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

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Figure 8. continued A P A P A P 0 20 40 60 80 100 % Urban 0 20 40 60 80 100 % Agriculture 0 20 40 60 80 100 % Forest p < 0.001 p < 0.001 p = 0.0002 24 A P A P A P p = 0.007 0 5 10 20 25 30 % Impervious Surface p < 0.001 0 20000 40000 60000 80000 100000 Catchment Acreage p < 0.001 0 1 2 3 4 5 Gradient (% slope)
In 2009, E. fisheriana was collected at three sites (Table 1). Since 1995, they have been encountered 44 times at 43 sites from 11, 8-digit watersheds of Maryland (Figure 9). Two fish species confirmed as glochidial hosts were common at sites where E. fisheriana was present (Table 4). Several congeneric fishes of known hosts were also frequently collected including E. olmstedi, which co-occurred at nearly every site E. fisheriana was encountered. Most of the confirmed fish hosts of congeneric mussels were infrequent, except A. rostrata. Elliptio fisheriana were present (N = 38) at sites with higher pH, dissolved oxygen, specific conductance, and ANC than sites where they were absent (N = 63) (Figure 10). A majority of sites they occupied had total nitrogen and nitrate concentrations
Page 1 and 2: Freshwater mussel records collected
Page 3: Freshwater mussel records collected
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 and 22: Figure 3. continued A P A P A P 0 5
Page 23 and 24: Since 2007, A. undulata Say 1817 ha
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: Figure 8. continued A P A P A P 0 5
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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