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W Georgia St
Vancouver, BC
Canada

Zoetica Environmental Research Services is a full spectrum environmental consulting firm, with in-house expertise in Terrestrial Sciences, Environmental Impact Assessment, Biostatistics, Land Use, Toxicology, and TK. Zoetica also consists of ZoeticaNet Associates in Aquatic and Fisheries Sciences, Engineering, Statistics, Planning, Mapping, Social Scientists (the Human Environment), and Legal Information Providers (Aboriginal and Environmental Lawyers) . When you hire Zoetica on a project, you get the added bonus of having your project hosted on and being provided free access to the ZoeticaNet system and online boardroom. This new project management system allows you, and us, to work together on joint documents, track the progress of your project, assign tasks and milestones, and to access expert feedback and advice, and to share information in real-time. Over 249 senior-level scientists at the forefront of their disciplines are now signed up with the ZoeticaNet system, giving us ease of access to the leading experts in over 28 disciplines. Zoetica also enables you to solicit answers from the leading experts across disciplines from the comfort of your own home via the ZOETICANET question and answer system. 

 

Wildlife Overpasses

Zoetip

Wildlife Overpasses

Heather Bears

Wildlife overpasses have long been thought to help reduce wildlife roadkill, by providing them with a safer option for crossing roads. However, recent publications are showing that these structures can help with an even more pervasive problem over time - roads acting as a barrier to gene flow. 

It has been shown that highways that host > 10 vehicles per hour can start to measurably deter grizzly bears, particularly females, from crossing busy roadways. Over time, this can lead to measurable genetic changes in populations on either side of the road. Eventually, it is projected that decreased breeding across a major roadway can lead to populations having insufficient genetic diversity to thrive.

A recent study conducted by researchers at Montana State University and published in the Proceedings of the Royal Society B showed that grizzly and black bears were able to utilize wildlife overpass structures to rendezvous with members of the opposite sex on either side of the Trans-Canada Highway in Banff National Park. In fact, one black bear male in the study became quite the stud with use of the overpass, mating with at least five different females and fathering at least 11 offspring while crossing back and forth over the road!