Toxicants in Wildlife and the Forest Environment

2017

Journal Articles

C. Thompson, M.W. Gabriel, and K. Purcell. (2017) The Ongoing Struggle against Marijuana Cultivation and Toxicant use in Western Forests, an Ever-changing Ecological Battlefield. The Wildlife Professional, 11 (3):42-46.

Book Chapters

G.M. Wengert, M.W. Gabriel, C. Thompson, and J.M. Higley, (2017) Ecological impacts across the landscape from trespass marijuana cultivation on western public lands. in Marijuana: New Research and Frontiers. C. Miller editor, In Press-University Press of Kansas.

C. Thompson, M.W.Gabriel, J.M. Higley, and G.M. Wengert, (2017) Effects of illegal marijuana cultivation on wildlife. Pesticide exposure in a native carnivore and consequences for the species survival. in Marijuana: New Research and Frontiers. C. Miller editor, In Press-University Press of Kansas.

 J.M. Higley, M.W.Gabriel, C.Thompson, G.M. Wengert, (2017) The marijuana green rush is anything but green on Hoopa tribal lands. in Marijuana: New Research and Frontiers. C. Miller editor, In Press-University Press of Kansas.

2015

Journal Articles

M.W. Gabriel, L. Woods, G.M.,Wengert, N. Stephenson,J.M. Higley, C.Thompson, S.M. Matthews, R.A. Sweitzer, K. Purcell, R.H.Barrett, and S.M.Keller, (2015). Patterns of natural and human-caused mortality factors of a rare forest carnivore, the fisher (Pekania pennanti) in California. PLoS ONE, 10(11), p.e0140640.

R.A. Sweitzer, V.D. Popescu, C.Thompson, K. Purcell, R.H. Barrett, G.M. Wengert, M.W. Gabriel, and L.Woods, (2015), Mortality risks and limits to population growth of fishers. The Journal of Wildlife Management. doi: 10.1002/jwmg.1020.

2013

Journal Articles

 Conservation Letters (2013)  “Impacts of rodenticide and insecticide toxicants from marijuana cultivation sites on fisher survival rates in the Sierra National Forest, California”.

 M.W. Gabriel et al. (2013)  “Silent Forests? Rodenticides on illegal marijuana crops harm wildlife”.
PDF of rodenticide paper
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Video: Confirmed poisoning case of a fisher (Pekania pennanti) in California.

Necropsy Summary

Poisoned fisher necropsy summary (2013): Intentional poisoning of a fisher (Martes pennanti) with a carbamate insecticide laced bait at an illegal marijuana trespass cultivation site.

2012

Journal Articles

 M.W. Gabriel, L.W. Woods, R. Poppenga, R.A. Sweitzer, C. Thompson, S.M. Matthews, J.M. Higley, S.M. Keller, K. Purcell, R.H. Barrett, G.M. Wengert, B.N. Sacks, D.L. Clifford, (2012) Anticoagulant rodenticides on our public and community lands: Spatial distribution of exposure and poisoning of a rare forest carnivore
PDF of rodenticide paper

Rodenticide in fisher home ranges Short PDF documentation of an abandoned illegal marijuana grow site located within several fisher home-ranges where anticoagulant rodenticides and other toxicants were found

2011

Presentation Summaries

2011 Wildlife Society annual meeting, western section: M.Gabriel et al. Fisher mortality presentation

2011 Mourad W. Gabriel presentation to Sierra adaptive management project fisher stakeholder meeting, Fresno CA

 


Frequently asked questions (FAQ) on anticoagulant rodenticides in fishers