Indirect effects of parasites in invasions

Functional Ecology

Volumn 26, Issue 6, 2012, Pages 1262-1274

  Dunn, Alison M ^a   Torchin, Mark E ^b   Hatcher, Melanie J ^a,c   Kotanen, Peter M ^d   Blumenthal, Dana M ^e   Byers, James E ^f   Coon, Courtney A C ^g   Frankel, Victor M ^b,h   Holt, Robert D ⁱ   Hufbauer, Ruth A ^j   Kanarek, Andrew R ^k   Schierenbeck, Kristina A ^l   Wolfe, Lorne M ^m   Perkins, Sarah E ⁿ  

^a UNIVERSITY OF LEEDS   (United Kingdom)

^b SMITHSONIAN TROPICAL RESEARCH INSTITUTE   (Panama)

^c UNIVERSITY OF BRISTOL   (United Kingdom)

^d UNIVERSITY OF TORONTO   (Canada)

^e AGRICULTURAL RESEARCH SERVICE   (United States)

^f UNIVERSITY OF GEORGIA   (United States)

^g UNIVERSITY OF SOUTH FLORIDA   (United States)

^h MCGILL UNIVERSITY   (Canada)

ⁱ UNIVERSITY OF FLORIDA   (United States)

^j Department of Ecosystem Science and Sustainability   (United States)

^k UNIVERSITY OF TENNESSEE   (United States)

^l CALIFORNIA STATE UNIVERSITY   (United States)

^m GEORGIA SOUTHERN UNIVERSITY   (United States)

ⁿ CARDIFF UNIVERSITY   (United Kingdom)

more..

Author keywords

Biological invasion; Density mediated indirect effect; Indirect effect; Parasitic infection; Trait mediated indirect effect

Indexed keywords

BIOLOGICAL INVASION; COMMUNITY ECOLOGY; CONSUMER-RESOURCE INTERACTION; ECOLOGICAL IMPACT; FACILITATION; FECUNDITY; HOST PLANT; HOST-PARASITE INTERACTION; INVASIVE SPECIES; INVASIVENESS; LIFE HISTORY; NATIVE SPECIES; PARASITE; PARASITE INFESTATION; PHENOTYPE; SURVIVAL; TROPHIC LEVEL;

ANIMALIA;

EID: 84869773880     PISSN: 02698463     EISSN: 13652435     Source Type: Journal    
DOI: 10.1111/j.1365-2435.2012.02041.x     Document Type: Article

References (114)

