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Invasion of Bromus tectorum L. into Western North America: an ecological chronicle

, : Invasion of Bromus tectorum L. into Western North America: an ecological chronicle. Agro Ecosystems 7(2): 145-165

Bromus tectorum entered British Columbia, Washington and Utah in about 1889-1894. By c. 1928 the grass had reached its present distribution occupying much of the perennial grasslands in Washington, Idaho, Oregon, Nevada, Utah and British Columbia as native grasses dwindled with overgrazing and cultivation. In the process this cleistogamous winter annual may have competitively displaced both native colonizers (including cleistogamous annual grasses) as well as the dominants of climax stands.


DOI: 10.1016/0304-3746(81)90027-5

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Lelli, R.; Caporale, V.; Matteo, A. di; Ferri, N.; Urbani, G., 1985: Prevalence of Aleutian disease antibodies in the Abruzzo region of Italy. In immunoelectro-osmophoresis of 6395 serum samples from mink on five farms in three provinces of central Italy in 1984, 3737 (58%) were positive. Elimination of the reactors resulted in higher productivity in 1985.

Sinha Ray, S.; Ghosh, A.; Shit, A.; Chaudhuri, R.K.; Chattopadhyay, S., 2017: A simplified ab initio treatment of diradicaloid structures produced from stretching and breaking chemical bonds. The present investigation reports on the prospect of using state specific multireference perturbation theory (SSMRPT) with an improved virtual orbital complete active space configuration interaction (IVO-CASCI) reference function (IVO-SSMRPT) to g...

Perouse, E.; Vernant, P.; Chery, J.; Reilinger, R.; McClusky, S., 2010: Active surface deformation and sub-lithospheric processes in the western Mediterranean constrained by numerical models. We present the results of dynamic modeling of the western Mediterranean that accounts for observed global positioning system (GPS) surface deformation of the Alboran Sea and surrounding Rif and Betic Mountains as the result of the combined effects...

Savula, M.M.; Gorbatiuk, G.F., 1974: Role of tuberculin tests in the differential diagnosis of tuberculosis and nonspecific lung diseases. Vrachebnoe Delo 5(0): 13-16

Ishii K.; Koga Y.; Kuwahara M.; Onitsuka T.; Sugimoto H.; Tomita Y.; Nakajima S.; Isu T.; Tomita M., 1989: Effects of surgical stress cardiopulmonary bypass and occurrence of los after surgery on thyroid hormones in children receiving open heart surgery. Journal of Cardiovascular Surgery 30(5 SUPPL): 10-11

Barbier, P.; Mohr, P.; Muller, M.; Masciadri, R., 2001: Efficient Fluorination with Tetrabutylammonium Dihydrogen Trifluoride in a Novel Approach toward 1-alpha-Fluoro-25-hydroxy-vitamin D(3) Analogues. The known, but hardly accessible, A-ring phosphine oxide 20, a building block for 1-alpha-fluoro-25-hydroxy-vitamin D(3), was prepared by a new route in gram amounts from (S)-(+)-carvone in 20 steps and 0.6% overall yield. Fluorine was introduced...

Wilson, C.; Nairn, R.; Coverdale, J.; Panapa, A., 1999: Mental illness depictions in prime-time drama: identifying the discursive resources. The aim of this study was to determine how the mentally ill are depicted in prime-time television dramas. Fourteen television dramas that included at least one character with a mental illness, shown in prime-time during a 1-year period, were syste...

Ragless, G.B., 1969: Frank Elliot Parsons, 1882-1968. South Australian Ornithologist, 25: 107-108

Pecis, P.P.; Corradini, C., 1979: Determination of clotting activity due to chymosin in commercial rennets. A simplified version of Garnot's method [see DSA 40, 3659] for determining the relative activity due to chymosin and pepsin in commercial coagulants is described, as well as a simple system for detecting microbial enzymes by measuring coagula...

Obert, B.; Kovacs, G.; Barnabas, B., 1999: Colchicine, genome-doubling agent for maize microspores. Acta Biologica Cracoviensia Series Botanica 41(SUPPL 1): 56