Zobrazeno 1 - 10
of 23
pro vyhledávání: '"Steven W. Carothers"'
Publikováno v:
The Southwestern Naturalist. 66
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::c9e222f0c06a908cfbf7bf40ef703b36
https://doi.org/10.1894/0038-4909-66.3.203
https://doi.org/10.1894/0038-4909-66.3.203
Publikováno v:
Southwestern Entomologist. 44:189
Current distribution records for Batrisodes texanus Chandler have become more refined since the species was federally listed as endangered in the United States almost 30 years ago. Distribution and range records are compiled from a variety of sources
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::853231948c4f5a6a8aa9069a3266ef87
https://doi.org/10.3958/059.044.0121
https://doi.org/10.3958/059.044.0121
Publikováno v:
Sinkholes and the Engineering and Environmental Impacts of Karst.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::d3f0c11a3ebf58636e62ed622e6eb3fe
https://doi.org/10.1061/41003(327)73
https://doi.org/10.1061/41003(327)73
Publikováno v:
American Zoologist. 14:97-108
Breeding bird populations were studied on seven riparian woodland study plots in north-central Arizona. The densities of breeding birds varied from 193 to 847 pairs per 40 hectares. These differences were, in part, related to the vegetative structure
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::496082604c3fa905baba51b54c8fd585
https://doi.org/10.1093/icb/14.1.97
https://doi.org/10.1093/icb/14.1.97
Autor:
Norman G. Sharber, Steven W. Carothers
Publikováno v:
North American Journal of Fisheries Management. 7:450-453
Fish caught by electrofishing are usually held in live tanks before appropriate data are recorded; however, if the tank water is not circulated, changes in water temperature and oxygen concentration may harm the fish. Also, if the water is circulated
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::409fa283ea4eea2f3b6bec0aa64925b6
https://doi.org/10.1577/1548-8659(1987)7<450:sesltf>2.0.co
https://doi.org/10.1577/1548-8659(1987)7<450:sesltf>2.0.co
Autor:
R. Roy Johnson, Steven W. Carothers
Publikováno v:
Environmental Management. 11:99-107
The United States Congress established Grand Canyon National Park in 1919 to preserve for posterity the outstanding natural attributes of the canyon cut by the Colorado River. In some cases National Park Service attempts to maintain Grand Canyon's na
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::52931f8a99c52d129a2979c8aea51e49
https://doi.org/10.1007/bf01867185
https://doi.org/10.1007/bf01867185
Publikováno v:
Environmental Management. 8:353-357
Recreational impact was measured on eight beaches in Glen Canyon National Recreation Area and 15 beaches in Grand Canyon National Park using permanently located transects and plots. Recreational impact indices included densities of human trash and ch
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::752e59fb7902982d7ff9e11a25338ae2
https://doi.org/10.1007/bf01868034
https://doi.org/10.1007/bf01868034