Effects of conspecific and heterospecific floral density on the pollination of two related rewarding orchids

Plant Ecology

Volumn 212, Issue 8, 2011, Pages 1397-1406

  Duffy, Karl J ^a,b   Stout, Jane C ^a  

^a TRINITY COLLEGE DUBLIN   (Ireland)

^b UNIVERSITY OF KWAZULU NATAL   (South Africa)

Author keywords

Bombus; Competition; Facilitation; Pollen export; Spiranthes

Indexed keywords

BEE; CONSPECIFIC; ENDANGERED SPECIES; FACILITATION; FLOWER VISITING; FLOWERING; HERB; MONOCOTYLEDON; PLANT-POLLINATOR INTERACTION; POLLEN; POLLINATION; POPULATION DENSITY; RARE SPECIES; REPRODUCTIVE SUCCESS;

IRELAND;

HEXAPODA; MAGNOLIOPHYTA; ORCHIDACEAE; SPIRANTHES; SPIRANTHES ROMANZOFFIANA; SPIRANTHES SPIRALIS;

EID: 79960299109     PISSN: 13850237     EISSN: None     Source Type: Journal    
DOI: 10.1007/s11258-011-9915-1     Document Type: Article

References (57)

1. Andersson S (1988) Size-dependent pollination efficiency in Anchusa officinalis (Boraginaceae)-causes and consequences. Oecologia 76: 125-130.
2. Bates D, Maechler M, Dai B (2009) Lme4: linear mixed-effects models using S4 classes. Version 0. 999375-32.
3. Bell JM, Karron JD, Mitchell RJ (2005) Interspecific competition for pollination lowers seed production and outcrossing in Mimulus ringens. Ecology 86: 762-771.
4. Brys R, Jacquemyn H, Hermy M (2008) Pollination efficiency and reproductive patterns in relation to local plant density, population size, and floral display in the rewarding Listera ovata (Orchidaceae). Bot J Linn Soc 157: 713-721.
5. Campbell DR, Motten AF (1985) The mechanism of competition for pollination between two forest herbs. Ecology 66: 554-563.
6. Catling PM (1983) Pollination of northeastern North American Spiranthes (Orchidaceae). Can J Bot 61: 1080-1093.
7. Darwin CR (1862) On the various contrivances by which British and foreign orchids are fertilised by insects, and on the good effects of intercrossing. John Murray, London.
8. Dramstad W, Fry G (1995) Foraging activity of bumblebees (Bombus) in relation to flower resources on arable land. Agric Ecosyst Environ 53: 123-135.
9. Dressler RL (1981) The orchids: natural history and classification. Harvard University Press, London, UK.
10. Dudash MR, Fenster CB (1997) Multiyear study of pollen limitation and cost of reproduction in the iteroparous Silene virginica. Ecology 78: 484-493.
11. Duffy KJ, Stout JC (2008) The effects of plant density and nectar reward on bee visitation to the endangered orchid Spiranthes romanzoffiana. Acta Oecol 34: 131-138.
12. Edwards M, Jenner M (2005) Field guide to the bumblebees of Great Britain and Ireland. Ocelli Ltd, UK.
13. Forrest AD, Hollingsworth ML, Hollingsworth PM, Sydes C, Bateman RM (2004) Population genetic structure in European populations of Spiranthes romanzoffiana set in the context of other genetic studies on orchids. Heredity 92: 218-227.
14. Ghazoul J (2006) Floral diversity and the facilitation of pollination. J Ecol 94: 295-304.
15. Harder LD (1990) Behavioral responses by bumble bees to variation in pollen availability. Oecologia 85: 41-47.
16. Harder LD, Barrett SCH (2006) Ecology and evolution of flowers. Oxford University Press, Oxford.
17. Harder LD, Johnson SD (2008) Function and evolution of aggregated pollen in angiosperms. Int J Plant Sci 169: 59-78.
18. Harder LD, Routley MB (2006) Pollen and ovule fates and reproductive performance by flowering plants. In: Harder LD, Barrett SCH (eds) Ecology and evolution of flowers. Oxford University Press, Oxford, pp 61-80.
19. Harder LD, Thomson JD (1989) Evolutionary options for maximizing pollen dispersal of animal-pollinated plants. Am Nat 133: 323-344.
20. Heinrich B (1979) Bumblebee Economics. Harvard University Press, Cambridge, Massachusetts.
21. Internicola AI, Juillet N, Smithson A, Gigord LDB (2006) Experimental investigation of the effect of spatial aggregation in reproductive success in a rewardless orchid. Oecologia 150: 435-441.
22. Irish Flora Protection Order (1999) Section 21 of the Wildlife Act of 1976 (Amended 2000).
23. Jacquemyn H, Hutchings MJ (2010) Biological flora of the British Isles: Spiranthes spiralis (L.) Chevall. J Ecol 98: 1253-1267.
24. Jacquemyn H, Brys R, Hermy M, Willems JH (2007) Long-term dynamics and population viability in one of the last populations of the endangered Spiranthes spiralis (Orchidaceae) in the Netherlands. Biol Cons 134: 14-21.
25. Jersáková J, Johnson SD, Kindlmann P, Pupin AC (2008) Effect of nectar supplementation on male and female components of pollination success in the deceptive orchid Dactylorhiza sambucina. Acta Oecol 33: 300-306.
