User profiles for Jessica J. Hellmann

Jessica Hellmann

Director, Inst on the Environment & Distinguished McKnight University Professor, Dept of …
Verified email at umn.edu
Cited by 12071

Five potential consequences of climate change for invasive species

JJ Hellmann, JE Byers, BG Bierwagen… - Conservation …, 2008 - Wiley Online Library
Scientific and societal unknowns make it difficult to predict how global environmental changes
such as climate change and biological invasions will affect ecological systems. In the long …

Counting the uncountable: statistical approaches to estimating microbial diversity

JB Hughes, JJ Hellmann, TH Ricketts… - Applied and …, 2001 - Am Soc Microbiol
All biologists who sample natural communities are plagued with the problem of how well a
sample reffects a community’s “true” diversity. New genetic techniques have revealed …

A framework for debate of assisted migration in an era of climate change

JS McLachlan, JJ Hellmann, MW Schwartz - Conservation biology, 2007 - JSTOR
The Torreya Guardians are trying to save the Florida torreya (Torreya taxifolia Arn.) from
extinction (Barlow & Martin 2004). Fewer than 1000 individuals of this coniferous tree remain …

Climate change hastens population extinctions

JF McLaughlin, JJ Hellmann… - Proceedings of the …, 2002 - National Acad Sciences
Climate change is expected to alter the distribution and abundance of many species. Predictions
of climate-induced population extinctions are supported by geographic range shifts that …

Multidimensional evaluation of managed relocation

DM Richardson, JJ Hellmann… - Proceedings of the …, 2009 - National Acad Sciences
Managed relocation (MR) has rapidly emerged as a potential intervention strategy in the
toolbox of biodiversity management under climate change. Previous authors have suggested …

Bias, precision, and accuracy of four measures of species richness

JJ Hellmann, GW Fowler - Ecological applications, 1999 - Wiley Online Library
Species richness is a widely used surrogate for the more complex concept of biological
diversity. Because species richness is often central to ecological study and the establishment of …

Preparing for and managing change: climate adaptation for biodiversity and ecosystems

…, R Griffis, LJ Hansen, JJ Hellmann… - Frontiers in Ecology …, 2013 - Wiley Online Library
The emerging field of climate‐change adaptation has experienced a dramatic increase in
attention as the impacts of climate change on biodiversity and ecosystems have become more …

Managed relocation: integrating the scientific, regulatory, and ethical challenges

MW Schwartz, JJ Hellmann, JM McLachlan, DF Sax… - …, 2012 - academic.oup.com
Managed relocation is defined as the movement of species, populations, or genotypes to
places outside the areas of their historical distributions to maintain biological diversity or …

An assessment of invasion risk from assisted migration

JM Mueller, JJ Hellmann - Conservation Biology, 2008 - Wiley Online Library
… Bierwagen, J. Beyers, and 2 anonymous reviewers for comments on the manuscript. J.
McLachlan offered guidance on our database, and the researchers in the Hellmann Lab …

Tracking global climate change adaptation among governments

…, FM Wang, C Chen, A Hsu, JJ Hellmann… - Nature Climate …, 2019 - nature.com
The Paris Agreement and Katowice Climate Package articulate a clear mandate for all
parties to undertake and document adaptation progress. Yet persistent challenges have …