Search Results - "HELLMANN, J"

Refine Results
  1. 1
  2. 2

    Green and cool roofs to mitigate urban heat island effects in the Chicago metropolitan area: evaluation with a regional climate model by Sharma, A, Conry, P, Fernando, H J S, Hamlet, Alan F, Hellmann, J J, Chen, F

    Published in Environmental research letters (01-06-2016)
    “…The effects of urban heat islands (UHIs) have a substantial bearing on the sustainability of cities and environs. This paper examines the efficacy of green and…”
    Get full text
    Journal Article
  3. 3
  4. 4

    Addressing potential local adaptation in species distribution models: implications for conservation under climate change by Hällfors, Maria Helena, Liao, Jishan, Dzurisin, Jason, Grundel, Ralph, Hyvärinen, Marko, Towle, Kevin, Wu, Grace C., Hellmann, Jessica J.

    Published in Ecological applications (01-06-2016)
    “…Species distribution models (SDMs) have been criticized for involving assumptions that ignore or categorize many ecologically relevant factors such as…”
    Get full text
    Journal Article
  5. 5

    Reassessment of chitosanase substrate specificities and classification by Weikert, Tobias, Niehues, Anna, Cord-Landwehr, Stefan, Hellmann, Margareta J., Moerschbacher, Bruno M.

    Published in Nature communications (22-11-2017)
    “…Chitosanases can be used to produce partially acetylated chitosan oligosaccharides (paCOS) for different applications, provided they are thoroughly…”
    Get full text
    Journal Article
  6. 6

    Fast insights into chitosan-cleaving enzymes by simultaneous analysis of polymers and oligomers through size exclusion chromatography by Hellmann, Margareta J., Moerschbacher, Bruno M., Cord-Landwehr, Stefan

    Published in Scientific reports (10-02-2024)
    “…The thorough characterization of chitosan-cleaving enzymes is crucial to unveil structure–function relationships of this promising class of biomolecules for…”
    Get full text
    Journal Article
  7. 7

    Five Potential Consequences of Climate Change for Invasive Species by HELLMANN, JESSICA J, BYERS, JAMES E, BIERWAGEN, BRITTA G, DUKES, JEFFREY S

    Published in Conservation biology (01-06-2008)
    “…Scientific and societal unknowns make it difficult to predict how global environmental changes such as climate change and biological invasions will affect…”
    Get full text
    Journal Article
  8. 8

    Heterogeneously deacetylated chitosans possess an unexpected regular pattern favoring acetylation at every third position by Hellmann, Margareta J., Gillet, Dominique, Trombotto, Stéphane, Raetz, Sonja, Moerschbacher, Bruno M., Cord-Landwehr, Stefan

    Published in Nature communications (06-08-2024)
    “…Chitosans are promising biopolymers for diverse applications, with material properties and bioactivities depending i.a . on their pattern of acetylation (PA)…”
    Get full text
    Journal Article
  9. 9
  10. 10

    Climate change in the urban environment: Advancing, measuring and achieving resiliency by Doherty, Meghan, Klima, Kelly, Hellmann, Jessica J.

    Published in Environmental science & policy (01-12-2016)
    “…•There has been increased attention directed towards climate change adaptation.•Urban areas are increasingly seen as having a distinct role, and distinctive…”
    Get full text
    Journal Article
  11. 11

    Extinction risk modeling predicts range-wide differences of climate change impact on Karner blue butterfly (Lycaeides melissa samuelis) by Li, Yudi, Wilson, David, Grundel, Ralph, Campbell, Steven, Knight, Joseph, Perry, Jim, Hellmann, Jessica J

    Published in PloS one (07-11-2023)
    “…The Karner blue butterfly ( Lycaeides melissa samuelis , or Kbb), a federally endangered species under the U.S. Endangered Species Act in decline due to…”
    Get full text
    Journal Article
  12. 12

    Preparing for and managing change: climate adaptation for biodiversity and ecosystems by Stein, Bruce A, Staudt, Amanda, Cross, Molly S, Dubois, Natalie S, Enquist, Carolyn, Griffis, Roger, Hansen, Lara J, Hellmann, Jessica J, Lawler, Joshua J, Nelson, Erik J, Pairis, Amber

    Published in Frontiers in ecology and the environment (01-11-2013)
    “…The emerging field of climate-change adaptation has experienced a dramatic increase in attention as the impacts of climate change on biodiversity and…”
    Get full text
    Journal Article
  13. 13

    Thermal variability increases the impact of autumnal warming and drives metabolic depression in an overwintering butterfly by Williams, Caroline M, Marshall, Katie E, MacMillan, Heath A, Dzurisin, Jason D K, Hellmann, Jessica J, Sinclair, Brent J

    Published in PloS one (30-03-2012)
    “…Increases in thermal variability elevate metabolic rate due to Jensen's inequality, and increased metabolic rate decreases the fitness of dormant ectotherms by…”
    Get full text
    Journal Article
  14. 14

    Counting the uncountable : Statistical approaches to estimating microbial diversity by HUGHES, Jennifer B, HELLMANN, Jessica J, RICKETTS, Taylor H, BOHANNAN, Brendan J. M

    Published in Applied and environmental microbiology (01-10-2001)
    “…Hughes et al compare the utility of various statistical approaches for assessing the diversity of microbial communities. They argue that even without knowing…”
    Get full text
    Journal Article
  15. 15

    Does enemy loss cause release? A biogeographical comparison of parasitoid effects on an introduced insect by Prior, Kirsten M., Hellmann, Jessica J.

    Published in Ecology (Durham) (01-05-2013)
    “…The loss of natural enemies is a key feature of species introductions and is assumed to facilitate the increased success of species in new locales (enemy…”
    Get full text
    Journal Article
  16. 16

    Climate Change Hastens Population Extinctions by McLaughlin, John F., Hellmann, Jessica J., Boggs, Carol L., Ehrlich, Paul R.

    “…Climate change is expected to alter the distribution and abundance of many species. Predictions of climate-induced population extinctions are supported by…”
    Get full text
    Journal Article
  17. 17

    Chicago’s Heat Island and Climate Change: Bridging the Scales via Dynamical Downscaling by Conry, Patrick, Sharma, Ashish, Potosnak, Mark J., Leo, Laura S., Bensman, Edward, Hellmann, Jessica J., Fernando, Harindra J. S.

    “…The interaction of global climate change and urban heat islands (UHI) is expected to have far-reaching impacts on the sustainability of the world’s rapidly…”
    Get full text
    Journal Article
  18. 18
  19. 19

    Assessing the need and potential of assisted migration using species distribution models by Hällfors, M.H., Aikio, S., Fronzek, S., Hellmann, J.J., Ryttäri, T., Heikkinen, R.K.

    Published in Biological conservation (01-04-2016)
    “…Assisted migration (AM) has been suggested as a management strategy for aiding species in reaching newly suitable locations as climate changes. Species…”
    Get full text
    Journal Article
  20. 20