Search for dissertations about: "partner choice"

Showing result 1 - 5 of 38 swedish dissertations containing the words partner choice.

  2. 1. The geographical dimensions of partner choice

    Author : Karen Haandrikman; Rijksuniversiteit Groningen; []
    Keywords : SAMHÄLLSVETENSKAP; SOCIAL SCIENCES; SAMHÄLLSVETENSKAP; SOCIAL SCIENCES; partner choice; register data; the Netherlands; homogamy; spatial patterns; Demography; Demografi; Human geography; Kulturgeografi; demografi; Demography; Human Geography; kulturgeografi;

    Abstract : The dissertation of Karen Haandrikman shows that spatial homogamy, or the similarity of partners regarding their geographical origins, plays a key role in partner choice. The research shows that Dutch cohabiters find their partner at very short distances. READ MORE

  4. 2. Mutual Mate Choice in the Deep Snouted Pipefish Syngnathus typhle

    Author : Maria Widemo; John D. Reynolds; Uppsala universitet; []
    Keywords : NATURVETENSKAP; NATURAL SCIENCES; Biology; Sexual selection; mutual mate choice; mate competition; sex role reversal; parental investment; Biologi; Biology; Biologi; Animal Ecology; zooekologi;

    Abstract : This thesis integrates the fields of sexual selection, parental investment and sex role theory by investigating mutual mate choice and mate competition in the sex role reversed deep snouted pipefish Syngnathus typhle (Pisces: Syngnathidae) through a series of laboratory experiments. In S. READ MORE

  5. 3. Pre- and post-copulatory sexual selection in the fowl, Gallus gallus

    Author : Hanne Løvlie; Sven Jakobsson; Tommaso Pizzari; Matthew J. G. Gage; Stockholms universitet; []
    Keywords : NATURVETENSKAP; NATURAL SCIENCES; cryptic female choice; Gallus; inbreeding avoidance; mate choice; sexual conflict; sexual selection; sperm competition; Ethology and behavioural ecology; Etologi och beteendeekologi; etologi; Ethology;

    Abstract : The evolutionary goal of individuals is reproduction and sexual selection favours traits improving reproductive success. When males invest less than females in offspring, males have potentially a higher reproductive rate than females. READ MORE

  6. 4. Contract Choice and Trust in Informal Groundwater Markets

    Author : Yashodha Yashodha; Göteborgs universitet; []
    Keywords : SAMHÄLLSVETENSKAP; SOCIAL SCIENCES; Output-shared contract; Fixed-price contract; Lab-in-field experiment; Random parameter model; Endogenous matching; Omitted variable bias; Trust; Altruism; Kinship;

    Abstract : Bargaining and Contract Choice: Evidence from Informal Groundwater Contracts Informal market arrangements are often in place when formal institutions are too weak to establish a formal mechanism for resource allocation. In this paper, we study informal groundwater contracts in India, in particular, the bargaining power of sellers and buyers. READ MORE

  7. 5. The MHC genes: variation and impact on life-history traits in house sparrwos

    Author : Maria Karlsson; MEMEG; []
    Keywords : NATURVETENSKAP; NATURAL SCIENCES; MHC-I; house sparrow; 454-amplicon sequencing; cDNA; functional clustering; trans-species evolution; nestling survival; mate-choice;

    Abstract : In birds the major histocompatibility complex (MHC) organization differs both among and within orders. Galliformes often have simple arrangements with few transcribed MHC genes whilst many songbirds (Passeriformes) have a complex arrangement with many MHC genes and also presence of pseudo-genes. READ MORE