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FIGURE SA-8 Interconnectedness of terrestrial, aquatic, and marine food webs. SOURCE Figure courtesy of Mary Ruckelshaus, NOAA Fisheries. FIGURE SA-8 Interconnectedness of terrestrial, aquatic, and marine food webs. SOURCE Figure courtesy of Mary Ruckelshaus, NOAA Fisheries. greater investments in collaborative efforts to monitor, model, and research these connections. Water-borne human disease The incidence and distribution of food- and waterborne diseases are shaped by numerous factors,...

Susceptible host

FIGURE 2-19 The plant disease triangle, illustrating the relationship between host, pathogen, and environment necessary for disease to occur. FIGURE 2-19 The plant disease triangle, illustrating the relationship between host, pathogen, and environment necessary for disease to occur. individuals encounter mates. For example, the Karnal bunt pathogen requires encounters between two mating types for reproduction to occur, yet its propa-gules are wind dispersed, making encounters between...

About The Workshop

Long before the germ theory of disease was described, late in the nineteenth century,1 humans have known that climatic conditions influence the appear- 'Pasteur, L. 1878. Germ theory and its applications to medicine and surgery. Read before the French Academy of Sciences, April 29, 1878. Published in Comptes rendus de l'Academie des Sciences, lxxxvi, pp. 1037-1043. Taken from Scientific papers (physiology, medicine, surgery, geology). New York P. F. Collier and Son c1910 . The Harvard classics...

Climate Change And Plant Disease Risk

Garrett, Ph.D.9 Kansas State University Plant Disease and Ecosystem Services One of the most important effects of plant disease is its impact on crop plant productivity. Oerke et al. (1994) estimated that damage by disease and insect pests resulted in a 42 percent loss in the eight most important food and cash crops. Pimentel et al. (2000) estimated that 65 percent of U.S. crop losses, 137 billion, were due to introduced pathogens. The effects of plant disease can also be considered...