Research on the NBHCP’s “Covered Species”

Occasionally the Conservancy participates in or is made aware of research that is specific to the NBHCP’s “Covered Species.” While the resources listed here are not intended to be comprehensive, they are noteworthy in that they have helped the Conservancy. The listings have either helped memorialize learnings that may be helpful to future managers or provide new information that has guided opinions and strategies that Conservancy management has employed to refine its care of mitigation lands.

Giant garter snake

View the Conservation reliance of a threatened snake on rice agriculture report in PDF format

Conservation reliance of a threatened snake on rice agriculture

Brian J. Halstead, Jonathan P. Rose, Gabriel A. Reyes, Glenn D. Wylie, Michael L. Casazza

2019

Global Ecology and Conservation

View the Integrating growth and capture–mark–recapture models reveals size-dependent survival in an elusive species report in PDF format

Integrating growth and capture–mark–recapture models reveals size-dependent survival in an elusive species

Jonathan P. Rose, Glenn D. Wylie, Michael L. Casazza, and Brian J. Halstead

August 2018

Ecosphere

An Evaluation of the Efficacy of Using Environmental DNA (eDNA) to Detect Giant Gartersnakes

An Evaluation of the Efficacy of Using Environmental DNA (eDNA) to Detect Giant Gartersnakes (Thamnophis gigas)

Open file report 2017-1123

U.S. Geological Survey

2017

view the Conceptual Model for Site-Level Ecology of the Giant Gartersnake in PDF format

A Conceptual Model for Site-Level Ecology of the Giant Gartersnake (Thamnophis gigas) in the Sacramento Valley, California

Open-File Report 2015-1152

U.S. Geological Survey

August 2015

View the Literature Review of Giant Gartersnake in PDF format

Literature Review of Giant Gartersnake (Thamnophis gigas) Biology and Conservation

Open-File Report 2015-1150

U.S. Geological Survey

August 2015

view the Estimates of Survival Probability from Two Populations of Giant gartersnakes in California’s Great Central Valley in PDF format

Estimates of Survival Probability from Two Populations of Giant gartersnakes in California’s Great Central Valley

Eric C. Hansen, Rick D. Scherer, Gary C. White, Brett G. Dickson, and Erica Fleishman

Copeia

December 2015

view the Relations between Environmental Attributes and Contemporary Occupancy of Threatened Giant gartersnakes in PDF format

Relations between Environmental Attributes and Contemporary Occupancy of Threatened Giant gartersnakes

Eric C. Hansen, Rick D. Scherer, Erica Fleishman, Brett G. Dickson, and Dave Krolick

Journal of Herpetology, 51(2):274-283.

April 21, 2017

view the Defining population structure and genetics signatures of declines in the giant gartersnakes (Thamnophis gigas): implications for conserving threatened species within highly altered landscapes in PDF format

Defining population structure and genetics signatures of declines in the giant gartersnakes (Thamnophis gigas): implications for conserving threatened species within highly altered landscapes.

Dustin A. Wood, Brian J. Halstead, Michael L. Casazza, Eric C. Hansen, Glenn D. Wylie and Amy G. Vandergast

Conservation Genetics

October 2015

view the Giant gartersnake (Thamnophis gigas) Environmental DNA and trapping surveys at the Natomas Basin Conservancy’s Cummings Tract, Sacramento County in PDF format

Giant gartersnake (Thamnophis gigas) Environmental DNA and trapping surveys at the Natomas Basin Conservancy’s Cummings Tract, Sacramento County, CA

Eric C. Hansen

December 15, 2017

Swainson’s hawk

view the Space Use by Swainson’s Hawk (Buteo swainsoni) in the Natomas Basin, California in PDF format

Space Use by Swainson’s Hawk (Buteo swainsoni) in the Natomas Basin, California

E. Fleishman, J. Anderson, B. G. Dickson, D. Krolick, J. A. Estep, R. L. Anderson, C. S. Elphick, D. S. Dobkin and D. A. Bell

Collabra

April 7, 2016

Other Reports

view the Evaluation of Wetland Hydrology in Formerly Irrigated Areas in PDF format

Evaluation of Wetland Hydrology in Formerly Irrigated Areas

US Army Corps of Engineers®
Engineer Research and Development Center
Jackob F. Berkowitz, Jason P. Pietroski, and Steven J. Currie

July 2017