Assistant Professor
901 State Street W
West Lafayette , IN
47907

Office Phone: 765-494-7739
Office Number: B18A Smith Hall
Lab Number: B18 Smith Hall
Email Address: jdhollan@purdue.edu

Education

Carleton University
Ottawa, ON
Canada
Bachelors of Science
Highest honors
Environmental Science 1997

Carleton University
Ottawa, ON
Canada
PhD
Biology (Landscape Ecology) 2003

Professional Associations

International Association of Landscape Ecology
Ecological Society of America
Entomological Society of America

Research Interests

Landscape ecology of insects in disturbed habitats

My research in landscape ecology focuses on the effects of human and natural disturbances that modify large scale terrestrial landscapes on both the viability of individual insect species and on overall insect biodiversity. I am particularly interested in examining how movement of invertebrate species affects their ability to maintain populations in disturbed habitats. An important part of this research is determining how different types or intensities of activities within non-habitat areas affect the probability of mortality for different species. Another facet of this research is examining the effects that such large-scale habitat alterations have on the spread of invasive insect species. I am currently using field work on wood-boring beetles (Coleoptera: Buprestidae, Cerambycidae) to look at these effects of disturbance, however, many different insects in different systems could also be used profitably.

Scale and empirical studies

Another major aspect of my research consists of examining the role that spatial scale has in affecting the results of empirical studies. Species respond to their environment at different spatial scales. This suggests that the results of empirical studies are greatly influenced by the scale at which the study is carried out. I use a combination of field work, geographical information systems (GIS) and scaling software to examine the influence of spatial scale on results of empirical studies to understand the influence of scale, examine differences in species responses, and to inform future empirical studies.

Recommended Links

Lenore Fahrigs landscape ecology lab
http://www.glel.carleton.ca/home.php

Downloads for FOCUS scaling software
http://www.glel.carleton.ca/RESEARCH/focus.php

Selected Publications

Holland, J.D., D. Bert, and L. Fahrig (2004), Determining the spatial scale of species response to habitat. Bioscience 54(3):227-233.

Holland, J.D. and L. Fahrig (2001), Landscape woody border increases insect diversity in alfalfa fields. In C. Barr and S. Petit (eds.), Hedgerows of the world: their ecological functions in different landscapes, Proceedings of the tenth annual IALE (UK) conference, Birmingham University, England, September 5-8, 2001.

Hopkin, A. A., S. Greifenhagen and J. Holland (2001), Decay, stains, and beetles in ice-storm-damaged forests: A review. The Forestry Chronicle 77(4):605-611.

Holland, J., and L. Fahrig (2000), Effect of woody borders on insect density and diversity in crop fields: A landscape-scale analysis. Agriculture, Ecosystems and Environment 78:115-122.