Biodiversity & Conservation

, Volume 15, Issue 5, pp 1661–1679 | Cite as

A Quantitative Approach to the Study of Non-indigenous Plants: An Example from the Azores Archipelago

Article

Abstract

A random survey of non-indigenous plants was performed on the nine islands of the Azores Archipelago, including 529 one square km plots, corresponding to about 20% of the land surface. The number of sampling plots varied from 12 for Corvo Island to 136 for São Miguel, while the number of sampled taxa per island varied between 152 and 365. The percentage of non-indigenous taxa was lowest for Corvo, Flores, and São Jorge (below 60%), and highest for Graciosa (above 70%), with intermediate values for the remaining islands (63–68%). The majority of the sampled taxa were Dicotyledoneae (above 60%) and Monocotyledoneae (20%) with lower percentages of Pteridophyta and Gymnospermae. Therophytes, hemicryptophytes and camaephytes were the most common life forms. The 30 most important non-indigenous plants in the Archipelago and per island showed some differences among islands. Their habitats ranged from anthropic to native vegetation. The proportion of non-indigenous taxa was positively correlated with several descriptors associated with human activities, but negatively correlated with altitude and slope.

Keywords

Azores Archipelago Biological invasions Islands Non-indigenous plants Plant invaders Random survey 

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References

  1. Anderson, R., Gardner, D. 1996Preliminary evaluation of Pseudomonas solanacearum as a potential biological control agent of the alien weed kahili ginger (Hedychium gardnerianum) in Hawaiian forestNewslett. Hawaiian Bot. Serv.3536Google Scholar
  2. Anderson, R., Gardner, D. 1999An evaluation of the wilt-causing bacteria Ralstonia solanacearum as a potential biological control agent of the alien weed kahili ginger (Hedychium gardnerianum) in Hawaiian forestBiol. Control158996CrossRefGoogle Scholar
  3. Barbour, M.G., Burk, J.H., Pitts, W.D. 1987Terrestrial Plant EcologyThe Benjamin/Cummings Publishing CompanyCalifornia634Google Scholar
  4. Bell, G.P. 1997

    Ecology and management of Arundo donaxapproaches to riparian habitat restoration in southern California

    Brock, J.H.Wade, M.Pysek, P.Green, D. eds. Plant Invasions: Studies from North America and EuropeBackhuys PublishersLeiden103113
    Google Scholar
  5. Bibby, C.J., Charlton, T.D. 1991Observations on the San Miguel BullfinchAçoreana7 297304Google Scholar
  6. Byrne, J. 1992Wild ginger: aggressive invader of New Zealand’s native forestsHorticult. New Zealand31014Google Scholar
  7. Cabral, A. 1953Sebes vivas ou abrigos, nos Açores – Subsídios para o seu estudoBoletim da Comissão Reguladora dos Cereais, Açores176182Google Scholar
  8. Cronk, C.B., Fuller, J.L. 1995Plant InvadersChapman & HallLondon241Google Scholar
  9. Diamantino, J.L. 1999

    Inventáriodistribuição e evidências da adaptabilidade de algumas invasoras lenhosas da Reserva Biogenética do Planalto Central da Serra da Estrela

    Rocha, M.E.Esteves, M. eds. Actas do Primeiro EncontroInvasoras Lenhosas, 16–18 de Novembro de 1999, GerêsSociedade Portuguesa de Ciências FlorestaisADERE5157
    Google Scholar
  10. Dias E. 1996. Vegetação natural dos Açores. PhD Thesis, Universidade dos Açores, Angra do Heroísmo, 302 pp.Google Scholar
  11. DiTomaso, J.M. 1998Impactbiology, and ecology of saltcedarTamarix spp. in the southwestern United StatesWeed Technol.12326336Google Scholar
  12. Espírito-Santo, M.D., Arsénio, P. 1999

