the great cormorant to detect the presence of the round goby

    University essay from Göteborgs universitet / Institutionen för biologi och miljövetenskap

    Author : Tim Dorup; [2023-08-07]
    Keywords : Invasive species; Regurgitated pellets; Great cormorant; Round goby; dPCR;

    Abstract : The round goby (Neogobius melanostomus) is an invasive alien species that poses one of the greatest threats to biodiversity and ecosystem services in Sweden today. The round goby originates from the Black Sea and Caspian Sea but has in recent decades rapidly spread with global shipping traffic to new areas in Europe and North America. READ MORE

  3. 2. Estimating historic ranges of extinct scavenging birds from North America during the late Pleistocene using co-occurrence data from the fossil record

    University essay from Göteborgs universitet / Institutionen för biologi och miljövetenskap

    Author : Melissa Miranda; [2023-06-30]
    Keywords : Scavenging birds; Vultures; Co-occurrence Data; Range Estimates; Spatial Autoregressive Models; Co-extinction;

    Abstract : The aim of my study was to estimate and compare the historic range of nine scavenging birds from North America that went jointly extinct with their mammalian megafaunal prey in the Late Pleistocene. Although the severity and timing of their co-extinction are strongly correlated, there has been little analytical support in providing estimates for the possible geographic distribution of scavenging birds prior to the extinction event. READ MORE

  4. 3. Evaluation of the ERA5-Land dataset for estimation of soil moisture in the permafrost region

    University essay from Stockholms universitet/Institutionen för naturgeografi

    Author : Alberta van Gent; [2023]
    Keywords : Soil moisture; ERA5-Land; International Soil Moisture Network ISMN ; permafrost region;

    Abstract : The permafrost region covers a vast area of land surface on the northern hemisphere,storing large amounts of carbon. Unfortunately, climate warming leads to permafrostthaw altering the hydrothermal state of permafrost soils. Due to the remoteness of thepermafrost region, access to field measurements is restricted. READ MORE

  5. 4. The Spanish migration model : A comparative case study in La Coruña

    University essay from Linköpings universitet/REMESO - Institutet för forskning om Migration, Etnicitet och Samhälle; Linköpings universitet/Institutionen för kultur och samhälle

    Author : Willem van der Ende; [2023]
    Keywords : Spanish migration model; La Coruña; Favoritism; Mauropobia; Migration in the local context; Comparitive case study; Migration trajectories; Welfare state; Labour market;

    Abstract : Spain has an intricate relationship with their previous colonies. Relationships built up through centuries of intermingling have resulted in favourable integration trajectories for migrants from previous colonies in comparison with migrants from other countries. READ MORE

  6. 5. Once Upon a Time in Quantum Computing: A Grounded Theory Study on Hardware Purchasing

    University essay from Lunds universitet/Produktionsekonomi

    Author : Alfred Bornefalk; Simen Söderberg; [2023]
    Keywords : quantum computing; hardware; supplier selection; start-ups; make-or-buy; trust; grounded theory; Technology and Engineering;

    Abstract : Quantum computing is a potentially disruptive field, and a significant amount of resources are invested in technology advancements. The business-related research, however, is a relatively unexplored area. READ MORE