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Showing 1–13 of 13 results
Advanced filters: Author: Micael Jonsson Clear advanced filters

  • Research in the tropics is unevenly distributed across regions and biomes. Here, the authors find that moist broadleaf forests account for 73% of all tropical citations but cover 29% of the land area, while drier, climate-vulnerable areas with fewer trees remain under-sampled and under-cited.

    • Daniel B. Metcalfe
    • Emily Anders
    • Anna-Maria Virkkala
    ResearchOpen Access
    Nature Communications
    Volume: 16, P: 1-10

  • Ecosystem services from forests depend on the species therein, but the type of species diversity may also determine the level of services that the forest can provide. Swedish national forest data show that while mixed stands often provide more services than monoculture forests, it is the relative abundance of species within the mix that can be the key determinant, and necessary for understanding in forest management.

    • Micael Jonsson
    • Jan Bengtsson
    • Tord Snäll
    Research
    Nature Plants
    Volume: 5, P: 141-147

  • Analysing a database of >1,800 field studies in the terrestrial Arctic, the authors identify large spatial biases in sampling, with nearly one-third of all citations derived from sites located within 50 km of two research stations.

    • Daniel B. Metcalfe
    • Thirze D. G. Hermans
    • Abdulhakim M. Abdi
    Research
    Nature Ecology & Evolution
    Volume: 2, P: 1443-1448

  • Genome-wide analysis identifies variants associated with the volume of seven different subcortical brain regions defined by magnetic resonance imaging. Implicated genes are involved in neurodevelopmental and synaptic signaling pathways.

    • Claudia L. Satizabal
    • Hieab H. H. Adams
    • M. Arfan Ikram
    Research
    Nature Genetics
    Volume: 51, P: 1624-1636

  • The hippocampus in mammalian brain varies in size across individuals. Here, Hibar and colleagues perform a genome-wide association meta-analysis to find six genetic loci with significant association to hippocampus volume.

    • Derrek P. Hibar
    • Hieab H. H. Adams
    • M. Arfan Ikram
    ResearchOpen Access
    Nature Communications
    Volume: 8, P: 1-12

  • Tree diversity is thought to benefit forest ecosystems, but evidence from large-scale studies is scarce. This study of a 400,000 km2forest area shows that higher tree species richness supports higher levels of multiple ecosystem services, and therefore also a more sustainable management of production forests.

    • Lars Gamfeldt
    • Tord Snäll
    • Jan Bengtsson
    ResearchOpen Access
    Nature Communications
    Volume: 4, P: 1-8

  • Fish migration is influenced by various environmental factors such as chemicals in water. Here, Hellstrom et al. show that an anxiolytic drug in the benzodiazepine family, oxazepam, can promote migratory behaviour of Atlantic salmon smolts in both laboratory setting and river tributary in Sweden.

    • Gustav Hellström
    • Jonatan Klaminder
    • Tomas Brodin
    ResearchOpen Access
    Nature Communications
    Volume: 7, P: 1-7

  • In a GWAS study of 32,438 adults, the authors discovered five novel loci for intracranial volume and confirmed two known signals. Variants for intracranial volume were also related to childhood and adult cognitive function and to Parkinson's disease, and enriched near genes involved in growth pathways, including PI3K-AKT signaling.

    • Hieab H H Adams
    • Derrek P Hibar
    • Paul M Thompson
    Research
    Nature Neuroscience
    Volume: 19, P: 1569-1582

  • The authors defined a roadmap for investigating the genetic covariance between structural or functional brain phenotypes and risk for psychiatric disorders. Their proof-of-concept study using the largest available common variant data sets for schizophrenia and volumes of several (mainly subcortical) brain structures did not find evidence of genetic overlap.

    • Barbara Franke
    • Jason L Stein
    • Patrick F Sullivan
    Research
    Nature Neuroscience
    Volume: 19, P: 420-431

  • Cortex morphology varies with age, cognitive function, and in neurological and psychiatric diseases. Here the authors report 160 genome-wide significant associations with thickness, surface area and volume of the total cortex and 34 cortical regions from a GWAS meta-analysis in 22,824 adults.

    • Edith Hofer
    • Gennady V. Roshchupkin
    • Sudha Seshadri
    ResearchOpen Access
    Nature Communications
    Volume: 11, P: 1-16

  • Genome-wide association studies are used to identify common genetic variants that affect the structure of selected subcortical regions of the human brain; their identification provides insight into the causes of variability in brain development and may help to determine mechanisms of neuropsychiatric dysfunction.

    • Derrek P. Hibar
    • Jason L. Stein
    • Sarah E. Medland
    Research
    Nature
    Volume: 520, P: 224-229