Zobrazeno 1 - 10
of 20
pro vyhledávání: '"Wayne S Johnson"'
Autor:
G. Cornelis van Kooten, Mark E. Eiswerth, Steve E. Schoenig, Wayne S. Johnson, Alison J. Eagle
Publikováno v:
Rangeland Ecology & Management, 60(4), 369-377
Rangeland Ecology & Management 60 (2007) 4
Rangeland Ecology & Management 60 (2007) 4
While the significant ecosystem damage caused by invasive weeds has been well documented, the economic consequences of specific invasive weed species are poorly understood. Yellow starthistle (Centaurea solstitialis L., hereafter YST) is the most wid
Publikováno v:
Weed Technology. 19:237-243
Perennial pepperweed, found throughout the western United States, reduces biodiversity and causes economic losses in the form of control costs as well as decreased quantity and quality of agricultural yields. The future stream of net benefits of weed
Publikováno v:
Weed Science. 53:130-137
Nonindigenous invasive weed species can have substantial negative impacts on the quantity and quality of outdoor recreational activities such as fishing, hunting, hiking, wildlife viewing, and water-based recreation. Despite the significance of impac
Autor:
Wayne S. Johnson, Mark E. Eiswerth
Publikováno v:
Environmental and Resource Economics. 23:319-342
Accidental introductions of nonindigenous invasive species impair ecosystems, increase the risk of native species extinctions, and cause substantial economic damages on a worldwide basis. Despite the magnitude of the problem, very little economic ana
Publikováno v:
Weed Technology. 14:511-518
Eurasian watermilfoil, an aquatic invasive weed, has been identified recently at a number of sites in western Nevada and northeastern California, including Lake Tahoe. Because Eurasian watermilfoil is easily spread by fragments, transport on boats an
Publikováno v:
HortTechnology. 4:244-247
Germination of purple sage [Salvia dorrii (Kellogg) Abrams] seed was evaluated under 21 temperature combinations (day temperatures from 5 to 30C and night temperatures from 5 to 30C) in two experiments: 1) cool-moist stratification; and 2) sandpaper
Publikováno v:
Journal of Environmental Horticulture. 10:4-7
The greenhouse and nursery products sector is a growth industry. Economic linkages of this growth industry to other sectors of the national economy are of interest. The total economic activity generated by the greenhouse and nursery products sector i
Publikováno v:
Brittonia. 27:245
The trichomes of two problematic complexes in the genusCheilanthes were studied. In one group, the trichomes ofC. tomentosa are long, multicellular, uniseriate, and flat whereas those ofC. chipinquensis are similar but somewhat cylindrical. In the ot
Autor:
EISWERTH, MARK E., JOHNSON, WAYNE S.
Publikováno v:
Environmental & Resource Economics; Nov2002, Vol. 23 Issue 3, p319-342, 24p
Autor:
Sheng Li1 lis@farmingdale.edu, Vogel, Richard1 vogelrm@farmingdale.edu, Viswanathan, Nanda1 nanda.viswanathan@farmingdale.edu
Publikováno v:
Proceedings of the New York State Economics Association. 2016, Vol. 9, p39-53. 15p.