1. Abrams, P.A. (1995) Implications of dynamically variable traits for identifying, classifying, and measuring direct and indirect effects in ecological communities. The American Naturalist, 146, 112-134.
2. Alexander, H.M. & Holt, R.D. (1998) The interaction between plant competition and disease. Perspectives in Plant Ecology, Evolution and Systematics, 1, 206-220.
3. Band, H.T., Bachli, G. & Band, R.N. (2005) Behavioral constancy for interspecies dependency enables Nearctic Chymomyza amoena (Loew) (Diptera: Drosophilidae) to spread in orchards and forests in Central and Southern Europe. Biological Invasions, 7, 509-530.
4. Bassetti, S., Bischoff, W.E. & Sheretz, R.J. (2005) Are SARS superspreaders cloud adults? Emerging Infectious Diseases, 11, 637-638.
5. Beckstead, J., Meyer, S.E., Connolly, B.M., Huck, M.B. & Street, L.E. (2010) Cheatgrass facilitates spillover of a seed bank pathogen onto native grass species. Journal of Ecology, 98, 168-177.
6. Blossey, B. & Notzold, R. (1995) Evolution of increased competitive ability in invasive nonindigenous plants - a hypothesis. Journal of Ecology, 83, 887-889.
7. Blumenthal, D., Mitchell, C.E., Pysek, P. & Jarosik, V. (2009) Synergy between pathogen release and resource availability in plant invasion. Proceedings of the National Academy of Sciences of the United States of America, 106, 7899-7904.
8. Borer, E.T., Hosseini, P.R., Seabloom, E.W. & Dobson, A.P. (2007) Pathogen-induced reversal of native dominance in a grassland community. Proceedings of the National Academy of Sciences of the USA, 104, 5473-5478.
9. Bowers, R.G. & Turner, J. (1997) Community structure and the interplay between interspecific infection and competition. Journal of Theoretical Biology, 187, 95-109.
10. Burden, J.P., Nixon, C.P., Hodgkinson, A.E., Possee, R.D., Sait, S.M., King, L.A. & Hails, R.S. (2003) Covert infections as a mechanism for long-term persistence of baculoviruses. Ecology Letters, 6, 524-531.
11. Byers, J.E. (2000) Competition between two estuarine snails: implications for invasions of exotic species. Ecology, 81, 1225-1239.
12. Byers, J.E. & Goldwasser, L. (2001) Exposing the mechanism and timing of impact of nonindigenous species on native species. Ecology, 82, 1330-1343.
13. Caesar, A.J. (2003) Synergistic interaction of soil borne plant pathogens and root-attacking insects in classical biological control of an exotic rangeland weed. Biological Control, 28, 144-153.
14. Callaway, R.M. & Ridenour, W.M. (2004) Novel weapons: invasive success and the evolution of increased competitive ability. Frontiers in Ecology and the Environment, 2, 436-443.
15. Calvo-Ugarteburu, G. & McQuaid, C.D. (1998) Parasitism and invasive species: effects of digenic trematodes on mussels. Marine Ecology Progress Series, 159, 149-163.
16. Daszak, P., Cunningham, A.A. & Hyatt, A.D. (2000) Wildlife ecology - Emerging infectious diseases of wildlife - Threats to biodiversity and human health. Science, 287, 443-449.
17. Dick, J.T.A., Armstrong, M., Clarke, H.C., Farnsworth, K.D., Hatcher, M.J., Ennis, M., Kelly, A. & Dunn, A.M. (2010) Parasitism may enhance rather than reduce the predatory impact of an invader. Biology Letters, 6, 636-638.
18. Dobson, A. & Crawley, M. (1994) Pathogens and the structure of plant communities. Trends in Ecology and Evolution, 9, 393-398.
19. Drake, J.M. (2003) The paradox of the parasites: implications for biological invasion. Proceedings of the Royal Society of London Series B-Biological Sciences, 270, S133-S135.
20. Dunn, R.R. (2005) Modern insect extinctions, the neglected majority. Conservation Biology, 19, 1030-1036.
21. Dunn, A.M. (2009) Parasites and biological invasions. Advances in Parasitology, 68, 161-184.
22. Dwyer, G., Dushoff, J. & Yee, S.H. (2004) The combined effects of pathogens and predators on insect outbreaks. Nature, 430, 341-345.
23. Ezenwa, V.O., Etienne, R.S., Luikhart, G., Beja-Pereira, A. & Jolles, A.E. (2010) Hidden consequences of living in a wormy world: nematode-induced immune suppression facilitates tuberculosis invasion in African buffalo. The American Naturalist, 176, 613-624.
