Zobrazeno 1 - 10
of 26
pro vyhledávání: '"Donald P. Schwert"'
Publikováno v:
Journal of Archaeological Science: Reports. 2:677-687
A long standing research approach in island Oceania is the examination of community and regional level patterning of archaeological remains. However, these efforts are impeded by heavy vegetation and rugged terrain, which limit the implementation and
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::e9e3483fbbc1060e2aa5c4b49864274b
https://doi.org/10.1016/j.jasrep.2014.11.010
https://doi.org/10.1016/j.jasrep.2014.11.010
Publikováno v:
Computers & Geosciences. 28:1167-1176
We are developing internet-based freeware for virtual mapping and geologic interpretation. This takes the form of a synthetic, virtual world, Planet Oit, where students are given the means and the equipment to carry out geologic investigation and int
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::93c1dbc0b65540b3d94685629174e067
https://doi.org/10.1016/s0098-3004(02)00036-5
https://doi.org/10.1016/s0098-3004(02)00036-5
Publikováno v:
Journal of Biogeography. 26:785-794
Summary Aim This study examines the hypothesis that the biogeographic history of a species is reflected in the distribution of molecular genetic diversity and the phylogenies of extant populations. Location Populations of arctic-alpine ground beetle
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::a659b89d125c19f4ff7ed21378a23b9c
https://doi.org/10.1046/j.1365-2699.1999.00321.x
https://doi.org/10.1046/j.1365-2699.1999.00321.x
Autor:
Bernhardt Saini-Eidukat, Donald P. Schwert, Paul Juell, Curt Hill, Alan R. White, Brian M. Slator, Philip E. McClean
Publikováno v:
Journal of Network and Computer Applications. 22:161-174
WWWIC, the NDSU World Wide Web Instructional Committee, is engaged in developing a range of virtual environments for education. These projects span a range of disciplines, from earth science to anthropology, and from business to biology. However, all
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::4530587b066babcf9e2cb99ca6a88346
https://doi.org/10.1006/jnca.1999.0089
https://doi.org/10.1006/jnca.1999.0089
Autor:
Luis A. González, Richard G. Baker, Donald P. Schwert, C. A. Chumbley, E. A. Bettis, Diana G. Horton, Mark K. Reagan
Publikováno v:
Ecological Monographs. 66:203-234
This paper presents the biotic, sedimentary, geomorphic, and climatic history of the upper part of the Roberts Creek Basin, northeastern Iowa for the late-glacial and Holocene, and compares these records with a C-O isotopic sequence from Coldwater Ca
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::fb4e0360343ac383bf9bd04724378c52
https://doi.org/10.2307/2963475
https://doi.org/10.2307/2963475
Publikováno v:
Quaternary Research. 45:216-225
A brief cold–warm–cold climate change during the middle Wisconsinan is described for the first time in North America, based on fossil beetle assemblages at Titusville, Pennsylvania. AMS dating of insect chitin and wood suggests the change occurre
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::b9c947edefb0f31caa4bce8a37da9c0e
https://doi.org/10.1006/qres.1996.0022
https://doi.org/10.1006/qres.1996.0022
Publikováno v:
Environmental Entomology. 24:716-719
To establish an efficient method for preservation of field-collected beetles for molecular genetic analyses, 5 different preservation treatments were compared : ethyl acetate, ethanol, Carnoy fixative, DNA isolation buffer, and liquid nitrogen. Cryop
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::57cc109dacf06560258a02a2b141a076
https://doi.org/10.1093/ee/24.3.716
https://doi.org/10.1093/ee/24.3.716
Publikováno v:
The Holocene. 3:314-323
European settlement and attendant forest clearance and agricultural activities in northeastern Iowa caused changes in the landscape, vegetation, insect fauna and water quality unequalled in rate and magnitude since the melting of Wisconsinan glaciers
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::f52b3e128b8d2903f9b1f220ef22e9b0
https://doi.org/10.1177/095968369300300403
https://doi.org/10.1177/095968369300300403
Autor:
Richard G. Baker, E. A. Bettis, Donald P. Schwert, Diana G. Horton, Holmes A. Semken, T. J. Kemmis
Publikováno v:
Geological Society of America Bulletin. 103:210-220
A sequence of loess-mantled sediments exposed along Clanton Creek provides the first evidence of fluvial, pedologic, and biotic environments before the last glacial maximum in south-central Iowa. Two fining-upward fluvial sequences, one inset into th
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::9b58e63ebca2d21eb51bf00b914e9a6f
https://doi.org/10.1130/0016-7606(1991)103<0210:mwsapa>2.3.co
https://doi.org/10.1130/0016-7606(1991)103<0210:mwsapa>2.3.co
Autor:
Diana G. Horton, Amy E. Sullivan, Clarke E. Garry, Tim J. Kemmis, Donald P. Schwert, Richard G. Baker
Publikováno v:
Quaternary Research. 33:387-399
Organic material exposed within a small swale fill in Pit 6 of the Wedron Silica Sand Co. near Wedron in LaSalle County, Illinois, includes well-preserved pollen, plant macrofossils, and insect remains. This material occurs in slackwater sediment in
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::fbe3771cdb3a8614e2a543097e3f9e9f
https://doi.org/10.1016/0033-5894(90)90064-r
https://doi.org/10.1016/0033-5894(90)90064-r