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Filtering by: Creator McLeod, Donald M Degree Name Doctor of Philosophy (Ph.D.)

Valuing nonmarket goods and services : a test for bias in the iterated referendum-contingent valuation format

Creator:

McLeod, Donald M.

Abstract:

Contingent valuation has been used to elicit values for changes in the quantity and quality of nonmarket amenities. Yet hypothetically trading dollars for environmental improvements is not a familiar activity for most survey respondents. A variety of response effects associated with survey collected data can potentially lead to biased contingent...

Resource Type:

Dissertation

Full Text:

AN ABSTRACT OF THE THESIS OF Donald M. McLeod for the degree of
Ecology and biological control of an apomictic invasive plant, Chondrilla juncea (Asteraceae)

Creator:

Campanella, Donald M.

Abstract:

A study consisting of three parts was undertaken to investigate how variation in species interactions, population genetic structure, epidemiological parameters, and plant breeding system may influence the ecology and biological control of an apomictic invasive plant, Chondrilla juncea (Asteraceae). Interactions between natural enemy species may modify their net effect on...

Resource Type:

Dissertation

Full Text:

ABSTRACT OF THE DISSERTATION OF Donald M. Campanella for the degree of Doctor of Philosophy in