5 Works

Data from: Genetic and life-history changes associated with fisheries-induced population collapse

Lilian Pukk, Anna Kuparinen, Leili Järv, Riho Gross & Anti Vasemägi
Over the recent years, growing number of studies suggests that intensive size-selective fishing can cause evolutionary changes in life-history traits in the harvested population, which can have drastic negative effects on populations, ecosystems and fisheries. However, most studies to date have overlooked the potential role of immigration of fish with different phenotypes as an alternative plausible mechanism behind observed phenotypic trends. Here, we investigated the evolutionary consequences of intensive fishing simultaneously at phenotypic and molecular...

Data from: Spatial genetic analyses reveal cryptic population structure and migration patterns in a continuously harvested grey wolf (Canis lupus) population in north-eastern Europe

Maris Hindrikson, Jaanus Remm, Peep Männil, Egle Tammeleht, Janis Ozolins & Urmas Saarma
Spatial genetics is a relatively new field in wildlife and conservation biology that is becoming an essential tool for unravelling the complexities of animal population processes, and for designing effective strategies for conservation and management. Conceptual and methodological developments in this field are therefore critical. Here we present two novel methodological approaches that further the analytical possibilities of STRUCTURE and DResD. Using these approaches we analyse structure and migrations in a grey wolf (Canis lupus)...

Data from: The structural and functional connectivity of the grassland plant Lychnis flos-cuculi

Tsipe Aavik, Rolf Holderegger & Janine Bolliger
Understanding the relationship between structural and functional connectivity is essential for successful restoration and conservation management, particularly in intensely managed agricultural landscapes. We evaluated the relationship between structural and functional connectivity of the wetland plant Lychnis flos-cuculi in a fragmented agricultural landscape using landscape genetic and network approaches. First, we studied the effect of structural connectivity, such as geographic distance and various landscape elements (forest, agricultural land, settlements and ditch verges), on gene flow among...

Data from: Male mealworm beetles increase resting metabolic rate under terminal investment

Indrikis A. Krams, Tatjana Krama, Fhionna R. Moore, Inese Kivleniece, Aare Kuusik, Todd M. Freeberg, Raivo Mänd, M. J. Rantala, Janina Daukšte & Marika Mänd
Harmful parasite infestation can cause energetically costly behavioural and immunological responses, with the potential to reduce host fitness and survival. It has been hypothesized that the energetic costs of infection cause resting metabolic rate (RMR) to increase. Furthermore, under terminal investment theory, individuals exposed to pathogens should allocate resources to current reproduction when life expectancy is reduced, instead of concentrating resources on an immune defence. In this study, we activated the immune system of Tenebrio...

Data from: Fifty thousand years of arctic vegetation and megafaunal diet

Eske Willerslev, John Davison, Mari Moora, Martin Zobel, Eric Coissac, Mary E. Edwards, Eline D. Lorenzen, Mette Vestergård, Galina Gussarova, James Haile, Joseph Craine, Gaddy Bergmann, Ludovic Gielly, Sanne Boessenkool, Laura S. Epp, Peter B. Pearman, Rachid Cheddadi, David Murray, Karri Anne Bråthen, Nigel Yoccoz, Heather Binney, Corinne Cruaud, Patrick Wincker, Tomasz Goslar, Inger Greve Alsos … & Pierre Taberlet
Although it is generally agreed that the arctic flora is among the youngest and least diverse on Earth, the processes that shaped it are poorly understood. Here we present 50 thousand years (kyr) of arctic vegetation history, derived from the first large-scale ancient DNA metabarcoding study of circumpolar plant diversity. For this interval we additionally explore nematode diversity as a proxy for modelling vegetation cover and soil quality, and diets of herbivorous megafaunal mammals, many...

Registration Year

  • 2013
    5

Resource Types

  • Dataset
    5

Affiliations

  • University of Tartu
    5
  • Estonian University of Life Sciences
    2
  • Swiss Federal Institute for Forest, Snow and Landscape Research
    2
  • University of Turku
    2
  • Institute of Food Safety, Animal Health and Environment “BIOR”
    1
  • University of Adelaide
    1
  • University of Sussex
    1
  • Atomic Energy and Alternative Energies Commission
    1
  • University of Wollongong
    1
  • The Arctic University of Norway
    1