24. Fenton, A. & Perkins, S.E. (2010) Applying predator-prey theory to modelling immune- mediated, within-host interspecific parasite interactions. Parasitology, 137, 1027-1038.
25. Ferrer, M. & Negro, J.J. (2004) The near extinction of two large European predators: super specialists pay a price. Conservation Biology, 18, 344-349.
26. Fisher, J. (2010) Parasite-like associations in rocky intertidal assemblages: implications for escalated gastropod defenses. Marine Ecology Progress Series, 399, 199-209.
27. Georgiev, B.B., Sa'nchez, M.I., Vasileva, G.P., Nikolov, P.N. & Green, A.J. (2007) Cestode parasitism in invasive and native brine shrimps (Artemia spp.): can it explain the rapid invasion of A. franciscana in the Mediterranean region? Parasitology Reseach, 101, 1647-1655.
28. Gozlan, R.E., St-Hilaire, S., Feist, S.W., Martin, P. & Kents, M.L. (2005) Disease threat to European fish. Nature, 435, 1046-1046.
29. Graham, A.L. (2008) Ecological rules governing helminth-microparasite co-infection. Proceedings of the National Academy of Sciences of the USA, 105, 566-570.
30. Greenman, J.V. & Hudson, P.J. (1999) Host exclusion and coexistence in apparent and direct competition: an application of bifurcation theory. Theoretical Population Biology, 56, 48-64.
31. Haddaway, N.R., Wilcox, R.H., Heptonstall, R.E.A., Griffiths, M.G., Mortimer, R.J.G., Christmas, M. & Dunn, A.M. (2012) Predatory functional responses and prey choice identify differences between native/invasive and parasitized/unparasitised crayfish. PLoS ONE 7, doi: 10.1371/journal.pone0032229.
32. Hall, R.J. (2011) Eating the competition speeds up invasions. Biology Letters, 7, 307-311.
33. Han, X.M., Dendy, S.P., Garrett, K.A., Fang, L. & Smith, M.D. (2008) Comparison of damage to native and exotic tallgrass prairie plants by natural enemies. Plant Ecology, 198, 197-210.
34. Harper, J.L. (1977) Population Biology of Plants. Academic Press, London.
35. Hatcher, P.E. (1995) Three-way interactions between plant pathogenic fungi, herbivorous insects and their hosts. Biological Reviews, 70, 639-694.
36. Hatcher, M.J., Dick, J.T.A. & Dunn, A.M. (2006) How parasites affect interactions between competitors and predators. Ecology Letters, 9, 1253-1271.
37. Hatcher, M.J., Dick, J.T.A. & Dunn, A.M. (2008) A keystone effect for parasites in intraguild predation. Biology Letters, 4, 534-537.
38. Hatcher, M.J. & Dunn, A.M. (2011) Parasites in Ecological Communities. From Interactions to Ecosystems. Cambridge University Press, Cambridge.
39. Hatcher, M.J., Dick, J.T.A. & Dunn, A.M. (2012a) Diverse effects of parasites in ecosystems: linking interdependent processes. Frontiers in Ecology and the Environment, 10, 186-194.
40. Hatcher, M.J., Dick, J.T.A. & Dunn, A.M. (2012b) Disease emergence and invasions. Functional Ecology, 26, 1275-1287.
41. Hethcote, H.W., Wang, W.D., Han, L.T. & Zhien, M. (2004) A predator-prey model with infected prey. Theoretical Population Biology, 66, 259-268.
42. Hochberg, M.E., Gomulkiewicz, R., Holt, R.D. & Thompson, J.N. (2000) Weak sinks could cradle mutualisms - strong sources should harbor pathogens. Journal of Evolutionary Biology, 13, 213-222.
43. Holdo, R.M., Sinclair, A.R.E., Dobson, A.P., Metzger, K.L., Bolker, B.M., Ritchie, M.E. & Holt, R.D. (2009) A disease-mediated trophic cascade in the serengeti and its implications for ecosystem C. PLoS Biology, 7, e1000210.
44. Holt, R.D. (1977) Predation, apparent competition, and structure of prey communities. Theoretical Population Biology, 12, 197-229.
45. Holt, R.D. & Pickering, J. (1985) Infectious-disease and species coexistence- a model of Lotka-volterra form. American Naturalist, 126, 196-211.
46. Holt, R.D. & Dobson, A.P. (2006) Extending the principles of community ecology to address the epidemiology of host-pathogen systems. Disease Ecology: Community Structure and Pathogen Dynamics (eds S.K. Collinge & C. Ray), pp. 6-27. Oxford University Press, Oxford.
