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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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DOI

10.1016/0022-4898(67)90171-1

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ISSN

1573-1464

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Soil type microsite and herbivory influence grow

Authors: Donald M Iponga Suzanne J Milton David M Richardson
Publish Date: 2008/02/29
Volume: 11, Issue: 2, Pages: 159-169
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Abstract

Naturalization of Schinus molle Anacardiaceae has been observed in semi arid savanna of the Northern Cape Province of South Africa However with high dispersal ability the species is expected to achieve greater densities and invade more widely The study involved a field manipulation experiment over 14 months using a factorial block design to examine transplanted seedlings in different savanna environments The experiments examine the effects of soil type sandy and clay microsite and herbivores on seedling performance establishment growth and survival Seedlings were grown in a greenhouse and individually transplanted into four treatment groups in open grassland under tree canopies and with and without cages to exclude large herbivores cattle and game The same experiment was repeated in two different soil types coarse sand and finetextured clay soil Results suggest that protection provided by canopies of large indigenous Acacia trees facilitates S molle invasion into semiarid savanna In the field S molle seedlings performed considerably better beneath canopies of indigenous Acacia trees than in open areas regardless of soil type Whether exposed or protected from large herbivores no seedlings planted in open grassland survived the first winter Although seedlings grew better and had higher survival rates beneath tree canopies than in the open sites exposure to large herbivores significantly decreased heights and canopy areas of seedlings compared with those protected from large herbivores The effect was greater on clay soil than on sandy soil The results suggest that low temperature frost and possibly interspecific competition with grasses may limit S molle seedling establishment survival and growth away from tree canopies in semi arid savannas Low soil nutrient status and browsing may also delay growth and development of this species The invasive potential of S molle is thus greatest on fertile soils where subcanopy microsites are present and browsing mammals are absent

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  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. Geographic range and structure of cryptic genetic diversity among Pacific North American populations of the non-native amphipod Grandidierella japonica
  12. Non-linear effects of invasive lionfish density on native coral-reef fish communities
  13. A predatory land snail invades central-western Argentina
  14. Use of niche models in invasive species risk assessments
  15. Invaded range of the blackberry pathogen Phragmidium violaceum in the Pacific Northwest of the USA and the search for its provenance
  16. Invasion of the African sharp-tooth catfish Clarias gariepinus (Burchell, 1822) in South China
  17. Invader population speeds up life history during colonization
  18. The apparent demise of the Asian date mussel Musculista senhousia in Western Australia: or using acts of god as an eradication tool
  19. Alien plant invasions in tropical and sub-tropical savannas: patterns, processes and prospects
  20. 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
  21. Tidal and seasonal effects on survival rates of the endangered California clapper rail: does invasive Spartina facilitate greater survival in a dynamic environment?
  22. Phenotypic plasticity of reproductive traits in response to food availability in invasive and native species of nematode
  23. Non-native grass invasion alters native plant composition in experimental communities
  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
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  39. Herbert H. T. Prins and Iain J. Gordon (eds.): Invasion biology and ecological theory. Insights from a continent in transformation
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  42. The Indian brown mongoose, yet another invader in Fiji
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  48. Eradications as reverse invasions: lessons from Pacific rat ( Rattus exulans ) removals on New Zealand islands
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