26. Johnson SD, Bond WJ (1997) Evidence for widespread pollen limitation of fruiting success in Cape wildflowers. Oecologia 109: 530-534.
27. Johnson SD, Edwards TJ (2000) The structure and function of orchid pollinaria. Plant Sys Evol 222: 243-269.
28. Johnson SD, Peter CI, Nilsson LA, Ågren J (2003) Pollination success in a deceptive orchid is enhanced by co-occurring rewarding magnet plants. Ecology 84: 2919-2927.
29. Johnson SD, Neal PR, Harder LD (2005) Pollen fates and the limits on male reproductive success in an orchid population. Biol J Linn Soc 86: 175-190.
30. Johnson SD, Torninger E, Ågren J (2009) Relationships between population size and pollen fates in a moth-pollinated orchid. Biol Lett 5: 282-285.
31. Juillet N, Gonzalez MA, Page PA, Gigord LDB (2007) Pollination of the European food-deceptive Traunsteinera globosa (Orchidaceae): the importance of nectar-producing neighbouring plants. Plant Sys Evol 265: 123-129.
32. Karron JD, Thumser NN, Tucker R, Hessenauer AJ (1995) The influence of population density on outcrossing rates in Mimulus ringens. Heredity 75: 175-180.
33. Kearns CA, Inouye DW, Waser NM (1998) Endangered mutualisms: the conservation of plant-pollinator interactions. Ann Rev Ecol Sys 29: 83-112.
34. Knight TM (2003) Floral density, pollen limitation, and reproductive success in Trillium grandiflorum. Oecologia 137: 557-563.
35. Larson K, Larson KJ (1987) Observations on the pollination biology of Spiranthes romanzoffiana. Lindleyana 2: 176-179.
36. Lázaro A, Totland Ø (2010) Population dependence in the interactions with neighbors for pollination: a field experiment with Taraxacum officinale. Am J Bot 97: 760-769.
37. Lupton DA (2008) The biogeography and conservation biology of Spiranthes romanzoffiana (Cham.). PhD Thesis. University of Dublin, Trinity College.
38. Machon N, Bardin P, Mazer SJ, Moret J, Godelle B, Austerlitz F (2003) Relationship between genetic structure and seed and pollen dispersal in the endangered orchid Spiranthes spiralis. New Phytol 157: 677-687.
39. Mitchell RJ, Karron JD, Holmquist KG, Bell JM (2004) The influence of Mimulus ringens floral display size on pollinator visitation patterns. Func Ecol 18: 116-124.
40. Moeller DA (2004) Facilitative interactions among plants via shared pollinators. Ecology 85: 3289-3301.
41. Neiland MRM, Wilcock CC (1998) Fruit set, nectar reward, and rarity in the Orchidaceae. Am J Bot 85: 1657-1671.
42. Neiland MRM, Wilcock CC (1999) The presence of heterospecific pollen on stigmas of nectariferous and nectarless orchids and its consequences for their reproductive success. Protoplasma 208: 65-75.
43. Peakall R (1989) A new technique for monitoring pollen flow in orchids. Oecologia 79: 361-365.
44. R Development Core Team (2009) R: a language and environment for statistical computing. R Foundation for Statistical Computing, Vienna, Austria.
45. Ratchke B (1983) Competition and facilitation among plants for pollination. In: Real LA (ed) Pollination biology. Academic Press, Inc., Orlando, FL, pp 305-329.
46. Sahli HF, Conner JK (2007) Visitation, effectiveness, and efficiency of 15 genera of visitors to wild radish, Raphanus raphanismum (Brassicaceae). Am J Bot 94: 203-209.
47. Sih A, Baltus MS (1987) Patch size, pollinator behavior, and pollinator limitation in Catnip (Nepeta cataria). Ecology 68: 1679-1691.
48. Smithson A (2002) The consequences of rewardlessness in orchids: reward-supplementation experiments with Anacamptis morio (Orchidaceae). Am J Bot 89: 1579-1587.
49. Stout JC, Allen JA, Goulson D (1998) The influence of relative plant density and floral morphological complexity on the behaviour of bumblebees. Oecologia 117: 543-550.
50. Summerhayes VC (1968) Wild orchids of Britain. Collins, London, UK.
51. Thomson JD (1982) Patterns of visitation by animal pollinators. Oikos 39: 241-250.
52. Tremblay RL, Ackerman JD, Zimmerman JK, Calvo RN (2005) Variation in sexual reproduction in orchids and its evolutionary consequences: a spasmodic journey to diversification. Biol J Linn Soc 84: 1-54.
53. Tutin TG et al (1980) Flora Europaea V. Cambridge University Press, Cambridge, UK.
54. Waser NM (1978) Interspecific pollen transfer and competition between co-occurring plant species. Oecologia 36: 223-236.
55. Wilcock CC, Neiland MRM (2002) Pollination failure in plants: why it happens and when it matters. Trends Plant Sci 7: 270-277.
56. Willems JH, Lahtinen ML (1997) Impact of pollination and resource limitation on seed production in a border population of Spiranthes spiralis (Orchidaceae). Acta Bot Neerl 46: 365-375.
57. Zuur AF, Ieno EN, Walker NJ, Saveliev AA, Smith GM (2009) Mixed effects models and extensions in ecology with R. Springer, New York.