Restoring Balance: Using Exotic Species to Control Invasive Exotic Species

Article Abstract:

The article supports the judicious use of biological control as a strategy for the management of invasive species in natural habitats. Biological control involves the use of upper-trophic-level species that use the targeted pest as a resource and reduce its densities. Cautions regarding the ratio of host-specific and collateral damages are given to reduce nontarget impacts.

Methods, Comparative analysis, Pests, Control, Biological pest control

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Competition between native Populus deltoides and invasive Tamarix ramosissima and the impliations for reestablishing flooding disturbance

Article Abstract:

Research on floodplain ecology in the southwestern US indicates that the native cottonwood species Populus deltoides is sufficiently dominant to withstand the potential introduction of the invasive species saltcedar, or Tamarix ramosissima. Although both are responsive to natural flooding cycles, Populus was found to have superior competitive ability.

United States, Statistical Data Included, Research, Floodplains, Cedar, Cedars, Cottonwood, Floodplain ecology, Native plants, Plant competition

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Chilean Aquaculture boom is based on exotic salmon resources: a conservation paradox

Article Abstract:

This article discusses the paradoxical situation in Chile in that though the country is benefiting, in economic terms, by introduction and restocking of alien salmon species, such exotic introduction can threaten native biodiversity, ecosystem, animal health, and human economies.

Sweden, Chile, Economic aspects, Protection and preservation, Biological diversity, Biodiversity, Salmon fisheries

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