Zobrazeno 1 - 10
of 50
pro vyhledávání: '"Alisa L. Gallant"'
Publikováno v:
Global Ecology and Conservation, Vol 23, Iss , Pp e01173- (2020)
The U.S. Fish and Wildlife Service listed Anaxyrus canorus, the Yosemite toad, as federally threatened in 2014 based upon reported population declines and vulnerability to global-change factors. A. canorus lives only in California’s central Sierra
Externí odkaz:
https://doaj.org/article/648f39e02afe4e2caccda350cec3912a
Autor:
Alisa L. Gallant
Publikováno v:
Remote Sensing, Vol 7, Iss 8, Pp 10938-10950 (2015)
Wetlands are highly productive and support a wide variety of ecosystem goods and services. Various forms of global change impose compelling needs for timely and reliable information on the status of wetlands worldwide, but several characteristics of
Externí odkaz:
https://doaj.org/article/7f26fbcce1b64dd39e25fcf40bb330c1
Autor:
Qiang Zhou, Jennifer Rover, Jesslyn Brown, Bruce Worstell, Danny Howard, Zhuoting Wu, Alisa L. Gallant, Bradley Rundquist, Morgen Burke
Publikováno v:
Remote Sensing, Vol 11, Iss 3, p 328 (2019)
Remotely monitoring changes in central U.S. grasslands is challenging because these landscapes tend to respond quickly to disturbances and changes in weather. Such dynamic responses influence nutrient cycling, greenhouse gas contributions, habitat av
Externí odkaz:
https://doaj.org/article/e03e5614b2224df4888bee3a9671cd2f
Publikováno v:
Remote Sensing, Vol 5, Iss 7, Pp 3212-3238 (2013)
Wetland mapping at the landscape scale using remotely sensed data requires both affordable data and an efficient accurate classification method. Random forest classification offers several advantages over traditional land cover classification techniq
Externí odkaz:
https://doaj.org/article/c46e0423377e48828e545f741bdc50a1
Publikováno v:
Sensors, Vol 18, Iss 3, p 880 (2018)
Assessing climate-related ecological changes across spatiotemporal scales meaningful to resource managers is challenging because no one method reliably produces essential data at both fine and broad scales. We recently confronted such challenges whil
Externí odkaz:
https://doaj.org/article/8cd58dbcc3734af1a352dc390959e419
Autor:
Nathan J. Engbrecht, Alisa L. Gallant, Robert W. Klaver, Jennifer L. Heemeyer, Vanessa C. Kinney, Michael J. Lannoo
Publikováno v:
Diversity, Vol 1, Iss 2, Pp 118-132 (2009)
Coal extraction has been occurring in the Midwestern United States for over a century. Despite the pre-mining history of the landscape as woodlands, spent surface coalfields are often reclaimed to grasslands. We assessed amphibian and reptile species
Externí odkaz:
https://doaj.org/article/d498ad4771934ba58bd4d3482021e542
Publikováno v:
Remote Sensing, Vol 8, Iss 10, p 811 (2016)
The U.S. Geological Survey (USGS) has begun the development of operational, 30-m resolution annual thematic land cover data to meet the needs of a variety of land cover data users. The Continuous Change Detection and Classification (CCDC) algorithm i
Externí odkaz:
https://doaj.org/article/056eac3e36ec46a5b9b12ac5737d0b2f
Publikováno v:
Global Ecology and Conservation, Vol 23, Iss, Pp e01173-(2020)
The U.S. Fish and Wildlife Service listed Anaxyrus canorus, the Yosemite toad, as federally threatened in 2014 based upon reported population declines and vulnerability to global-change factors. A. canorus lives only in California’s central Sierra
Publikováno v:
International Journal of Remote Sensing. 40:956-984
Vegetation green-up signals the timing of available nutritious plants and shrubs providing high-quality forage for ungulates. In this study, we characterized spatial and temporal patterns of spring phenology and explored how they were related to prec
Autor:
Benjamin L. Carlson, Clint R. V. Otto, Alisa L. Gallant, Rich Iovanna, Haochi Zheng, Matthew D. Smart, Skip Hyberg
Publikováno v:
Proceedings of the National Academy of Sciences of the United States of America
Significance Global pollinator declines have raised significant concern over food security, human health, and agricultural productivity. Our work highlights how the Conservation Reserve Program (CRP) has a direct influence on landscape suitability fo