    O género Hakea Schrad. em Portugal

    Rocha, M.E.Esteves, M. eds. Actas do Primeiro EncontroInvasoras Lenhosas, 16–18 de Novembro de 1999, GerêsSociedade Portuguesa de Ciências FlorestaisADERE5865
    Google Scholar
  13. Fernandes, A., Fernandes, R.B. 1980Iconographia selecta Flora Azoricae Fasc. ISecretaria Regional da CulturaRegião Autónoma dos Açores131Google Scholar
  14. Fernandes, A., Fernandes, R.B. 1983Iconographia selecta Flora Azoricae. Fasc. IISecretaria Regional da CulturaRegião Autónoma dos Açores132285Google Scholar
  15. Fernandes, A., Fernandes, R.B. 1987Iconographia selecta Flora Azoricae. Vol. II, Fasc. ISecretaria Regional da CulturaRegião Autónoma dos Açores1179Google Scholar
  16. Firbank, L.G., Ellis, N.E., Hill, M.O., Lockwood, A.J., Swetnam, R.D. 1998Mapping the distribution of weeds in Great Britain in relation to national survey data and to soil typeWeed Res.33110CrossRefGoogle Scholar
  17. Franco J.A. 1971. Nova Flora de Portugal, Vol. I. Lisboa, 648 pp.Google Scholar
  18. Franco J.A. 1984. Nova Flora de Portugal, Vol. II. Lisboa, 660 pp.Google Scholar
  19. Franco, J.A., Afonso, M.R. 1994Nova Flora de PortugalEscolar EditoraLisboa181Google Scholar
  20. Franco, JA, Afonso, M.R. 1998Nova Flora de PortugalEscolar EditoraLisboa283Google Scholar
  21. Gleadow, G.M., Ashton, D.H. 1981Invasion by Pittosporum undulatum of the Forests of Central Victoria. I Invasion patterns and plant morphologyAust. J. Bot.29705720CrossRefGoogle Scholar
  22. Goodland, T.J., Healey, R. 1996The invasion of Jamaican montane rainforests by the Australian tree Pittosporum undulatumSchool of Agricultural and Forest Sciences, University of WalesBangor54Google Scholar
  23. Grapow, L.C., Blasi, C. 1998A comparison of the urban flora of different phytoclimatic regions in ItalyGlobal Ecol. Biogeogr. Lett.7367378CrossRefGoogle Scholar
  24. Greig-Smith, P. 1983Quantitative Plant Ecology3Blackwell Scientific PublicationsOxford359Google Scholar
  25. Henderson, A. 1995Plant invaders of Southern AfricaAgricultural Research CouncilPretoria177Google Scholar
  26. Hiebert, R.D. 1997

    Prioritizing invasive plants and planning for management

    Luken, J.O.Thieret, J.W. eds. Assessment and Management of Plant InvasionsSpringerNew York195212
    Google Scholar
  27. Holm, L., Pancho, J.V., Herberger, J.P, Plucknett, D.L. 1979A Geographical Atlas of World WeedsJohn Wiley & SonsNew York391Google Scholar
  28. Kershaw, K.A., Looney, J.H.H. 1985Quantitative and Dynamic Plant Ecology3Edward ArnoldVictoria282Google Scholar
  29. Le Maitre, D.C., Richardson, D.M., Chapman, R.A. 2004Alien plant invasions in South Africa: driving forces and the human dimensionS. Afr. J. Sci.100103112Google Scholar
  30. Liberal, M., Esteves, M. 1999

    Invasão de Acacia dealbata Link no Parque Nacional da Peneda-Gerês

    Rocha, M.E.Esteves, M. eds. Actas do Primeiro EncontroInvasoras Lenhosas, 16–18 de Novembro de 1999, GerêsSociedade Portuguesa de Ciências FlorestaisADERE99103
    Google Scholar
  31. Manders, P.T., Richardson, D.M. 1992Colonization of Cape fynbos communities by forest speciesForest Ecol. Manage.48277293CrossRefGoogle Scholar
  32. Martins, P., Ferreira, S., Fernandes, M.M. 1999

    Inventário de focos de invasão de Acacia dealbata Link: contribuição para o delineamento de uma metodologia

    Rocha, M.E.Esteves, M. eds. Actas do Primeiro EncontroInvasoras Lenhosas, 16–18 de Novembro de 1999, GerêsSociedade Portuguesa de Ciências FlorestaisADERE239247
    Google Scholar
  33. Milton, S.J., Dean, W.R.J. 1998Alien plant assemblages near roads in arid and semi-arid South AfricaDivers. Distrib.4175187CrossRefGoogle Scholar
  34. Morton, B., Britton, J.C., Martins, A.M.F. 1998Ecologia costeira dos AçoresSociedade Afonso ChavesPonta Delgada249Google Scholar
  35. Nel, J.L., Richardson, D.M., Rouget, M., Mgidi, T.N., Mdzeke, N., Maitre, D.C., Wilgen, B.W., Schonegevel, L., Henderson, L., Neser, S. 2004A proposed classification of invasive alien plant species in South Africa: towards prioritizing species and areas for management actionS. Afr. J. Sci.1005364Google Scholar
  36. Palhinha, R.T., Cunha, A.G., Sobrinho, L.G. 1942Algumas observações ecológicas sobre o Arquipélago AçoreanoBoletim da Sociedade Portuguesa de Ciências Naturais13197205Google Scholar
  37. Parker, I.M., Simberloff, D., Lonsdale, W.M., Goodell, K., Wonham, M., Kareiva, P.M., Williamson, M.H., Holle, V., Moyle, P.B., Byers, J.E., Goldwasser, L. 1999Impact: toward a framework for understanding the ecological effects of invadersBiol. Invasions1319CrossRefGoogle Scholar
  38. Penacho, L., Malveiro, A., Machado, C. 1999

    Controlo da infestante Hedychium gardnerianum Sheppp. Ex Ker-G. Em povoamentos florestais na ilha de São Miguel – Açores

