Wildlife Crossing Structures
Monitor different crossing structures to determine which kinds work best. TERI Administrator Note (June 2007): Research Completed (See Below) NCHRP – Evaluation of the Use and Effectiveness of Wildlife Crossings,…
Monitor different crossing structures to determine which kinds work best. TERI Administrator Note (June 2007): Research Completed (See Below) NCHRP – Evaluation of the Use and Effectiveness of Wildlife Crossings,…
Problem Statement: Many DOTs are being required to conduct surveys for bat as a part of ecological impact studies or biological assessments for endangered species. Positive identification of some endangered…
TERI Administrator Note (March 2008) Research Completed: HIGHWAY MEDIAN IMPACTS ON WILDLIFE MOVEMENT AND MORTALITY – State of the Practice Survey and Gap Analysis, CalTrans, 2006 http://www.dot.ca.gov/newtech/researchreports/reports/2006/median_barrier_final_report.pdf Problem Statement: Along…
Problem Statement: In transportation programs, there is a need to address situations that may affect salmon and their habitats under the Endangered Species Act (ESA). Culverts can block upstream passage…
Problem: Animal vehicle collisions are a challenge from the safety and ecological standpoint. Many current solutions are expensive (large crossing structures), potentially ineffective (static warning signs), or potentially ecologically damaging…
Problem Statement: Over the last decade natural resource agencies and transportation agencies have become increasingly aware of the effects that highway and railroad systems have on wildlife and fisheries. The…
Background: The U. S. Congress enacted the Migratory Bird Treaty Act (MBTA) in 1918 to implement several international treaties. The treaties were entered into because of concerns about the decline…
TERI Database Administrator Notes: Not recommended at present time by 2009 Natural Systems Subcommittee. The copperbelly water snake (Nerodia erythrogaster neglecta), which is federally listed as threatened, occurs in the…
Bats are an indispensable natural resource. Notably, they consume enormous quantities of farm and forest insect pests, saving the agricultural industry millions in lost products. Unfortunately, more than half of…
Using a modification of the methods used by J.C. Rochaa et al. J. Braz. Chem. Soc. Water Samples from 5-10 NW Salmon Streams will be taken and the fulvic acid…