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Mind Map Sodhi et al, 2010a - Coggle Diagram
Mind Map Sodhi et al, 2010a
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Bird
The biggest estimated threat towards forest bird species is deforestation, logging and forest fragmentation.
Researchers predict that 16%-32% of Southeast Asian forest bird species will become extinct by 2100.
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The speed of bird communities to recover in logged forest after several decades depends on their sensitivity.
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Thus, maintenance of tall forest trees and protection of forest fragments are essential to sustain forest bird communities.
Understorey insectivores, terrestrial insectivores, large canopy frugivores and/or bark foragers are disproportionately affected both by logging and forest fragmentation.
Agriculture
Conversion of forests to oil palm is resulting reduction in shade tree cover from 80% to 40% in agroforestry.
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Conversion of forest to oil palm effect hugely on:
- Species diversity
- Species richness
- Faunal composition
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Decrease in plant biomass, carbon storage, decomposition rates, soil arthropod abundance.
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Reptiles & Amphibians
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Resilience of forest herpetofauna to habitat disturbance seems to be lower in amphibians than reptiles and depends on sufficient pristine habitat remaining in the area
Invertebrates
a dominant component of tropical diversity in terms of richness, abundance and biomass
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respond quickly in terms of population declines to habitat changes caused by their short generation times and rapid growth rates
sensitive to habitat changes, such as changes in light regimes, microclimates, dead wood availability and soil compaction
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Logging
selective logging can lead to significant increase in Lepidoptera species richness and diversity over small spatial scales
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logged forest becomes increasingly dominated numerically by opportunist species with increasing spatial scale
Selective logging also had little effect on diversity of dung beetle assemblages 6 years after logging.
The small-scale species richness for dung beetles in logged forest was generally higher than in individual transects from primary forest due to the presence of composite assemblages.
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considers persistence of different invertebrates taxa in different anthropogenically modified landscapes, focusing on selective logging, forest fragmentation and agricultural landscapes such as oil palm plantations
Research Needs
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Study about data on habitat use, dispersal and population viability
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