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Physiological and ecotypic adaptations of plants to salt desert conditions in Utah


, : Physiological and ecotypic adaptations of plants to salt desert conditions in Utah. Journal of Ecology 61(2): 473-494

Plant distribution in salt desert is economically important since the forage value of the species varies widely and the proportion of useful species determines the grazing value of the desert rangeland. 2 dominants, Atriplex confertifolia and Eurotia lanata, occurred in mosaics of slightly differing communities within a single zone of the halosere which surrounds the Great Salt Lake, whereas a subdominant, Atriplex nuttalii, was exceptionally widespread, occurring over an 80-fold range of salinity in several zones of the halosere. To investigate whether ecotypic variation might partly explain the observed differences in plant distribution the growth of the 3 species was measured in the field, in uniform conditions in the glasshouse and in graded salt solutions. In the field the yield of A. nuttalii increased as salinity decreased. Applied N had no effect on A. nuttallii and was detrimental to the use of salt desert as range. Major differences existed in the growth of A. nuttallii by the Great Salt Lake and at other points along the halosere. Pure stands of A. confertifolia and E. lanata yielded more of each species than did mixed communities including grasses. Total yields were similar in mixed communities and pure stands and interactions were found between species and community. The yield of A. confertifolia in mixtures was small in May and was decreased by applied N. Under uniform conditions ecotypes of A. nuttallii from saline sites yielded more than those from less saline sites. When plants of A. confertifolia and E. lanata from different communities were grown under uniform conditions their yields were similar. In solution-culture, species varied in their salt and B tolerance. Growth of E. lanata was decreased by increased salt and B, whereas that of A. nuttallii was increased. The salt response of A. nuttallii ecotypes was correlated with the salinity of their natural habitats. The ecotypes of A. nuttallii largely explained its distribution, but the mosaic distribution of Atriplex/Eurotia could not be explained.

US$19.90

DOI: 10.2307/2259040


Other references

Hedjaroude, Ga, 1976: Report on some form species of imperfect. Iranian journal of plant pathology: 12 (3 4) 89-93

Campos Marín, R., 1994: Workers' housing. One aspect of the temperance movement in Spain during the Restoration. The Spanish Restoration saw the development of a pro-temperance literature, aimed at warning against the dangers of the excessive drinking and demanding that the authorities apply measures to decrease the consumption of alcohol. One of the basic p...

Sigrist-Nelson, K., 1975: Dipeptide transport in isolated intestinal brush border membrane. Transport of glycyl-L-leucine into isolated brush border membrane vesicles was studied. On the basis of the following observations it was postulated that glycyl-L-leucine was transported intact by a specific dipeptide mechanism. (1) The differing...

Lee, J.; Park, S.H.e; Sundaram, S., 2003: A Mutation Causing a Reduced Level of Expression of Six b4-Galactosyltransferase Genes Is the Basis of the Lec19 CHO Glycosylation Mutant. To identify factors required for the synthesis of complex glycans, we have isolated Chinese hamster ovary (CHO) cell mutants resistant to plant lectins. We previously identified Lec19 CHO cells as resistant to the Gal-binding lectins ricin, abrin,...

Tracewell, W.G.; Vaughan, W.P.; Gwilt, P.R., 1992: Pharmacokinetics of hydroxyurea in the rat. Pharmaceutical Research (New York) 9(10 SUPPL ): S260

Turner, J.B.; Corazzini, R.L.; Butler, T.J.; Garlick, D.S.; Rinker, B.D., 2015: Evaluating adhesion reduction efficacy of type I/III collagen membrane and collagen-GAG resorbable matrix in primary flexor tendon repair in a chicken model. Reduction of peritendinous adhesions after injury and repair has been the subject of extensive prior investigation. The application of a circumferential barrier at the repair site may limit the quantity of peritendinous adhesions while preserving...

Lamprecht J., 1984: Mechanisms of group cohesion. Journal Fuer Ornithologie: 358

Naidu, N.V.S.; Suresh, G.; Prasad, B.; Saraswathi, K., 2004: Electrochemical study of potassium isobutyl xanthate at a mercury electrode. Polarographic studies of potassium isobutyl xanthate at a mercury electrode reveal that the product of an anodic reaction is strongly adsorbed at the mercury surface, as indicated by a prewave. The adsorbed film greatly affects the characteristics...

Hussain, S.; Nakkady, S1; Khan, L1; Shamma, M., 1983: Oxyhydrastinine, an isoquinolone alkaloid from the Papaveraceae Argemone mexicana, Papaver dubium var. glabrum. Phytochemistry 2(1): 319-320

Banskota, A.H.; Tezuka, Y.; Phung, L.K.; Tran, K.Q.; Saiki, I.; Miwa, Y.; Taga, T.; Kadota, S., 1999: Cytotoxic cycloartane-type triterpenes from Combretum quadrangulare. Seven novel cycloartane-type triterpenes were isolated from leaves of C. quadrangulare. Their structures were elucidated on the basis of spectral analysis. All compounds were tested for their cytotoxicity against murine colon 26-L5 carcinoma cells...