Zobrazeno 1 - 10
of 205
pro vyhledávání: '"Semmens, Darius"'
Autor:
Thogmartin, Wayne E, López-Hoffman, Laura, Rohweder, Jason, Diffendorfer, Jay, Drum, Ryan, Semmens, Darius, Black, Scott, Caldwell, Iris, Cotter, Donita, Drobney, Pauline, Jackson, Laura L, Gale, Michael, Helmers, Doug, Hilburger, Steve, Howard, Elizabeth, Oberhauser, Karen, Pleasants, John, Semmens, Brice, Taylor, Orley, Ward, Patrick, Weltzin, Jake F, Wiederholt, Ruscena
The eastern migratory population of monarch butterflies (Danaus plexippus plexippus) has declined by >80% within the last two decades. One possible cause of this decline is the loss of >= 1.3 billion stems of milkweed (Asclepias spp.), which monarchs
Externí odkaz:
http://hdl.handle.net/10150/624923
http://arizona.openrepository.com/arizona/handle/10150/624923
http://arizona.openrepository.com/arizona/handle/10150/624923
Autor:
Thogmartin, Wayne E., Diffendorfer, Jay E., López-Hoffman, Laura, Oberhauser, Karen, Pleasants, John, Semmens, Brice X., Semmens, Darius, Taylor, Orley R., Wiederholt, Ruscena
Given the rapid population decline and recent petition for listing of the monarch butterfly (Danaus plexippus L.) under the Endangered Species Act, an accurate estimate of the Eastern, migratory population size is needed. Because of difficulty in cou
Externí odkaz:
http://hdl.handle.net/10150/624050
http://arizona.openrepository.com/arizona/handle/10150/624050
http://arizona.openrepository.com/arizona/handle/10150/624050
Autor:
López-Hoffman, Laura, Diffendorfer, Jay, Wiederholt, Ruscena, Bagstad, Kenneth J., Thogmartin, Wayne E., McCracken, Gary, Medellin, Rodrigo L., Russell, Amy, Semmens, Darius J.
Drivers of environmental change in one location can have profound effects on ecosystem services and human well-being in distant locations, often across international borders. The telecoupling provides a conceptual framework for describing these inter
Externí odkaz:
http://hdl.handle.net/10150/626546
http://arizona.openrepository.com/arizona/handle/10150/626546
http://arizona.openrepository.com/arizona/handle/10150/626546
Autor:
Semmens, Darius James.
Watershed models have two significant shortcomings that limit their application to management problems in arid and semi-arid regions. The first is that the performance of event-based hydrologic models for ephemeral stream networks declines significan
Externí odkaz:
http://hdl.handle.net/10150/191267
Autor:
Lourdes, Karen T., Gibbins, Chris N., Sherrouse, Ben C., Semmens, Darius J., Hamel, Perrine, Sanusi, Ruzana, Azhar, Badrul, Diffendorfer, Jay, Lechner, Alex M.
Publikováno v:
In Urban Forestry & Urban Greening February 2024 92
Autor:
Thogmartin, Wayne E., Devries, James H., Semmens, Darius J., Diffendorfer, Jay E., Dubovsky, James A., Derbridge, Jonathan J., Mattsson, Brady J.
Publikováno v:
In Biological Conservation September 2023 285
Autor:
Ancona, Zachary H., Bagstad, Kenneth J., Le, Lena, Semmens, Darius J., Sherrouse, Ben C., Murray, Grant, Cook, Philip S., DiDonato, Eva
Publikováno v:
In Ocean and Coastal Management 1 May 2022 222
Publikováno v:
In Environmental Modelling and Software February 2022 148
Autor:
Semmens, Darius James
Thesis (Ph. D. - Renewable Natural Resources)--University of Arizona, 2004.
Includes bibliographical references (leaves 209-217).
Includes bibliographical references (leaves 209-217).
Externí odkaz:
http://etd.library.arizona.edu/etd/GetFileServlet?file=file:///data1/pdf/etd/azu_e9791_2004_140_sip1_w.pdf&type=application/pdf
Autor:
Bagstad, Kenneth J., Semmens, Darius J., Diffendorfer, James E., Mattsson, Brady J., Dubovsky, James, Thogmartin, Wayne E., Wiederholt, Ruscena, Loomis, John, Bieri, Joanna A., Sample, Christine, Goldstein, Joshua, López-Hoffman, Laura
Publikováno v:
Ambio, 2019 Jan 01. 48(1), 61-73.
Externí odkaz:
https://www.jstor.org/stable/48693861