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Title of Journal: Biol Invasions

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Abbravation: Biological Invasions

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Springer Netherlands

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1573-1464

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Nonnative grass invasion alters native plant comp

Authors: S Luke Flory Keith Clay
Publish Date: 2009/07/31
Volume: 12, Issue: 5, Pages: 1285-1294
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Abstract

Invasions of nonnative species are considered to have significant impacts on native species but few studies have quantified the direct effects of invasions on native community structure and composition Many studies on the effects of invasions fail to distinguish between 1 differential responses of native and nonnative species to environmental conditions and 2 direct impacts of invasions on native communities In particular invasions may alter community assembly following disturbance and prevent recolonization of native species To determine if invasions directly impact native communities we established 32 experimental plots 275 m2 and seeded them with 12 native species Then we added seed of a nonnative invasive grass Microstegium vimineum to half of the plots and compared native plant community responses between control and invaded plots Invasion reduced native biomass by 46 64 and 58 respectively over three growing seasons After the second year of the experiment invaded plots had 43 lower species richness and 38 lower diversity as calculated from the Shannon index Nonmetric multidimensional scaling ordination showed a significant divergence in composition between invaded and control plots Further there was a strong negative relationship between invader and native plant biomass signifying that native plants are more strongly suppressed in densely invaded areas Our results show that a nonnative invasive plant inhibits native species establishment and growth following disturbance and that native species do not gain competitive dominance after multiple growing seasons Thus plant invaders can alter the structure of native plant communities and reduce the success of restoration effortsWe thank the many undergraduate students who assisted with this project and those who reviewed earlier drafts of this manuscript This project was financially supported by The Nature Conservancy a partnership between Indiana University and the USDA Forest Service Hoosier National Forest and the Joint Fire Science Program

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Other Papers In This Journal:
  1. Timing and extent of tissue removal affect reproduction characteristics of an invasive species Heracleum mantegazzianum
  2. Improving and integrating data on invasive species collected by citizen scientists
  3. Molecular and morphological insights into the origin of the invasive greater white-toothed shrew ( Crocidura russula ) in Ireland
  4. Feral cat eradication in the presence of endemic San Nicolas Island foxes
  5. First larval record of Pterois volitans (Pisces: Scorpaenidae) collected from the ichthyoplankton in the Atlantic
  6. Evolution of enhanced reproduction in the hybrid-derived invasive, California wild radish ( Raphanus sativus )
  7. Tracking the expansion of the American mink ( Neovison vison) range in NW Portugal
  8. Interactions between invasive and native crustaceans: differential functional responses of intraguild predators towards juvenile hetero-specifics
  9. The invasive Australian redback spider, Latrodectus hasseltii Thorell 1870 (Araneae: Theridiidae): current and potential distributions, and likely impacts
  10. Aggressive interactions between two invasive species: the round goby ( Neogobius melanostomus ) and the spinycheek crayfish ( Orconectes limosus )
  11. Soil type, microsite, and herbivory influence growth and survival of Schinus molle (Peruvian pepper tree) invading semi-arid African savanna
  12. Geographic range and structure of cryptic genetic diversity among Pacific North American populations of the non-native amphipod Grandidierella japonica
  13. Non-linear effects of invasive lionfish density on native coral-reef fish communities
  14. A predatory land snail invades central-western Argentina
  15. Use of niche models in invasive species risk assessments
  16. Invaded range of the blackberry pathogen Phragmidium violaceum in the Pacific Northwest of the USA and the search for its provenance
  17. Invasion of the African sharp-tooth catfish Clarias gariepinus (Burchell, 1822) in South China
  18. Invader population speeds up life history during colonization
  19. The apparent demise of the Asian date mussel Musculista senhousia in Western Australia: or using acts of god as an eradication tool
  20. Alien plant invasions in tropical and sub-tropical savannas: patterns, processes and prospects
  21. Last Chance to Know? Using Literature to Explore the Biogeography and Invasion Biology of the Death Cap Mushroom Amanita phalloides (Vaill. ex Fr. :Fr.) Link
  22. Tidal and seasonal effects on survival rates of the endangered California clapper rail: does invasive Spartina facilitate greater survival in a dynamic environment?
  23. Phenotypic plasticity of reproductive traits in response to food availability in invasive and native species of nematode
  24. Non-native grass invasion alters native plant composition in experimental communities
  25. Trading in snails: plant nurseries as transport hubs for non-native species
  26. Ant community structure on a small Pacific island: only one native species living with the invaders
  27. Priority invasive alien plants in the Tuscan Archipelago (Italy): comparing the EPPO prioritization scheme with the Australian WRA
  28. Disturbance-mediated competition: the interacting roles of inundation regime and mechanical and herbicidal control in determining native and invasive plant abundance
  29. Native Cuscuta campestris restrains exotic Mikania micrantha and enhances soil resources beneficial to natives in the invaded communities
  30. Systematic culling controls a climate driven, habitat modifying invader
  31. Risk assessment of the crayfish pet trade based on data from the Czech Republic
  32. Distinct invasion sources of common ragweed (Ambrosia artemisiifolia) in Eastern and Western Europe
  33. Evaluating hybridization as a potential facilitator of successful cogongrass ( Imperata cylindrica ) invasion in Florida, USA
  34. The presence of the invasive plant Solanum elaeagnifolium deters honeybees and increases pollen limitation in the native co-flowering species Glaucium flavum
  35. Straddling the divide: invasive aquatic species in Illinois and movement between the Great Lakes and Mississippi basins
  36. Evidence for ongoing introduction of non-native earthworms in the Washington, DC metropolitan area
  37. Flooding compromises compensatory capacity of an invasive plant: implications for biological control
  38. Saving camels from straws: how propagule pressure-based prevention policies can reduce the risk of biological invasion
  39. Herbert H. T. Prins and Iain J. Gordon (eds.): Invasion biology and ecological theory. Insights from a continent in transformation
  40. Effects of warming and nitrogen on above- and below-ground herbivory of an exotic invasive plant and its native congener
  41. Effects of invasive seaweeds on feeding preference and performance of a keystone Mediterranean herbivore
  42. The Indian brown mongoose, yet another invader in Fiji
  43. Invasive earthworms as seed predators of temperate forest plants
  44. Challenges and trade-offs in the management of invasive alien trees
  45. Invasion of an indigenous Perna perna mussel bed on the south coast of South Africa by an alien mussel Mytilus galloprovincialis and its effect on the associated fauna
  46. Recovery of native forest after removal of an invasive tree, Falcataria moluccana, in American Samoa
  47. Light interception principally drives the understory response to boxelder invasion in riparian forests
  48. Eradications as reverse invasions: lessons from Pacific rat ( Rattus exulans ) removals on New Zealand islands
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