Essays about: "Systematics"

Showing result 1 - 5 of 19 essays containing the word Systematics.

  1. 1. Constraining the age of HD 140283

    University essay from Uppsala universitet/Institutionen för fysik och astronomi

    Author : Edison Arellano Almeida; [2022]
    Keywords : ;

    Abstract : HD 140283, also known as the Methuselah star, is an old, metal-poor star on the subgiant branch.It has been the subject of many studies due to its relatively large apparent brightness, and due to itbeing one of the oldest stars known. READ MORE

  2. 2. Cryptic song? Taxonomy of the warbler Plain Prinia based on song analysis

    University essay from Uppsala universitet/Institutionen för biologisk grundutbildning

    Author : Jesper Magnusson; [2022]
    Keywords : Plain prinia; Prinia inornata; birds; song; taxonomy; systematics; cryptic; subspecies; dialect; ornithology;

    Abstract : The warbler Prinia inornata (Plain Prinia) is a common songbird found across large parts of southern Asia, and it is currently divided into ten geographically distinct subspecies. It has been suggested by some ornithologists to possibly be a complex of cryptic species, i.e. READ MORE

  3. 3. Taxonomy of the Rufous-naped lark (Mirafra africana) complex based on song analysis

    University essay from Uppsala universitet/Institutionen för biologisk grundutbildningUppsala universitet/Zooekologi

    Author : Marianne Kristine Nymark; [2021]
    Keywords : rufous-naped; lark; mirafra; africana; systematics; taxonomy; ecology; zoology; song analysis; subspecies; integrative taxonomy; clinal variation; LDA; post hoc Tukey HSD test; Raven Pro;

    Abstract : The Rufous-naped lark Mirafra africana complex consists of 22 subspecies spread across the African continent. Several of the subspecies have recently been suggested to potentially be treated as separate species. In this study a comparative analysis was done on the song from seven of the subspecies: M. a. READ MORE

  4. 4. A deep dive into the Prinia atrogularis complex : A tale of birds and taxonomy

    University essay from Uppsala universitet/Institutionen för biologisk grundutbildningUppsala universitet/Institutionen för ekologi och genetik

    Author : Damon Groot; [2021]
    Keywords : bird; birds; ecology; zoology; taxonomy; systematics; vocalization; biodiversity; prinia;

    Abstract : The taxonomy of the taxa in the Prinia atrogularis-khasiana-superciliaris complex has changed several times in recent history. To this day, different world bird lists classify this complex as 1–3 species. These classifications are based mainly on morphological comparisons of museum specimens. READ MORE

  5. 5. Vad kan kollektivtrafiken tillföra ur perspektivet socialt kapital? : en studie om Tvärbanans roll för ökad tillgänglighet och social inkludering

    University essay from SLU/Department of Landscape Architecture, Planning and Management (from 130101)

    Author : Marcus Lindgren; [2020]
    Keywords : kollektivtrafik; socialt kapital; Tvärbanan; tillgänglighet; social inkludering;

    Abstract : Tillhandahållandet av kollektivtrafik kan ses som en nyckelaspekt för mer jämlika förutsättningar till samhällsdeltagande. Ökade ojämlikheter och segregation är återkommande problem i stora och växande städer, och grupper med olika socioekonomiska förutsättningar blir allt tydligare åtskilda geografiskt och socialt. READ MORE