47. Holyoak, M., Leibold, M.A. & Holt, R.D. (eds). (2005) Meta-Communities: Spatial Dynamics and Ecological Communities, pp. 491-492. University of Chicago Press, Chicago, IL.
48. Hudson, P.J., Dobson, A.P. & Newborn, D. (1992) Do parasites make prey vulnerable to predation- red grouse and parasites. Journal of Animal Ecology, 61, 681-692.
49. Inderjit & van der Putten, W.H. (2010) Impacts of soil microbial communities on exotic plant invasions. Trends in Ecology and Evolution, 25, 512-519.
50. Kelly, D.W., Bailey, R.J., MacNeil, C., Dick, J.T.A. & McDonald, R.A. (2006) Invasion by the amphipod Gammarus pulex alters community composition of native freshwater macroinvertebrates. Diversity and Distributions, 122, 525-534.
51. Kelly, D.W., Paterson, R.A., Townsend, C.R., Poulin, R. & Tompkins, D.M. (2009) Parasite spillback: A neglected concept in invasion ecology? Ecology, 90, 2047-2056.
52. Kenis, M., Auger-Rozenberg, M.-A., Roques, A., Timms, L., Péré, C., Cock, M.J.W., Settele, J., Augustin, S. & Lopez-Vaamonde, C. (2009) Ecological effects of invasive alien insects. Biological Invasions, 11, 21-45.
53. van Kleunen, M. & Fischer, M. (2009) Release from foliar and floral fungal pathogen species does not explain the geographic spread of naturalized North American plants in Europe. Journal of Ecology, 97, 385-392.
54. Kuris, A., Ryan F. Hechinger, R.F., Shaw, J.C., Whitney, K.L., Aguirre-Macedo, L., Boch, C.A., Dobson, A.P., Dunham, E.J., Fredensborg, B.L., Huspeni, T.C., Lorda, J., Mababa, L., Mancini, F.T., Mora, A.B., Pickering, M., Talhouk, N.L., Torchin, M.E. & Lafferty, K.D. (2008) Ecosystem energetic implications of parasite and free-living biomass in three estuaries. Nature, 454, 515-518.
55. Lafferty, K.D. (1992) Foraging on prey that are modified by parasites. The American Naturalist, 140, 854-867.
56. Lafferty, K.D. (2006) Can the common brain parasite, Toxoplasma gondii, influence human culture? Proceedings of the Royal Society of London Series B-Biological Sciences, 273, 2749-2755.
57. Lee, K.A. & Klasing, K.C. (2004) A role for immunology in invasion biology. Trends in Ecology and Evolution, 119, 523-529.
58. Lello, J., Boag, B., Fenton, A., Stevenson, I.R. & Hudson, P.J. (2004) Competition and Mutualism among the gut helminths of a mammalian host. Nature, 428, 840-844.
59. Levine, J.M., Adler, P.B. & Yelenik, S.G. (2004) A meta-analysis of biotic resistance to exotic plant invasions. Ecology Letters, 7, 975-989.
60. Lips, K.R., Diffendorfer, J., Mendelson, J.R. & Sears, M.W. (2008) Riding the wave: Reconciling the roles of disease and climate change in amphibian declines. PLoS Biology, 6, 441-454.
61. MacNeil, C., Dick, J.T.A., Hatcher, M.J., Terry, R.S., Smith, J.E. & Dunn, A.M. (2003a) Parasite-mediated predation between native and invasive amphipods. Proceedings of the Royal Society of London B, 270, 1309-1314.
62. MacNeil, C., Fielding, N.J., Dick, J.T.A., Briffa, M., Prenter, J., Hatcher, M.J. & Dunn, A.M. (2003b) An acanthocephalan parasite mediated predation between invasive and native freshwater amphipods. Freshwater Biology, 48, 2085-2093.
63. Malmstrom, C.M., Hughes, C.C., Newton, L.A. & Stoner, C.J. (2005) Virus infection in remnant native bunchgrasses from invaded California grasslands. New Phytologist, 168, 217-230.
64. Mangla, S., Inderjit & Callaway, R.M. (2008) Exotic invasive plant accumulates native soil pathogens which inhibit native plants. Journal of Ecology, 96, 58-67.
65. Marler, M.J., Zabinski, C.A. & Callaway, R.M. (1999) Mycorrhizae indirectly enhance competitive effects of an invasive forb on a native bunchgrass. Ecology, 80, 1180-1186.
66. Marshall, A.J., Brunet, L.R., van Gessel, Y., Alcaraz, A., Bliss, S.K., Pearce, E.J. & Denkers, E.Y. (1999) Toxoplasma gondii and Schistosoma mansoni synergize to promote hepatocyte dysfunction associated with high levels of plasma TNF-alpha and early death in C57BL/6 mice. Journal of Immunology, 163, 2089-2097.
67. May, R.M. & Nowak, M.A. (1995) Coinfection and the evolution of parasite virulence. Proceedings of the Royal Society B: Biological Sciences, 22, 209-215.
