Results
951 - 975 of 1229 Items << < 34 35 36 37 38 39 40 41 42 43 > >>
951 - 975 of 1229 Items << < 34 35 36 37 38 39 40 41 42 43 > >>
|
Document: Appendix to Pacific Southwest Water Plan of August 1963 as modified January 1964 "Fish and Wildlife Service Appendix- Substantiating Report", January 1964, page 2
1964-01-01
|
|
Peroxiredoxins (Prxs) make up an ancient family of enzymes that are the predominant peroxidases for nearly all organisms and play essential roles in reducing hydrogen peroxide, organic hydroperoxides, and peroxynitrite. Even between distantly...
2014-12-16 (iso8601)
|
|
Eight primary ambrosia fungi, Raffaelea canadensis, R.
sulcati, Ambrosiella brunnea, A. ferruginea, A. gnathotrichi, A.
hartigii, A. sulcati, and A. sulphurea (Fungi Imperfecti), were found
in association with 11 ambrosia beetle species...
1972-08-09 (iso8601)
|
|
Fisher behavior can be divided into choices made in the short term (i.e. tactics) and choices made in the long-mid term (i.e. strategies). Random utility modeling (RUM) is well suited for the empirical analysis of these issues. In this paper, RUM...
2006-11 (iso8601)
|
|
Dipterans of the family Ephydridae (shore and brine flies) are well
known for their ability to tolerate and thrive in a wide variety of
physically harsh circumstances. The immature stages of one such species
of this family, Ephydra hians, are...
1980-05-22 (iso8601)
|
|
The distribution and range of lesser prairie-chicken (Tympanuchus pallidicinctus) has been reduced by >90% since European settlement of the Great Plains of North America. Currently, lesser prairie-chickens occupy 3 general vegetation communities:...
2013-12 (iso8601)
|
|
Native fish species such as Bonneville Cutthroat Trout (BCT) require cold, clear, well-connected streams for spawning and rearing as well as access to complimentary habitats. Increasing river temperatures and lower water flows may have allowed...
2020-08-01
|
|
Livestock grazing is a widespread source of habitat modification, and may affect populations of ground-nesting grassland birds by influencing rates of nest failure. Nesting attempts can fail for various reasons, and determining risk of failure...
2012-11 (iso8601)
|
|
Introduction: Creosote-pentachlorophenol (PCP) is a mixture commonly used as a wood preservative in the U.S. (1). A 1988 survey (2) indicated that 1,397 wood preserving waste contaminated sites exist in the United...
1992-01-01
|
|
This collection contains papers, which
represent Meyer Chessin’s education at the University of California and career
as a Plant Physiologist at The University of Montana; these paper include
correspondence, publications, research...
|
|
Mysids were sampled seasonally from the intertidal
zone of the beach to a depth of 61 m offshore along the
mid-Oregon coast. The seven mysid species collected
occurred in characteristic bathymetric zones, with members
of different genera occupying...
1982-11-04 (iso8601)
|
|
fishing and hunting contribute materially to the economy of the region through the purchases of licenses and fees; fishing tackle and sportarms and ammunition; food, fuel, and other supplies; vehicles and trailers; the hire of services and...
|
|
Plantago ovata Forssk. (Plantaginaceae) is a winter annual species which, in North
America, inhabits desert and Mediterranean habitats of the southwest United States,
northwest Mexico and the Channel Islands of California and Mexico. In the...
2005-03-09 (iso8601)
|
|
Interspecific hybridizations between P. vulgaris and P. acutifolius
and between P. vulgaris and P. lunatus were investigated. Prefertilization
events were similar in inter- and intra-specific crosses. Fertilization
was completed in all crosses and...
1980-12-15 (iso8601)
|
|
The polyunsaturated fatty acids (PUFA) are known to be required
for larval growth and normal wing development in several
species of Lepidoptera but most of the basic information necessary
for a complete understanding of this nutritional phenomenon...
1970-05-01 (iso8601)
|
|
Riparian areas that can be used as reference sites on which to base goals of vegetation restoration have not been documented in the Oregon Coast Range. I examined the composition and distribution of unmanaged riparian overstories in the central...
1996-11-25 (iso8601)
|
|
Fish and habitat were sampled by state agencies at 48 stations throughout the Cache River watershed, Illinois between 1992 and 2009. Two distinct fish assemblages were identified, one primarily found in the lower mainstem Cache River and a second...
2014-01-01
|
|
Over 75 people braved the wintry weather to attend the Eleventh Platte River Basin Ecosystem Symposium that convened in Kearney on 27 February 2001. Icy roads lead to cancellation of only 2 papers. Seventeen papers were presented and 5 posters...
2001-01-01
|
|
Riparian areas in the Pacific Northwest provide important biotic and abiotic
features, such as down wood, moist microsites, and abundant invertebrate prey that
benefit aquatic and terrestrial amphibians. Reported high densities of amphibians from...
2006-09-13T16:23:54Z (iso8601)
|
|
Marine sediments contain an abundance of methane that is biologically produced
and plays a significant role in the global carbon cycle. Microbes responsible for the
carbon cycle in marine sediments, and the processes that they carry out, need...
2011-10-20 (iso8601)
|
|
Document: Appendix to Pacific Southwest Water Plan of August 1963 as modified January 1964 "Fish and Wildlife Service Appendix- Substantiating Report- August 1963", January 1964, page 2
1964-01-01
|
