Abstract
Human impacts are causing an unprecedented change of biodiversity across scales. To quantify the nature and degree of the biodiversity change, there have been a number of meta-analysis studies investigating the effects of global change drivers (land use, climate, etc.). However, these studies include few primary literature studies of soil biodiversity. Soil biodiversity is important for a variety of ecosystem services that are critical for human wellbeing. Yet, we know little about how soil organisms may respond to changing environmental conditions. Although studies have investigated the impact of global change drivers on soil biodiversity, they lack sufficient depth in the number of drivers and/or taxa included. Additionally, the previous focus on aboveground organisms has also resulted in a bias towards certain global change drivers in the primary literature. For example, climate change and land use change are more often studied, whilst pollution is typically understudied as a global change driver. Building on previous studies, we will conduct a meta-analysis to compare the effects of global change drivers (land use, habitat fragmentation/loss, fire, climate change, invasive species, pollution, and nutrient enrichment) on soil fauna (micro- to macro-invertebrates). This project aims to fill the current gaps in the literature, and actively participate in incorporating soil biodiversity into future global biodiversity assessments, by creating the first global open-acess dataset on the impacts of multiple global change drivers on soil fauna.
Highlights
Human impacts are causing an unprecedented change of biodiversity, at global and local scales
Soil biodiversity is exceptionally important for a variety of ecosystem services that are critical for human wellbeing (Wall et al 2015, Bardgett and van der Putten 2014)
Organisms in soil span a huge gradient of body size (Veresoglou et al 2015), which is linked to their microhabitat requirements, dispersal capabilities and reproductive rates, all of which will influence their response to global change drivers similar to that seen in aboveground organisms (Brook et al 2008)
Summary
Human impacts are causing an unprecedented change of biodiversity, at global and local scales. To quantify the nature and degree of the biodiversity change, there have been a number of meta-analysis studies investigating the effects of global change drivers, e.g., land use, climate and pollution (e.g., Murphy and Romanuk 2013, Mantyka-pringle et al 2011) These studies include few primary literature studies of soil biodiversity. We will conduct a meta-analysis to compare the effects of global change drivers (land use change and intensification, habitat fragmentation/loss, climate change, invasive species, pollution, and nutrient enrichment) on soil fauna (microto macro-invertebrates). We hypothesize that among the different global change drivers, invasive species and land use intensification will have larger impacts on soil biodiversity compared to others e.g. pollution and climate change. Nutrient enrichment could be grouped with pollution, CO2 increase with climate change
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