68. Mehdiabadi, N.J., Kawazoe, E.A. & Gilbert, L.E. (2004) Phorid fly parasitoids of invasive fire ants indirectly improve the competitive ability of a native ant. Ecological Entomology, 29, 621-627.
69. Mitchell, C.E. & Power, A.G. (2003) Release of invasive plants from fungal and viral pathogens. Nature, 421, 625-627.
70. Miura, O., Kuris, A.M., Torchin, M.E., Hechinger, R.F. & Chiba, S. (2006) Parasites alter host phenotype and create a new ecological niche for snail hosts. Proceedings of the Royal Society of London B, 273, 1323-1328.
71. Moore, J. (2002) Parasites and the Behavior of Animals. Oxford University Press, Oxford.
72. Morrison, L.W. (1999) Indirect effects of phorid fly parasitoids on the mechanisms of interspecific competition among ants. Oecologia, 121, 113-122.
73. Ode, P.J., May, R., Berenbaum, M.R., Zangerl, A.R. & Hardy, I.C.W. (2004) Host plant, host plant chemistry and the polyembryonic parasitoid Copidosoma sosares: indirect effects in a tritrophic interaction. Oikos, 104, 388-400.
74. Ohgushi, T., Schmitz, O. & Holt, R.D. (Eds) (in press) Interaction Richness and Complexity: Ecological and Evolutionary Aspects of Trait-Mediated Indirect Interactions. Cambridge University Press, Cambridge.
75. Packer, C., Holt, R.D., Hudson, P.J., Lafferty, K.D. & Dobson, A.P. (2003) Keeping the herds healthy and alert: implications of predator control for infectious disease. Ecology Letters, 6, 797-802.
76. White, T.A. & Perkins, S.E. (2012) The eco-immunology of invasion. Functional Ecology, 26, 1313-1323.
77. Perkins, S.E., Lass, S., Thakar, J., Albert, R., Saric, J., Harvill, E. & Hudson, P.J. (in press) Shining light on coinfection: altered infection dynamics, establishment and growth upon parasite crosstalk. Royal Society Interface.
78. Polis, G.A., Myers, C.A. & Holt, R.D. (1989) The ecology and evolution of intraguild predation. Annual Review of Ecology and Systematics, 20, 297-330.
79. Poulin, R., Paterson, R.A., Townsend, C.R., Tompkins, D.M. & Kelly, D.W. (2011) Biological invasions and the dynamics of endemic diseases in freshwater ecosystems. Freshwater Biology, 56, 676-688.
80. Power, A.G. & Mitchell, C.E. (2004) Pathogen spillover in disease epidemics. American Naturalist, 164, S79-S89.
81. Price, P.W., Westoby, M., Rice, B., Atsatt, P.R., Fritz, R.S., Thompson, J.N. & Mobley, K. (1986) Parasite mediation in ecological interactions. Annual Review of Ecology and Systematics, 17, 487-505.
82. Pringle, A., Bever, J.D., Gardes, M., Parrent, J.L., Rillig, M.C. & Klironomos, J.N. (2009) Mycorrhizal symbioses and plant invasions. Annual Review of Ecology, Evolution, and Systematics, 40, 699-715.
83. Raffel, T.R., Martin, L.B. & Rohr, J.R. (2008) Parasites as predators: unifying natural enemy ecology. Trends in Ecology and Evolution, 23, 610-618.
84. Rasmann, S. & Turlings, T.C.J. (2007) Simultaneous feeding by above ground and belowground herbivores attenuates plant-mediated attraction of their respective natural enemies. Oikos, 10, 926-936.
85. Ricklefs, R.E. (2010) Host-pathogen coevolution, secondary sympatry, and species diversification. Philosophical Transactions of the Royal Society B, 365, 1139-1147.
86. de Roode, J.C., Pansini, R., Cheesman, S.J., Helinski, M.E.H., Huijben, S., Wargo, A.R., Bell, A.S., Chan, B.H.K., Walliker, D. & Read, A.F. (2005) Virulence and competitive ability in genetically diverse malaria infections. Proceedings of the National Academy of Sciences USA, 102, 7624-7628.
87. Roy, M. & Holt, R.D. (2008) Effects of predation on host-pathogen dynamics in SIR models. Theoretical Population Biology, 73, 319-331.
88. Roy, H.E. & Lawson Handley, L.J. (2012) Networking: a community approach to invaders and their parasites. Functional Ecology, 26, 1238-1248.
89. Rudgers, J.A., Holah, J., Orr, S.P. & Clay, K. (2007) Forest succession suppressed by an introduced plant-fungal symbiosis. Ecology, 88, 18-25.
90. Runyon, J.B., Mescher, M.C. & de Moraes, C.M. (2008) Parasitism by Cuscuta pentagona attenuates host plant defences against insect herbivores. Plant Physiology, 146, 987-995.
