Essays about: "fitness costs"

Showing result 1 - 5 of 13 essays containing the words fitness costs.

  1. 1. Friends with benefits? - Does gut microbiota of Spodoptera littoralis affect insecticide resistance and are there any costs of insecticide resistance development?

    University essay from SLU/Dept. of Plant Protection Biology

    Author : Sarah Heithausen; [2021]
    Keywords : insecticide resistance development; gut microbiota; gut symbiont-mediated resistance; trade-off effects; fitness costs; symbiosis; survival; life-history traits; fecundity;

    Abstract : The insect gut microbiota has many important functions for insects such as detoxification of host plant toxins. Recently there has been a growing interest on the effect of insect gut microbiota on insecticide resistance development. Insecticide resistance is a growing concern for food security and sustainable agriculture. READ MORE

  2. 2. Phenotypic correlates of spawning migration behaviour for roach (Rutilus rutilus) and ide (Leuciscus idus) in the stream Oknebäcken, Sweden.

    University essay from Linnéuniversitetet/Institutionen för biologi och miljö (BOM)

    Author : Emma Lindbladh; Johanna Eriksson; [2020]
    Keywords : Anadromous; cyprinids; diadromous; fish migration; ide; leuciscus idus; migration barriers; PIT-tag; roach; rutilus rutilus; sex ratio; spawning migration; Sweden;

    Abstract : Migration occurs among many animal species for the purpose of, among other things, finding food or to reproduce. Spawning migration is a form of migration that occurs among many fish species where they move to another site for reproduction. The movement can be obstructed by migration barriers like road culverts. READ MORE

  3. 3. Work is where my bike is. Identifying windows of opportunity for bike commuting in the heart of Germany’s car industry

    University essay from Lunds universitet/LUCSUS

    Author : Sandra Seethaler; [2019]
    Keywords : Sustainability Science; Behaviour Analysis; Bike Communiting; Sustainable Mobility; Transport Planning; Germany; Social Sciences;

    Abstract : In Germany, country of diesel bans and postponed climate goals, the region of Baden-Württemberg, as the heart of the country’s car industry, faces especial challenges. Due to its highly car-oriented transport system and topographical structure, the region is notorious for some of the country’s worst air quality levels. READ MORE

  4. 4. Emergent Routing Strategies in the Lightning Network

    University essay from Umeå universitet/Institutionen för datavetenskap

    Author : John-John Markstedt; [2019]
    Keywords : ;

    Abstract : In payment channel networks, such as the Bitcoin native Lightning Network, the routing nodes receive a fee as compensation for displaced liquidity, time value of money and operational costs. Currently this fee is manually set procuring sub optimal profits to the node operator. READ MORE

  5. 5. Design and analysis of a learning-based testing system for certification of vehicle systems

    University essay from KTH/Fordonsdynamik

    Author : Adam Markros; [2019]
    Keywords : ;

    Abstract : In this work, a learning-based testing system is designed and evaluated in terms of its perfor-mance and feasibility of use in testing of safety-critical vehicle systems; the objective is to reduce testing time and costs. A literature study was conducted on the AMASS project, model-based testing and machine learning; based on which a design of the testing system was developed. READ MORE