Biodiversity inventories, indicator taxa and effects of habitat modification in tropical forest

@article{Lawton1998BiodiversityII,
  title={Biodiversity inventories, indicator taxa and effects of habitat modification in tropical forest},
  author={John H. Lawton and David E. Bignell and Barry. Bolton and G. F. Bloemers and Paul Eggleton and Peter M. Hammond and Michael Hodda and Robert D. Holt and Thomas Bjerre Larsen and N. A. Mawdsley and Nigel E. Stork and Diane S. Srivastava and Allan D. Watt},
  journal={Nature},
  year={1998},
  volume={391},
  pages={72-76}
}
Despite concern about the effects of tropical forest disturbance and clearance on biodiversity,, data on impacts, particularly on invertebrates, remain scarce. Here we report a taxonomically diverse inventory on the impacts of tropical forest modification at one locality. We examined a gradient from near-primary, through old-growth secondary and plantation forests to complete clearance, for eight animal groups (birds, butterflies, flying beetles, canopy beetles, canopy ants, leaf-litter ants… 

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BIODIVERSITY INDICATOR GROUPS OF TROPICAL LAND‐USE SYSTEMS: COMPARING PLANTS, BIRDS, AND INSECTS

Although biodiversity of land-use systems showed taxonomic group- and guild-specific differences, most groups were affected in a similar way by habitat modifi- cation, and land- use systems such as secondary forests and agroforestry systems supported relatively high numbers of species and might play a significant role for biodiversity conservation in tropical landscapes.

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Consistency of effects of tropical‐forest disturbance on species composition and richness relative to use of indicator taxa

  • N. StorkD. Srivastava A. Watt
  • Environmental Science
    Conservation biology : the journal of the Society for Conservation Biology
  • 2017
Contrary to Lawton et al.'s findings, species richness for most groups did not decline with disturbance level, providing support for the view that trends in species richness at local scales do not reflect the resilience of ecosystems to disturbance.

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In recent decades, the extent of primary forest in tropical regions has decreased drastically, with concurrent increases in the extent of tropical secondary forest. This has important implications

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This study is unique in showing that reforestation methods (using a single tree species) can have a marked effect on arthropod species richness and composition, and reveals that ant species richness can be greater in plantations established after partial manual clearance than complete clearance.

Alpha and beta diversity of plants and animals along a tropical land-use gradient.

It is concluded that different taxa can have largely independent patterns of alpha diversity and that patterns of beta diversity can be more congruent, and conservation plans on a landscape scale need to put more emphasis on the high heterogeneity of agroforests and the overarching role ofbeta diversity shaping overall diversity patterns.
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