    Rocha, M.E.Esteves, M. eds. Actas do Primeiro EncontroInvasoras Lenhosas, 16–18 de Novembro de 1999, GerêsSociedade Portuguesa de Ciências FlorestaisADERE214218
    Google Scholar
  39. Press, J.R., Short, M.J. 1994Flora of MadeiraThe Natural History MuseumLondon574Google Scholar
  40. Raunkjaer, C. 1936The life-form spectrum of some Atlantic IslandsBotaniske Studier1251270Google Scholar
  41. Rodgers, J.C., Parker, K.C. 2003Distribution of alien plant species in relation to human disturbance on the Georgia Sea IslandsDivers. Distrib.9385398CrossRefGoogle Scholar
  42. Rose, M., Hermanutz, L. 2004Are boreal ecosystems susceptible to alien plant invasion? Evidence from protected areasOecologia139467477PubMedCrossRefGoogle Scholar
  43. Rose, S. 1997aIntegrating management of Pittosporum undulatum with other environmental weeds in Sidney’s urban bushlandPac. Conserv. Biol.3350365Google Scholar
  44. Rose, S. 1997bInfluence of suburban edges on invasion of Pittosporum undulatum into the bushland of northern Sydney, AustraliaAust. J. Ecol.228999Google Scholar
  45. Rose, S., Fairweather, P.G. 1997Changes in floristic composition of urban bushland invaded by Pittosporum undulatum in Northern Sydney, AustraliaAust. J. Bot.45123149CrossRefGoogle Scholar
  46. Santos, G.L., Kageler, D., Gardner, D.E., Cuddihy, L., Stone, C.P. 1992

    Herbicidal control of selected alien plant species in Hawaii Volcanoes National Park

    Stone, C.P.Smith, C.W.Tunison, J.T. eds. Alien Plant Invasions in Native Ecossystems of Hawaii – Management and ResearchUniversity of Hawaii, Cooperative National Park Resources Study UnitHonolulu341375
    Google Scholar
  47. Silva L. 2001. Plantas invasoras no Arquipélago dos Açores: caracterização geral e estudo de um caso – Clethra arborea Aiton. PhD thesis, Universidade dos Açores, Ponta Delgada, 514 pp.Google Scholar
  48. Silva, L., Smith, C.W. 2004A characterization of the non-indigenous flora of the Azores ArchipelagoBiol. Invasions6193204CrossRefGoogle Scholar
  49. Silva, L., Smith, C.W., Tavares, J. 1999

    Essays for the control of Clethra arborea and Pittosporum undulatum

    Rocha, M.E.Esteves, M. eds. Actas do Primeiro EncontroInvasoras Lenhosas, 16–18 de Novembro de 1999, GerêsSociedade Portuguesa de Ciências Florestais ADERE143148
    Google Scholar
  50. Silva, L., Tavares, J., Pena, A. 1996

    Ecological basis for the control of Gunnera tinctoriaMolina. Mirbel, Gunneraceae. in São Miguel Island

    Brown, H. eds. Proceedings Second International Weed Control Congress Copenhagen, Denmark 25–28-June 1996Department of Weed Control and Pesticide EcologyFlakkebjerg233239
    Google Scholar
  51. Silva, L., Tavares, J., Smith, C.W. 2000Biogeography of Azorean plant invadersArquipélago – Life and Marine Sciences Sup. 2 PartA11927Google Scholar
  52. Sjögren, E. 1973aRecent changes in the vascular flora and vegetation of the Azores IslandsMemórias da Sociedade Broteriana221113Google Scholar
  53. Sjögren, E. 1973bVascular plants new to the Azores and to individual islands in the ArchipelagoBoletim do Museu Municipal do Funchal12494120Google Scholar
  54. Tassin, J., Riviere, J.N. 2003Species richness altitudinal gradient of invasive plants on Reunion Island (Mascareigne archipelagoIndian Ocean)Revue D’Ecologie – La Terre et la Vie58257270Google Scholar
  55. Trelease, W. 1897Botanical observations on the AzoresAnnu. Rep. Miss. Bot. Garden877220CrossRefGoogle Scholar
  56. Tutin, T.G., Heywood, V.H., Burges, N.A., Moore, D.M., Valentine, D.H., Walters, S.M., Webb, D.A. 1964/80Flora EuropaeaCambridge University PressCambridgeGoogle Scholar
  57. Valdés, B., Talavera, S., Fernández-Galiano, E. 1987Flora Vascular de Andalucía OccidentalKetres Editora S.ABarcelonaGoogle Scholar
  58. Vasconcelos, T., Forte, P. 1999

    Germination and development of Ailanthus altissimaits implication on control

    Rocha, M.E.Esteves, M. eds. Actas do Primeiro EncontroInvasoras Lenhosas, 16–18 de Novembro de 1999, GerêsSociedade Portuguesa de Ciências FlorestaisADERE222225
    Google Scholar
  59. Williams, P.A., Timmins, S.M. 1990Weeds in New Zealand Protected Natural Areas: A Review for the Department of ConservationDepartment of ConservationWellington114Google Scholar
  60. Zar, J.H. 1996Biostatistical Analysis3Prentice Hall InternationalLondon662Google Scholar

Copyright information

© Springer 2005

Authors and Affiliations

  1. 1.Biology Department, CIRNUniversity of the AzoresPonta DelgadaPortugal
  2. 2.Botany DepartmentUniversity of HawaiiHonolulu

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