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Expert Database

In NYISRI’s ongoing effort to connect research to practice, we compiled a database of invasive species experts from around the region.

Use the search form below to find an expert in your area of interest, then search and scroll to see your results.

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Total listings: 126

Name: Hetherington, Amy (Researcher)

Institution: Cornell University

Description of Expertise:

My research focuses on climate change and invasive mussel impacts on lake dynamics in Central New York. Specifically, I aim to understand, predict, and communicate the interactive impacts of climate change and zebra and quagga mussels on the coupling of the physical, chemical, and biological components of Oneida Lake, Onondaga Lake, and Cayuga Lake.

Phone: (917) 570-6126

Species: Aquatic invertebrates, Quagga mussel (Dreissena bugensis), Zebra mussel (Dreissena polymorpha),

Ecosystems: Freshwater

Research Areas: Extension and education, Human dimensions, Impacts (ecological, social, economic), Mapping/modelling, Management techniques (mechanical/manual, chemical), Species demography

NY Regions: Finger Lakes, St. Lawrence/E. Lake Ontario

Last updated: September 21, 2015 at 7:13 am

Name: Horn, Scott (Researcher)

Institution: Forest Service

Description of Expertise:

We have focused our research to determine the impacts of Chinese Privet on certain insect communities and how removal can help those communities recover. We are additionally interested in biological control of privet as a long-term strategy for management.

States: Georgia

Species: Terrestrial Invertebrates, Terrestrial plants, Hemlock woolly adelgid (Adelges tsugae), Redbay ambrosia beetle (Xyleborus glabratus), Japanese stiltgrass (Microstegium vimineum), Privet (Ligustrum spp.),

Ecosystems: Forest

Research Areas: Impacts (ecological), Management techniques (biological control, mechanical/manual, chemical)

Last updated: September 21, 2015 at 7:13 am

Name: Horton, Jonathan (Researcher)

Institution: University of North Carolina Asheville

Description of Expertise:

My research focuses on the physiological characteristics of successful invaders, the effects of these invaders and the best strategies for their management.

Phone: (828) 242-3028

States: Arizona, North Carolina

Species: Terrestrial plants, English ivy (Hedera helix), Honeysuckle (Lonicera spp.), Japanese stiltgrass (Microstegium vimineum), Multiflora rose (Rosa multiflora), Oriental bittersweet (Celastrus orbiculata), Privet (Ligustrum spp.), Tree-of-heaven (Ailanthus altissima),

Ecosystems: Forest

Research Areas: Management techniques (mechanical/manual, chemical)

Last updated: September 21, 2015 at 7:13 am

Name: Jaenike, John (Researcher)

Institution: University of Rochester

Description of Expertise:

My research focuses primarily on the ecology and evolution of mycophagous species and their parasites and endosymbionts.

Phone: (585) 275-0009

Website: http://www.rochester.edu/College/BIO/people/faculty/jaenike_john/index.html

Species: Terrestrial Invertebrates, Spotted-wing drosophila (Drosophila suzukii), Earthworms,

Ecosystems: Agricultural, Forest

NY Regions: Finger Lakes

Last updated: September 21, 2015 at 7:13 am

Name: Johnson, Robert (Researcher)

Institution: Medaille College

Description of Expertise:

My research focus is on the Evolution of Increased Competitive Ability (EICA) and the chemical ecology of invasive goldenrods in Europe and Asia. My most recent research investigates the role of allelopathic chemicals in native vs invasive goldenrod populations and their role in mediating competitive interactions and growth dynamics, including metabolic tradeoffs.

Phone: (716) 861-9887

Website: http://www.niagaramalt.com

States: Wisconsin

Species: Terrestrial plants, Wetland plants, Spotted knapweed (Centaurea maculosa), Goldenrod in Europe, Common reed (Phragmites australis), Purple loosestrife (Lythrum salicaria)

Ecosystems: Agricultural, Forest, Native meadows

Research Areas: Chemical ecology, Species demography

NY Regions: Western NY, Finger Lakes

Last updated: September 21, 2015 at 7:13 am

Name: Kiviat, Erik (Researcher)

Institution: Hudsonia

Description of Expertise:

Ecology of certain invasive plants, focusing on their relationships with other organisms, as well as non-habitat ecosystem services provided, and the strategies of selective management given mixtures of benefits and harms.

