Essays about: "reproduction success"

Showing result 11 - 15 of 39 essays containing the words reproduction success.

  1. 11. 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. 12. Analyzing Factors Influencing Reproductive Success of the Mountain Chicken : Nordens Ark Captive Breeding Program

    University essay from Högskolan i Skövde/Institutionen för biovetenskap

    Author : Chad Donaldson; [2019]
    Keywords : frog; frogs; mountain chicken; mountain chicken frog; leptodactylus; fallax; herpetology; amphibian; amphibians; multiple linear regression; statistical analysis; Nordens Ark; captive breeding; zoo; zoology; conservation; endangered species; grodor; groda; kycklinggroda; Nordens Ark; amfibier; zoologi; herpetologi; analys; hotade arter; bevarande; avel;

    Abstract : Amphibians globally are declining with roughly a third facing extinction due primarily to threats linked to human impacts. One way in which this is being combated is by captive breeding programs. READ MORE

  4. 13. Identification of core gut bacterial community of royal pair of a fungus-growing termite, Macrotermes natalensis

    University essay from Högskolan i Skövde/Institutionen för biovetenskap

    Author : Jayalal Kalathilparambil Jayanthan; [2019]
    Keywords : ;

    Abstract : Approximately 30 million years ago, ancestors of fungus-growing termites started an obligate mutualistic relationship with a Basidiomycete fungus Termitomyces. The success of this obligate relation is the division of labour and reliance on termite caste gut microbial symbionts. READ MORE

  5. 14. Why are you not breeding? : a study on the reproductive success of captive wolverines (Gulo g. gulo)

    University essay from SLU/Dept. of Animal Environment and Health

    Author : María Slof Pacilio; [2019]
    Keywords : breeding success; wolverine; reproduction; zoo; animal welfare; behavior; enrichment; training; zookeepers;

    Abstract : Conservation biologists have long faced the very challenging task of large carnivore conservation. Both their hunting habits and their very specific ecology make their conservation particularly difficult. Wolverines (Gulo g. gulo) are a good example of this. READ MORE

  6. 15. Hur påverkas fjällbärande reptiler av klimat- och habitatförändringar?

    University essay from SLU/Dept. of Animal Environment and Health

    Author : Karin Jannerman; [2019]
    Keywords : fjällbärande reptiler; klimatförändringar; habitatförstörelse; termoreglering; reproduktion; effekter;

    Abstract : Fjällbärande reptiler (Squamata) är en av de artrikaste ordningarna bland ryggradsdjuren och innefattar ormar, ödlor och masködlor. De finns utspridda på alla kontinenter förutom Antarktis och har anpassat sig till många olika habitat och miljöer. READ MORE