Search for dissertations about: "brood reduction"

Found 2 swedish dissertations containing the words brood reduction.

  2. 1. Paternal care and brood reduction in a pipefish

    Author : Gry Sagebakken; Göteborgs universitet; []
    Keywords : NATURVETENSKAP; NATURAL SCIENCES; Parental care; brood reduction; embryo survival; parental condition; filial cannibalism; post-mating sexual selection; HSI; sexual conflicts; Syngnathus typhle; male brooding;

    Abstract : From an evolutionary and adaptive perspective, the occurrence and extent of parental care in animals (investment in offspring beyond the genetic contribution) is expected to depend on an optimal (fitness-maximizing) balance of its costs and benefits. Males of the sex-role reversed broad-nosed pipefish, Syngnathus typhle, which care for eggs and embryos and may perform brood reduction, are particularly interesting in this respect. READ MORE

  4. 2. Reproductive investment in Syngnathus typhle, the broad-nosed pipefish

    Author : Ines Goncalves; Göteborgs universitet; []
    Keywords : NATURVETENSKAP; NATURAL SCIENCES; Syngnathidae; sex-role reversal; paternal care; male quality; female choice; maternal effects; reproductive compensation; embryo development; brood reduction.;

    Abstract : Manuscripts: 1 - Reproductive compensation by broad-nosed pipefish females. 2 - Male size is a predictor of quality of parental care in the broad-nosed pipefish... READ MORE