91. Schardl, C.L., Leuchtmann, A. & Spienng, M.J. (2004) Symbioses of grasses with seedborne fungal endophytes. Annual Review of Plant Biology, 55, 315-340.
92. Sears, B.F., Rohr, J.R., Allen, J.E. & Martin, L.B. (2011) The economy of inflammation: when is less more? Trends in Parasitology, 27, 382-387.
93. Settle, W.H. & Wilson, L.T. (1990) Invasion by the variegated leafhopper and biotic interactions: parasitism, competition and apparent competition. Ecology, 71, 1461-1470.
94. Smith, V. (2007) Host resource supplies influence the dynamics and outcome of infectious disease. Integrative and Comparative Biology, 47, 310-316.
95. Stinson, K.A., Campbell, S.A., Powell, J.R., Wolfe, B.E., Callaway, R.M., Thelen, G.C., Hallett, S.G., Prati, D. & Kilronomos, J.N. (2006) Invasive plant suppresses the growth of native tree seedlings by disrupting belowground mutualisms. PLoS Biology, 5, e140.
96. Stout, M.J., Thaler, J.S. & Thomma, B.P.H.J. (2006) Plant-mediated interactions between pathogenic microorganisms and herbivorous arthropods. Annual Review of Entomology, 51, 663-689.
97. Strauss, A., White, A. & Boots, M. (2012) Invading with biological weapons: the importance of disease mediated invasions. Functional Ecology, 26, 1249-1261.
98. Swope, S.M. & Parker, I.M. (2010) Trait-mediated interactions and lifetime fitness of the invasive plant Centaurea solstitialis. Ecology, 91, 2284-2293.
99. Tain, L., Perrot-Minnot, M.-J. & Cezilly, F. (2007) Differential influence of Pomphorhynchus laevis (Acanthocepahala) on brain serotonergic activity in two congeneric host species. Biology Letters, 3, 68-71.
100. Thaler, J.S., Agrawal, A.A. & Halitschke, R. (2010) Salicylate-mediated interactions between pathogens and herbivores. Ecology, 91, 1075-1082.
101. Thomas, F., Renaud, F. & Guégan, J.-F. (2005) Parasitism and Ecosystems. Oxford University Press, Oxford.
102. Tompkins, D.M., Greenman, J.V., Robertson, P.A. & Hudson, P.J. (2000) The role of shared parasites in the exclusion of wildlife hosts: Heterakis gallinarum in the ring-necked pheasant and the grey partridge. Journal of Animal Ecology, 69, 829-840.
103. Tompkins, D.M., White, A.R. & Boots, M. (2003) Ecological replacement of native red squirrels by invasive greys driven by disease. Ecology Letters, 6, 1-8.
104. Tompkins, D., Dunn, A.M., Smith, M.J. & Telfer, S. (2011) Wildlife diseases: from individuals to ecosystems. Journal of Animal Ecology, 80, 19-38.
105. Torchin, M.E., Lafferty, K.D. & Kuris, A.M. (2002) Parasites and marine invasions. Parasitology, 124, S137-S151.
106. Torchin, M.E., Lafferty, K.D., Dobson, A.P., McKenzie, V.J. & Kuris, A.M. (2003) Introduced species and their missing parasites. Nature, 421, 628-630.
107. Torchin, M.E. & Mitchell, C.E. (2004) Parasites, pathogens, and invasions by plants and animals. Frontiers in Ecology and the Environment, 2, 183-190.
108. Torchin, M.E., Byers, J.E. & Huspeni, T.C. (2005) Differential parasitism of native and introduced snails: replacement of a parasite fauna. Biological Invasions, 7, 885-894.
109. Werner, E.E. & Peacor, S.D. (2003) A review of trait-mediated indirect interactions. Ecology, 84, 1083-1100.
110. White, T.A. & Perkins, S.E. (2012) The ecoimmunology of invasive species. Functional Ecology, 26, in press.
111. White, E.M., Wilson, J.C. & Clarke, A.R. (2006) Biotic indirect effects: a neglected concept in invasion biology. Diversity and Distributions, 12, 443-455.
112. Wilmers, C.C., Post, E., Peterson, R.O. & Vucetich, J.A. (2006) Predator disease out-break modulates top-down, bottom-up and climatic effects on herbivore population dynamics. Ecology Letters, 9, 383-389.
113. Wood, C.L., Byers, J.E., Cottingham, K.L., Altman, T., Donahue, M.J. & Blakeslee, A.M.H. (2007) Parasites alter community structure. Proceedings of the National Academy of Sciences of the USA, 104, 9335-9339.
114. Yan, G.Y. (1996) Parasite-mediated competition: A model of directly transmitted macroparasites. American Naturalist, 148, 1089-1112.