Allelopathy Essay

  • The Impact Of Biological Invasions On Food Webs

    the soil food web), changes to basal resources will have cascading effects up the food web (Chen & Wise 1999; Scherber et al. 2010). Garlic mustard can reduce mycorrhizal fungal abundances (both ecto- and arbuscular) via allelopathy, which is an important resource for springtails and fungivorous mites (Chen et al. 1996). Arthropod predators such as spiders, centipedes, and predatory mites can all consume fungivores for prey in the soil food web (Chen & Wise 1999; Koehler 1999). Therefore I predict: (1) garlic mustard invasion will have a negative effect on soil fungivore and predator densities, with the response being more evident for fungivores. (2) The negative impacts of garlic mustard on fungivores and their predators are the result of negative indirect effects induced by reduction in soil…

    Words: 753 - Pages: 4
  • Mangrove Snail Essay

    population estimation strategies Identify factors determining the distribution of species whose abundance has been estimated Examine trends in population estimates for some plant and animal species in each environment Examine trends in population estimates for some plant and animal species within an ecosystem Justify the use of different sampling techniques to make population estimates when total counts cannot be performed Identify some adaptations…

    Words: 1019 - Pages: 5
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