Phone: 845-758-7273

Website: http://hudsonia.org

Countries: United States

States: New Jersey, New York

Species: Aquatic plants, Terrestrial plants, Wetland plants, Water chestnut (Trapa natans), Tree-of-heaven (Ailanthus altissima), Japanese knotweed (Fallopia japonica), Purple loosestrife (Lythrum salicaria), Common reed (Phragmites australis)

Ecosystems: Riparian, Urban , Wetland

Research Areas: Human dimensions, Impacts, Management techniques , Management techniques

NY Regions: Lower Hudson, Catskills, Capital Mohawk

Related Publications:

Title: Ecosystem services of Phragmites in North America with emphasis on habitat functions Citation: Kiviat, E. 2013. Ecosystem services of Phragmites in North America with emphasis on habitat functions. AoB Plants 2013, doi: 10.1093/aobpla/plt008. 29 p. Link:

Title: Review of world literature on water chestnut with implications for management in North America Citation: Hummel, M. & E. Kiviat. 2004. Review of world literature on water-chestnut (Trapa natans) with impli-cations for management in North America. Journal of Aquatic Plant Management 42(1):17-28. Link:

Title: American Goldfinch Nests in Purple Loosestrife Citation: Kiviat, E. 1996. American goldfinch nests in purple loosestrife. Wilson Bulletin 108(1):182-186. Link:

Last updated: June 4, 2019 at 8:02 am

Name: Kjar, Daniel (Researcher)

Institution: Elmira College

Description of Expertise:

My research focuses on the impacts of alien species on community structure and competitive interactions. Specifically I look at the impacts of invasive species on the ant community. My previous research was on invasive plant impacts but now I focus on alien ant impacts on native ant species.

Phone: (607) 735-1826

Website: http://bio2.elmira.edu

Countries: Other, The Bahamas

States: Maryland, Virginia

Species: Terrestrial Invertebrates, Terrestrial plants, Yellow-footed ant (Nylanderia flavipes), Crazy ant (Paratrechina longicornis), Tropical fire ant (Solenopsis geminata), Red imported fire ant (Solenopsis invicta), Ghost ant (Tapinoma melanocephalum), Vollenhovia emeryii, Garlic mustard (Alliaria petiolata), Oriental bittersweet (Celastrus orbiculata), English ivy (Hedera helix), Honeysuckle (Lonicera spp.), Multiflora rose (Rosa multiflora),

Ecosystems: Forest, Urban

Research Areas: Other, Impacts (ecological)

Last updated: October 9, 2015 at 1:13 am

Name: Kraemer, George (Researcher)

Institution: Purchase College

Description of Expertise:

I am interested in the ecology and associated impacts of marine non-native species. I am primarily a physiological and population ecologist.

Website: http://openscholar.purchase.edu/george_kraemer

Countries: Italy

States: Connecticut, Florida

Species: Aquatic invertebrates, Aquatic plants, Asian shore crab (Hemigrapsus sanguineus), Red algae (Grateloupia turuturu), Red algae (Gracilaria spp.),

Ecosystems: Marine, Urban

Research Areas: Impacts (ecological)

NY Regions: Lower Hudson, Long Island

Last updated: September 21, 2015 at 7:13 am

Name: Krawczyk, Greg (Researcher)

Institution: PSU

Description of Expertise:

My research concentrates on understanding the biology, behavior and management practices for native and invasive insect pests in agricultural settings.

States: Pennsylvania

Species: Terrestrial Invertebrates, Brown marmorated stink bug (Halyomorpha halys), Japanese beetle (Popillia japonica), Spotted-wing drosophila (Drosophila suzukii),

Ecosystems: Agricultural

Research Areas: Extension and education, Impacts (ecological, economic), Management techniques (biological control, mechanical/manual, chemical), Risk assessment

Last updated: September 21, 2015 at 7:13 am

Name: Lapointe, Nicolas (Researcher)

Institution: Nature Conservancy of Canada

Description of Expertise:

My research focuses on the ecological interactions among non-native species and native communities, and the effects of non-native species on the ecosystems where they are introduced. I am also interested in improving understanding of the ecology of introduced species as a means for developing applied management strategies.

States: Virginia

Species: Aquatic vertebrates, Common carp (Cyprinus carpio), Northern snakehead (Channa argus), Round goby (Neogobius melanostomus),

Ecosystems: Freshwater

Research Areas: Impacts (ecological), Mapping/modelling, Public policy, Species demography

Last updated: September 21, 2015 at 7:13 am