Freshwater mussel records collected by the Maryland Department of ...

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Figure 3. continued A P A P A P 0 2 4 6 8 10 % Urban 0 20 40 60 80 100 % Agriculture 0 20 40 60 80 100 % Forest p = 0.12 p = 0.03 p = 0.06 p = 0.06 14 A P A P A P 0 1 2 3 4 5 % Impervious Surface p < 0.001 0 5000 10000 15000 20000 Catchment Acreage p = 0.02 0.0 0.2 0.4 0.6 0.8 1.0 Gradient (% slope)
Since 2007, A. undulata Say 1817 have been collected at just a few locations spread across Maryland (Figure 4). In 2009, we collected A. undulata at three sites (Table 1). Four live individuals were found at a site in the Patapsco River downstream of Daniels dam and a single individual downstream of Dam No. 5 in the Potomac River. It was not possible to examine environmental conditions coincident with A. undulata because of the paucity of collection records. Figure 4. Locations where A. undulata (triangle floater) was collected. 15
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Page 6 and 7: List of Figures Figure Number Page
Page 8 and 9: List of Tables Table Number Page 1.
Page 11 and 12: INTRODUCTION The diversity of fresh
Page 13 and 14: species richness, host abundance, a
Page 15 and 16: Table 1. Number of sites sampled by
Page 17 and 18: Table 2. Frequency of occurrence fo
Page 19 and 20: Figure 3. continued A P A P A P p =
Page 21: Figure 3. continued A P A P A P 0 5
Page 25 and 26: Anodonta implicata Say 1829 was enc
Page 27 and 28: Table 3. Frequency of occurrence fo
Page 29 and 30: Figure 8. continued A P A P A P p =
Page 31 and 32: Figure 8. continued A P A P A P 0 5
Page 33 and 34: In 2009, E. fisheriana was collecte
Page 35 and 36: Figure 10. Box-and-whisker plots of
Page 37 and 38: Figure 10. continued. A P A P A P 0
Page 39 and 40: Figure 10. continued A P A P A P 0
Page 41 and 42: Elliptio producta Conrad 1836 has p
Page 43 and 44: Lampsilis radiata radiata Gmelin 17
Page 45 and 46: Leptodea ochracea Say 1817 has been
Page 47 and 48: Pyganodon cataracta had previously
Page 49 and 50: Figure 19. Box-and-whisker plots of
Page 55 and 56: Corbicula fluminea is a non-native
Page 57 and 58: (Black 2001, Wang 2007b). A lack of
Page 59 and 60: Maryland (Cummings and Watters 2009
Page 61 and 62: REFERENCES Allan, J.D., & A.S. Flec
Page 63 and 64: Kelly, M.W., & J.M. Rhymer. 2005. P
Page 65 and 66: ——. 1999a. Effects of alien spe
Page 67 and 68: Young, D. 1911. The implantation of
Page 70 and 71: 8-digit watershed Number 8-digit wa

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